Merge "Do not return null in getSlice()"
diff --git a/Android.mk b/Android.mk
index 04749bf..7eb9b6a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -30,6 +30,8 @@
     androidx.preference_preference \
     androidx.recyclerview_recyclerview \
     com.google.android.material_material \
+    setupcompat \
+    setupdesign
 
 LOCAL_JAVA_LIBRARIES := \
     telephony-common \
@@ -53,7 +55,6 @@
     LOCAL_JACK_FLAGS := --multi-dex native
 endif
 
-include frameworks/opt/setupwizard/library/common-gingerbread.mk
 include frameworks/base/packages/SettingsLib/common.mk
 include frameworks/base/packages/SettingsLib/search/common.mk
 
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 7807f0e..caca444 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -3054,6 +3054,14 @@
             </intent-filter>
         </activity>
 
+        <activity
+            android:name=".wifi.dpp.WifiDppEnrolleeActivity">
+            <intent-filter>
+                <action android:name="android.settings.WIFI_DPP_ENROLLEE_QR_CODE_SCANNER"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
+        </activity>
+
         <activity android:name=".homepage.contextualcards.ContextualCardFeedbackDialog"
                   android:theme="@android:style/Theme.DeviceDefault.Light.Dialog.Alert" />
         <!-- This is the longest AndroidManifest.xml ever. -->
diff --git a/res/layout-land/choose_lock_pattern.xml b/res/layout-land/choose_lock_pattern.xml
index 4d6f798..25230cb 100644
--- a/res/layout-land/choose_lock_pattern.xml
+++ b/res/layout-land/choose_lock_pattern.xml
@@ -15,7 +15,7 @@
     limitations under the License.
 -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
@@ -164,7 +164,7 @@
         </LinearLayout>
 
         <!-- right side: lock pattern -->
-        <com.android.setupwizardlib.view.FillContentLayout
+        <com.google.android.setupdesign.view.FillContentLayout
             style="@style/LockPatternContainerStyle"
             android:layout_width="0dp"
             android:layout_height="match_parent"
@@ -177,8 +177,8 @@
                 android:layout_gravity="center"
                 android:background="@color/lock_pattern_background" />
 
-        </com.android.setupwizardlib.view.FillContentLayout>
+        </com.google.android.setupdesign.view.FillContentLayout>
 
     </com.android.internal.widget.LinearLayoutWithDefaultTouchRecepient>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout-land/confirm_lock_pattern_normal.xml b/res/layout-land/confirm_lock_pattern_normal.xml
index 158d343..23e5d66 100644
--- a/res/layout-land/confirm_lock_pattern_normal.xml
+++ b/res/layout-land/confirm_lock_pattern_normal.xml
@@ -13,7 +13,7 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
@@ -89,7 +89,7 @@
 
         </ScrollView>
 
-        <com.android.setupwizardlib.view.FillContentLayout
+        <com.google.android.setupdesign.view.FillContentLayout
             style="@style/LockPatternContainerStyle"
             android:layout_width="0dp"
             android:layout_height="match_parent"
@@ -102,7 +102,7 @@
                 android:layout_gravity="center"
                 android:background="@color/lock_pattern_background" />
 
-        </com.android.setupwizardlib.view.FillContentLayout>
+        </com.google.android.setupdesign.view.FillContentLayout>
 
     </com.android.internal.widget.LinearLayoutWithDefaultTouchRecepient>
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout-land/fingerprint_enroll_enrolling.xml b/res/layout-land/fingerprint_enroll_enrolling.xml
index 8b902f1..eb32602 100644
--- a/res/layout-land/fingerprint_enroll_enrolling.xml
+++ b/res/layout-land/fingerprint_enroll_enrolling.xml
@@ -15,7 +15,7 @@
   ~ limitations under the License
   -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
@@ -108,7 +108,7 @@
                 android:gravity="center"
                 android:orientation="vertical">
 
-                <com.android.setupwizardlib.view.FillContentLayout
+                <com.google.android.setupdesign.view.FillContentLayout
                     android:layout_width="wrap_content"
                     android:layout_height="0dp"
                     android:layout_marginVertical="24dp"
@@ -120,7 +120,7 @@
                          android:layout_width="match_parent"
                          android:layout_height="match_parent"
                          android:layout_gravity="center" />
-                </com.android.setupwizardlib.view.FillContentLayout>
+                </com.google.android.setupdesign.view.FillContentLayout>
 
                 <TextView
                     style="@style/TextAppearance.FingerprintErrorText"
@@ -139,4 +139,4 @@
 
         </LinearLayout>
     </ScrollView>
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout-land/fingerprint_enroll_find_sensor.xml b/res/layout-land/fingerprint_enroll_find_sensor.xml
index 8712ad7..e6a2e66 100644
--- a/res/layout-land/fingerprint_enroll_find_sensor.xml
+++ b/res/layout-land/fingerprint_enroll_find_sensor.xml
@@ -15,7 +15,7 @@
   ~ limitations under the License
   -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
@@ -112,4 +112,4 @@
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout-land/fingerprint_enroll_finish.xml b/res/layout-land/fingerprint_enroll_finish.xml
index 04ed540..1187c20 100644
--- a/res/layout-land/fingerprint_enroll_finish.xml
+++ b/res/layout-land/fingerprint_enroll_finish.xml
@@ -15,7 +15,7 @@
   ~ limitations under the License
   -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
@@ -75,7 +75,7 @@
                     android:layout_height="0dp"
                     android:layout_weight="1" />
 
-                <com.android.setupwizardlib.view.ButtonBarLayout
+                <com.google.android.setupdesign.view.ButtonBarLayout
                     style="@style/SuwGlifButtonBar.Stackable"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
@@ -103,11 +103,11 @@
                         android:layout_height="wrap_content"
                         android:text="@string/security_settings_fingerprint_enroll_done" />
 
-                </com.android.setupwizardlib.view.ButtonBarLayout>
+                </com.google.android.setupdesign.view.ButtonBarLayout>
 
             </LinearLayout>
 
-            <com.android.setupwizardlib.view.FillContentLayout
+            <com.google.android.setupdesign.view.FillContentLayout
                 android:layout_width="0dp"
                 android:layout_weight="1"
                 android:layout_height="match_parent">
@@ -120,8 +120,8 @@
                     android:contentDescription="@android:string/fingerprint_icon_content_description"
                     android:src="@drawable/fingerprint_enroll_finish" />
 
-            </com.android.setupwizardlib.view.FillContentLayout>
+            </com.google.android.setupdesign.view.FillContentLayout>
 
         </LinearLayout>
     </ScrollView>
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/choose_lock_password.xml b/res/layout/choose_lock_password.xml
index cea3e12..1962ee0 100644
--- a/res/layout/choose_lock_password.xml
+++ b/res/layout/choose_lock_password.xml
@@ -14,14 +14,14 @@
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:icon="@drawable/ic_lock"
     android:importantForAutofill="noExcludeDescendants"
-    settings:suwFooter="@layout/choose_lock_password_footer"
+    settings:sucFooter="@layout/choose_lock_password_footer"
     settings:suwHeaderText="@string/lockpassword_choose_your_screen_lock_header">
 
     <LinearLayout
@@ -79,4 +79,4 @@
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/choose_lock_pattern_common.xml b/res/layout/choose_lock_pattern_common.xml
index 77dd12d..df7fd8c 100644
--- a/res/layout/choose_lock_pattern_common.xml
+++ b/res/layout/choose_lock_pattern_common.xml
@@ -16,14 +16,14 @@
 -->
 
 <!-- Used in phone portrait and tablet, as referenced in alias.xml. -->
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:icon="@drawable/ic_lock"
     android:layout="@layout/suw_glif_blank_template"
-    settings:suwFooter="@layout/choose_lock_pattern_common_footer"
+    settings:sucFooter="@layout/choose_lock_pattern_common_footer"
     settings:suwHeaderText="@string/lockpassword_choose_your_screen_lock_header">
 
     <com.android.internal.widget.LinearLayoutWithDefaultTouchRecepient
@@ -85,7 +85,7 @@
                 android:paddingHorizontal="?attr/suwMarginSides"
                 android:textSize="12sp" />
 
-            <com.android.setupwizardlib.view.FillContentLayout
+            <com.google.android.setupdesign.view.FillContentLayout
                 style="@style/LockPatternContainerStyle"
                 android:layout_width="wrap_content"
                 android:layout_height="0dp"
@@ -97,7 +97,7 @@
                     android:layout_height="match_parent"
                     android:layout_gravity="center" />
 
-            </com.android.setupwizardlib.view.FillContentLayout>
+            </com.google.android.setupdesign.view.FillContentLayout>
 
         </LinearLayout>
 
@@ -119,4 +119,4 @@
 
     </com.android.internal.widget.LinearLayoutWithDefaultTouchRecepient>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/choose_lock_pattern_common_footer.xml b/res/layout/choose_lock_pattern_common_footer.xml
index deea8f0..b0397ea 100644
--- a/res/layout/choose_lock_pattern_common_footer.xml
+++ b/res/layout/choose_lock_pattern_common_footer.xml
@@ -16,7 +16,7 @@
 -->
 
 <!-- TODO: Use aapt:attr when it is fixed (b/36809755) -->
-<com.android.setupwizardlib.view.ButtonBarLayout
+<com.google.android.setupdesign.view.ButtonBarLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     style="@style/SuwGlifButtonBar.Stackable"
     android:layout_width="match_parent"
@@ -49,4 +49,4 @@
         android:layout_height="wrap_content"
         android:text="@string/lockpattern_tutorial_continue_label" />
 
-</com.android.setupwizardlib.view.ButtonBarLayout>
+</com.google.android.setupdesign.view.ButtonBarLayout>
diff --git a/res/layout/confirm_lock_password_normal.xml b/res/layout/confirm_lock_password_normal.xml
index 0b516ca..4b92a4a 100644
--- a/res/layout/confirm_lock_password_normal.xml
+++ b/res/layout/confirm_lock_password_normal.xml
@@ -13,7 +13,7 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
@@ -82,4 +82,4 @@
             android:text="@string/cancel" />
 
     </com.android.internal.widget.LinearLayoutWithDefaultTouchRecepient>
-</com.android.setupwizardlib.GlifLayout>
\ No newline at end of file
+</com.google.android.setupdesign.GlifLayout>
\ No newline at end of file
diff --git a/res/layout/confirm_lock_pattern_normal_base.xml b/res/layout/confirm_lock_pattern_normal_base.xml
index bfabf99..14798df 100644
--- a/res/layout/confirm_lock_pattern_normal_base.xml
+++ b/res/layout/confirm_lock_pattern_normal_base.xml
@@ -13,7 +13,7 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
@@ -65,7 +65,7 @@
             android:paddingLeft="0dp"
             android:paddingRight="0dp">
 
-            <com.android.setupwizardlib.view.FillContentLayout
+            <com.google.android.setupdesign.view.FillContentLayout
                 style="@style/LockPatternContainerStyle"
                 android:layout_width="wrap_content"
                 android:layout_height="0dp"
@@ -77,7 +77,7 @@
                     android:layout_height="match_parent"
                     android:layout_gravity="center" />
 
-            </com.android.setupwizardlib.view.FillContentLayout>
+            </com.google.android.setupdesign.view.FillContentLayout>
 
             <TextView
                 style="@style/TextAppearance.ConfirmDeviceCredentialsErrorText"
@@ -104,4 +104,4 @@
 
     </com.android.internal.widget.LinearLayoutWithDefaultTouchRecepient>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/encryption_interstitial.xml b/res/layout/encryption_interstitial.xml
index f827e37..ff56a7c 100644
--- a/res/layout/encryption_interstitial.xml
+++ b/res/layout/encryption_interstitial.xml
@@ -15,13 +15,13 @@
     limitations under the License.
 -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:icon="@drawable/ic_lock"
-    app:suwFooter="@layout/encryption_interstitial_footer">
+    app:sucFooter="@layout/encryption_interstitial_footer">
 
     <LinearLayout
         style="@style/SuwContentFrame"
@@ -39,4 +39,4 @@
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/face_enroll_enrolling.xml b/res/layout/face_enroll_enrolling.xml
index 2208cc2..e596ff9 100644
--- a/res/layout/face_enroll_enrolling.xml
+++ b/res/layout/face_enroll_enrolling.xml
@@ -15,14 +15,14 @@
   ~ limitations under the License.
   -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     style="?attr/face_layout_theme"
-    app:suwFooter="@layout/face_enroll_enrolling_footer">
+    app:sucFooter="@layout/face_enroll_enrolling_footer">
 
     <LinearLayout
         style="@style/SuwContentFrame"
@@ -71,4 +71,4 @@
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
\ No newline at end of file
+</com.google.android.setupdesign.GlifLayout>
\ No newline at end of file
diff --git a/res/layout/face_enroll_finish.xml b/res/layout/face_enroll_finish.xml
index 9966497..6b3e6ab 100644
--- a/res/layout/face_enroll_finish.xml
+++ b/res/layout/face_enroll_finish.xml
@@ -15,14 +15,14 @@
   ~ limitations under the License
   -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/setup_wizard_layout"
     style="?attr/face_layout_theme"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:suwFooter="@layout/face_enroll_finish_footer">
+    app:sucFooter="@layout/face_enroll_finish_footer">
 
