Add Extra App Info into Settings App UI.

Bug: b/174956516
Test: Settings -> Apps -> APP -> Extra App Info
Change-Id: Id978fb3569579f54b8399156d52c2ddeceb9bb91

res/values/strings.xml

@@ -12805,4 +12805,7 @@
     <string name="enable_2g_title">Allow 2G</string>
     <!-- Title for toggle if user wants to enable 2G [CHAR LIMIT=NONE] -->
     <string name="enable_2g_summary">Use 2G cellular connections. For emergency calls, 2G is always turned on.</string>
+
+    <!-- Label for extra app info settings for a specific app [CHAR LIMIT=40] -->
+    <string name="extra_app_info_label" translatable="false"></string>
 </resources>

res/xml/app_info_settings_v2.xml

@@ -80,6 +80,11 @@
         android:summary="@string/summary_placeholder"
         settings:controller="com.android.settings.applications.appinfo.AppDataUsagePreferenceController" />
 
+    <Preference
+        android:key="extra_app_info_settings"
+        android:title="@string/extra_app_info_label"
+        settings:controller="com.android.settings.applications.appinfo.ExtraAppInfoPreferenceController" />
+
     <Preference
         android:key="time_spent_in_app"
         android:title="@string/time_spent_in_app_pref_title"

src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java

@@ -166,6 +166,9 @@ public class AppInfoDashboardFragment extends DashboardFragment
         use(AppStoragePreferenceController.class).setParentFragment(this);
         use(AppVersionPreferenceController.class).setParentFragment(this);
         use(InstantAppDomainsPreferenceController.class).setParentFragment(this);
+        if (FeatureFlagUtils.isEnabled(context, FeatureFlags.SILKY_HOME)) {
+            use(ExtraAppInfoPreferenceController.class).setPackageName(packageName);
+        }
 
         final WriteSystemSettingsPreferenceController writeSystemSettings =
                 use(WriteSystemSettingsPreferenceController.class);

src/com/android/settings/applications/appinfo/ExtraAppInfoFeatureProvider.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2021 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.appinfo;
+
+import android.content.Context;
+
+/**
+ * Provider for Extra App Info related feature
+ */
+public interface ExtraAppInfoFeatureProvider {
+    /** Returns true if the feature is supported. */
+    boolean isSupported(Context context);
+
+    /**
+     * Launch ExtraAppInfoSettings
+     */
+    void launchExtraAppInfoSettings(Context context);
+
+    /**
+     * Sets the package name
+     */
+    void setPackageName(String packageName);
+}

src/com/android/settings/applications/appinfo/ExtraAppInfoFeatureProviderImpl.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2021 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.appinfo;
+
+import android.content.Context;
+
+/**
+ * Provider for Extra App Info related feature
+ */
+public class ExtraAppInfoFeatureProviderImpl implements
+        ExtraAppInfoFeatureProvider {
+    @Override
+    public boolean isSupported(Context context) {
+        return false;
+    }
+
+    @Override
+    public void launchExtraAppInfoSettings(Context context) {
+        return;
+    }
+
+    @Override
+    public void setPackageName(String packageName) {
+        return;
+    }
+}

src/com/android/settings/applications/appinfo/ExtraAppInfoPreferenceController.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2021 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.appinfo;
+
+import android.content.Context;
+import android.text.TextUtils;
+
+import androidx.preference.Preference;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.overlay.FeatureFactory;
+
+/** Contains logic that deals with showing extra app info in app settings. */
+public class ExtraAppInfoPreferenceController extends BasePreferenceController {
+
+    private final ExtraAppInfoFeatureProvider mExtraAppInfoFeatureProvider;
+
+    public ExtraAppInfoPreferenceController(Context context, String key) {
+        super(context, key);
+        mExtraAppInfoFeatureProvider =
+                FeatureFactory.getFactory(context).getExtraAppInfoFeatureProvider();
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return mExtraAppInfoFeatureProvider.isSupported(mContext)
+                ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        if (TextUtils.equals(getPreferenceKey(), preference.getKey())) {
+            mExtraAppInfoFeatureProvider.launchExtraAppInfoSettings(mContext);
+            return true;
+        }
+        return super.handlePreferenceTreeClick(preference);
+    }
+
+    /**
+     * Set the local package name
+     */
+    public void setPackageName(String packageName) {
+        if (mExtraAppInfoFeatureProvider != null) {
+            mExtraAppInfoFeatureProvider.setPackageName(packageName);
+        }
+    }
+}

