/* * Copyright (C) 2016 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 android.widget; import static android.appwidget.flags.Flags.remoteAdapterConversion; import static com.android.internal.R.id.pending_intent_tag; import static com.google.common.truth.Truth.assertThat; import static org.junit.Assert.assertArrayEquals; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotEquals; import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertSame; import static org.junit.Assert.assertTrue; import static org.junit.Assume.assumeTrue; import static org.mockito.ArgumentMatchers.eq; import static org.mockito.Mockito.any; import static org.mockito.Mockito.anyBoolean; import static org.mockito.Mockito.anyInt; import static org.mockito.Mockito.doReturn; import static org.mockito.Mockito.doThrow; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.spy; import static org.mockito.Mockito.times; import static org.mockito.Mockito.verify; import static java.time.temporal.ChronoUnit.MINUTES; import android.app.ActivityOptions; import android.app.PendingIntent; import android.appwidget.AppWidgetHostView; import android.appwidget.AppWidgetManager.ServiceCollectionCache; import android.appwidget.flags.Flags; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.drawable.Icon; import android.net.Uri; import android.os.AsyncTask; import android.os.Binder; import android.os.IBinder; import android.os.Looper; import android.os.Parcel; import android.os.RemoteException; import android.os.SystemClock; import android.platform.test.annotations.EnableFlags; import android.platform.test.flag.junit.SetFlagsRule; import android.util.AttributeSet; import android.util.SizeF; import android.util.proto.ProtoInputStream; import android.util.proto.ProtoOutputStream; import android.view.ContextThemeWrapper; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.RemoteViewsAdapterTest.ViewsFactory; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.test.InstrumentationRegistry; import androidx.test.ext.junit.runners.AndroidJUnit4; import androidx.test.filters.SmallTest; import com.android.frameworks.coretests.R; import org.junit.Before; import org.junit.Rule; import org.junit.Test; import org.junit.rules.ExpectedException; import org.junit.runner.RunWith; import org.mockito.ArgumentCaptor; import java.time.Duration; import java.time.Instant; import java.time.InstantSource; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.Map; import java.util.concurrent.CompletableFuture; import java.util.concurrent.CountDownLatch; import java.util.function.Consumer; /** * Tests for RemoteViews. */ @RunWith(AndroidJUnit4.class) @SmallTest public class RemoteViewsTest { // This can point to any other package which exists on the device. private static final String OTHER_PACKAGE = "com.android.systemui"; @Rule public final ExpectedException exception = ExpectedException.none(); @Rule public SetFlagsRule setFlagsRule = new SetFlagsRule(); private Context mContext; private String mPackage; private LinearLayout mContainer; @Before public void setup() { mContext = InstrumentationRegistry.getContext(); mPackage = mContext.getPackageName(); mContainer = new LinearLayout(mContext); } @Test public void clone_originalCanStillBeApplied() { RemoteViews original = new RemoteViews(mPackage, R.layout.remote_views_test); RemoteViews clone = original.clone(); clone.apply(mContext, mContainer); } @Test public void clone_clones() { RemoteViews original = new RemoteViews(mPackage, R.layout.remote_views_test); RemoteViews clone = original.clone(); original.setTextViewText(R.id.text, "test"); View inflated = clone.apply(mContext, mContainer); TextView textView = (TextView) inflated.findViewById(R.id.text); assertEquals("", textView.getText()); } @Test public void clone_child_fails() { RemoteViews original = new RemoteViews(mPackage, R.layout.remote_views_test); RemoteViews child = new RemoteViews(mPackage, R.layout.remote_views_test); original.addView(R.id.layout, child); exception.expect(IllegalStateException.class); RemoteViews clone = child.clone(); } @SuppressWarnings("ReturnValueIgnored") @Test public void clone_repeatedly() { RemoteViews original = new RemoteViews(mPackage, R.layout.remote_views_test); original.clone(); original.clone(); original.apply(mContext, mContainer); } @Test public void clone_chained() { RemoteViews original = new RemoteViews(mPackage, R.layout.remote_views_test); RemoteViews clone = original.clone().clone(); clone.apply(mContext, mContainer); } @Test public void parcelSize_nestedViews() { RemoteViews original = new RemoteViews(mPackage, R.layout.remote_views_test); // We don't care about the actual layout id. RemoteViews child = new RemoteViews(mPackage, 33); int expectedSize = getParcelSize(original) + getParcelSize(child); original.addView(R.id.layout, child); // The application info will get written only once. assertTrue(getParcelSize(original) < expectedSize); assertEquals(getParcelSize(original), getParcelSize(original.clone())); original = new RemoteViews(mPackage, R.layout.remote_views_test); child = new RemoteViews(OTHER_PACKAGE, 33); expectedSize = getParcelSize(original) + getParcelSize(child); original.addView(R.id.layout, child); // Both the views will get written completely along with an additional view operation assertTrue(getParcelSize(original) > expectedSize); assertEquals(getParcelSize(original), getParcelSize(original.clone())); } @Test public void parcelSize_differentOrientation() { RemoteViews landscape = new