     <LinearLayout
         style="@style/SuwContentFrame"
@@ -39,7 +39,7 @@
             android:gravity="center"
             android:orientation="vertical">
 
-            <com.android.setupwizardlib.view.FillContentLayout
+            <com.google.android.setupdesign.view.FillContentLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_weight="1">
@@ -51,10 +51,10 @@
                     android:contentDescription="@null"
                     android:src="@drawable/face_enroll_introduction" />
 
-            </com.android.setupwizardlib.view.FillContentLayout>
+            </com.google.android.setupdesign.view.FillContentLayout>
 
         </LinearLayout>
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/face_enroll_finish_footer.xml b/res/layout/face_enroll_finish_footer.xml
index 06d2639..b33cde7 100644
--- a/res/layout/face_enroll_finish_footer.xml
+++ b/res/layout/face_enroll_finish_footer.xml
@@ -16,7 +16,7 @@
   -->
 
 <!-- TODO: Use aapt:attr when it is fixed (b/36809755) -->
-<com.android.setupwizardlib.view.ButtonBarLayout
+<com.google.android.setupdesign.view.ButtonBarLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     style="@style/SuwGlifButtonBar.Stackable"
     android:layout_width="match_parent"
@@ -34,4 +34,4 @@
         android:layout_height="wrap_content"
         android:text="@string/security_settings_face_enroll_done" />
 
-</com.android.setupwizardlib.view.ButtonBarLayout>
+</com.google.android.setupdesign.view.ButtonBarLayout>
diff --git a/res/layout/face_enroll_introduction.xml b/res/layout/face_enroll_introduction.xml
index a56bca5..7a5c172 100644
--- a/res/layout/face_enroll_introduction.xml
+++ b/res/layout/face_enroll_introduction.xml
@@ -15,14 +15,14 @@
   ~ limitations under the License
   -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     style="?attr/face_layout_theme"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:suwFooter="@layout/face_enroll_introduction_footer">
+    app:sucFooter="@layout/face_enroll_introduction_footer">
 
     <LinearLayout
         style="@style/SuwContentFrame"
@@ -32,20 +32,20 @@
         android:clipToPadding="false"
         android:orientation="vertical">
 
-        <com.android.setupwizardlib.view.RichTextView
+        <com.google.android.setupdesign.view.RichTextView
             android:id="@+id/description_text"
             style="@style/SuwDescription.Glif"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:text="@string/security_settings_face_enroll_introduction_message" />
 
-        <com.android.setupwizardlib.view.RichTextView
+        <com.google.android.setupdesign.view.RichTextView
             android:id="@+id/error_text"
             style="@style/SuwDescription.Glif"
             android:layout_width="match_parent"
             android:layout_height="wrap_content" />
 
-        <com.android.setupwizardlib.view.FillContentLayout
+        <com.google.android.setupdesign.view.FillContentLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_weight="1">
@@ -57,8 +57,8 @@
                 android:contentDescription="@null"
                 android:src="@drawable/face_enroll_introduction" />
 
-        </com.android.setupwizardlib.view.FillContentLayout>
+        </com.google.android.setupdesign.view.FillContentLayout>
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/face_enroll_introduction_footer.xml b/res/layout/face_enroll_introduction_footer.xml
index 0fcc13b..d73a8ed 100644
--- a/res/layout/face_enroll_introduction_footer.xml
+++ b/res/layout/face_enroll_introduction_footer.xml
@@ -16,7 +16,7 @@
   -->
 
 <!-- TODO: Use aapt:attr when it is fixed (b/36809755) -->
-<com.android.setupwizardlib.view.ButtonBarLayout
+<com.google.android.setupdesign.view.ButtonBarLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     style="@style/SuwGlifButtonBar.Stackable"
     android:layout_width="match_parent"
@@ -41,4 +41,4 @@
         android:layout_height="wrap_content"
         android:text="@string/suw_next_button_label" />
 
-</com.android.setupwizardlib.view.ButtonBarLayout>
+</com.google.android.setupdesign.view.ButtonBarLayout>
diff --git a/res/layout/fingerprint_enroll_enrolling_base.xml b/res/layout/fingerprint_enroll_enrolling_base.xml
index 00a452c..5a2b60f 100644
--- a/res/layout/fingerprint_enroll_enrolling_base.xml
+++ b/res/layout/fingerprint_enroll_enrolling_base.xml
@@ -15,14 +15,14 @@
   ~ limitations under the License
   -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     style="?attr/fingerprint_layout_theme"
-    app:suwFooter="@layout/fingerprint_enroll_enrolling_base_footer">
+    app:sucFooter="@layout/fingerprint_enroll_enrolling_base_footer">
 
     <LinearLayout
         style="@style/SuwContentFrame"
@@ -64,7 +64,7 @@
             android:gravity="center"
             android:orientation="vertical">
 
-            <com.android.setupwizardlib.view.FillContentLayout
+            <com.google.android.setupdesign.view.FillContentLayout
                 android:layout_width="@dimen/fingerprint_progress_bar_max_size"
                 android:layout_height="@dimen/fingerprint_progress_bar_max_size"
                 android:paddingTop="0dp"
@@ -75,7 +75,7 @@
                     android:layout_width="match_parent"
                     android:layout_height="match_parent"
                     android:layout_gravity="center" />
-            </com.android.setupwizardlib.view.FillContentLayout>
+            </com.google.android.setupdesign.view.FillContentLayout>
 
             <TextView
                 style="@style/TextAppearance.FingerprintErrorText"
@@ -91,4 +91,4 @@
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/fingerprint_enroll_find_sensor_base.xml b/res/layout/fingerprint_enroll_find_sensor_base.xml
index ea518a7..18941a2 100644
--- a/res/layout/fingerprint_enroll_find_sensor_base.xml
+++ b/res/layout/fingerprint_enroll_find_sensor_base.xml
@@ -15,14 +15,14 @@
   ~ limitations under the License
   -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/setup_wizard_layout"
     style="?attr/fingerprint_layout_theme"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:suwFooter="@layout/fingerprint_enroll_find_sensor_base_footer">
+    app:sucFooter="@layout/fingerprint_enroll_find_sensor_base_footer">
 
     <LinearLayout
         android:layout_width="match_parent"
@@ -59,4 +59,4 @@
             android:layout_gravity="center_horizontal"/>
 
     </LinearLayout>
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/fingerprint_enroll_finish_base.xml b/res/layout/fingerprint_enroll_finish_base.xml
index 819bf4e..5224dab 100644
--- a/res/layout/fingerprint_enroll_finish_base.xml
+++ b/res/layout/fingerprint_enroll_finish_base.xml
@@ -15,14 +15,14 @@
   ~ limitations under the License
   -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/setup_wizard_layout"
     style="?attr/fingerprint_layout_theme"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:suwFooter="@layout/fingerprint_enroll_finish_base_footer">
+    app:sucFooter="@layout/fingerprint_enroll_finish_base_footer">
 
     <LinearLayout
         style="@style/SuwContentFrame"
@@ -48,7 +48,7 @@
             android:gravity="center"
             android:orientation="vertical">
 
-            <com.android.setupwizardlib.view.FillContentLayout
+            <com.google.android.setupdesign.view.FillContentLayout
                 android:layout_width="@dimen/fingerprint_progress_bar_max_size"
                 android:layout_height="@dimen/fingerprint_progress_bar_max_size"
                 android:layout_marginVertical="24dp"
@@ -64,7 +64,7 @@
                     android:padding="7dp"
                     android:contentDescription="@android:string/fingerprint_icon_content_description"
                     android:src="@drawable/fingerprint_enroll_finish" />
-            </com.android.setupwizardlib.view.FillContentLayout>
+            </com.google.android.setupdesign.view.FillContentLayout>
 
             <!-- Added to align elements with fingerprint_enroll_enrolling_base -->
             <TextView
@@ -78,4 +78,4 @@
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/fingerprint_enroll_finish_base_footer.xml b/res/layout/fingerprint_enroll_finish_base_footer.xml
index 4c257fa..91164bd 100644
--- a/res/layout/fingerprint_enroll_finish_base_footer.xml
+++ b/res/layout/fingerprint_enroll_finish_base_footer.xml
@@ -16,7 +16,7 @@
 -->
 
 <!-- TODO: Use aapt:attr when it is fixed (b/36809755) -->
-<com.android.setupwizardlib.view.ButtonBarLayout
+<com.google.android.setupdesign.view.ButtonBarLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     style="@style/SuwGlifButtonBar.Stackable"
     android:layout_width="match_parent"
@@ -41,4 +41,4 @@
         android:layout_height="wrap_content"
         android:text="@string/security_settings_fingerprint_enroll_done" />
 
-</com.android.setupwizardlib.view.ButtonBarLayout>
+</com.google.android.setupdesign.view.ButtonBarLayout>
diff --git a/res/layout/fingerprint_enroll_introduction.xml b/res/layout/fingerprint_enroll_introduction.xml
index 4228f42..701d94a 100644
--- a/res/layout/fingerprint_enroll_introduction.xml
+++ b/res/layout/fingerprint_enroll_introduction.xml
@@ -15,14 +15,14 @@
     limitations under the License
 -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     style="?attr/fingerprint_layout_theme"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:suwFooter="@layout/fingerprint_enroll_introduction_footer">
+    app:sucFooter="@layout/fingerprint_enroll_introduction_footer">
 
     <LinearLayout
         style="@style/SuwContentFrame"
@@ -32,20 +32,20 @@
         android:clipToPadding="false"
         android:orientation="vertical">
 
-        <com.android.setupwizardlib.view.RichTextView
+        <com.google.android.setupdesign.view.RichTextView
             android:id="@+id/description_text"
             style="@style/SuwDescription.Glif"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:text="@string/security_settings_fingerprint_enroll_introduction_message" />
 
-        <com.android.setupwizardlib.view.RichTextView
+        <com.google.android.setupdesign.view.RichTextView
             android:id="@+id/error_text"
             style="@style/SuwDescription.Glif"
             android:layout_width="match_parent"
             android:layout_height="wrap_content" />
 
-        <com.android.setupwizardlib.view.FillContentLayout
+        <com.google.android.setupdesign.view.FillContentLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_weight="1">
@@ -57,8 +57,8 @@
                 android:contentDescription="@null"
                 android:src="@drawable/fingerprint_enroll_introduction" />
 
-        </com.android.setupwizardlib.view.FillContentLayout>
+        </com.google.android.setupdesign.view.FillContentLayout>
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/fingerprint_enroll_introduction_footer.xml b/res/layout/fingerprint_enroll_introduction_footer.xml
index b2d6973..1298d82 100644
--- a/res/layout/fingerprint_enroll_introduction_footer.xml
+++ b/res/layout/fingerprint_enroll_introduction_footer.xml
@@ -16,7 +16,7 @@
 -->
 
 <!-- TODO: Use aapt:attr when it is fixed (b/36809755) -->
-<com.android.setupwizardlib.view.ButtonBarLayout
+<com.google.android.setupdesign.view.ButtonBarLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     style="@style/SuwGlifButtonBar.Stackable"
     android:layout_width="match_parent"
@@ -41,4 +41,4 @@
         android:layout_height="wrap_content"
         android:text="@string/suw_next_button_label" />
 
-</com.android.setupwizardlib.view.ButtonBarLayout>
+</com.google.android.setupdesign.view.ButtonBarLayout>
diff --git a/res/layout/master_clear.xml b/res/layout/master_clear.xml
index 8d4d623..83b02ff 100644
--- a/res/layout/master_clear.xml
+++ b/res/layout/master_clear.xml
@@ -14,7 +14,7 @@
      limitations under the License.
 -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/setup_wizard_layout"
@@ -135,4 +135,4 @@
                 android:layout_height="wrap_content"/>
         </LinearLayout>
     </ScrollView>
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/master_clear_confirm.xml b/res/layout/master_clear_confirm.xml
index d513dbb..2acdfce 100644
--- a/res/layout/master_clear_confirm.xml
+++ b/res/layout/master_clear_confirm.xml
@@ -13,7 +13,7 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
@@ -37,4 +37,4 @@
             android:layout_height="wrap_content"
             android:text="@string/master_clear_final_desc"/>
     </LinearLayout>
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/redaction_interstitial.xml b/res/layout/redaction_interstitial.xml
index 939ff92..929ac07 100644
--- a/res/layout/redaction_interstitial.xml
+++ b/res/layout/redaction_interstitial.xml
@@ -15,14 +15,14 @@
     limitations under the License
 -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:icon="@drawable/ic_suggested_notifications"
-    settings:suwFooter="@layout/redaction_interstitial_footer"
+    settings:sucFooter="@layout/redaction_interstitial_footer"
     settings:suwHeaderText="@string/lock_screen_notifications_interstitial_title">
 
     <LinearLayout
@@ -78,4 +78,4 @@
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/setup_preference.xml b/res/layout/setup_preference.xml
index 298bc9a..314bb0e 100644
--- a/res/layout/setup_preference.xml
+++ b/res/layout/setup_preference.xml
@@ -15,7 +15,7 @@
     limitations under the License.
 -->
 