src/com/android/settings/overlay/FeatureFactory.java

@@ -25,6 +25,7 @@ import androidx.annotation.Nullable;
 import com.android.settings.R;
 import com.android.settings.accounts.AccountFeatureProvider;
 import com.android.settings.applications.ApplicationFeatureProvider;
+import com.android.settings.applications.appinfo.ExtraAppInfoFeatureProvider;
 import com.android.settings.aware.AwareFeatureProvider;
 import com.android.settings.biometrics.face.FaceFeatureProvider;
 import com.android.settings.bluetooth.BluetoothFeatureProvider;
@@ -149,6 +150,11 @@ public abstract class FeatureFactory {
      */
     public abstract WifiTrackerLibProvider getWifiTrackerLibProvider();
 
+    /**
+     * Retrieve implementation for Extra App Info feature.
+     */
+    public abstract ExtraAppInfoFeatureProvider getExtraAppInfoFeatureProvider();
+
     public static final class FactoryNotFoundException extends RuntimeException {
         public FactoryNotFoundException(Throwable throwable) {
             super("Unable to create factory. Did you misconfigure Proguard?", throwable);

src/com/android/settings/overlay/FeatureFactoryImpl.java

@@ -29,6 +29,8 @@ import com.android.settings.accounts.AccountFeatureProvider;
 import com.android.settings.accounts.AccountFeatureProviderImpl;
 import com.android.settings.applications.ApplicationFeatureProvider;
 import com.android.settings.applications.ApplicationFeatureProviderImpl;
+import com.android.settings.applications.appinfo.ExtraAppInfoFeatureProvider;
+import com.android.settings.applications.appinfo.ExtraAppInfoFeatureProviderImpl;
 import com.android.settings.aware.AwareFeatureProvider;
 import com.android.settings.aware.AwareFeatureProviderImpl;
 import com.android.settings.biometrics.face.FaceFeatureProvider;
@@ -94,6 +96,7 @@ public class FeatureFactoryImpl extends FeatureFactory {
     private AwareFeatureProvider mAwareFeatureProvider;
     private FaceFeatureProvider mFaceFeatureProvider;
     private WifiTrackerLibProvider mWifiTrackerLibProvider;
+    private ExtraAppInfoFeatureProvider mExtraAppInfoFeatureProvider;
 
     @Override
     public SupportFeatureProvider getSupportFeatureProvider(Context context) {
@@ -291,4 +294,12 @@ public class FeatureFactoryImpl extends FeatureFactory {
         }
         return mWifiTrackerLibProvider;
     }
+
+    @Override
+    public ExtraAppInfoFeatureProvider getExtraAppInfoFeatureProvider() {
+        if (mExtraAppInfoFeatureProvider == null) {
+            mExtraAppInfoFeatureProvider = new ExtraAppInfoFeatureProviderImpl();
+        }
+        return mExtraAppInfoFeatureProvider;
+    }
 }

tests/robotests/src/com/android/settings/applications/appinfo/ExtraAppInfoPreferenceControllerTest.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2021 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.appinfo;
+
+import static com.android.settings.core.BasePreferenceController.UNSUPPORTED_ON_DEVICE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class ExtraAppInfoPreferenceControllerTest {
+    private Context mContext;
+    private ExtraAppInfoPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mController = new ExtraAppInfoPreferenceController(mContext, "test_key");
+    }
+
+    @Test
+    public void getAvailabilityStatus_unavailableByDefault() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(UNSUPPORTED_ON_DEVICE);
+    }
+}

