Merge "Move clear instant app dialog logic out of AppInfoDashboardFragment."
diff --git a/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java b/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java
index 7107ff7..4498225 100755
--- a/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java
+++ b/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java
@@ -19,9 +19,6 @@
 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 
 import android.app.Activity;
-import android.app.AlertDialog;
-import android.app.Dialog;
-import android.app.DialogFragment;
 import android.app.admin.DevicePolicyManager;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -95,10 +92,6 @@
     static final int LOADER_STORAGE = 3;
     static final int LOADER_BATTERY = 4;
 
-    // Dialog identifiers used in showDialog
-    private static final int DLG_BASE = 0;
-    static final int DLG_CLEAR_INSTANT_APP = DLG_BASE + 1;
-
     public static final String ARG_PACKAGE_NAME = "package";
     public static final String ARG_PACKAGE_UID = "uid";
 
@@ -419,7 +412,9 @@
         for (Callback callback : mCallbacks) {
             callback.refreshUi();
         }
-        mAppButtonsPreferenceController.refreshUi();
+        if (mAppButtonsPreferenceController.isAvailable()) {
+            mAppButtonsPreferenceController.refreshUi();
+        }
 
         if (!mInitialized) {
             // First time init: are we displaying an uninstalled app?
@@ -447,11 +442,6 @@
         return true;
     }
 
-    @VisibleForTesting
-    AlertDialog createDialog(int id, int errorCode) {
-        return mInstantAppButtonPreferenceController.createDialog(id);
-    }
-
     private void uninstallPkg(String packageName, boolean allUsers, boolean andDisable) {
         stopListeningToPackageRemove();
         // Create new intent to launch Uninstaller activity
@@ -561,12 +551,6 @@
         mFinishing = true;
     }
 
-    void showDialogInner(int id, int moveErrorCode) {
-        final DialogFragment newFragment = MyAlertDialogFragment.newInstance(id, moveErrorCode);
-        newFragment.setTargetFragment(this, 0);
-        newFragment.show(getFragmentManager(), "dialog " + id);
-    }
-
     @Override
     public void onRunningStateChanged(boolean running) {
         // No op.
@@ -604,37 +588,6 @@
         }
     }
 
-    public static class MyAlertDialogFragment extends InstrumentedDialogFragment {
-
-        private static final String ARG_ID = "id";
-
-        @Override
-        public int getMetricsCategory() {
-            return MetricsEvent.DIALOG_APP_INFO_ACTION;
-        }
-
-        @Override
-        public Dialog onCreateDialog(Bundle savedInstanceState) {
-            final int id = getArguments().getInt(ARG_ID);
-            final int errorCode = getArguments().getInt("moveError");
-            final Dialog dialog =
-                    ((AppInfoDashboardFragment) getTargetFragment()).createDialog(id, errorCode);
-            if (dialog == null) {
-                throw new IllegalArgumentException("unknown id " + id);
-            }
-            return dialog;
-        }
-
-        public static MyAlertDialogFragment newInstance(int id, int errorCode) {
-            final MyAlertDialogFragment dialogFragment = new MyAlertDialogFragment();
-            final Bundle args = new Bundle();
-            args.putInt(ARG_ID, id);
-            args.putInt("moveError", errorCode);
-            dialogFragment.setArguments(args);
-            return dialogFragment;
-        }
-    }
-
     @VisibleForTesting
     void startListeningToPackageRemove() {
         if (mListeningToPackageRemove) {
diff --git a/src/com/android/settings/applications/appinfo/ButtonActionDialogFragment.java b/src/com/android/settings/applications/appinfo/ButtonActionDialogFragment.java
index a3f1bab..7198a54 100644
--- a/src/com/android/settings/applications/appinfo/ButtonActionDialogFragment.java
+++ b/src/com/android/settings/applications/appinfo/ButtonActionDialogFragment.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright (C) 2018 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.app.AlertDialog;
diff --git a/src/com/android/settings/applications/appinfo/InstantAppButtonDialogFragment.java b/src/com/android/settings/applications/appinfo/InstantAppButtonDialogFragment.java
new file mode 100644
index 0000000..d010918
--- /dev/null
+++ b/src/com/android/settings/applications/appinfo/InstantAppButtonDialogFragment.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2018 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.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.os.UserHandle;
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.R;
+import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
+import com.android.settings.overlay.FeatureFactory;
+
+/**
+ * Fragment to show the dialog for clearing the instant app.
+ */
+public class InstantAppButtonDialogFragment extends InstrumentedDialogFragment implements
+        DialogInterface.OnClickListener {
+
+    private static final String ARG_PACKAGE_NAME = "packageName";
+
+    private String mPackageName;
+
+    public static InstantAppButtonDialogFragment newInstance(String packageName) {
+        final InstantAppButtonDialogFragment dialogFragment = new InstantAppButtonDialogFragment();
+        final Bundle args = new Bundle(1);
+        args.putString(ARG_PACKAGE_NAME, packageName);
+        dialogFragment.setArguments(args);
+        return dialogFragment;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.DIALOG_APP_INFO_ACTION;
+    }
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        final Bundle arguments = getArguments();
+        mPackageName = arguments.getString(ARG_PACKAGE_NAME);
+        return createDialog();
+    }
+
+    @Override
+    public void onClick(DialogInterface dialog, int which) {
+        final Context context = getContext();
+        final PackageManager packageManager = context.getPackageManager();
+        FeatureFactory.getFactory(context).getMetricsFeatureProvider()
+            .action(context, MetricsEvent.ACTION_SETTINGS_CLEAR_INSTANT_APP, mPackageName);
+        packageManager.deletePackageAsUser(mPackageName, null, 0, UserHandle.myUserId());
+    }
+
+    private AlertDialog createDialog() {
+        AlertDialog confirmDialog = new AlertDialog.Builder(getContext())
+            .setPositiveButton(R.string.clear_instant_app_data, this)
+            .setNegativeButton(R.string.cancel, null)
+            .setTitle(R.string.clear_instant_app_data)
+            .setMessage(R.string.clear_instant_app_confirmation)
+            .create();
+        return confirmDialog;
+    }
+
+}
+
diff --git a/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceController.java b/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceController.java
index 4d1dfd9..8498669 100644
--- a/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceController.java
@@ -16,15 +16,13 @@
 
