Resolve intent before launching from DashboardFragment.

Once dashboard tile is displayed, the underlying intent can be disabled.
We will eventually hide the item from UI, but there can be a brief
moment before we are able to hide it. So to prevent user click and
launch a non-exist intent, we will try to resolve it first before
launching anything.

Change-Id: Ic8d790bf3c5d4d269eadb757f789a1641928a7b7
Fix: 36036097
Test: make RunSettingsRoboTests

src/com/android/settings/dashboard/DashboardFeatureProviderImpl.java

@@ -20,9 +20,9 @@ import android.app.Activity;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
 import android.support.v7.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
@@ -51,22 +51,17 @@ public class DashboardFeatureProviderImpl implements DashboardFeatureProvider {
     private static final String DASHBOARD_TILE_PREF_KEY_PREFIX = "dashboard_tile_pref_";
     private static final String META_DATA_KEY_INTENT_ACTION = "com.android.settings.intent.action";
 
-
     protected final Context mContext;
+
     private final MetricsFeatureProvider mMetricsFeatureProvider;
     private final CategoryManager mCategoryManager;
+    private final PackageManager mPackageManager;
 
     public DashboardFeatureProviderImpl(Context context) {
         mContext = context.getApplicationContext();
         mCategoryManager = CategoryManager.get(context, getExtraIntentAction());
         mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
-    }
+        mPackageManager = context.getPackageManager();
-
-    @VisibleForTesting
-    DashboardFeatureProviderImpl(Context context, CategoryManager categoryManager) {
-        mContext = context.getApplicationContext();
-        mCategoryManager = categoryManager;
-        mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
     }
 
     @Override
@@ -208,6 +203,10 @@ public class DashboardFeatureProviderImpl implements DashboardFeatureProvider {
 
     private void launchIntentOrSelectProfile(Activity activity, Tile tile, Intent intent,
             int sourceMetricCategory) {
+        if (!isIntentResolvable(intent)) {
+            Log.w(TAG, "Cannot resolve intent, skipping. " + intent);
+            return;
+        }
         ProfileSelectDialog.updateUserHandlesIfNeeded(mContext, tile);
         if (tile.userHandle == null) {
             mMetricsFeatureProvider.logDashboardStartIntent(mContext, intent, sourceMetricCategory);
@@ -219,4 +218,8 @@ public class DashboardFeatureProviderImpl implements DashboardFeatureProvider {
             ProfileSelectDialog.show(activity.getFragmentManager(), tile);
         }
     }
+
+    private boolean isIntentResolvable(Intent intent) {
+        return mPackageManager.resolveActivity(intent, 0) != null;
+    }
 }

tests/robotests/src/com/android/settings/dashboard/DashboardFeatureProviderImplTest.java

@@ -50,6 +50,7 @@ import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 import org.robolectric.shadows.ShadowActivity;
 import org.robolectric.shadows.ShadowApplication;
+import org.robolectric.util.ReflectionHelpers;
 
 import java.util.ArrayList;
 
@@ -293,9 +294,35 @@ public class DashboardFeatureProviderImplTest {
                 .isEqualTo(MetricsProto.MetricsEvent.SETTINGS_GESTURES);
     }
 
+    @Test
+    public void clickPreference_withUnresolvableIntent_shouldNotLaunchAnything() {
+        ReflectionHelpers.setField(
+                mImpl, "mPackageManager", RuntimeEnvironment.getPackageManager());
+        Activity activity = Robolectric.buildActivity(Activity.class).get();
+        final ShadowApplication application = ShadowApplication.getInstance();
+        final Preference preference = new Preference(application.getApplicationContext());
+        final Tile tile = new Tile();
+        tile.key = "key";
+        tile.intent = new Intent();
+        tile.intent.setComponent(new ComponentName("pkg", "class"));
+        tile.metaData = new Bundle();
+        tile.metaData.putString("com.android.settings.intent.action", "TestAction");
+        tile.userHandle = null;
+
+        mImpl.bindPreferenceToTile(activity, MetricsProto.MetricsEvent.SETTINGS_GESTURES,
+                preference, tile, "123", Preference.DEFAULT_ORDER);
+        preference.performClick();
+
+        final ShadowActivity.IntentForResult launchIntent =
+                shadowOf(activity).getNextStartedActivityForResult();
+
+        assertThat(launchIntent).isNull();
+    }
+
     @Test
     public void getPreferences_noCategory_shouldReturnNull() {
-        mImpl = new DashboardFeatureProviderImpl(mActivity, mCategoryManager);
+        mImpl = new DashboardFeatureProviderImpl(mActivity);
+        ReflectionHelpers.setField(mImpl, "mCategoryManager", mCategoryManager);
         when(mCategoryManager.getTilesByCategory(mActivity, CategoryKey.CATEGORY_HOMEPAGE))
                 .thenReturn(null);
 
@@ -306,7 +333,8 @@ public class DashboardFeatureProviderImplTest {
 
     @Test
     public void getPreferences_noTileForCategory_shouldReturnNull() {
-        mImpl = new DashboardFeatureProviderImpl(mActivity, mCategoryManager);
+        mImpl = new DashboardFeatureProviderImpl(mActivity);
+        ReflectionHelpers.setField(mImpl, "mCategoryManager", mCategoryManager);
         when(mCategoryManager.getTilesByCategory(mActivity, CategoryKey.CATEGORY_HOMEPAGE))
                 .thenReturn(new DashboardCategory());
 
@@ -317,7 +345,8 @@ public class DashboardFeatureProviderImplTest {
 
     @Test
     public void getPreferences_hasTileForCategory_shouldReturnPrefList() {
-        mImpl = new DashboardFeatureProviderImpl(mActivity, mCategoryManager);
+        mImpl = new DashboardFeatureProviderImpl(mActivity);
+        ReflectionHelpers.setField(mImpl, "mCategoryManager", mCategoryManager);
         final DashboardCategory category = new DashboardCategory();
         category.tiles.add(new Tile());
         when(mCategoryManager