-<com.android.setupwizardlib.GlifPreferenceLayout
+<com.google.android.setupdesign.GlifPreferenceLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@android:id/list_container"
     android:layout_width="match_parent"
diff --git a/res/layout/storage_wizard_generic.xml b/res/layout/storage_wizard_generic.xml
index fe4c052..77aff9c 100644
--- a/res/layout/storage_wizard_generic.xml
+++ b/res/layout/storage_wizard_generic.xml
@@ -14,13 +14,13 @@
      limitations under the License.
 -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:suwFooter="@layout/storage_wizard_footer">
+    app:sucFooter="@layout/storage_wizard_footer">
 
     <LinearLayout
         style="@style/SuwContentFrame"
@@ -44,4 +44,4 @@
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/storage_wizard_init.xml b/res/layout/storage_wizard_init.xml
index 4905de6..3b7a5de 100644
--- a/res/layout/storage_wizard_init.xml
+++ b/res/layout/storage_wizard_init.xml
@@ -14,13 +14,13 @@
      limitations under the License.
 -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:suwFooter="@layout/storage_wizard_footer">
+    app:sucFooter="@layout/storage_wizard_footer">
 
     <LinearLayout
         style="@style/SuwContentFrame"
@@ -136,4 +136,4 @@
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/storage_wizard_progress.xml b/res/layout/storage_wizard_progress.xml
index 0b38475..e1d685b 100644
--- a/res/layout/storage_wizard_progress.xml
+++ b/res/layout/storage_wizard_progress.xml
@@ -14,13 +14,13 @@
      limitations under the License.
 -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:suwFooter="@layout/storage_wizard_footer">
+    app:sucFooter="@layout/storage_wizard_footer">
 
     <LinearLayout
         style="@style/SuwContentFrame"
@@ -59,4 +59,4 @@
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/storage_wizard_ready.xml b/res/layout/storage_wizard_ready.xml
index a9e4ddf..e947758 100644
--- a/res/layout/storage_wizard_ready.xml
+++ b/res/layout/storage_wizard_ready.xml
@@ -14,13 +14,13 @@
      limitations under the License.
 -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:suwFooter="@layout/storage_wizard_footer">
+    app:sucFooter="@layout/storage_wizard_footer">
 
     <LinearLayout
         style="@style/SuwContentFrame"
@@ -38,4 +38,4 @@
 
     </LinearLayout>
 
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/res/layout/wifi_button_preference_widget.xml b/res/layout/wifi_button_preference_widget.xml
new file mode 100644
index 0000000..55078c2
--- /dev/null
+++ b/res/layout/wifi_button_preference_widget.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2018 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<ImageButton xmlns:android="http://schemas.android.com/apk/res/android"
+           android:id="@+id/button_icon"
+           android:layout_width="wrap_content"
+           android:layout_height="wrap_content"
+           android:layout_gravity="center"
+           android:background="@null"
+           android:visibility="gone"
+           android:contentDescription="@string/wifi_add_network" />
diff --git a/res/layout/wifi_dialog.xml b/res/layout/wifi_dialog.xml
index bb2946d..2a395b6 100644
--- a/res/layout/wifi_dialog.xml
+++ b/res/layout/wifi_dialog.xml
@@ -50,13 +50,28 @@
                         android:text="@string/wifi_ssid"
                         android:textDirection="locale" />
 
-                <EditText android:id="@+id/ssid"
+                <RelativeLayout
                         android:layout_width="match_parent"
+                        android:layout_height="wrap_content" >
+                    <EditText android:id="@+id/ssid"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            style="@style/wifi_item_edit_content"
+                            android:hint="@string/wifi_ssid_hint"
+                            android:singleLine="true"
+                            android:inputType="textNoSuggestions" />
+                    <ImageButton
+                        android:id="@+id/ssid_scanner_button"
+                        android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
-                        style="@style/wifi_item_edit_content"
-                        android:hint="@string/wifi_ssid_hint"
-                        android:singleLine="true"
-                        android:inputType="textNoSuggestions" />
+                        android:layout_alignParentRight="true"
+                        android:layout_centerVertical="true"
+                        android:layout_margin="5dp"
+                        android:background="@null"
+                        android:src="@drawable/ic_qrcode_24dp"
+                        android:visibility="gone"
+                        android:contentDescription="@string/wifi_add_network" />
+                </RelativeLayout>
 
                 <LinearLayout android:id="@+id/ssid_too_long_warning"
                               android:layout_width="match_parent"
@@ -270,12 +285,28 @@
                         style="@style/wifi_item_label"
                         android:text="@string/wifi_password" />
 
-                <EditText android:id="@+id/password"
-                        android:layout_width="match_parent"
+                <RelativeLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content" >
+                    <EditText android:id="@+id/password"
+                              android:layout_width="match_parent"
+                              android:layout_height="wrap_content"
+                              style="@style/wifi_item_edit_content"
+                              android:singleLine="true"
+                              android:password="true" />
+
+                    <ImageButton
+                        android:id="@+id/password_scanner_button"
+                        android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
-                        style="@style/wifi_item_edit_content"
-                        android:singleLine="true"
-                        android:password="true" />
+                        android:layout_alignParentRight="true"
+                        android:layout_centerVertical="true"
+                        android:layout_margin="5dp"
+                        android:background="@null"
+                        android:src="@drawable/ic_qrcode_24dp"
+                        android:visibility="gone"
+                        android:contentDescription="@string/wifi_add_network" />
+                </RelativeLayout>
             </LinearLayout>
 
             <LinearLayout android:id="@+id/show_password_layout"
diff --git a/res/layout/wifi_dpp_qrcode_scanner_fragment.xml b/res/layout/wifi_dpp_qrcode_scanner_fragment.xml
index ab38ac1..0beacff 100644
--- a/res/layout/wifi_dpp_qrcode_scanner_fragment.xml
+++ b/res/layout/wifi_dpp_qrcode_scanner_fragment.xml
@@ -44,8 +44,5 @@
         android:layout_height="wrap_content"
         android:layout_gravity="center"/>
 
-    <include layout="@layout/wifi_dpp_fragment_footer"
-        android:gravity="center|bottom"/>
-
 </LinearLayout>
 
diff --git a/res/values/strings.xml b/res/values/strings.xml
index ae080cd..6aacb0a 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2056,6 +2056,14 @@
     <string name="wifi_dpp_add_device_to_network">Add a device to this network</string>
     <!-- Hint for the user to center another device's QR code in the below camera window [CHAR LIMIT=120] -->
     <string name="wifi_dpp_center_qr_code">Center the device\u2019s QR code below to add device to \u201c<xliff:g id="ssid" example="OfficeWifi">%1$s</xliff:g>\u201d</string>
+    <!-- Title for the fragment to scan QR code [CHAR LIMIT=50]  -->
+    <string name="wifi_dpp_scan_qr_code">Scan QR code</string>
+    <!-- Hint for the user to center another device's QR code in the below camera window [CHAR LIMIT=NONE] -->
+    <string name="wifi_dpp_scan_qr_code_join_network">Join \u201c<xliff:g id="ssid" example="OfficeWifi">%1$s</xliff:g>\u201d by scanning a QR code</string>
+    <!-- Title for the fragment to share Wi-Fi [CHAR LIMIT=50]  -->
+    <string name="wifi_dpp_share_wifi">Share Wi\u2011Fi</string>
+    <!-- Hint for the user to use another device to scan QR code on screen to join Wi-Fi [CHAR LIMIT=NONE] -->
+    <string name="wifi_dpp_scan_qr_code_with_another_device">Scan this QR code with another device to join \u201c<xliff:g id="ssid" example="OfficeWifi">%1$s</xliff:g>\u201d</string>
     <!-- Label for the check box to share a network with other users on the same device -->
     <string name="wifi_shared">Share with other device users</string>
     <!-- Hint for unchanged fields -->
@@ -8404,6 +8412,12 @@
     <!--  Title for Default Phone app settings [CHAR LIMIT=30] -->
     <string name="default_phone_title">Phone app</string>
 
+    <!--
+     ~ STOPSHIP(b/110557011): Remove once the new UI is ready.
+     -->
+    <!-- Title for Roles settings [CHAR LIMIT=30] -->
+    <string name="roles_title">Roles</string>
+
     <!-- Label of default app for current setting [CHAR LIMIT=40] -->
     <string name="default_app">(Default)</string>
 
diff --git a/res/values/themes.xml b/res/values/themes.xml
index 1e24770..9a05bfc 100644
--- a/res/values/themes.xml
+++ b/res/values/themes.xml
@@ -198,6 +198,7 @@
         <item name="android:windowLightStatusBar">true</item>
         <item name="android:navigationBarDividerColor">@*android:color/ripple_material_light</item>
         <item name="android:navigationBarColor">@android:color/white</item>
+        <item name="android:windowBackground">@android:color/white</item>
         <item name="android:windowLightNavigationBar">true</item>
     </style>
 
diff --git a/res/xml/app_default_settings.xml b/res/xml/app_default_settings.xml
index a993aa1..c26c069 100644
--- a/res/xml/app_default_settings.xml
+++ b/res/xml/app_default_settings.xml
@@ -79,6 +79,14 @@
         android:fragment="com.android.settings.applications.managedomainurls.ManageDomainUrls"
         settings:keywords="@string/keywords_default_links"/>
 
+    <!--
+     ~ STOPSHIP(b/110557011): Remove once the new UI is ready.
+     -->
+    <Preference
+        android:key="roles"
+        android:title="@string/roles_title"
+        settings:controller="com.android.settings.applications.defaultapps.RolesPreferenceController" />
+
     <com.android.settings.widget.WorkOnlyCategory
         android:key="work_app_defaults"
         android:title="@string/default_for_work">
diff --git a/src/com/android/settings/EncryptionInterstitial.java b/src/com/android/settings/EncryptionInterstitial.java
index caef988..8cae26b 100644
--- a/src/com/android/settings/EncryptionInterstitial.java
+++ b/src/com/android/settings/EncryptionInterstitial.java
@@ -39,7 +39,8 @@
 import com.android.settings.core.InstrumentedFragment;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
 import com.android.settings.password.ChooseLockSettingsHelper;
-import com.android.setupwizardlib.GlifLayout;
+
+import com.google.android.setupdesign.GlifLayout;
 
 import java.util.List;
 
diff --git a/src/com/android/settings/MasterClear.java b/src/com/android/settings/MasterClear.java
index 307bbc1..8e745a3 100644
--- a/src/com/android/settings/MasterClear.java
+++ b/src/com/android/settings/MasterClear.java
@@ -64,8 +64,9 @@
 import com.android.settings.password.ChooseLockSettingsHelper;
 import com.android.settings.password.ConfirmLockPattern;
 import com.android.settingslib.RestrictedLockUtilsInternal;
-import com.android.setupwizardlib.TemplateLayout;
-import com.android.setupwizardlib.template.ButtonFooterMixin;
+
+import com.google.android.setupcompat.TemplateLayout;
+import com.google.android.setupdesign.template.ButtonFooterMixin;
 
 import java.util.List;
 
diff --git a/src/com/android/settings/MasterClearConfirm.java b/src/com/android/settings/MasterClearConfirm.java
index 8ebb710..ffbb2aa 100644
--- a/src/com/android/settings/MasterClearConfirm.java
+++ b/src/com/android/settings/MasterClearConfirm.java
@@ -43,8 +43,9 @@
 import com.android.settings.core.InstrumentedFragment;
 import com.android.settings.enterprise.ActionDisabledByAdminDialogHelper;
 import com.android.settingslib.RestrictedLockUtilsInternal;
-import com.android.setupwizardlib.TemplateLayout;
-import com.android.setupwizardlib.template.ButtonFooterMixin;
+
+import com.google.android.setupcompat.TemplateLayout;
+import com.google.android.setupdesign.template.ButtonFooterMixin;
 
 /**
  * Confirm and execute a reset of the device to a clean "just out of the box"
diff --git a/src/com/android/settings/SetupWizardUtils.java b/src/com/android/settings/SetupWizardUtils.java
index 27cdb69..0dbb2dc 100644
--- a/src/com/android/settings/SetupWizardUtils.java
+++ b/src/com/android/settings/SetupWizardUtils.java
@@ -21,7 +21,9 @@
 
 import androidx.annotation.VisibleForTesting;
 