RemoteViews(mPackage, R.layout.remote_views_test); RemoteViews portrait = new RemoteViews(mPackage, 33); // The application info will get written only once. RemoteViews views = new RemoteViews(landscape, portrait); assertTrue(getParcelSize(views) < (getParcelSize(landscape) + getParcelSize(portrait))); assertEquals(getParcelSize(views), getParcelSize(views.clone())); } private int getParcelSize(RemoteViews view) { Parcel parcel = Parcel.obtain(); view.writeToParcel(parcel, 0); int size = parcel.dataSize(); parcel.recycle(); return size; } @Test public void asyncApply_fail() throws Exception { RemoteViews views = new RemoteViews(mPackage, R.layout.remote_view_test_bad_1); ViewAppliedListener listener = new ViewAppliedListener(); views.applyAsync(mContext, mContainer, AsyncTask.THREAD_POOL_EXECUTOR, listener); exception.expect(Exception.class); listener.waitAndGetView(); } @Test public void asyncApply() throws Exception { RemoteViews views = new RemoteViews(mPackage, R.layout.remote_views_test); views.setTextViewText(R.id.text, "Dummy"); View syncView = views.apply(mContext, mContainer); ViewAppliedListener listener = new ViewAppliedListener(); views.applyAsync(mContext, mContainer, AsyncTask.THREAD_POOL_EXECUTOR, listener); View asyncView = listener.waitAndGetView(); verifyViewTree(syncView, asyncView, "Dummy"); } @Test public void asyncApply_viewStub() throws Exception { RemoteViews views = new RemoteViews(mPackage, R.layout.remote_views_viewstub); views.setInt(R.id.viewStub, "setLayoutResource", R.layout.remote_views_text); // This will cause the view to be inflated views.setViewVisibility(R.id.viewStub, View.INVISIBLE); views.setTextViewText(R.id.stub_inflated, "Dummy"); View syncView = views.apply(mContext, mContainer); ViewAppliedListener listener = new ViewAppliedListener(); views.applyAsync(mContext, mContainer, AsyncTask.THREAD_POOL_EXECUTOR, listener); View asyncView = listener.waitAndGetView(); verifyViewTree(syncView, asyncView, "Dummy"); } @Test public void asyncApply_nestedViews() throws Exception { RemoteViews views = new RemoteViews(mPackage, R.layout.remote_view_host); views.removeAllViews(R.id.container); views.addView(R.id.container, createViewChained(1, "row1-c1", "row1-c2", "row1-c3")); views.addView(R.id.container, createViewChained(5, "row2-c1", "row2-c2")); views.addView(R.id.container, createViewChained(2, "row3-c1", "row3-c2")); View syncView = views.apply(mContext, mContainer); ViewAppliedListener listener = new ViewAppliedListener(); views.applyAsync(mContext, mContainer, AsyncTask.THREAD_POOL_EXECUTOR, listener); View asyncView = listener.waitAndGetView(); verifyViewTree(syncView, asyncView, "row1-c1", "row1-c2", "row1-c3", "row2-c1", "row2-c2", "row3-c1", "row3-c2"); } @Test public void asyncApply_viewstub_nestedViews() throws Exception { RemoteViews viewstub = new RemoteViews(mPackage, R.layout.remote_views_viewstub); viewstub.setInt(R.id.viewStub, "setLayoutResource", R.layout.remote_view_host); // This will cause the view to be inflated viewstub.setViewVisibility(R.id.viewStub, View.INVISIBLE); viewstub.addView(R.id.stub_inflated, createViewChained(1, "row1-c1", "row1-c2", "row1-c3")); RemoteViews views = new RemoteViews(mPackage, R.layout.remote_view_host); views.removeAllViews(R.id.container); views.addView(R.id.container, viewstub); views.addView(R.id.container, createViewChained(5, "row2-c1", "row2-c2")); View syncView = views.apply(mContext, mContainer); ViewAppliedListener listener = new ViewAppliedListener(); views.applyAsync(mContext, mContainer, AsyncTask.THREAD_POOL_EXECUTOR, listener); View asyncView = listener.waitAndGetView(); verifyViewTree(syncView, asyncView, "row1-c1", "row1-c2", "row1-c3", "row2-c1", "row2-c2"); } @Test public void nestedViews_setRemoteAdapter_intent() { Looper.prepare(); AppWidgetHostView widget = new AppWidgetHostView(mContext); RemoteViews top = new RemoteViews(mPackage, R.layout.remote_view_host); RemoteViews inner1 = new RemoteViews(mPackage, R.layout.remote_view_host); RemoteViews inner2 = new RemoteViews(mPackage, R.layout.remote_views_list); inner2.setRemoteAdapter(R.id.list, new Intent()); inner1.addView(R.id.container, inner2); top.addView(R.id.container, inner1); View view = top.apply(mContext, widget); widget.addView(view); ListView listView = (ListView) view.findViewById(R.id.list); if (!remoteAdapterConversion()) { listView.onRemoteAdapterConnected(); } assertNotNull(listView.getAdapter()); top.reapply(mContext, view); listView = (ListView) view.findViewById(R.id.list); assertNotNull(listView.getAdapter()); } @Test public void nestedViews_setRemoteAdapter_remoteCollectionItems() { AppWidgetHostView widget = new AppWidgetHostView(mContext); RemoteViews top = new RemoteViews(mPackage, R.layout.remote_view_host); RemoteViews inner1 = new RemoteViews(mPackage, R.layout.remote_view_host); RemoteViews inner2 = new RemoteViews(mPackage, R.layout.remote_views_list); inner2.setRemoteAdapter( R.id.list, new RemoteViews.RemoteCollectionItems.Builder() .addItem(0, new RemoteViews(mPackage, R.layout.remote_view_host)) .build()); inner1.addView(R.id.container, inner2); top.addView(R.id.container, inner1); View view = top.apply(mContext, widget); widget.addView(view); ListView listView = (ListView) view.findViewById(R.id.list); assertNotNull(listView.getAdapter()); top.reapply(mContext, view); listView = (ListView) view.findViewById(R.id.list); assertNotNull(listView.getAdapter()); } @Test public void nestedViews_collectionChildFlag() throws