Merge "Add an interface that returns time spent text for app." into qt-dev

src/com/android/settings/applications/ApplicationFeatureProvider.java

@@ -81,6 +81,14 @@ public interface ApplicationFeatureProvider {
      */
     Set<String> getKeepEnabledPackages();
 
+    /**
+     * Returns a user readable text explaining how much time user has spent in an app at a
+     * pre-specified duration.
+     */
+    default CharSequence getTimeSpentInApp(String packageName) {
+        return null;
+    }
+
     /**
      * Callback that receives the number of packages installed on the device.
      */

src/com/android/settings/applications/ApplicationFeatureProviderImpl.java

@@ -41,7 +41,7 @@ import java.util.Set;
 
 public class ApplicationFeatureProviderImpl implements ApplicationFeatureProvider {
 
-    private final Context mContext;
+    protected final Context mContext;
     private final PackageManager mPm;
     private final IPackageManager mPms;
     private final DevicePolicyManager mDpm;

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

@@ -28,7 +28,9 @@ import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
+import com.android.settings.applications.ApplicationFeatureProvider;
 import com.android.settings.core.BasePreferenceController;
+import com.android.settings.overlay.FeatureFactory;
 
 import java.util.List;
 
@@ -38,13 +40,15 @@ public class TimeSpentInAppPreferenceController extends BasePreferenceController
     static final Intent SEE_TIME_IN_APP_TEMPLATE = new Intent(Settings.ACTION_APP_USAGE_SETTINGS);
 
     private final PackageManager mPackageManager;
-
+    private final ApplicationFeatureProvider mAppFeatureProvider;
     private Intent mIntent;
     private String mPackageName;
 
     public TimeSpentInAppPreferenceController(Context context, String preferenceKey) {
         super(context, preferenceKey);
         mPackageManager = context.getPackageManager();
+        mAppFeatureProvider = FeatureFactory.getFactory(context)
+                .getApplicationFeatureProvider(context);
     }
 
     public void setPackageName(String packageName) {
@@ -80,6 +84,11 @@ public class TimeSpentInAppPreferenceController extends BasePreferenceController
         }
     }
 
+    @Override
+    public CharSequence getSummary() {
+        return mAppFeatureProvider.getTimeSpentInApp(mPackageName);
+    }
+
     private boolean isSystemApp(ResolveInfo info) {
         return info != null
                 && info.activityInfo != null