-import com.android.setupwizardlib.util.WizardManagerHelper;
+import com.google.android.setupcompat.util.WizardManagerHelper;
+import com.google.android.setupdesign.util.ThemeHelper;
+
 
 public class SetupWizardUtils {
 
@@ -35,17 +37,17 @@
         }
         if (theme != null) {
             switch (theme) {
-                case WizardManagerHelper.THEME_GLIF_V3_LIGHT:
+                case ThemeHelper.THEME_GLIF_V3_LIGHT:
                     return R.style.GlifV3Theme_Light;
-                case WizardManagerHelper.THEME_GLIF_V3:
+                case ThemeHelper.THEME_GLIF_V3:
                     return R.style.GlifV3Theme;
-                case WizardManagerHelper.THEME_GLIF_V2_LIGHT:
+                case ThemeHelper.THEME_GLIF_V2_LIGHT:
                     return R.style.GlifV2Theme_Light;
-                case WizardManagerHelper.THEME_GLIF_V2:
+                case ThemeHelper.THEME_GLIF_V2:
                     return R.style.GlifV2Theme;
-                case WizardManagerHelper.THEME_GLIF_LIGHT:
+                case ThemeHelper.THEME_GLIF_LIGHT:
                     return R.style.GlifTheme_Light;
-                case WizardManagerHelper.THEME_GLIF:
+                case ThemeHelper.THEME_GLIF:
                     return R.style.GlifTheme;
             }
         }
diff --git a/src/com/android/settings/applications/defaultapps/RolesPreferenceController.java b/src/com/android/settings/applications/defaultapps/RolesPreferenceController.java
new file mode 100644
index 0000000..59166dd
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/RolesPreferenceController.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.defaultapps;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.provider.Settings;
+import android.text.TextUtils;
+
+import androidx.preference.Preference;
+
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * STOPSHIP(b/110557011): Remove once the new UI is ready.
+ */
+public class RolesPreferenceController extends BasePreferenceController {
+
+    private Intent mIntent;
+
+    public RolesPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+
+        PackageManager packageManager = context.getPackageManager();
+        String packageName = packageManager.getPermissionControllerPackageName();
+        if (packageName != null) {
+            mIntent = new Intent(Settings.ACTION_MANAGE_DEFAULT_APPS_SETTINGS)
+                    .setPackage(packageName);
+        }
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return mIntent != null ? AVAILABLE_UNSEARCHABLE : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        if (TextUtils.equals(preference.getKey(), mPreferenceKey)) {
+            if (mIntent != null) {
+                mContext.startActivity(mIntent);
+            }
+            return true;
+        }
+        return false;
+    }
+}
diff --git a/src/com/android/settings/biometrics/BiometricEnrollBase.java b/src/com/android/settings/biometrics/BiometricEnrollBase.java
index f5a1b5e..0aa8936 100644
--- a/src/com/android/settings/biometrics/BiometricEnrollBase.java
+++ b/src/com/android/settings/biometrics/BiometricEnrollBase.java
@@ -32,7 +32,8 @@
 import com.android.settings.biometrics.fingerprint.FingerprintEnrollEnrolling;
 import com.android.settings.core.InstrumentedActivity;
 import com.android.settings.password.ChooseLockSettingsHelper;
-import com.android.setupwizardlib.GlifLayout;
+
+import com.google.android.setupdesign.GlifLayout;
 
 /**
  * Base activity for all biometric enrollment steps.
diff --git a/src/com/android/settings/biometrics/BiometricEnrollIntroduction.java b/src/com/android/settings/biometrics/BiometricEnrollIntroduction.java
index beefb39..2424eb1 100644
--- a/src/com/android/settings/biometrics/BiometricEnrollIntroduction.java
+++ b/src/com/android/settings/biometrics/BiometricEnrollIntroduction.java
@@ -28,7 +28,8 @@
 import com.android.settings.R;
 import com.android.settings.password.ChooseLockGeneric;
 import com.android.settings.password.ChooseLockSettingsHelper;
-import com.android.setupwizardlib.span.LinkSpan;
+
+import com.google.android.setupdesign.span.LinkSpan;
 
 /**
  * Abstract base class for the intro onboarding activity for biometric enrollment.
diff --git a/src/com/android/settings/biometrics/face/FaceEnrollIntroduction.java b/src/com/android/settings/biometrics/face/FaceEnrollIntroduction.java
index 748f874..c4a9c4f 100644
--- a/src/com/android/settings/biometrics/face/FaceEnrollIntroduction.java
+++ b/src/com/android/settings/biometrics/face/FaceEnrollIntroduction.java
@@ -29,7 +29,8 @@
 import com.android.settings.biometrics.BiometricEnrollIntroduction;
 import com.android.settings.password.ChooseLockSettingsHelper;
 import com.android.settingslib.RestrictedLockUtilsInternal;
-import com.android.setupwizardlib.span.LinkSpan;
+
+import com.google.android.setupdesign.span.LinkSpan;
 
 public class FaceEnrollIntroduction extends BiometricEnrollIntroduction {
 
diff --git a/src/com/android/settings/biometrics/face/FaceEnrollSidecar.java b/src/com/android/settings/biometrics/face/FaceEnrollSidecar.java
index 7b445e5..2433fcb 100644
--- a/src/com/android/settings/biometrics/face/FaceEnrollSidecar.java
+++ b/src/com/android/settings/biometrics/face/FaceEnrollSidecar.java
@@ -43,8 +43,9 @@
         if (mUserId != UserHandle.USER_NULL) {
             mFaceManager.setActiveUser(mUserId);
         }
+        // TODO: Send the list of disabled features
         mFaceManager.enroll(mToken, mEnrollmentCancel,
-                0 /* flags */, mUserId, mEnrollmentCallback);
+                mEnrollmentCallback, new int[0] /* disabledFeatures */);
     }
 
     private FaceManager.EnrollmentCallback mEnrollmentCallback
diff --git a/src/com/android/settings/biometrics/face/FaceSettingsAttentionPreferenceController.java b/src/com/android/settings/biometrics/face/FaceSettingsAttentionPreferenceController.java
index 9c4f964..2e32bf3 100644
--- a/src/com/android/settings/biometrics/face/FaceSettingsAttentionPreferenceController.java
+++ b/src/com/android/settings/biometrics/face/FaceSettingsAttentionPreferenceController.java
@@ -48,7 +48,6 @@
 
     public void setToken(byte[] token) {
         mToken = token;
-        mPreference.setChecked(mFaceManager.getRequireAttention(mToken));
     }
 
     /**
@@ -64,18 +63,13 @@
     public boolean isChecked() {
         if (!FaceSettings.isAvailable(mContext)) {
             return true;
-        } else if (mToken == null) {
-            // The token will be null when the controller is first created, since CC has not been
-            // completed by the user. Once it's completed, FaceSettings will use setToken which
-            // will retrieve the correct value from FaceService
-            return true;
         }
-        return mFaceManager.getRequireAttention(mToken);
+        return mFaceManager.getFeature(FaceManager.FEATURE_REQUIRE_ATTENTION);
     }
 
     @Override
     public boolean setChecked(boolean isChecked) {
-        mFaceManager.setRequireAttention(isChecked, mToken);
+        mFaceManager.setFeature(FaceManager.FEATURE_REQUIRE_ATTENTION, isChecked, mToken);
         return true;
     }
 
diff --git a/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollIntroduction.java b/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollIntroduction.java
index 241545d..8821ce5 100644
--- a/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollIntroduction.java
+++ b/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollIntroduction.java
@@ -32,7 +32,8 @@
 import com.android.settings.password.ChooseLockSettingsHelper;
 import com.android.settingslib.HelpUtils;
 import com.android.settingslib.RestrictedLockUtilsInternal;
-import com.android.setupwizardlib.span.LinkSpan;
+
+import com.google.android.setupdesign.span.LinkSpan;
 
 public class FingerprintEnrollIntroduction extends BiometricEnrollIntroduction {
 
diff --git a/src/com/android/settings/deviceinfo/StorageWizardBase.java b/src/com/android/settings/deviceinfo/StorageWizardBase.java
index ef0e46b..50c908a 100644
--- a/src/com/android/settings/deviceinfo/StorageWizardBase.java
+++ b/src/com/android/settings/deviceinfo/StorageWizardBase.java
@@ -44,7 +44,8 @@
 
 import com.android.settings.R;
 import com.android.settingslib.Utils;
-import com.android.setupwizardlib.GlifLayout;
+
+import com.google.android.setupdesign.GlifLayout;
 
 import java.text.NumberFormat;
 import java.util.List;
diff --git a/src/com/android/settings/password/ChooseLockPassword.java b/src/com/android/settings/password/ChooseLockPassword.java
index 1ef95da..32d4edf 100644
--- a/src/com/android/settings/password/ChooseLockPassword.java
+++ b/src/com/android/settings/password/ChooseLockPassword.java
@@ -68,7 +68,8 @@
 import com.android.settings.core.InstrumentedFragment;
 import com.android.settings.notification.RedactionInterstitial;
 import com.android.settings.widget.ImeAwareEditText;
-import com.android.setupwizardlib.GlifLayout;
+
+import com.google.android.setupdesign.GlifLayout;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/src/com/android/settings/password/ChooseLockPattern.java b/src/com/android/settings/password/ChooseLockPattern.java
index 0d06ed8..1c9e3ff 100644
--- a/src/com/android/settings/password/ChooseLockPattern.java
+++ b/src/com/android/settings/password/ChooseLockPattern.java
@@ -48,9 +48,9 @@
 import com.android.settings.Utils;
 import com.android.settings.core.InstrumentedFragment;
 import com.android.settings.notification.RedactionInterstitial;
-import com.android.setupwizardlib.GlifLayout;
 
 import com.google.android.collect.Lists;
+import com.google.android.setupdesign.GlifLayout;
 
 import java.util.ArrayList;
 import java.util.Collections;
diff --git a/src/com/android/settings/password/ChooseLockSettingsHelper.java b/src/com/android/settings/password/ChooseLockSettingsHelper.java
index 938dec4..1c9191a 100644
--- a/src/com/android/settings/password/ChooseLockSettingsHelper.java
+++ b/src/com/android/settings/password/ChooseLockSettingsHelper.java
@@ -31,7 +31,8 @@
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.SettingsActivity;
 import com.android.settings.Utils;
-import com.android.setupwizardlib.util.WizardManagerHelper;
+
+import com.google.android.setupcompat.util.WizardManagerHelper;
 
 public final class ChooseLockSettingsHelper {
 
diff --git a/src/com/android/settings/password/ChooseLockTypeDialogFragment.java b/src/com/android/settings/password/ChooseLockTypeDialogFragment.java
index 10c73c5..191f827 100644
--- a/src/com/android/settings/password/ChooseLockTypeDialogFragment.java
+++ b/src/com/android/settings/password/ChooseLockTypeDialogFragment.java
@@ -39,7 +39,8 @@
 import com.android.settings.R;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
 import com.android.settings.password.ChooseLockGeneric.ChooseLockGenericFragment;
-import com.android.setupwizardlib.util.WizardManagerHelper;
+
+import com.google.android.setupcompat.util.WizardManagerHelper;
 
 import java.util.List;
 
diff --git a/src/com/android/settings/password/SetupChooseLockGeneric.java b/src/com/android/settings/password/SetupChooseLockGeneric.java
index 7600104..8cd40d5 100644
--- a/src/com/android/settings/password/SetupChooseLockGeneric.java
+++ b/src/com/android/settings/password/SetupChooseLockGeneric.java
@@ -38,7 +38,8 @@
 import com.android.settings.SetupWizardUtils;
 import com.android.settings.biometrics.fingerprint.SetupFingerprintEnrollFindSensor;
 import com.android.settings.utils.SettingsDividerItemDecoration;
-import com.android.setupwizardlib.GlifPreferenceLayout;
+
+import com.google.android.setupdesign.GlifPreferenceLayout;
 
 /**
  * Setup Wizard's version of ChooseLockGeneric screen. It inherits the logic and basic structure
diff --git a/src/com/android/settings/utils/SettingsDividerItemDecoration.java b/src/com/android/settings/utils/SettingsDividerItemDecoration.java
index 85cd961..3d9e901 100644
--- a/src/com/android/settings/utils/SettingsDividerItemDecoration.java
+++ b/src/com/android/settings/utils/SettingsDividerItemDecoration.java
@@ -21,7 +21,7 @@
 import androidx.preference.PreferenceViewHolder;
 import androidx.recyclerview.widget.RecyclerView;
 
-import com.android.setupwizardlib.DividerItemDecoration;
+import com.google.android.setupdesign.DividerItemDecoration;
 
 public class SettingsDividerItemDecoration extends DividerItemDecoration {
 
diff --git a/src/com/android/settings/wifi/AddNetworkFragment.java b/src/com/android/settings/wifi/AddNetworkFragment.java
index 814b358..72d878b 100644
--- a/src/com/android/settings/wifi/AddNetworkFragment.java
+++ b/src/com/android/settings/wifi/AddNetworkFragment.java
@@ -23,12 +23,14 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
+import android.widget.ImageButton;
 
 import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.core.InstrumentedFragment;
+import com.android.settings.wifi.dpp.WifiDppUtils;
 
 public class AddNetworkFragment extends InstrumentedFragment implements WifiConfigUiBase,
         View.OnClickListener {
@@ -64,6 +66,18 @@
         mCancelBtn.setOnClickListener(this);
         mUIController = new WifiConfigController(this, rootView, null, getMode());
 