Exception { RemoteViews nested = new RemoteViews(mPackage, R.layout.remote_views_text); nested.setOnClickPendingIntent( R.id.text, PendingIntent.getActivity(mContext, 0, new Intent().setPackage(mContext.getPackageName()), PendingIntent.FLAG_MUTABLE) ); RemoteViews listItem = new RemoteViews(mPackage, R.layout.remote_view_host); listItem.addView(R.id.container, nested); listItem.addFlags(RemoteViews.FLAG_WIDGET_IS_COLLECTION_CHILD); View view = listItem.apply(mContext, mContainer); TextView text = (TextView) view.findViewById(R.id.text); assertNull(text.getTag(pending_intent_tag)); } @Test public void landscapePortraitViews_collectionChildFlag() throws Exception { RemoteViews inner = new RemoteViews(mPackage, R.layout.remote_views_text); inner.setOnClickPendingIntent( R.id.text, PendingIntent.getActivity(mContext, 0, new Intent().setPackage(mContext.getPackageName()), PendingIntent.FLAG_MUTABLE) ); RemoteViews listItem = new RemoteViews(inner, inner); listItem.addFlags(RemoteViews.FLAG_WIDGET_IS_COLLECTION_CHILD); View view = listItem.apply(mContext, mContainer); TextView text = (TextView) view.findViewById(R.id.text); assertNull(text.getTag(pending_intent_tag)); } @Test public void sizedViews_collectionChildFlag() throws Exception { RemoteViews inner = new RemoteViews(mPackage, R.layout.remote_views_text); inner.setOnClickPendingIntent( R.id.text, PendingIntent.getActivity(mContext, 0, new Intent().setPackage(mContext.getPackageName()), PendingIntent.FLAG_MUTABLE) ); RemoteViews listItem = new RemoteViews( Map.of(new SizeF(0, 0), inner, new SizeF(100, 100), inner)); listItem.addFlags(RemoteViews.FLAG_WIDGET_IS_COLLECTION_CHILD); View view = listItem.apply(mContext, mContainer); TextView text = (TextView) view.findViewById(R.id.text); assertNull(text.getTag(pending_intent_tag)); } @Test public void nestedViews_lightBackgroundLayoutFlag() { RemoteViews nested = new RemoteViews(mPackage, R.layout.remote_views_text); nested.setLightBackgroundLayoutId(R.layout.remote_views_light_background_text); RemoteViews parent = new RemoteViews(mPackage, R.layout.remote_view_host); parent.addView(R.id.container, nested); parent.setLightBackgroundLayoutId(R.layout.remote_view_host); parent.addFlags(RemoteViews.FLAG_USE_LIGHT_BACKGROUND_LAYOUT); View view = parent.apply(mContext, mContainer); assertNull(view.findViewById(R.id.text)); assertNotNull(view.findViewById(R.id.light_background_text)); } @Test public void landscapePortraitViews_lightBackgroundLayoutFlag() { RemoteViews inner = new RemoteViews(mPackage, R.layout.remote_views_text); inner.setLightBackgroundLayoutId(R.layout.remote_views_light_background_text); RemoteViews parent = new RemoteViews(inner, inner); parent.addFlags(RemoteViews.FLAG_USE_LIGHT_BACKGROUND_LAYOUT); View view = parent.apply(mContext, mContainer); assertNull(view.findViewById(R.id.text)); assertNotNull(view.findViewById(R.id.light_background_text)); } @Test public void sizedViews_lightBackgroundLayoutFlag() { RemoteViews inner = new RemoteViews(mPackage, R.layout.remote_views_text); inner.setLightBackgroundLayoutId(R.layout.remote_views_light_background_text); RemoteViews parent = new RemoteViews( Map.of(new SizeF(0, 0), inner, new SizeF(100, 100), inner)); parent.addFlags(RemoteViews.FLAG_USE_LIGHT_BACKGROUND_LAYOUT); View view = parent.apply(mContext, mContainer); assertNull(view.findViewById(R.id.text)); assertNotNull(view.findViewById(R.id.light_background_text)); } @Test public void remoteCollectionItemsAdapter_lightBackgroundLayoutFlagSet() { AppWidgetHostView widget = new AppWidgetHostView(mContext); RemoteViews container = new RemoteViews(mPackage, R.layout.remote_view_host); RemoteViews listRemoteViews = new RemoteViews(mPackage, R.layout.remote_views_list); RemoteViews item = new RemoteViews(mPackage, R.layout.remote_views_text); item.setLightBackgroundLayoutId(R.layout.remote_views_light_background_text); listRemoteViews.setRemoteAdapter( R.id.list, new RemoteViews.RemoteCollectionItems.Builder().addItem(0, item).build()); container.addView(R.id.container, listRemoteViews); widget.setOnLightBackground(true); widget.updateAppWidget(container); // Populate the list view ListView listView = (ListView) widget.findViewById(R.id.list); int measureSpec = View.MeasureSpec.makeMeasureSpec(100, View.MeasureSpec.EXACTLY); listView.measure(measureSpec, measureSpec); listView.layout(0, 0, 100, 100); // Picks the light background layout id for the item assertNotNull(listView.getChildAt(0).findViewById(R.id.light_background_text)); assertNull(listView.getChildAt(0).findViewById(R.id.text)); } @Test public void remoteCollectionItemsAdapter_lightBackgroundLayoutFlagNotSet() { AppWidgetHostView widget = new AppWidgetHostView(mContext); RemoteViews container = new RemoteViews(mPackage, R.layout.remote_view_host); RemoteViews listRemoteViews = new RemoteViews(mPackage, R.layout.remote_views_list); RemoteViews item = new RemoteViews(mPackage, R.layout.remote_views_text); item.setLightBackgroundLayoutId(R.layout.remote_views_light_background_text); listRemoteViews.setRemoteAdapter( R.id.list, new RemoteViews.RemoteCollectionItems.Builder().addItem(0, item).build()); container.addView(R.id.container, listRemoteViews); widget.setOnLightBackground(false); widget.updateAppWidget(container); // Populate the list view ListView listView = (ListView) widget.findViewById(R.id.list); int measureSpec = View.MeasureSpec.makeMeasureSpec(100, View.MeasureSpec.EXACTLY); listView.measure(measureSpec, measureSpec); listView.layout(0, 