 package com.android.settings.applications.appinfo;
 
-import android.app.AlertDialog;
+import android.app.DialogFragment;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.net.Uri;
 import android.os.Bundle;
-import android.os.UserHandle;
 
 import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
@@ -34,12 +32,10 @@
 import android.view.View;
 import android.widget.Button;
 
-import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.applications.AppStoreUtil;
 import com.android.settings.applications.LayoutPreference;
 import com.android.settings.core.BasePreferenceController;
-import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.applications.AppUtils;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
@@ -50,15 +46,13 @@
 import java.util.List;
 
 public class InstantAppButtonsPreferenceController extends BasePreferenceController implements
-        LifecycleObserver, OnCreateOptionsMenu, OnPrepareOptionsMenu, OnOptionsItemSelected,
-        DialogInterface.OnClickListener {
+        LifecycleObserver, OnCreateOptionsMenu, OnPrepareOptionsMenu, OnOptionsItemSelected {
 
     private static final String KEY_INSTANT_APP_BUTTONS = "instant_app_buttons";
     private static final String META_DATA_DEFAULT_URI = "default-url";
 
     private final AppInfoDashboardFragment mParent;
     private final String mPackageName;
-    private final PackageManager mPackageManager;
     private String mLaunchUri;
     private LayoutPreference mPreference;
     private MenuItem mInstallMenu;
@@ -68,7 +62,6 @@
         super(context, KEY_INSTANT_APP_BUTTONS);
         mParent = parent;
         mPackageName = packageName;
-        mPackageManager = context.getPackageManager();
         mLaunchUri = getDefaultLaunchUri();
         if (lifecycle != null) {
             lifecycle.addObserver(this);
@@ -118,27 +111,6 @@
         }
     }
 
-    @Override
-    public void onClick(DialogInterface dialog, int which) {
-        FeatureFactory.getFactory(mContext).getMetricsFeatureProvider()
-            .action(mContext, MetricsEvent.ACTION_SETTINGS_CLEAR_INSTANT_APP, mPackageName);
-        mPackageManager.deletePackageAsUser(
-            mPackageName, null, 0, UserHandle.myUserId());
-    }
-
-    AlertDialog createDialog(int id) {
-        if (id == AppInfoDashboardFragment.DLG_CLEAR_INSTANT_APP) {
-            AlertDialog confirmDialog = new AlertDialog.Builder(mContext)
-                .setPositiveButton(R.string.clear_instant_app_data, this)
-                .setNegativeButton(R.string.cancel, null)
-                .setTitle(R.string.clear_instant_app_data)
-                .setMessage(mContext.getString(R.string.clear_instant_app_confirmation))
-                .create();
-            return confirmDialog;
-        }
-        return null;
-    }
-
     private void initButtons(View view) {
         final Button installButton = view.findViewById(R.id.install);
         final Button clearDataButton = view.findViewById(R.id.clear_data);
@@ -160,8 +132,14 @@
                 installButton.setEnabled(false);
             }
         }
-        clearDataButton.setOnClickListener(
-            v -> mParent.showDialogInner(mParent.DLG_CLEAR_INSTANT_APP, 0));
+        clearDataButton.setOnClickListener(v -> showDialog());
+    }
+
+    private void showDialog() {
+        final DialogFragment newFragment =
+            InstantAppButtonDialogFragment.newInstance(mPackageName);
+        newFragment.setTargetFragment(mParent, 0);
+        newFragment.show(mParent.getFragmentManager(), KEY_INSTANT_APP_BUTTONS);
     }
 