+        if (WifiDppUtils.isSharingNetworkEnabled(getContext())) {
+            final ImageButton scannerButton = rootView.findViewById(R.id.ssid_scanner_button);
+            if (scannerButton != null) {
+                scannerButton.setVisibility(View.VISIBLE);
+                scannerButton.setOnClickListener((View v) -> {
+                    // Launch QR code scanner to join a network.
+                    getContext().startActivity(
+                            WifiDppUtils.getConfiguratorQRCodeScannerIntent(/* ssid */ null));
+                });
+            }
+        }
+
         return rootView;
     }
 
diff --git a/src/com/android/settings/wifi/ButtonPreference.java b/src/com/android/settings/wifi/ButtonPreference.java
new file mode 100644
index 0000000..62e8caf
--- /dev/null
+++ b/src/com/android/settings/wifi/ButtonPreference.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.settings.wifi;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.View;
+import android.widget.ImageButton;
+
+import com.android.settings.R;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.annotation.DrawableRes;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
+
+/**
+ * This preference provides one button layout with Settings style.
+ * It looks like below
+ *
+ * --------------------------------------------------------------
+ * | icon | title                                    |  button  |
+ * --------------------------------------------------------------
+ *
+ * User can set icon / click listener for button.
+ * By default, the button is invisible.
+ */
+public class ButtonPreference extends Preference {
+
+    private static final String TAG = "ButtonPreference";
+
+    private ImageButton mImageButton;
+    private Drawable mButtonIcon;
+    private View.OnClickListener mClickListener;
+
+    // Used for dummy pref.
+    public ButtonPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        setWidgetLayoutResource(R.layout.wifi_button_preference_widget);
+        mImageButton = null;
+        mButtonIcon = null;
+        mClickListener = null;
+    }
+
+    public ButtonPreference(Context context) {
+        this(context, /* attrs */ null);
+    }
+
+    @Override
+    public void onBindViewHolder(final PreferenceViewHolder view) {
+        super.onBindViewHolder(view);
+        initButton(view);
+    }
+
+    @Override
+    public void setOrder(int order) {
+        super.setOrder(order);
+        setButtonVisibility();
+    }
+
+    @VisibleForTesting
+    protected void initButton(final PreferenceViewHolder view) {
+        if (mImageButton == null) {
+            mImageButton = (ImageButton) view.findViewById(R.id.button_icon);
+        }
+        if (mImageButton != null) {
+            mImageButton.setImageDrawable(mButtonIcon);
+            mImageButton.setOnClickListener(mClickListener);
+        }
+        setButtonVisibility();
+    }
+
+    private void setButtonVisibility() {
+        if(mImageButton != null) {
+            mImageButton.setVisibility(mButtonIcon == null ? View.GONE : View.VISIBLE);
+        }
+    }
+
+    /**
+     * Sets the drawable to be displayed in button.
+     */
+    public ButtonPreference setButtonIcon(@DrawableRes int iconResId) {
+        if (iconResId == 0) {
+            return this;
+        }
+
+        try {
+            mButtonIcon = getContext().getDrawable(iconResId);
+            notifyChanged();
+        } catch (Resources.NotFoundException exception) {
+            Log.e(TAG, "Resource does not exist: " + iconResId);
+        }
+        return this;
+    }
+
+    /**
+     * Register a callback to be invoked when button is clicked.
+     */
+    public ButtonPreference setButtonOnClickListener(View.OnClickListener listener) {
+        if (listener != mClickListener) {
+            mClickListener = listener;
+            notifyChanged();
+        }
+        return this;
+    }
+}
diff --git a/src/com/android/settings/wifi/WifiDialog.java b/src/com/android/settings/wifi/WifiDialog.java
index 2b8fb2d..0e2ca60 100644
--- a/src/com/android/settings/wifi/WifiDialog.java
+++ b/src/com/android/settings/wifi/WifiDialog.java
@@ -21,10 +21,13 @@
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
+import android.widget.ImageButton;
 
 import androidx.appcompat.app.AlertDialog;
 
 import com.android.settings.R;
+import com.android.settings.wifi.dpp.WifiDppUtils;
+
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedLockUtilsInternal;
 import com.android.settingslib.wifi.AccessPoint;
@@ -77,7 +80,18 @@
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
-        mView = getLayoutInflater().inflate(R.layout.wifi_dialog, null);
+        mView = getLayoutInflater().inflate(R.layout.wifi_dialog, /* root */ null);
+        if (WifiDppUtils.isSharingNetworkEnabled(getContext())) {
+            final ImageButton scannerButton = mView.findViewById(R.id.password_scanner_button);
+            if (scannerButton != null) {
+                scannerButton.setVisibility(View.VISIBLE);
+                scannerButton.setOnClickListener((View v) -> {
+                    // Launch QR code scanner to join a network.
+                    getContext().startActivity(
+                            WifiDppUtils.getConfiguratorQRCodeScannerIntent(/* ssid */ null));
+                });
+            }
+        }
         setView(mView);
         mController = new WifiConfigController(this, mView, mAccessPoint, mMode);
         super.onCreate(savedInstanceState);
diff --git a/src/com/android/settings/wifi/WifiDialogActivity.java b/src/com/android/settings/wifi/WifiDialogActivity.java
index e3a03ad..9ef6a39 100644
--- a/src/com/android/settings/wifi/WifiDialogActivity.java
+++ b/src/com/android/settings/wifi/WifiDialogActivity.java
@@ -30,7 +30,8 @@
 
 import com.android.settings.SetupWizardUtils;
 import com.android.settingslib.wifi.AccessPoint;
-import com.android.setupwizardlib.util.WizardManagerHelper;
+
+import com.google.android.setupcompat.util.WizardManagerHelper;
 
 public class WifiDialogActivity extends Activity implements WifiDialog.WifiDialogListener,
         DialogInterface.OnDismissListener {
diff --git a/src/com/android/settings/wifi/WifiSettings.java b/src/com/android/settings/wifi/WifiSettings.java
index 1c9a5e1..54de28d 100644
--- a/src/com/android/settings/wifi/WifiSettings.java
+++ b/src/com/android/settings/wifi/WifiSettings.java
@@ -66,6 +66,7 @@
 import com.android.settings.widget.SummaryUpdater.OnSummaryChangeListener;
 import com.android.settings.widget.SwitchBarController;
 import com.android.settings.wifi.details.WifiNetworkDetailsFragment;
+import com.android.settings.wifi.dpp.WifiDppUtils;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedLockUtilsInternal;
 import com.android.settingslib.search.SearchIndexable;
@@ -175,7 +176,7 @@
 
     private PreferenceCategory mConnectedAccessPointPreferenceCategory;
     private PreferenceCategory mAccessPointsPreferenceCategory;
-    private Preference mAddPreference;
+    private ButtonPreference mAddPreference;
     @VisibleForTesting
     Preference mConfigureWifiSettingsPreference;
     @VisibleForTesting
@@ -235,9 +236,17 @@
         mSavedNetworksPreference = findPreference(PREF_KEY_SAVED_NETWORKS);
 
         Context prefContext = getPrefContext();
-        mAddPreference = new Preference(prefContext);
+        mAddPreference = new ButtonPreference(prefContext);
         mAddPreference.setIcon(R.drawable.ic_menu_add);
         mAddPreference.setTitle(R.string.wifi_add_network);
+        if (WifiDppUtils.isSharingNetworkEnabled(getContext())) {
+            mAddPreference.setButtonIcon(R.drawable.ic_qrcode_24dp);
+            mAddPreference.setButtonOnClickListener((View v) -> {
+                // Launch QR code scanner to join a network.
+                getContext().startActivity(
+                        WifiDppUtils.getConfiguratorQRCodeScannerIntent(/* ssid */ null));
+            });
+        }
         mStatusMessagePreference = (LinkablePreference) findPreference(PREF_KEY_STATUS_MESSAGE);
 
         mUserBadgeCache = new AccessPointPreference.UserBadgeCache(getPackageManager());
diff --git a/src/com/android/settings/wifi/dpp/WifiDppConfiguratorActivity.java b/src/com/android/settings/wifi/dpp/WifiDppConfiguratorActivity.java
index d81c19b..e4ae292 100644
--- a/src/com/android/settings/wifi/dpp/WifiDppConfiguratorActivity.java
+++ b/src/com/android/settings/wifi/dpp/WifiDppConfiguratorActivity.java
@@ -31,8 +31,26 @@
 import com.android.settings.core.InstrumentedActivity;
 import com.android.settings.R;
 
+/**
+ * To provision "other" device with specified Wi-Fi network.
+ *
+ * Uses different intents to specify different provisioning ways.
+ *
+ * For intent action {@code ACTION_CONFIGURATOR_QR_CODE_SCANNER} and
+ * {@code android.settings.WIFI_DPP_CONFIGURATOR_QR_CODE_GENERATOR}, specify the Wi-Fi network to be
+ * provisioned in:
+ *
+ * {@code WifiDppUtils.EXTRA_WIFI_SECURITY}
+ * {@code WifiDppUtils.EXTRA_WIFI_SSID}
+ * {@code WifiDppUtils.EXTRA_WIFI_PRE_SHARED_KEY}
+ * {@code WifiDppUtils.EXTRA_WIFI_HIDDEN_SSID}
+ *
+ * For intent action {@code ACTION_CONFIGURATOR_CHOOSE_SAVED_WIFI_NETWORK}, specify Wi-Fi (DPP)
+ * QR code in {@code WifiDppUtils.EXTRA_QR_CODE}
+ */
 public class WifiDppConfiguratorActivity extends InstrumentedActivity implements
-        WifiNetworkConfig.Retriever {
+        WifiNetworkConfig.Retriever,
+        WifiDppQrCodeGeneratorFragment.OnQrCodeGeneratorFragmentAddButtonClickedListener {
     private static final String TAG = "WifiDppConfiguratorActivity";
 
     public static final String ACTION_CONFIGURATOR_QR_CODE_SCANNER =
@@ -43,7 +61,6 @@
             "android.settings.WIFI_DPP_CONFIGURATOR_CHOOSE_SAVED_WIFI_NETWORK";
 
     private FragmentManager mFragmentManager;
-    private FragmentTransaction mFragmentTransaction;
 
     /** The Wi-Fi network which will be configured */
     private WifiNetworkConfig mWifiNetworkConfig;
@@ -57,12 +74,20 @@
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+
         setContentView(R.layout.wifi_dpp_activity);
-
         mFragmentManager = getSupportFragmentManager();
-        mFragmentTransaction = getSupportFragmentManager().beginTransaction();
 
-        Intent intent = getIntent();
+        handleIntent(getIntent());
+
+        ActionBar actionBar = getActionBar();
+        if (actionBar != null) {
+            actionBar.setElevation(0);
+            actionBar.setDisplayShowTitleEnabled(false);
+        }
+    }
+
+    private void handleIntent(Intent intent) {
         boolean cancelActivity = false;
         WifiNetworkConfig config;
         switch (intent.getAction()) {
@@ -72,7 +97,7 @@
                     cancelActivity = true;
                 } else {
                     mWifiNetworkConfig = config;
-                    addQrCodeScannerFragment(/* addToBackStack= */ false);
+                    showQrCodeScannerFragment(/* addToBackStack= */ false);
                 }
                 break;
             case ACTION_CONFIGURATOR_QR_CODE_GENERATOR:
@@ -81,11 +106,11 @@
                     cancelActivity = true;
                 } else {
                     mWifiNetworkConfig = config;
-                    addQrCodeGeneratorFragment();
+                    showQrCodeGeneratorFragment();
                 }
                 break;
             case ACTION_CONFIGURATOR_CHOOSE_SAVED_WIFI_NETWORK:
-                addChooseSavedWifiNetworkFragment(/* addToBackStack */ false);
+                showChooseSavedWifiNetworkFragment(/* addToBackStack */ false);
                 break;
             default:
                 cancelActivity = true;
@@ -98,45 +123,55 @@
         }
     }
 
-    private void addQrCodeScannerFragment(boolean addToBackStack) {
-        WifiDppQrCodeScannerFragment fragment = new WifiDppQrCodeScannerFragment();
-        mFragmentTransaction.add(R.id.fragment_container, fragment);
-        if (addToBackStack) {
-            mFragmentTransaction.addToBackStack(/* name */ null);
+    private void showQrCodeScannerFragment(boolean addToBackStack) {
+        // Avoid to replace the same fragment during configuration change
+        if (mFragmentManager.findFragmentByTag(WifiDppUtils.TAG_FRAGMENT_QR_CODE_SCANNER) != null) {
+            return;
         }
-        mFragmentTransaction.commit();
+
+        WifiDppQrCodeScannerFragment fragment = new WifiDppQrCodeScannerFragment();
+        FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
+
+        fragmentTransaction.replace(R.id.fragment_container, fragment,
+                WifiDppUtils.TAG_FRAGMENT_QR_CODE_SCANNER);
+        if (addToBackStack) {
+            fragmentTransaction.addToBackStack(/* name */ null);
+        }
+        fragmentTransaction.commit();
     }
 
-    private void addQrCodeGeneratorFragment() {
+    private void showQrCodeGeneratorFragment() {
+        // Avoid to replace the same fragment during configuration change
+        if (mFragmentManager.findFragmentByTag(
+                WifiDppUtils.TAG_FRAGMENT_QR_CODE_GENERATOR) != null) {
+            return;
+        }
+
         WifiDppQrCodeGeneratorFragment fragment = new WifiDppQrCodeGeneratorFragment();
-        mFragmentTransaction.add(R.id.fragment_container, fragment);
-        mFragmentTransaction.commit();
+        FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
+
+        fragmentTransaction.replace(R.id.fragment_container, fragment,
+                WifiDppUtils.TAG_FRAGMENT_QR_CODE_GENERATOR);
+        fragmentTransaction.commit();
     }
 