0, 100, 100); // Does not pick the light background layout id for the item assertNotNull(listView.getChildAt(0).findViewById(R.id.text)); assertNull(listView.getChildAt(0).findViewById(R.id.light_background_text)); } private RemoteViews createViewChained(int depth, String... texts) { RemoteViews result = new RemoteViews(mPackage, R.layout.remote_view_host); // Create depth RemoteViews parent = result; while(depth > 0) { depth--; RemoteViews child = new RemoteViews(mPackage, R.layout.remote_view_host); parent.addView(R.id.container, child); parent = child; } // Add texts for (String text : texts) { RemoteViews child = new RemoteViews(mPackage, R.layout.remote_views_text); child.setTextViewText(R.id.text, text); parent.addView(R.id.container, child); } return result; } private void verifyViewTree(View v1, View v2, String... texts) { ArrayList expectedTexts = new ArrayList<>(Arrays.asList(texts)); verifyViewTreeRecur(v1, v2, expectedTexts); // Verify that all expected texts were found assertEquals(0, expectedTexts.size()); } private void verifyViewTreeRecur(View v1, View v2, ArrayList expectedTexts) { assertEquals(v1.getClass(), v2.getClass()); if (v1 instanceof TextView) { String text = ((TextView) v1).getText().toString(); assertEquals(text, ((TextView) v2).getText().toString()); // Verify that the text was one of the expected texts and remove it from the list assertTrue(expectedTexts.remove(text)); } else if (v1 instanceof ViewGroup) { ViewGroup vg1 = (ViewGroup) v1; ViewGroup vg2 = (ViewGroup) v2; assertEquals(vg1.getChildCount(), vg2.getChildCount()); for (int i = vg1.getChildCount() - 1; i >= 0; i--) { verifyViewTreeRecur(vg1.getChildAt(i), vg2.getChildAt(i), expectedTexts); } } } private class ViewAppliedListener implements RemoteViews.OnViewAppliedListener { private final CountDownLatch mLatch = new CountDownLatch(1); private View mView; private Exception mError; @Override public void onViewApplied(View v) { mView = v; mLatch.countDown(); } @Override public void onError(Exception e) { mError = e; mLatch.countDown(); } public View waitAndGetView() throws Exception { mLatch.await(); if (mError != null) { throw new Exception(mError); } return mView; } } @SuppressWarnings("ReturnValueIgnored") @Test public void nestedAddViews() { RemoteViews views = new RemoteViews(mPackage, R.layout.remote_views_test); for (int i = 0; i < 10; i++) { RemoteViews parent = new RemoteViews(mPackage, R.layout.remote_views_test); parent.addView(R.id.layout, views); views = parent; } // Both clone and parcel/unparcel work, views.clone(); parcelAndRecreate(views); views = new RemoteViews(mPackage, R.layout.remote_views_test); for (int i = 0; i < 11; i++) { RemoteViews parent = new RemoteViews(mPackage, R.layout.remote_views_test); parent.addView(R.id.layout, views); views = parent; } // Clone works but parcel/unparcel fails views.clone(); exception.expect(IllegalArgumentException.class); parcelAndRecreate(views); } @SuppressWarnings("ReturnValueIgnored") @Test public void nestedLandscapeViews() { RemoteViews views = new RemoteViews(mPackage, R.layout.remote_views_test); for (int i = 0; i < 10; i++) { views = new RemoteViews(views, new RemoteViews(mPackage, R.layout.remote_views_test)); } // Both clone and parcel/unparcel work, views.clone(); parcelAndRecreate(views); views = new RemoteViews(mPackage, R.layout.remote_views_test); for (int i = 0; i < 11; i++) { views = new RemoteViews(views, new RemoteViews(mPackage, R.layout.remote_views_test)); } // Clone works but parcel/unparcel fails views.clone(); exception.expect(IllegalArgumentException.class); parcelAndRecreate(views); } private RemoteViews parcelAndRecreate(RemoteViews views) { return parcelAndRecreateWithPendingIntentCookie(views, null); } private RemoteViews parcelAndRecreateWithPendingIntentCookie(RemoteViews views, Object cookie) { Parcel p = Parcel.obtain(); try { views.writeToParcel(p, 0); p.setDataPosition(0); if (cookie != null) { p.setClassCookie(PendingIntent.class, cookie); } return RemoteViews.CREATOR.createFromParcel(p); } finally { p.recycle(); } } @Test public void copyWithBinders() throws Exception { RemoteViews views = new RemoteViews(mPackage, R.layout.remote_views_test); for (int i = 1; i < 10; i++) { PendingIntent pi = PendingIntent.getBroadcast(mContext, 0, new Intent("android.widget.RemoteViewsTest_" + i) .setPackage(mContext.getPackageName()), PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_MUTABLE); views.setOnClickPendingIntent(i, pi); } try { new RemoteViews(views); } catch (Throwable t) { throw new Exception(t); } } @Test public void copy_keepsPendingIntentWhitelistToken() throws Exception { Binder whitelistToken = new Binder(); RemoteViews views = new RemoteViews(mPackage, R.layout.remote_views_test); PendingIntent pi = PendingIntent.getBroadcast(mContext, 0, new Intent("test").setPackage(mContext.getPackageName()), PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_MUTABLE); views.setOnClickPendingIntent(1, pi); RemoteViews withCookie = parcelAndRecreateWithPendingIntentCookie(views, whitelistToken); RemoteViews cloned = new RemoteViews(withCookie); PendingIntent found = extractAnyPendingIntent(cloned); assertEquals(whitelistToken, found.getWhitelistToken()); } private PendingIntent extractAnyPendingIntent(RemoteViews cloned) { PendingIntent[] found = new PendingIntent[1]; Parcel p = Parcel.obtain(); try { PendingIntent.setOnMarshaledListener((intent, parcel, flags) -> { if (parcel == p) { found[0] = intent; } }); cloned.writeToParcel(p, 0); } finally { p.recycle(); PendingIntent.setOnMarshaledListener(null); } return found[0]; } @Test public void sharedElement_pendingIntent_notifyParent() throws Exception { RemoteViews views = new RemoteViews(mPackage, R.layout.remote_views_test); PendingIntent pi = PendingIntent.getBroadcast(mContext, 0, new Intent("android.widget.RemoteViewsTest_shared_element") .setPackage(mContext.getPackageName()), PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_MUTABLE); views.setOnClickResponse(R.id.image, RemoteViews.RemoteResponse.fromPendingIntent(pi) .addSharedElement(0, "e0") .addSharedElement(1, "e1") .addSharedElement(2, "e2")); WidgetContainer container = new WidgetContainer(mContext); container.addView(new RemoteViews(views).apply(mContext, container)); container.findViewById(R.id.image).performClick(); assertArrayEquals(container.mSharedViewIds, new int[] {0, 1, 2}); assertArrayEquals(container.mSharedViewNames, new String[] {"e0", "e1", "e2"}); } @Test public void setIntTag() { RemoteViews views = new RemoteViews(mPackage, R.layout.remote_views_test); int index = 10; views.setIntTag( R.id.layout, com.android.internal.R.id.notification_action_index_tag, index); RemoteViews recovered = parcelAndRecreate(views); RemoteViews cloned = new RemoteViews(recovered); View inflated = cloned.apply(mContext, mContainer); assertEquals( index, inflated.getTag(com.android.internal.R.id.notification_action_index_tag)); } @Test public void nestedViews_themesPropagateCorrectly() { Context themedContext = new ContextThemeWrapper(mContext, R.style.RelativeLayoutAlignBottom50Alpha); RelativeLayout rootParent = new RelativeLayout(themedContext); RemoteViews top = new RemoteViews(mPackage, R.layout.remote_view_relative_layout); RemoteViews inner1 = new RemoteViews(mPackage, R.layout.remote_view_relative_layout_with_theme); RemoteViews inner2 = new RemoteViews(mPackage, R.layout.remote_view_relative_layout); inner1.addView(R.id.themed_layout, inner2); top.addView(R.id.container, inner1); RelativeLayout root = (RelativeLayout) top.apply(themedContext, rootParent); assertEquals(0.5, root.getAlpha(), 0.); RelativeLayout.LayoutParams rootParams = (RelativeLayout.LayoutParams) root.getLayoutParams(); assertEquals(RelativeLayout.TRUE, rootParams.getRule(RelativeLayout.ALIGN_PARENT_BOTTOM)); // The theme is set on inner1View and its descendants. However, inner1View does // not get its layout params from its theme (though its descendants do), but other // attributes such as alpha are set. RelativeLayout inner1View = (RelativeLayout) root.getChildAt(0); assertEquals(R.id.themed_layout, inner1View.getId()); assertEquals(0.25, inner1View.getAlpha(), 0.); RelativeLayout.LayoutParams inner1Params = (RelativeLayout.LayoutParams) inner1View.getLayoutParams(); assertEquals(RelativeLayout.TRUE, inner1Params.getRule(RelativeLayout.ALIGN_PARENT_BOTTOM)); RelativeLayout inner2View = (RelativeLayout) inner1View.getChildAt(0); assertEquals(0.25, inner2View.getAlpha(), 0.); RelativeLayout.LayoutParams inner2Params = (RelativeLayout.LayoutParams) inner2View.getLayoutParams(); assertEquals(RelativeLayout.TRUE, inner2Params.getRule(RelativeLayout.ALIGN_PARENT_TOP)); } private class WidgetContainer extends AppWidgetHostView { int[] mSharedViewIds; String[] mSharedViewNames; WidgetContainer(Context context) { super(context); } @Override public ActivityOptions createSharedElementActivityOptions( int[] sharedViewIds, String[] sharedViewNames, Intent fillInIntent) { mSharedViewIds = sharedViewIds; mSharedViewNames = sharedViewNames; return null; } } @Test public void visitUris() { RemoteViews views = new RemoteViews(mPackage, R.layout.remote_views_test); final Uri imageUri = Uri.parse("content://media/image"); final Icon icon1 = Icon.createWithContentUri("content://media/icon1"); final Icon icon2 = Icon.createWithContentUri("content://media/icon2"); final Icon icon3 = Icon.createWithContentUri("content://media/icon3"); final Icon icon4 = Icon.createWithContentUri("content://media/icon4"); views.setImageViewUri(R.id.image, imageUri); views.setTextViewCompoundDrawables(R.id.text, icon1, icon2, icon3, icon4); Consumer visitor = (Consumer) spy(Consumer.class); views.visitUris(visitor); verify(visitor, times(1)).accept(eq(imageUri)); verify(visitor, times(1)).accept(eq(icon1.getUri())); verify(visitor, times(1)).accept(eq(icon2.getUri())); verify(visitor, times(1)).accept(eq(icon3.getUri())); verify(visitor, times(1)).accept(eq(icon4.getUri())); } @Test public void visitUris_themedIcons() { RemoteViews views = new RemoteViews(mPackage, R.layout.remote_views_test); final Icon iconLight = Icon.createWithContentUri("content://light/icon"); final Icon iconDark = Icon.createWithContentUri("content://dark/icon"); views.setIcon(R.id.layout, "setLargeIcon", iconLight, iconDark); Consumer visitor = (Consumer) spy(Consumer.class); views.visitUris(visitor); verify(visitor, times(1)).accept(eq(iconLight.getUri())); verify(visitor, times(1)).accept(eq(iconDark.getUri())); } @Test public void visitUris_nestedViews() { final RemoteViews outer = new RemoteViews(mPackage, R.layout.remote_views_test); final RemoteViews inner = new RemoteViews(mPackage, 33); final Uri imageUriI = Uri.parse("content://inner/image"); final Icon icon1 = Icon.createWithContentUri("content://inner/icon1"); final Icon icon2 = Icon.createWithContentUri("content://inner/icon2"); final Icon icon3 = Icon.createWithContentUri("content://inner/icon3"); final Icon