Fine tune UI layout files of WifiDppQrCodeScannerFragment &
WifiDppQrCodeGeneratorFragment

    1. Remove footer in landscape QR code scanner fragment
    2. Move header icon from activity layout file to header layout file
    3. Fine tune header layout file
    4. set icons for the 2 fragments

Bug: 118797380
Bug: 118794858
Test: atest WifiDppConfiguratorActivityTest
      atest WifiDppQrCodeScannerFragmentTest
      atest WifiDppQrCodeGeneratorFragmentTest
      atest RunSettingsRoboTests

Change-Id: I7e547d7c29dd947a890e902e61b8244fec399354
diff --git a/res/layout-land/wifi_dpp_qrcode_scanner_fragment.xml b/res/layout-land/wifi_dpp_qrcode_scanner_fragment.xml
index 0c938f8..e2df31c 100644
--- a/res/layout-land/wifi_dpp_qrcode_scanner_fragment.xml
+++ b/res/layout-land/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/layout/wifi_dpp_activity.xml b/res/layout/wifi_dpp_activity.xml
index a833dcc..cb82f66 100644
--- a/res/layout/wifi_dpp_activity.xml
+++ b/res/layout/wifi_dpp_activity.xml
@@ -22,12 +22,6 @@
     android:layout_height="match_parent"
     android:orientation="vertical">
 
-    <ImageView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:src="@drawable/ic_wifi_signal_4"
-        android:layout_gravity="center"/>
-
     <LinearLayout
         android:id="@+id/fragment_container"
         android:layout_width="match_parent"
diff --git a/res/layout/wifi_dpp_fragment_header.xml b/res/layout/wifi_dpp_fragment_header.xml
index 99b246f..266a3e8 100644
--- a/res/layout/wifi_dpp_fragment_header.xml
+++ b/res/layout/wifi_dpp_fragment_header.xml
@@ -17,18 +17,42 @@
 
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
+    style="@style/EntityHeader"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:orientation="vertical">
+    android:layout_centerHorizontal="true"
+    android:gravity="center_horizontal"
+    android:orientation="vertical"
+    android:paddingStart="16dp"
+    android:paddingEnd="16dp">
 
-    <TextView android:id="@+id/title"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"/>
+    <ImageView
+        android:id="@+id/header_icon"
+        android:layout_width="48dp"
+        android:layout_height="48dp"
+        android:scaleType="fitCenter"/>
 
-    <TextView android:id="@+id/description"
-        android:layout_width="wrap_content"
+    <TextView
+        android:id="@+id/title"
+        style="@style/TextAppearance.EntityHeaderTitle"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_gravity="center"/>
+        android:gravity="center_horizontal"
+        android:textAlignment="center"
+        android:layout_marginTop="8dp"
+        android:paddingStart="32dp"
+        android:paddingEnd="32dp"/>
+
+    <TextView
+        android:id="@+id/description"
+        style="@style/TextAppearance.EntityHeaderSummary"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:singleLine="false"
+        android:gravity="center_horizontal"
+        android:textAlignment="center"
+        android:layout_marginTop="2dp"
+        android:paddingStart="32dp"
+        android:paddingEnd="32dp"/>
 
 </LinearLayout>
diff --git a/src/com/android/settings/wifi/dpp/WifiDppQrCodeBaseFragment.java b/src/com/android/settings/wifi/dpp/WifiDppQrCodeBaseFragment.java
index cddd55c..5257178 100644
--- a/src/com/android/settings/wifi/dpp/WifiDppQrCodeBaseFragment.java
+++ b/src/com/android/settings/wifi/dpp/WifiDppQrCodeBaseFragment.java
@@ -47,6 +47,7 @@
  * {@code WifiDppAddDeviceFragment}
  */
 public abstract class WifiDppQrCodeBaseFragment extends InstrumentedFragment {
+    private ImageView mHeaderIcon;
     private TextView mTitle;
     private TextView mDescription;
 
@@ -89,6 +90,7 @@
     }
 
     private void initView(View view) {
+        mHeaderIcon = view.findViewById(R.id.header_icon);
         mTitle = view.findViewById(R.id.title);
         mDescription = view.findViewById(R.id.description);
 
@@ -108,6 +110,10 @@
         mButtonRight = view.findViewById(R.id.button_right);
     }
 
+    protected void setHeaderIconImageResource(int resId) {
+        mHeaderIcon.setImageResource(resId);
+    }
+
     protected void setTitle(String title) {
         mTitle.setText(title);
     }
diff --git a/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragment.java b/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragment.java
index b064253..6358e06 100644
--- a/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragment.java
+++ b/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragment.java
@@ -45,6 +45,7 @@
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
 
+        setHeaderIconImageResource(R.drawable.ic_qrcode_24dp);
         WifiNetworkConfig wifiNetworkConfig = ((WifiNetworkConfig.Retriever) getActivity())
                 .getWifiNetworkConfig();
         if (!WifiNetworkConfig.isValidConfig(wifiNetworkConfig)) {
@@ -79,7 +80,7 @@
     @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.setIcon(R.drawable.ic_scan_24dp);
         item.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
 
         super.onCreateOptionsMenu(menu, inflater);
diff --git a/src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragment.java b/src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragment.java
index 5689c56..a555d5f 100644
--- a/src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragment.java
+++ b/src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragment.java
@@ -76,6 +76,8 @@
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
 
+        setHeaderIconImageResource(R.drawable.ic_scan_24dp);
+
         if (mConfiguratorMode) {
             setTitle(getString(R.string.wifi_dpp_add_device_to_network));