tests/robotests/src/com/android/settings/testutils/FakeFeatureFactory.java

@@ -23,6 +23,7 @@ import android.content.Context;
 
 import com.android.settings.accounts.AccountFeatureProvider;
 import com.android.settings.applications.ApplicationFeatureProvider;
+import com.android.settings.applications.appinfo.ExtraAppInfoFeatureProvider;
 import com.android.settings.aware.AwareFeatureProvider;
 import com.android.settings.biometrics.face.FaceFeatureProvider;
 import com.android.settings.bluetooth.BluetoothFeatureProvider;
@@ -79,6 +80,7 @@ public class FakeFeatureFactory extends FeatureFactory {
     public ContextualCardFeatureProvider mContextualCardFeatureProvider;
 
     public WifiTrackerLibProvider wifiTrackerLibProvider;
+    public ExtraAppInfoFeatureProvider extraAppInfoFeatureProvider;
 
     /**
      * Call this in {@code @Before} method of the test class to use fake factory.
@@ -124,6 +126,7 @@ public class FakeFeatureFactory extends FeatureFactory {
         mAwareFeatureProvider = mock(AwareFeatureProvider.class);
         mFaceFeatureProvider = mock(FaceFeatureProvider.class);
         wifiTrackerLibProvider = mock(WifiTrackerLibProvider.class);
+        extraAppInfoFeatureProvider = mock(ExtraAppInfoFeatureProvider.class);
     }
 
     @Override
@@ -240,4 +243,9 @@ public class FakeFeatureFactory extends FeatureFactory {
     public WifiTrackerLibProvider getWifiTrackerLibProvider() {
         return wifiTrackerLibProvider;
     }
+
+    @Override
+    public ExtraAppInfoFeatureProvider getExtraAppInfoFeatureProvider() {
+        return extraAppInfoFeatureProvider;
+    }
 }

tests/unit/src/com/android/settings/testutils/FakeFeatureFactory.java

@@ -21,6 +21,7 @@ import android.content.Context;
 
 import com.android.settings.accounts.AccountFeatureProvider;
 import com.android.settings.applications.ApplicationFeatureProvider;
+import com.android.settings.applications.appinfo.ExtraAppInfoFeatureProvider;
 import com.android.settings.aware.AwareFeatureProvider;
 import com.android.settings.biometrics.face.FaceFeatureProvider;
 import com.android.settings.bluetooth.BluetoothFeatureProvider;
@@ -74,6 +75,7 @@ public class FakeFeatureFactory extends FeatureFactory {
     public ContextualCardFeatureProvider mContextualCardFeatureProvider;
 
     public WifiTrackerLibProvider wifiTrackerLibProvider;
+    public ExtraAppInfoFeatureProvider extraAppInfoFeatureProvider;
 
     /**
      * Call this in {@code @Before} method of the test class to use fake factory.
@@ -110,6 +112,7 @@ public class FakeFeatureFactory extends FeatureFactory {
         mAwareFeatureProvider = mock(AwareFeatureProvider.class);
         mFaceFeatureProvider = mock(FaceFeatureProvider.class);
         wifiTrackerLibProvider = mock(WifiTrackerLibProvider.class);
+        extraAppInfoFeatureProvider = mock(ExtraAppInfoFeatureProvider.class);
     }
 
     @Override
@@ -226,4 +229,9 @@ public class FakeFeatureFactory extends FeatureFactory {
     public WifiTrackerLibProvider getWifiTrackerLibProvider() {
         return wifiTrackerLibProvider;
     }
+
+    @Override
+    public ExtraAppInfoFeatureProvider getExtraAppInfoFeatureProvider() {
+        return extraAppInfoFeatureProvider;
+    }
 }