-    private void addChooseSavedWifiNetworkFragment(boolean addToBackStack) {
-        ActionBar action = getActionBar();
-        if (action != null) {
-            action.hide();
+    private void showChooseSavedWifiNetworkFragment(boolean addToBackStack) {
+        // Avoid to replace the same fragment during configuration change
+        if (mFragmentManager.findFragmentByTag(
+                WifiDppUtils.TAG_FRAGMENT_CHOOSE_SAVED_WIFI_NETWORK) != null) {
+            return;
         }
 
         WifiDppChooseSavedWifiNetworkFragment fragment =
                 new WifiDppChooseSavedWifiNetworkFragment();
-        mFragmentTransaction.add(R.id.fragment_container, fragment);
+        FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
+
+        fragmentTransaction.replace(R.id.fragment_container, fragment,
+                WifiDppUtils.TAG_FRAGMENT_CHOOSE_SAVED_WIFI_NETWORK);
         if (addToBackStack) {
-            mFragmentTransaction.addToBackStack(/* name */ null);
+            fragmentTransaction.addToBackStack(/* name */ null);
         }
-        mFragmentTransaction.commit();
-    }
-
-    @Override
-    protected void onStop() {
-        Fragment fragment = mFragmentManager.findFragmentById(R.id.fragment_container);
-        if (fragment != null) {
-            // Remove it to prevent stacking multiple fragments after screen rotated.
-            mFragmentManager.beginTransaction().remove(fragment).commit();
-        }
-
-        super.onStop();
+        fragmentTransaction.commit();
     }
 
     @Override
@@ -153,4 +188,22 @@
             return true;
         }
     }
+
+    @Override
+    public boolean onNavigateUp(){
+        Fragment fragment = mFragmentManager.findFragmentById(R.id.fragment_container);
+        if (fragment instanceof WifiDppQrCodeGeneratorFragment) {
+            setResult(Activity.RESULT_CANCELED);
+            finish();
+            return true;
+        } else if (fragment instanceof WifiDppQrCodeScannerFragment) {
+            mFragmentManager.popBackStackImmediate();
+        }
+
+        return false;
+    }
+
+    @Override public void onQrCodeGeneratorFragmentAddButtonClicked() {
+        showQrCodeScannerFragment(/* addToBackStack */ true);
+    }
 }
diff --git a/src/com/android/settings/wifi/dpp/WifiDppEnrolleeActivity.java b/src/com/android/settings/wifi/dpp/WifiDppEnrolleeActivity.java
new file mode 100644
index 0000000..7c58fd5
--- /dev/null
+++ b/src/com/android/settings/wifi/dpp/WifiDppEnrolleeActivity.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.wifi.dpp;
+
+import android.app.ActionBar;
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+
+import com.android.internal.logging.nano.MetricsProto;
+
+import com.android.settings.core.InstrumentedActivity;
+import com.android.settings.R;
+
+/**
+ * To provision "this" device with specified Wi-Fi network.
+ *
+ * To use intent action {@code ACTION_ENROLLEE_QR_CODE_SCANNER}, specify the SSID string of the
+ * Wi-Fi network to be provisioned in {@code WifiDppUtils.EXTRA_QR_CODE}.
+ */
+public class WifiDppEnrolleeActivity extends InstrumentedActivity {
+    private static final String TAG = "WifiDppEnrolleeActivity";
+
+    public static final String ACTION_ENROLLEE_QR_CODE_SCANNER =
+            "android.settings.WIFI_DPP_ENROLLEE_QR_CODE_SCANNER";
+
+    private FragmentManager mFragmentManager;
+
+    @Override
+    public int getMetricsCategory() {
+        //TODO:Should we use a new metrics category for Wi-Fi DPP?
+        return MetricsProto.MetricsEvent.WIFI_NETWORK_DETAILS;
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.wifi_dpp_activity);
+        mFragmentManager = getSupportFragmentManager();
+
+        handleIntent(getIntent());
+
+        ActionBar actionBar = getActionBar();
+        if (actionBar != null) {
+            actionBar.setElevation(0);
+            actionBar.setDisplayShowTitleEnabled(false);
+        }
+    }
+
+    private void handleIntent(Intent intent) {
+        switch (intent.getAction()) {
+            case ACTION_ENROLLEE_QR_CODE_SCANNER:
+                String ssid = intent.getStringExtra(WifiDppUtils.EXTRA_WIFI_SSID);
+                showQrCodeScannerFragment(/* addToBackStack */ false, ssid);
+                break;
+            default:
+                Log.e(TAG, "Launch with an invalid action");
+                setResult(Activity.RESULT_CANCELED);
+                finish();
+        }
+    }
+
+    private void showQrCodeScannerFragment(boolean addToBackStack, String ssid) {
+        // Avoid to replace the same fragment during configuration change
+        if (mFragmentManager.findFragmentByTag(WifiDppUtils.TAG_FRAGMENT_QR_CODE_SCANNER) != null) {
+            return;
+        }
+
+        WifiDppQrCodeScannerFragment fragment = new WifiDppQrCodeScannerFragment(ssid);
+        FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
+
+        fragmentTransaction.replace(R.id.fragment_container, fragment,
+                WifiDppUtils.TAG_FRAGMENT_QR_CODE_SCANNER);
+        if (addToBackStack) {
+            fragmentTransaction.addToBackStack(/* name */ null);
+        }
+        fragmentTransaction.commit();
+    }
+
+    @Override
+    public boolean onNavigateUp(){
+        setResult(Activity.RESULT_CANCELED);
+        finish();
+        return true;
+    }
+}
diff --git a/src/com/android/settings/wifi/dpp/WifiDppQrCodeBaseFragment.java b/src/com/android/settings/wifi/dpp/WifiDppQrCodeBaseFragment.java
index c86fc98..cddd55c 100644
--- a/src/com/android/settings/wifi/dpp/WifiDppQrCodeBaseFragment.java
+++ b/src/com/android/settings/wifi/dpp/WifiDppQrCodeBaseFragment.java
@@ -34,6 +34,10 @@
 import com.android.settings.R;
 
 /**
+ * TODO: Should refine code to only initiate UI component in each child fragment.
+ */
+
+/**
  * There are below 4 fragments for Wi-Fi DPP UI flow, to reduce redundant code of UI components,
  * this parent fragment instantiates all UI components and provides setting APIs for them.
  *
@@ -58,11 +62,9 @@
     private ImageView mWifiApPictureView;   //optional, for WifiDppAddDeviceFragment
     private TextView mChooseDifferentNetwork;//optional, for WifiDppAddDeviceFragment
 
-    private Button mButtonLeft;             //optional, for WifiDppQrCodeScannerFragment,
-                                            //              WifiDppChooseSavedWifiNetworkFragment,
+    private Button mButtonLeft;             //optional, for WifiDppChooseSavedWifiNetworkFragment,
                                             //              WifiDppAddDeviceFragment
-    private Button mButtonRight;            //optional, for WifiDppQrCodeScannerFragment,
-                                            //              WifiDppChooseSavedWifiNetworkFragment,
+    private Button mButtonRight;            //optional, for WifiDppChooseSavedWifiNetworkFragment,
                                             //              WifiDppAddDeviceFragment
 
     abstract protected int getLayout();
@@ -122,8 +124,7 @@
     }
 
     /**
-     * optional, for WifiDppQrCodeScannerFragment,
-     *               WifiDppChooseSavedWifiNetworkFragment,
+     * optional, for WifiDppChooseSavedWifiNetworkFragment,
      *               WifiDppAddDeviceFragment
      */
     protected void setLeftButtonText(String text) {
@@ -133,8 +134,7 @@
     }
 
     /**
-     * optional, for WifiDppQrCodeScannerFragment,
-     *               WifiDppChooseSavedWifiNetworkFragment,
+     * optional, for WifiDppChooseSavedWifiNetworkFragment,
      *               WifiDppAddDeviceFragment
      */
     protected void setRightButtonText(String text) {
@@ -144,8 +144,7 @@
     }
 
     /**
-     * optional, for WifiDppQrCodeScannerFragment,
-     *               WifiDppChooseSavedWifiNetworkFragment,
+     * optional, for WifiDppChooseSavedWifiNetworkFragment,
      *               WifiDppAddDeviceFragment
      */
     protected void hideLeftButton() {
@@ -155,8 +154,7 @@
     }
 
     /**
-     * optional, for WifiDppQrCodeScannerFragment,
-     *               WifiDppChooseSavedWifiNetworkFragment,
+     * optional, for WifiDppChooseSavedWifiNetworkFragment,
      *               WifiDppAddDeviceFragment
      */
     protected void hideRightButton() {
@@ -166,8 +164,7 @@
     }
 
     /**
-     * optional, for WifiDppQrCodeScannerFragment,
-     *               WifiDppChooseSavedWifiNetworkFragment,
+     * optional, for WifiDppChooseSavedWifiNetworkFragment,
      *               WifiDppAddDeviceFragment
      */
     protected void setLeftButtonOnClickListener(View.OnClickListener listener) {
@@ -177,8 +174,7 @@
     }
 
     /**
-     * optional, for WifiDppQrCodeScannerFragment,
-     *               WifiDppChooseSavedWifiNetworkFragment,
+     * optional, for WifiDppChooseSavedWifiNetworkFragment,
      *               WifiDppAddDeviceFragment
      */
     protected void setRightButtonOnClickListener(View.OnClickListener listener) {
diff --git a/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragment.java b/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragment.java
index 9935bf2..b064253 100644
--- a/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragment.java
+++ b/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragment.java
@@ -16,7 +16,12 @@
 
 package com.android.settings.wifi.dpp;
 
+import android.app.ActionBar;
+import android.content.Context;
 import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 
 import com.android.settings.R;
 
@@ -30,8 +35,64 @@
         return R.layout.wifi_dpp_qrcode_generator_fragment;
     }
 
+    // Container Activity must implement this interface
+    public interface OnQrCodeGeneratorFragmentAddButtonClickedListener {
+        public void onQrCodeGeneratorFragmentAddButtonClicked();
+    }
+    OnQrCodeGeneratorFragmentAddButtonClickedListener mListener;
+
     @Override
-    public void onActivityCreated (Bundle savedInstanceState) {
+    public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
+
+        WifiNetworkConfig wifiNetworkConfig = ((WifiNetworkConfig.Retriever) getActivity())
+                .getWifiNetworkConfig();
+        if (!WifiNetworkConfig.isValidConfig(wifiNetworkConfig)) {
+            throw new IllegalArgumentException("Invalid Wi-Fi network for configuring");
+        }
+        setTitle(getString(R.string.wifi_dpp_share_wifi));
+        setDescription(getString(R.string.wifi_dpp_scan_qr_code_with_another_device,
+                wifiNetworkConfig.getSsid()));
+
+        setHasOptionsMenu(true);
+        ActionBar actionBar = getActivity().getActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+            actionBar.show();
+        }
+    }
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+
+        mListener = (OnQrCodeGeneratorFragmentAddButtonClickedListener) context;
+    }
+
+    @Override
+    public void onDetach() {
+        mListener = null;
+
+        super.onDetach();
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        MenuItem item = menu.add(0, Menu.FIRST, 0, R.string.next_label);
+        item.setIcon(R.drawable.ic_menu_add);
+        item.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
+
+        super.onCreateOptionsMenu(menu, inflater);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem menuItem) {
+        switch (menuItem.getItemId()) {
+            case Menu.FIRST:
+                mListener.onQrCodeGeneratorFragmentAddButtonClicked();
+                return true;
+            default:
+                return super.onOptionsItemSelected(menuItem);
+        }
     }
 }
diff --git a/src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragment.java b/src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragment.java
index 70dade5..5689c56 100644
--- a/src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragment.java
+++ b/src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragment.java
@@ -17,12 +17,15 @@
 package com.android.settings.wifi.dpp;
 
 import android.annotation.Nullable;
+import android.app.ActionBar;
 import android.app.Activity;
+import android.content.Context;
 import android.content.Intent;
 import android.graphics.Rect;
 import android.os.Bundle;
-import android.text.TextUtils;
 import android.util.Size;
+import android.view.Menu;
+import android.view.MenuInflater;
 import android.view.SurfaceHolder;
 import android.view.SurfaceView;
 import android.view.View;
@@ -38,32 +41,60 @@
     private SurfaceView mSurfaceView;
     private QrDecorateView mDecorateView;
 
+    /** true if the fragment working for configurator, false enrollee*/
+    private final boolean mConfiguratorMode;
+
+    /** The SSID of the Wi-Fi network which the user specify to enroll */
+    private String mSsid;
+
     @Override
     protected int getLayout() {
         return R.layout.wifi_dpp_qrcode_scanner_fragment;
     }
 
+    /**
+     * Configurator container activity of the fragment should create instance with this constructor.
+     */
+    public WifiDppQrCodeScannerFragment() {
+        super();
+
+        mConfiguratorMode = true;
+    }
+
+    /**
+     * Enrollee container activity of the fragment should create instance with this constructor and
+     * specify the SSID string of the WI-Fi network to be provisioned.
+     */
+    public WifiDppQrCodeScannerFragment(String ssid) {
+        super();
+
+        mConfiguratorMode = false;
+        mSsid = ssid;
+    }
+
     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
 
