Add ability to show/hide different device information.

This introduces 3 boolean flags:

config_show_device_model
config_show_wifi_ip_address
config_show_wifi_mac_address

Which when set to false will hide their individual panes from "About
Phone" page.

Bug: 62414913
Test: make RunSettingsRoboTests
ROBOTEST_FILTER=com.android.settings.deviceinfo
Change-Id: Iaaf91ef41c9ec7b5bf233344e6a48d4b87fad291
diff --git a/res/values/bools.xml b/res/values/bools.xml
index ab8a6fd..617ab7b 100644
--- a/res/values/bools.xml
+++ b/res/values/bools.xml
@@ -158,4 +158,13 @@
 
     <!-- Whether system_update_settings should be shown or not. -->
     <bool name="config_show_system_update_settings">true</bool>
+
+    <!-- Whether device_model should be shown or not. -->
+    <bool name="config_show_device_model">true</bool>
+
+    <!-- Whether wifi_ip_address should be shown or not. -->
+    <bool name="config_show_wifi_ip_address">true</bool>
+
+    <!-- Whether wifi_mac_address should be shown or not. -->
+    <bool name="config_show_wifi_mac_address">true</bool>
 </resources>
diff --git a/src/com/android/settings/deviceinfo/DeviceModelPreferenceController.java b/src/com/android/settings/deviceinfo/DeviceModelPreferenceController.java
index ee069da..831c630 100644
--- a/src/com/android/settings/deviceinfo/DeviceModelPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/DeviceModelPreferenceController.java
@@ -41,7 +41,7 @@
 
     @Override
     public boolean isAvailable() {
-        return true;
+        return mContext.getResources().getBoolean(R.bool.config_show_device_model);
     }
 
     @Override
diff --git a/src/com/android/settings/deviceinfo/IpAddressPreferenceController.java b/src/com/android/settings/deviceinfo/IpAddressPreferenceController.java
index f4e2f8c..1af6397 100644
--- a/src/com/android/settings/deviceinfo/IpAddressPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/IpAddressPreferenceController.java
@@ -19,6 +19,8 @@
 import android.content.Context;
 
 import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settings.R;
+
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.deviceinfo.AbstractIpAddressPreferenceController;
 
@@ -31,5 +33,10 @@
         super(context, lifecycle);
     }
 
+    @Override
+    public boolean isAvailable() {
+        return mContext.getResources().getBoolean(R.bool.config_show_wifi_ip_address);
+    }
+
     // This space intentionally left blank
 }
diff --git a/src/com/android/settings/deviceinfo/WifiMacAddressPreferenceController.java b/src/com/android/settings/deviceinfo/WifiMacAddressPreferenceController.java
index 92390d7..8375310 100644
--- a/src/com/android/settings/deviceinfo/WifiMacAddressPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/WifiMacAddressPreferenceController.java
@@ -19,6 +19,7 @@
 import android.content.Context;
 
 import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settings.R;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.deviceinfo.AbstractWifiMacAddressPreferenceController;
 
@@ -31,5 +32,10 @@
         super(context, lifecycle);
     }
 
+    @Override
+    public boolean isAvailable() {
+        return mContext.getResources().getBoolean(R.bool.config_show_wifi_mac_address);
+    }
+
     // This space intentionally left blank
 }
diff --git a/tests/robotests/res/values-mcc999/config.xml b/tests/robotests/res/values-mcc999/config.xml
index e755f27..137a089 100644
--- a/tests/robotests/res/values-mcc999/config.xml
+++ b/tests/robotests/res/values-mcc999/config.xml
@@ -57,4 +57,7 @@
     <bool name="config_show_color_inversion_preference">false</bool>
     <bool name="config_show_system_update_settings">false</bool>
     <bool name="config_wifi_support_connected_mac_randomization">false</bool>
+    <bool name="config_show_device_model">false</bool>
+    <bool name="config_show_wifi_ip_address">false</bool>
+    <bool name="config_show_wifi_mac_address">false</bool>
 </resources>
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/DeviceModelPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/DeviceModelPreferenceControllerTest.java
index 6a5c7fa..47bcf1c 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/DeviceModelPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/DeviceModelPreferenceControllerTest.java
@@ -69,11 +69,17 @@
     }
 
     @Test
-    public void isAlwaysAvailable() {
+    public void isAvailable_returnTrueIfVisible() {
         assertThat(mController.isAvailable()).isTrue();
     }
 
     @Test
+    @Config(qualifiers = "mcc999")
+    public void isAvailable_returnFalseIfNotVisible() {
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
     public void displayPref_shouldSetSummary() {
         mController.displayPreference(mPreferenceScreen);