icon4 = Icon.createWithContentUri("content://inner/icon4"); inner.setImageViewUri(R.id.image, imageUriI); inner.setTextViewCompoundDrawables(R.id.text, icon1, icon2, icon3, icon4); outer.addView(R.id.layout, inner); Consumer visitor = (Consumer) spy(Consumer.class); outer.visitUris(visitor); verify(visitor, times(1)).accept(eq(imageUriI)); verify(visitor, times(1)).accept(eq(icon1.getUri())); verify(visitor, times(1)).accept(eq(icon2.getUri())); verify(visitor, times(1)).accept(eq(icon3.getUri())); verify(visitor, times(1)).accept(eq(icon4.getUri())); } @Test public void visitUris_separateOrientation() { final RemoteViews landscape = new RemoteViews(mPackage, R.layout.remote_views_test); final Uri imageUriL = Uri.parse("content://landscape/image"); final Icon icon1L = Icon.createWithContentUri("content://landscape/icon1"); final Icon icon2L = Icon.createWithContentUri("content://landscape/icon2"); final Icon icon3L = Icon.createWithContentUri("content://landscape/icon3"); final Icon icon4L = Icon.createWithContentUri("content://landscape/icon4"); landscape.setImageViewUri(R.id.image, imageUriL); landscape.setTextViewCompoundDrawables(R.id.text, icon1L, icon2L, icon3L, icon4L); final RemoteViews portrait = new RemoteViews(mPackage, 33); final Uri imageUriP = Uri.parse("content://portrait/image"); final Icon icon1P = Icon.createWithContentUri("content://portrait/icon1"); final Icon icon2P = Icon.createWithContentUri("content://portrait/icon2"); final Icon icon3P = Icon.createWithContentUri("content://portrait/icon3"); final Icon icon4P = Icon.createWithContentUri("content://portrait/icon4"); portrait.setImageViewUri(R.id.image, imageUriP); portrait.setTextViewCompoundDrawables(R.id.text, icon1P, icon2P, icon3P, icon4P); RemoteViews views = new RemoteViews(landscape, portrait); Consumer visitor = (Consumer) spy(Consumer.class); views.visitUris(visitor); verify(visitor, times(1)).accept(eq(imageUriL)); verify(visitor, times(1)).accept(eq(icon1L.getUri())); verify(visitor, times(1)).accept(eq(icon2L.getUri())); verify(visitor, times(1)).accept(eq(icon3L.getUri())); verify(visitor, times(1)).accept(eq(icon4L.getUri())); verify(visitor, times(1)).accept(eq(imageUriP)); verify(visitor, times(1)).accept(eq(icon1P.getUri())); verify(visitor, times(1)).accept(eq(icon2P.getUri())); verify(visitor, times(1)).accept(eq(icon3P.getUri())); verify(visitor, times(1)).accept(eq(icon4P.getUri())); } @Test public void visitUris_sizedViews() { final RemoteViews large = new RemoteViews(mPackage, R.layout.remote_views_test); final Uri imageUriL = Uri.parse("content://large/image"); final Icon icon1L = Icon.createWithContentUri("content://large/icon1"); final Icon icon2L = Icon.createWithContentUri("content://large/icon2"); final Icon icon3L = Icon.createWithContentUri("content://large/icon3"); final Icon icon4L = Icon.createWithContentUri("content://large/icon4"); large.setImageViewUri(R.id.image, imageUriL); large.setTextViewCompoundDrawables(R.id.text, icon1L, icon2L, icon3L, icon4L); final RemoteViews small = new RemoteViews(mPackage, 33); final Uri imageUriS = Uri.parse("content://small/image"); final Icon icon1S = Icon.createWithContentUri("content://small/icon1"); final Icon icon2S = Icon.createWithContentUri("content://small/icon2"); final Icon icon3S = Icon.createWithContentUri("content://small/icon3"); final Icon icon4S = Icon.createWithContentUri("content://small/icon4"); small.setImageViewUri(R.id.image, imageUriS); small.setTextViewCompoundDrawables(R.id.text, icon1S, icon2S, icon3S, icon4S); HashMap sizedViews = new HashMap<>(); sizedViews.put(new SizeF(300, 300), large); sizedViews.put(new SizeF(100, 100), small); RemoteViews views = new RemoteViews(sizedViews); Consumer visitor = (Consumer) spy(Consumer.class); views.visitUris(visitor); verify(visitor, times(1)).accept(eq(imageUriL)); verify(visitor, times(1)).accept(eq(icon1L.getUri())); verify(visitor, times(1)).accept(eq(icon2L.getUri())); verify(visitor, times(1)).accept(eq(icon3L.getUri())); verify(visitor, times(1)).accept(eq(icon4L.getUri())); verify(visitor, times(1)).accept(eq(imageUriS)); verify(visitor, times(1)).accept(eq(icon1S.getUri())); verify(visitor, times(1)).accept(eq(icon2S.getUri())); verify(visitor, times(1)).accept(eq(icon3S.getUri())); verify(visitor, times(1)).accept(eq(icon4S.getUri())); } @Test public void layoutInflaterFactory_nothingSet_returnsNull() { final RemoteViews rv = new RemoteViews(mPackage, R.layout.remote_views_test); assertNull(rv.getLayoutInflaterFactory()); } @Test public void layoutInflaterFactory_replacesImageView_viewReplaced() { final RemoteViews rv = new RemoteViews(mPackage, R.layout.remote_views_test); final View replacement = new FrameLayout(mContext); replacement.setId(1337); LayoutInflater.Factory2 factory = createLayoutInflaterFactory("ImageView", replacement); rv.setLayoutInflaterFactory(factory); // Now inflate the views. View inflated = rv.apply(mContext, mContainer); assertEquals(factory, rv.getLayoutInflaterFactory()); View replacedFrameLayout = inflated.findViewById(1337); assertNotNull(replacedFrameLayout); assertEquals(replacement, replacedFrameLayout); // ImageView should be fully replaced. assertNull(inflated.findViewById(R.id.image)); } @Test public void layoutInflaterFactory_replacesImageView_settersStillFunctional() { final RemoteViews rv = new RemoteViews(mPackage, R.layout.remote_views_test); final TextView replacement = new TextView(mContext); replacement.setId(R.id.text); final String