-        setTitle(getString(R.string.wifi_dpp_add_device_to_network));
+        if (mConfiguratorMode) {
+            setTitle(getString(R.string.wifi_dpp_add_device_to_network));
 
-        WifiNetworkConfig wifiNetworkConfig = ((WifiNetworkConfig.Retriever) getActivity())
+            WifiNetworkConfig wifiNetworkConfig = ((WifiNetworkConfig.Retriever) getActivity())
                 .getWifiNetworkConfig();
-        if (!WifiNetworkConfig.isValidConfig(wifiNetworkConfig)) {
-            throw new IllegalArgumentException("Invalid Wi-Fi network for configuring");
+            if (!WifiNetworkConfig.isValidConfig(wifiNetworkConfig)) {
+                throw new IllegalArgumentException("Invalid Wi-Fi network for configuring");
+            }
+            setDescription(getString(R.string.wifi_dpp_center_qr_code, wifiNetworkConfig.getSsid()));
+        } else {
+            setTitle(getString(R.string.wifi_dpp_scan_qr_code));
+            setDescription(getString(R.string.wifi_dpp_scan_qr_code_join_network, mSsid));
         }
-        setDescription(getString(R.string.wifi_dpp_center_qr_code, wifiNetworkConfig.getSsid()));
 
-        hideRightButton();
-
-        setLeftButtonText(getString(android.R.string.cancel));
-
-        setLeftButtonOnClickListener((view) -> {
-            getActivity().setResult(Activity.RESULT_CANCELED);
-            getActivity().finish();
-        });
+        ActionBar actionBar = getActivity().getActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+            actionBar.show();
+        }
     }
 
     @Override
@@ -79,6 +110,21 @@
     }
 
     @Override
+    public void onDestroyView() {
+        SurfaceHolder surfaceHolder = mSurfaceView.getHolder();
+        surfaceHolder.removeCallback(this);
+
+        super.onDestroyView();
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        menu.removeItem(Menu.FIRST);
+
+        super.onCreateOptionsMenu(menu, inflater);
+    }
+
+    @Override
     public void surfaceCreated(final SurfaceHolder holder) {
         initCamera(holder);
     }
diff --git a/src/com/android/settings/wifi/dpp/WifiDppUtils.java b/src/com/android/settings/wifi/dpp/WifiDppUtils.java
index 70ef3a8..dc0ff84 100644
--- a/src/com/android/settings/wifi/dpp/WifiDppUtils.java
+++ b/src/com/android/settings/wifi/dpp/WifiDppUtils.java
@@ -16,12 +16,36 @@
 
 package com.android.settings.wifi.dpp;
 
+import android.content.Context;
 import android.content.Intent;
+import android.text.TextUtils;
+import android.util.FeatureFlagUtils;
 
 /**
  * Here are the items shared by both WifiDppConfiguratorActivity & WifiDppEnrolleeActivity
  */
 public class WifiDppUtils {
+    /**
+     * The fragment tag specified to FragmentManager for container activities to manage fragments.
+     */
+    public static final String TAG_FRAGMENT_QR_CODE_SCANNER = "qr_code_scanner_fragment";
+
+    /**
+     * @see #TAG_FRAGMENT_QR_CODE_SCANNER
+     */
+    public static final String TAG_FRAGMENT_QR_CODE_GENERATOR = "qr_code_generator_fragment";
+
+    /**
+     * @see #TAG_FRAGMENT_QR_CODE_SCANNER
+     */
+    public static final String TAG_FRAGMENT_CHOOSE_SAVED_WIFI_NETWORK =
+            "choose_saved_wifi_network_fragment";
+
+    /**
+     * @see #TAG_FRAGMENT_QR_CODE_SCANNER
+     */
+    public static final String TAG_FRAGMENT_ADD_DEVICE = "add_device_fragment";
+
     /** The data is from {@code com.android.settingslib.wifi.AccessPoint.securityToString} */
     public static final String EXTRA_WIFI_SECURITY = "security";
 
@@ -54,4 +78,46 @@
      * H         true       Optional. True if the network SSID is hidden.
      */
     public static final String EXTRA_QR_CODE = "qrCode";
+
+    /**
+     * Returns whether the user can share the network represented by this preference with QR code.
+     */
+    public static boolean isSharingNetworkEnabled(Context context) {
+        return FeatureFlagUtils.isEnabled(context,
+                com.android.settings.core.FeatureFlags.WIFI_SHARING);
+    }
+
+    /**
+     * Returns an intent to launch QR code scanner.
+     *
+     * @param ssid The data corresponding to {@code WifiConfiguration} SSID
+     * @return Intent for launching QR code scanner
+     */
+    public static Intent getConfiguratorQRCodeScannerIntent(String ssid) {
+        final Intent intent = new Intent(
+                WifiDppConfiguratorActivity.ACTION_CONFIGURATOR_QR_CODE_SCANNER);
+        if (!TextUtils.isEmpty(ssid)) {
+            intent.putExtra(EXTRA_WIFI_SSID, ssid);
+        }
+        return intent;
+    }
+
+    /**
+     * Returns an intent to launch QR code generator.
+     *
+     * @param ssid     The data corresponding to {@code WifiConfiguration} SSID
+     * @param Security The data is from {@code AccessPoint.securityToString}
+     * @return Intent for launching QR code generator
+     */
+    public static Intent getConfiguratorQRCodeGeneratorIntent(String ssid, String Security) {
+        final Intent intent = new Intent(
+                WifiDppConfiguratorActivity.ACTION_CONFIGURATOR_QR_CODE_GENERATOR);
+        if (!TextUtils.isEmpty(ssid)) {
+            intent.putExtra(EXTRA_WIFI_SSID, ssid);
+        }
+        if (!TextUtils.isEmpty(Security)) {
+            intent.putExtra(EXTRA_WIFI_SECURITY, Security);
+        }
+        return intent;
+    }
 }
diff --git a/tests/robotests/res/layout-mcc999/fingerprint_enroll_find_sensor.xml b/tests/robotests/res/layout-mcc999/fingerprint_enroll_find_sensor.xml
index cedf5b9..50e2a37 100644
--- a/tests/robotests/res/layout-mcc999/fingerprint_enroll_find_sensor.xml
+++ b/tests/robotests/res/layout-mcc999/fingerprint_enroll_find_sensor.xml
@@ -15,14 +15,14 @@
     limitations under the License.
 -->
 
-<com.android.setupwizardlib.GlifLayout
+<com.google.android.setupdesign.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/setup_wizard_layout"
     style="?attr/fingerprint_layout_theme"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:suwFooter="@layout/fingerprint_enroll_find_sensor_base_footer">
+    app:sucFooter="@layout/fingerprint_enroll_find_sensor_base_footer">
 
     <FrameLayout
         android:layout_width="match_parent"
@@ -77,4 +77,4 @@
 
         </LinearLayout>
     </FrameLayout>
-</com.android.setupwizardlib.GlifLayout>
+</com.google.android.setupdesign.GlifLayout>
diff --git a/tests/robotests/src/com/android/settings/SetupWizardUtilsTest.java b/tests/robotests/src/com/android/settings/SetupWizardUtilsTest.java
index beabd15..6220ac1 100644
--- a/tests/robotests/src/com/android/settings/SetupWizardUtilsTest.java
+++ b/tests/robotests/src/com/android/settings/SetupWizardUtilsTest.java
@@ -22,7 +22,9 @@
 import android.os.SystemProperties;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
-import com.android.setupwizardlib.util.WizardManagerHelper;
+
+import com.google.android.setupcompat.util.WizardManagerHelper;
+import com.google.android.setupdesign.util.ThemeHelper;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -47,9 +49,9 @@
     @Test
     public void testGetTheme_withIntentExtra_shouldReturnExtraTheme() {
         SystemProperties.set(SetupWizardUtils.SYSTEM_PROP_SETUPWIZARD_THEME,
-                WizardManagerHelper.THEME_GLIF);
+            ThemeHelper.THEME_GLIF);
         Intent intent = new Intent();
-        intent.putExtra(WizardManagerHelper.EXTRA_THEME, WizardManagerHelper.THEME_GLIF_V2);
+        intent.putExtra(WizardManagerHelper.EXTRA_THEME, ThemeHelper.THEME_GLIF_V2);
 
         assertThat(SetupWizardUtils.getTheme(intent)).isEqualTo(R.style.GlifV2Theme);
     }
@@ -57,7 +59,7 @@
     @Test
     public void testGetTheme_withEmptyIntent_shouldReturnSystemProperty() {
         SystemProperties.set(SetupWizardUtils.SYSTEM_PROP_SETUPWIZARD_THEME,
-                WizardManagerHelper.THEME_GLIF_V2_LIGHT);
+            ThemeHelper.THEME_GLIF_V2_LIGHT);
         Intent intent = new Intent();
 
         assertThat(SetupWizardUtils.getTheme(intent)).isEqualTo(R.style.GlifV2Theme_Light);
@@ -66,7 +68,7 @@
     @Test
     public void testGetTheme_glifV3Light_shouldReturnThemeResource() {
         SystemProperties.set(SetupWizardUtils.SYSTEM_PROP_SETUPWIZARD_THEME,
-                WizardManagerHelper.THEME_GLIF_V3_LIGHT);
+            ThemeHelper.THEME_GLIF_V3_LIGHT);
         Intent intent = new Intent();
 
         assertThat(SetupWizardUtils.getTheme(intent)).isEqualTo(R.style.GlifV3Theme_Light);
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/RolesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/RolesPreferenceControllerTest.java
new file mode 100644
index 0000000..0946f37
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/RolesPreferenceControllerTest.java
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.defaultapps;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.provider.Settings;
+
+import androidx.preference.Preference;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class RolesPreferenceControllerTest {
+
+    private static final String PREFERENCE_KEY = "roles";
+    private static final String DIFFERENT_PREFERENCE_KEY = "different";
+    private static final String PERMISSION_CONTROLLER_PACKAGE_NAME =
+            "com.android.permissioncontroller";
+
+    @Mock
+    private Context mContext;
+    @Mock
+    private PackageManager mPackageManager;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mContext.getPackageManager()).thenReturn(mPackageManager);
+    }
+
+    @Test
+    public void getAvailabilityStatus_noPermissionController_shouldReturnUnsupportedOnDevice() {
+        when(mPackageManager.getPermissionControllerPackageName()).thenReturn(null);
+        RolesPreferenceController controller = new RolesPreferenceController(mContext,
+                PREFERENCE_KEY);
+
+        assertThat(controller.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.UNSUPPORTED_ON_DEVICE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_hasPermissionController_shouldReturnAvailableUnsearchable() {
+        when(mPackageManager.getPermissionControllerPackageName())
+                .thenReturn(PERMISSION_CONTROLLER_PACKAGE_NAME);
+        RolesPreferenceController controller = new RolesPreferenceController(mContext,
+                PREFERENCE_KEY);
+
+        assertThat(controller.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.AVAILABLE_UNSEARCHABLE);
+    }
+
+    @Test
+    public void handlePreferenceTreeClick_differentKey_shouldReturnFalse() {
+        when(mPackageManager.getPermissionControllerPackageName())
+                .thenReturn(PERMISSION_CONTROLLER_PACKAGE_NAME);
+        RolesPreferenceController controller = new RolesPreferenceController(mContext,
+                PREFERENCE_KEY);
+        Preference preference = mock(Preference.class);
+        when(preference.getKey()).thenReturn(DIFFERENT_PREFERENCE_KEY);
+
+        assertThat(controller.handlePreferenceTreeClick(preference)).isFalse();
+    }
+
+    @Test
+    public void handlePreferenceTreeClick_sameKey_shouldReturnTrue() {
+        when(mPackageManager.getPermissionControllerPackageName())
+                .thenReturn(PERMISSION_CONTROLLER_PACKAGE_NAME);
+        RolesPreferenceController controller = new RolesPreferenceController(mContext,
+                PREFERENCE_KEY);
+        Preference preference = mock(Preference.class);
+        when(preference.getKey()).thenReturn(PREFERENCE_KEY);
+
+        assertThat(controller.handlePreferenceTreeClick(preference)).isTrue();
+    }
+
+    @Test
+    public void handlePreferenceTreeClick_noPermissionController_shouldNotStartActivity() {
+        when(mPackageManager.getPermissionControllerPackageName()).thenReturn(null);
+        RolesPreferenceController controller = new RolesPreferenceController(mContext,
+                PREFERENCE_KEY);
+        Preference preference = mock(Preference.class);
+        when(preference.getKey()).thenReturn(PREFERENCE_KEY);
+        controller.handlePreferenceTreeClick(preference);
+
+        verify(mContext, never()).startActivity(any(Intent.class));
+    }
+
+    @Test
+    public void handlePreferenceTreeClick_hasPermissionController_shouldStartActivityWithIntent() {
+        when(mPackageManager.getPermissionControllerPackageName())
+                .thenReturn(PERMISSION_CONTROLLER_PACKAGE_NAME);
+        RolesPreferenceController controller = new RolesPreferenceController(mContext,
+                PREFERENCE_KEY);
+        Preference preference = mock(Preference.class);
+        when(preference.getKey()).thenReturn(PREFERENCE_KEY);
+        controller.handlePreferenceTreeClick(preference);
+        ArgumentCaptor<Intent> intent = ArgumentCaptor.forClass(Intent.class);
+
+        verify(mContext).startActivity(intent.capture());
+        assertThat(intent.getValue().getAction())
+                .isEqualTo(Settings.ACTION_MANAGE_DEFAULT_APPS_SETTINGS);
+        assertThat(intent.getValue().getPackage()).isEqualTo(PERMISSION_CONTROLLER_PACKAGE_NAME);
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/password/ChooseLockPasswordTest.java b/tests/robotests/src/com/android/settings/password/ChooseLockPasswordTest.java
index fd44e4f..6e3e429 100644
--- a/tests/robotests/src/com/android/settings/password/ChooseLockPasswordTest.java
+++ b/tests/robotests/src/com/android/settings/password/ChooseLockPasswordTest.java
@@ -32,7 +32,8 @@
 import com.android.settings.testutils.shadow.SettingsShadowResources;
 import com.android.settings.testutils.shadow.SettingsShadowResourcesImpl;
 import com.android.settings.testutils.shadow.ShadowUtils;
-import com.android.setupwizardlib.GlifLayout;
+
+import com.google.android.setupdesign.GlifLayout;
 