     private String getDefaultLaunchUri() {
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/InstantAppButtonDialogFragmentTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/InstantAppButtonDialogFragmentTest.java
new file mode 100644
index 0000000..c353b1b
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/InstantAppButtonDialogFragmentTest.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2018 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.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+import static org.robolectric.Shadows.shadowOf;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.pm.PackageManager;
+import com.android.settings.R;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.shadows.ShadowAlertDialog;
+import org.robolectric.shadows.ShadowDialog;
+import org.robolectric.util.FragmentTestUtil;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class InstantAppButtonDialogFragmentTest {
+
+    private static final String TEST_PACKAGE = "testPackage";
+
+    private InstantAppButtonDialogFragment mFragment;
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        mContext = spy(RuntimeEnvironment.application);
+        mFragment = spy(InstantAppButtonDialogFragment.newInstance(TEST_PACKAGE));
+        doReturn(mContext).when(mFragment).getContext();
+    }
+
+    @Test
+    public void onClick_shouldDeleteApp() {
+        final PackageManager packageManager = mock(PackageManager.class);
+        when(mContext.getPackageManager()).thenReturn(packageManager);
+        FragmentTestUtil.startFragment(mFragment);
+
+        mFragment.onClick(null /* dialog */, 0  /* which */);
+
+        verify(packageManager)
+            .deletePackageAsUser(eq(TEST_PACKAGE), any(), anyInt(), anyInt());
+    }
+
+    @Test
+    public void onCreateDialog_clearAppDialog_shouldShowClearAppDataConfirmation() {
+        FragmentTestUtil.startFragment(mFragment);
+
+        final AlertDialog dialog = (AlertDialog) ShadowDialog.getLatestDialog();
+        assertThat(dialog).isNotNull();
+        final ShadowAlertDialog shadowDialog = shadowOf(dialog);
+
+        assertThat(shadowDialog.getMessage()).isEqualTo(
+                mContext.getString(R.string.clear_instant_app_confirmation));
+        assertThat(shadowDialog.getTitle()).isEqualTo(
+                mContext.getString(R.string.clear_instant_app_data));
+        assertThat(dialog.getButton(DialogInterface.BUTTON_POSITIVE).getText()).isEqualTo(
+                mContext.getString(R.string.clear_instant_app_data));
+        assertThat(dialog.getButton(DialogInterface.BUTTON_NEGATIVE).getText()).isEqualTo(
+                mContext.getString(R.string.cancel));
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceControllerTest.java
index 425b9f0..32cafeb 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceControllerTest.java
@@ -27,9 +27,10 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.app.FragmentManager;
+import android.app.FragmentTransaction;
 import android.content.ComponentName;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
@@ -287,13 +288,16 @@
     }
 
     @Test
-    public void onClick_shouldDeleteApp() {
-        PackageManager packageManager = mock(PackageManager.class);
-        ReflectionHelpers.setField(mController, "mPackageManager", packageManager);
+    public void clickClearAppButton_shouldLaunchInstantAppButtonDialogFragment() {
+        final FragmentManager fragmentManager = mock(FragmentManager.class);
+        final FragmentTransaction fragmentTransaction = mock(FragmentTransaction.class);
+        when(mFragment.getFragmentManager()).thenReturn(fragmentManager);
+        when(fragmentManager.beginTransaction()).thenReturn(fragmentTransaction);
+        mController.displayPreference(mScreen);
 
-        mController.onClick(mock(DialogInterface.class), DialogInterface.BUTTON_POSITIVE);
+        mClearAppButton.callOnClick();
 
-        verify(packageManager)
-            .deletePackageAsUser(eq(TEST_AIA_PACKAGE_NAME), any(), anyInt(),anyInt());
+        verify(fragmentTransaction).add(any(InstantAppButtonDialogFragment.class),
+            eq("instant_app_buttons"));
     }
 }