 import org.junit.After;
 import org.junit.Before;
diff --git a/tests/robotests/src/com/android/settings/password/ChooseLockPatternTest.java b/tests/robotests/src/com/android/settings/password/ChooseLockPatternTest.java
index ab7f795..352e2c4 100644
--- a/tests/robotests/src/com/android/settings/password/ChooseLockPatternTest.java
+++ b/tests/robotests/src/com/android/settings/password/ChooseLockPatternTest.java
@@ -32,7 +32,8 @@
 import com.android.settings.testutils.shadow.SettingsShadowResourcesImpl;
 import com.android.settings.testutils.shadow.ShadowUtils;
 import com.android.settingslib.testutils.DrawableTestHelper;
-import com.android.setupwizardlib.GlifLayout;
+
+import com.google.android.setupdesign.GlifLayout;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/tests/robotests/src/com/android/settings/password/ChooseLockSettingsHelperTest.java b/tests/robotests/src/com/android/settings/password/ChooseLockSettingsHelperTest.java
index e3f3833..12b0ebf 100644
--- a/tests/robotests/src/com/android/settings/password/ChooseLockSettingsHelperTest.java
+++ b/tests/robotests/src/com/android/settings/password/ChooseLockSettingsHelperTest.java
@@ -19,7 +19,9 @@
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.ShadowUserManager;
 import com.android.settings.testutils.shadow.ShadowUtils;
-import com.android.setupwizardlib.util.WizardManagerHelper;
+
+import com.google.android.setupcompat.util.WizardManagerHelper;
+import com.google.android.setupdesign.util.ThemeHelper;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -109,7 +111,7 @@
     @Test
     public void testLaunchConfirmationActivity_internal_shouldPropagateTheme() {
         Intent intent = new Intent()
-                .putExtra(WizardManagerHelper.EXTRA_THEME, WizardManagerHelper.THEME_GLIF_V2);
+                .putExtra(WizardManagerHelper.EXTRA_THEME, ThemeHelper.THEME_GLIF_V2);
         Activity activity = Robolectric.buildActivity(Activity.class, intent).get();
         ChooseLockSettingsHelper helper = getChooseLockSettingsHelper(activity);
         helper.launchConfirmationActivity(123, "test title", true, 0 /* userId */);
@@ -118,7 +120,7 @@
         IntentForResult startedActivity = shadowActivity.getNextStartedActivityForResult();
         assertThat(startedActivity.requestCode).isEqualTo(123);
         assertThat(startedActivity.intent.getStringExtra(WizardManagerHelper.EXTRA_THEME))
-                .isEqualTo(WizardManagerHelper.THEME_GLIF_V2);
+                .isEqualTo(ThemeHelper.THEME_GLIF_V2);
     }
 
     private ChooseLockSettingsHelper getChooseLockSettingsHelper(Activity activity) {
diff --git a/tests/robotests/src/com/android/settings/testutils/SettingsRobolectricTestRunner.java b/tests/robotests/src/com/android/settings/testutils/SettingsRobolectricTestRunner.java
index 74914f4..6a17795 100644
--- a/tests/robotests/src/com/android/settings/testutils/SettingsRobolectricTestRunner.java
+++ b/tests/robotests/src/com/android/settings/testutils/SettingsRobolectricTestRunner.java
@@ -72,9 +72,9 @@
     public static void addIncludedResourcePaths(List<ResourcePath> paths) {
         try {
             paths.add(new ResourcePath(null,
-                Fs.fromURL(new URL("file:packages/apps/Settings/res")), null));
+                    Fs.fromURL(new URL("file:packages/apps/Settings/res")), null));
             paths.add(new ResourcePath(null,
-                Fs.fromURL(new URL("file:frameworks/base/packages/SettingsLib/res")), null));
+                    Fs.fromURL(new URL("file:frameworks/base/packages/SettingsLib/res")), null));
             paths.add(new ResourcePath(null,
                     Fs.fromURL(new URL("file:frameworks/base/packages/SettingsLib/AppPreference/res/")), null));
             paths.add(new ResourcePath(null,
@@ -88,21 +88,19 @@
             paths.add(new ResourcePath(null,
                     Fs.fromURL(new URL("file:frameworks/base/packages/SettingsLib/SettingsLayoutPreference/res")), null));
             paths.add(new ResourcePath(null,
-                Fs.fromURL(new URL("file:frameworks/base/core/res/res")), null));
+                    Fs.fromURL(new URL("file:frameworks/base/core/res/res")), null));
             paths.add(new ResourcePath(null,
-                Fs.fromURL(new URL("file:frameworks/opt/setupwizard/library/main/res")), null));
+                    Fs.fromURL(new URL("file:external/setupcompat/main/res")), null));
+            paths.add(new ResourcePath(null,
+                    Fs.fromURL(new URL("file:external/setupdesign/main/res")), null));
             paths.add(new ResourcePath(null,
                     Fs.fromURL(new URL("file:out/target/common/obj/JAVA_LIBRARIES/robolectric_android-all-stub_intermediates/classes/raw-res/res")), null));
             paths.add(new ResourcePath(null,
-                Fs.fromURL(new URL("file:frameworks/opt/setupwizard/library/gingerbread/res")), null));
+                    Fs.fromURL(new URL("file:out/soong/.intermediates/prebuilts/sdk/current/androidx/androidx.appcompat_appcompat-nodeps/android_common/aar/res/")), null));
             paths.add(new ResourcePath(null,
-                Fs.fromURL(new URL("file:frameworks/opt/setupwizard/library/recyclerview/res")), null));
+                    Fs.fromURL(new URL("file:out/soong/.intermediates/prebuilts/sdk/current/extras/material-design-x/com.google.android.material_material-nodeps/android_common/aar/res/")), null));
             paths.add(new ResourcePath(null,
-                Fs.fromURL(new URL("file:out/soong/.intermediates/prebuilts/sdk/current/androidx/androidx.appcompat_appcompat-nodeps/android_common/aar/res/")), null));
-            paths.add(new ResourcePath(null,
-                Fs.fromURL(new URL("file:out/soong/.intermediates/prebuilts/sdk/current/extras/material-design-x/com.google.android.material_material-nodeps/android_common/aar/res/")), null));
-            paths.add(new ResourcePath(null,
-                Fs.fromURL(new URL("file:out/soong/.intermediates/prebuilts/sdk/current/androidx/androidx.cardview_cardview-nodeps/android_common/aar/res")), null));
+                    Fs.fromURL(new URL("file:out/soong/.intermediates/prebuilts/sdk/current/androidx/androidx.cardview_cardview-nodeps/android_common/aar/res")), null));
             paths.add(new ResourcePath(null,
                     Fs.fromURL(new URL("file:out/soong/.intermediates/prebuilts/sdk/current/androidx/androidx.slice_slice-view-nodeps/android_common/aar/res")), null));
             paths.add(new ResourcePath(null,
diff --git a/tests/robotests/src/com/android/settings/wifi/ButtonPreferenceTest.java b/tests/robotests/src/com/android/settings/wifi/ButtonPreferenceTest.java
new file mode 100644
index 0000000..3dc109f
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/wifi/ButtonPreferenceTest.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.wifi;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.view.View;
+import android.widget.ImageButton;
+
+import com.android.settings.R;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import androidx.preference.PreferenceViewHolder;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class ButtonPreferenceTest {
+
+    private Context mContext;
+    private View mRootView;
+    private ButtonPreference mPref;
+    private PreferenceViewHolder mHolder;
+    private boolean mClicked;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = RuntimeEnvironment.application;
+        mPref = new ButtonPreference(mContext);
+        mRootView = View.inflate(mContext, R.layout.wifi_button_preference_widget, /* parent */
+                null);
+        mHolder = PreferenceViewHolder.createInstanceForTests(mRootView);
+    }
+
+    @Test
+    public void initButton_noIcon_shouldInvisible() {
+        mPref.initButton(mHolder);
+        assertThat(mRootView.findViewById(R.id.button_icon).getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void initButton_withIcon_shouldVisible() {
+        mPref.setButtonIcon(R.drawable.ic_qrcode_24dp);
+        mPref.initButton(mHolder);
+        assertThat(mRootView.findViewById(R.id.button_icon).getVisibility()).isEqualTo(
+                View.VISIBLE);
+    }
+
+    @Test
+    public void initButton_whenClick_shouldCallback() {
+        mClicked = false;
+        mPref.setButtonIcon(R.drawable.ic_qrcode_24dp);
+        mPref.setButtonOnClickListener((View v) -> {
+            mClicked = true;
+        });
+        mPref.initButton(mHolder);
+        ImageButton button = (ImageButton) mRootView.findViewById(R.id.button_icon);
+        button.performClick();
+        assertThat(mClicked).isTrue();
+    }
+}
diff --git a/tests/unit/src/com/android/settings/wifi/dpp/WifiDppConfiguratorActivityTest.java b/tests/unit/src/com/android/settings/wifi/dpp/WifiDppConfiguratorActivityTest.java
index 70e9587..2f95fa5 100644
--- a/tests/unit/src/com/android/settings/wifi/dpp/WifiDppConfiguratorActivityTest.java
+++ b/tests/unit/src/com/android/settings/wifi/dpp/WifiDppConfiguratorActivityTest.java
@@ -73,4 +73,12 @@
 
         assertThat(activity instanceof WifiNetworkConfig.Retriever).isEqualTo(true);
     }
+
+    @Test
+    public void testActivity_shouldImplementsQrCodeGeneratorFragmentCallback() {
+        WifiDppConfiguratorActivity activity = mActivityRule.getActivity();
+
+        assertThat(activity instanceof WifiDppQrCodeGeneratorFragment
+                .OnQrCodeGeneratorFragmentAddButtonClickedListener).isEqualTo(true);
+    }
 }
diff --git a/tests/unit/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragmentTest.java b/tests/unit/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragmentTest.java
new file mode 100644
index 0000000..d3f667f
--- /dev/null
+++ b/tests/unit/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragmentTest.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.wifi.dpp;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.support.test.rule.ActivityTestRule;
+import android.support.test.runner.AndroidJUnit4;
+
+import com.android.settings.R;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class WifiDppQrCodeGeneratorFragmentTest {
+    @Rule
+    public final ActivityTestRule<WifiDppConfiguratorActivity> mActivityRule =
+            new ActivityTestRule<>(WifiDppConfiguratorActivity.class, true);
+
+    @Before
+    public void setUp() {
+        Intent intent =
+                new Intent(WifiDppConfiguratorActivity.ACTION_CONFIGURATOR_QR_CODE_GENERATOR);
+        intent.putExtra(WifiDppUtils.EXTRA_WIFI_SECURITY, "WEP");
+        intent.putExtra(WifiDppUtils.EXTRA_WIFI_SSID, "GoogleGuest");
+        mActivityRule.launchActivity(intent);
+    }
+
+    @Test
+    public void rotateScreen_shouldNotCrash() {
+        mActivityRule.getActivity().setRequestedOrientation(
+                ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
+        mActivityRule.getActivity().setRequestedOrientation(
+                ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+    }
+}
diff --git a/tests/unit/src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragmentTest.java b/tests/unit/src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragmentTest.java
index 98742ed..70cfc2d 100644
--- a/tests/unit/src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragmentTest.java
+++ b/tests/unit/src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragmentTest.java
@@ -16,12 +16,6 @@
 
 package com.android.settings.wifi.dpp;
 
-import static android.support.test.espresso.action.ViewActions.click;
-import static android.support.test.espresso.matcher.ViewMatchers.withText;
-import static android.support.test.espresso.Espresso.onView;
-
-import static com.google.common.truth.Truth.assertThat;
-
 import android.app.Activity;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;