testText = "testText"; rv.setLayoutInflaterFactory(createLayoutInflaterFactory("TextView", replacement)); rv.setTextViewText(R.id.text, testText); // Now inflate the views. View inflated = rv.apply(mContext, mContainer); TextView replacedTextView = inflated.findViewById(R.id.text); assertSame(replacement, replacedTextView); assertEquals(testText, replacedTextView.getText()); } @Test public void estimateMemoryUsage() { Bitmap b1 = Bitmap.createBitmap(1024, 768, Bitmap.Config.ARGB_8888); int b1Memory = b1.getAllocationByteCount(); Bitmap b2 = Bitmap.createBitmap(640, 480, Bitmap.Config.ARGB_8888); int b2Memory = b2.getAllocationByteCount(); Bitmap b3 = Bitmap.createBitmap(800, 600, Bitmap.Config.ARGB_8888); int b3Memory = b3.getAllocationByteCount(); final RemoteViews rv = new RemoteViews(mPackage, R.layout.remote_views_test); assertEquals(0, rv.estimateMemoryUsage()); assertEquals(0, rv.estimateIconMemoryUsage()); assertEquals(0, rv.estimateTotalBitmapMemoryUsage()); rv.setBitmap(R.id.view, "", b1); rv.setImageViewBitmap(R.id.view, b1); // second instance of b1 is cached rv.setBitmap(R.id.view, "", b2); assertEquals(b1Memory + b2Memory, rv.estimateMemoryUsage()); assertEquals(0, rv.estimateIconMemoryUsage()); assertEquals(b1Memory + b2Memory, rv.estimateTotalBitmapMemoryUsage()); rv.setIcon(R.id.view, "", Icon.createWithBitmap(b2)); rv.setIcon(R.id.view, "", Icon.createWithBitmap(b3)); rv.setImageViewIcon(R.id.view, Icon.createWithBitmap(b3)); assertEquals(b1Memory + b2Memory, rv.estimateMemoryUsage()); assertEquals(b2Memory + (2 * b3Memory), rv.estimateIconMemoryUsage()); assertEquals(b1Memory + (2 * b2Memory) + (2 * b3Memory), rv.estimateTotalBitmapMemoryUsage()); } @Test public void estimateMemoryUsage_landscapePortrait() { Bitmap b1 = Bitmap.createBitmap(1024, 768, Bitmap.Config.ARGB_8888); int b1Memory = b1.getAllocationByteCount(); Bitmap b2 = Bitmap.createBitmap(640, 480, Bitmap.Config.ARGB_8888); int b2Memory = b2.getAllocationByteCount(); Bitmap b3 = Bitmap.createBitmap(800, 600, Bitmap.Config.ARGB_8888); int b3Memory = b3.getAllocationByteCount(); Bitmap b4 = Bitmap.createBitmap(320, 240, Bitmap.Config.ARGB_8888); int b4Memory = b4.getAllocationByteCount(); // Landscape and portrait using same bitmaps get counted twice. final RemoteViews rv = new RemoteViews(mPackage, R.layout.remote_views_test); rv.setBitmap(R.id.view, "", b1); rv.setIcon(R.id.view, "", Icon.createWithBitmap(b2)); RemoteViews landscapePortraitViews = new RemoteViews(rv, rv); assertEquals(b1Memory, landscapePortraitViews.estimateMemoryUsage()); assertEquals(2 * b2Memory, landscapePortraitViews.estimateIconMemoryUsage()); assertEquals(b1Memory + (2 * b2Memory), landscapePortraitViews.estimateTotalBitmapMemoryUsage()); final RemoteViews rv2 = new RemoteViews(mPackage, R.layout.remote_views_test); rv.setBitmap(R.id.view, "", b3); rv.setIcon(R.id.view, "", Icon.createWithBitmap(b4)); landscapePortraitViews = new RemoteViews(rv, rv2); assertEquals(b1Memory + b3Memory, landscapePortraitViews.estimateMemoryUsage()); assertEquals(b2Memory + b4Memory, landscapePortraitViews.estimateIconMemoryUsage()); assertEquals(b1Memory + b2Memory + b3Memory + b4Memory, landscapePortraitViews.estimateTotalBitmapMemoryUsage()); } @Test public void estimateMemoryUsage_sizedViews() { Bitmap b1 = Bitmap.createBitmap(1024, 768, Bitmap.Config.ARGB_8888); int b1Memory = b1.getAllocationByteCount(); Bitmap b2 = Bitmap.createBitmap(640, 480, Bitmap.Config.ARGB_8888); int b2Memory = b2.getAllocationByteCount(); Bitmap b3 = Bitmap.createBitmap(800, 600, Bitmap.Config.ARGB_8888); int b3Memory = b3.getAllocationByteCount(); Bitmap b4 = Bitmap.createBitmap(320, 240, Bitmap.Config.ARGB_8888); int b4Memory = b4.getAllocationByteCount(); // Sized views using same bitmaps do not get counted twice. final RemoteViews rv = new RemoteViews(mPackage, R.layout.remote_views_test); rv.setBitmap(R.id.view, "", b1); rv.setIcon(R.id.view, "", Icon.createWithBitmap(b2)); RemoteViews sizedViews = new RemoteViews( Map.of(new SizeF(0f, 0f), rv, new SizeF(1f, 1f), rv)); assertEquals(b1Memory, sizedViews.estimateMemoryUsage()); assertEquals(2 * b2Memory, sizedViews.estimateIconMemoryUsage()); assertEquals(b1Memory + (2 * b2Memory), sizedViews.estimateTotalBitmapMemoryUsage()); final RemoteViews rv2 = new RemoteViews(mPackage, R.layout.remote_views_test); rv.setBitmap(R.id.view, "", b3); rv.setIcon(R.id.view, "", Icon.createWithBitmap(b4)); sizedViews = new RemoteViews(Map.of(new SizeF(0f, 0f), rv, new SizeF(1f, 1f), rv2)); assertEquals(b1Memory + b3Memory, sizedViews.estimateMemoryUsage()); assertEquals(b2Memory + b4Memory, sizedViews.estimateIconMemoryUsage()); assertEquals(b1Memory + b2Memory + b3Memory + b4Memory, sizedViews.estimateTotalBitmapMemoryUsage()); } @Test public void estimateMemoryUsage_nestedViews() { Bitmap b1 = Bitmap.createBitmap(1024, 768, Bitmap.Config.ARGB_8888); int b1Memory = b1.getAllocationByteCount(); Bitmap b2 = Bitmap.createBitmap(640, 480, Bitmap.Config.ARGB_8888); int b2Memory = b2.getAllocationByteCount(); final RemoteViews rv1 = new RemoteViews(mPackage, R.layout.remote_views_test); rv1.setBitmap(R.id.view, "", b1); final RemoteViews rv2 = new RemoteViews(mPackage, R.layout.remote_views_test); rv2.setIcon(R.id.view, "", Icon.createWithBitmap(b2)); final RemoteViews rv = new RemoteViews(mPackage, R.layout.remote_views_test); rv.addView(R.id.view, rv1); rv.addView(R.id.view, rv2); assertEquals(b1Memory, rv.estimateMemoryUsage()); assertEquals(b2Memory, rv.estimateIconMemoryUsage()); assertEquals(b1Memory + b2Memory, rv.estimateTotalBitmapMemoryUsage()); } @Test public void estimateMemoryUsage_remoteCollectionItems() { Bitmap b1 = Bitmap.createBitmap(1024, 768, Bitmap.Config.ARGB_8888); int b1Memory = b1.getAllocationByteCount(); Bitmap b2 = Bitmap.createBitmap(640, 480, Bitmap.Config.ARGB_8888); int b2Memory = b2.getAllocationByteCount(); final RemoteViews rv1 = new RemoteViews(mPackage, R.layout.remote_views_test); rv1.setBitmap(R.id.view, "", b1); final RemoteViews rv2 = new RemoteViews(mPackage, R.layout.remote_views_test); rv2.setIcon(R.id.view, "", Icon.createWithBitmap(b2)); final RemoteViews rv = new RemoteViews(mPackage, R.layout.remote_views_test); rv.setRemoteAdapter(R.id.view, new RemoteViews.RemoteCollectionItems.Builder().addItem(0L, rv1).addItem(1L, rv2).build()); assertEquals(b1Memory, rv.estimateMemoryUsage()); assertEquals(b2Memory, rv.estimateIconMemoryUsage()); assertEquals(b1Memory + b2Memory, rv.estimateTotalBitmapMemoryUsage()); } @Test public void remoteResponse_FillInIntentNestedIntentKeysCollected() { Intent fillInIntent = new Intent(); fillInIntent.putExtra("extraIntent", new Intent()); RemoteViews.RemoteResponse.fromFillInIntent(fillInIntent); assertNotEquals(0, fillInIntent.getExtendedFlags() & Intent.EXTENDED_FLAG_NESTED_INTENT_KEYS_COLLECTED); fillInIntent = new Intent(); fillInIntent.putExtra("extraIntent", new Intent()); RemoteViews rv = new RemoteViews(mPackage, R.layout.remote_views_test); rv.setOnClickFillInIntent(R.id.view, fillInIntent); assertNotEquals(0, fillInIntent.getExtendedFlags() & Intent.EXTENDED_FLAG_NESTED_INTENT_KEYS_COLLECTED); RemoteViews.RemoteResponse rr = RemoteViews.RemoteResponse.fromFillInIntent(null); assertNotNull(rr); } @Test @EnableFlags(Flags.FLAG_REMOTE_ADAPTER_CONVERSION) public void collectAllIntents_collects_results_from_binder() throws Exception { assumeTrue(remoteAdapterConversion()); Intent testIntent = new Intent("action_1") .setComponent(new ComponentName(mPackage, "dummy")); RemoteViews views = new RemoteViews(mPackage, R.layout.remote_views_list); views.setRemoteAdapter(R.id.list, testIntent); ServiceCollectionCache cache = mock(ServiceCollectionCache.class); CompletableFuture result = views.collectAllIntents(10, true, cache); ArgumentCaptor> taskCaptor = ArgumentCaptor.forClass(Consumer.class); verify(cache).connectAndConsume(eq(testIntent), taskCaptor.capture()); assertFalse(result.isDone()); ViewsFactory factory = spy(new ViewsFactory(0)); doReturn(factory).when(factory).queryLocalInterface(any()); taskCaptor.getValue().accept(factory); verify(factory).getRemoteCollectionItems(anyInt(), eq(10), eq(true)); assertTrue(result.isDone()); assertFalse(result.isCompletedExceptionally()); } @Test @EnableFlags(Flags.FLAG_REMOTE_ADAPTER_CONVERSION) public void collectAllIntents_captures_errors_from_binder() throws Exception { assumeTrue(remoteAdapterConversion()); Intent testIntent = new Intent("action_1") .setComponent(new ComponentName(mPackage, "dummy")); RemoteViews views = new RemoteViews(mPackage, R.layout.remote_views_list); views.setRemoteAdapter(R.id.list, testIntent); ServiceCollectionCache cache = mock(ServiceCollectionCache.class); CompletableFuture result = views.collectAllIntents(10, true, cache); ArgumentCaptor> taskCaptor = ArgumentCaptor.forClass(Consumer.class); verify(cache).connectAndConsume(eq(testIntent), taskCaptor.capture()); assertFalse(result.isDone()); ViewsFactory factory = spy(new ViewsFactory(0)); doReturn(factory).when(factory).queryLocalInterface(any()); doThrow(new RemoteException("test_error")).when(factory) .getRemoteCollectionItems(anyInt(), anyInt(), anyBoolean()); taskCaptor.getValue().accept(factory); assertTrue(result.isDone()); assertTrue(result.isCompletedExceptionally()); } @Test public void setChronometer_withElapsedRealtime() { long elapsedRealtime = SystemClock.elapsedRealtime(); RemoteViews remoteViews = new RemoteViews(mPackage, R.layout.chronometer_layout); remoteViews.setChronometer(R.id.chronometer, elapsedRealtime, null, false); View inflated = remoteViews.apply(mContext, mContainer); Chronometer chronometer = inflated.findViewById(R.id.chronometer); assertThat(chronometer).isNotNull(); assertThat(chronometer.getBase()).isEqualTo(elapsedRealtime); } @Test public void setChronometer_withSystemClockInstant() { Instant instant = InstantSource.system().instant(); long elapsedRealtime = SystemClock.elapsedRealtime(); RemoteViews remoteViews = new RemoteViews(mPackage, R.layout.chronometer_layout); remoteViews.setChronometer(R.id.chronometer, instant, null, false); View inflated = remoteViews.apply(mContext, mContainer); Chronometer chronometer = inflated.findViewById(R.id.chronometer); assertThat(chronometer).isNotNull(); assertThat(chronometer.getBase()).isWithin(500).of(elapsedRealtime); } @Test public void setPausedChronometer_showsDuration() { long elapsedRealtime = SystemClock.elapsedRealtime(); Duration pausedDuration = Duration.ofMinutes(3); RemoteViews remoteViews = new RemoteViews(mPackage, R.layout.chronometer_layout); remoteViews.setChronometerPaused(R.id.chronometer, pausedDuration); View inflated = remoteViews.apply(mContext, mContainer); Chronometer chronometer = inflated.findViewById(R.id.chronometer); assertThat(chronometer).isNotNull(); assertThat(chronometer.getText()).isEqualTo("03:00"); assertThat(chronometer.getBase()).isWithin(500) .of(elapsedRealtime - pausedDuration.toMillis()); } @Test public void createPreviewFromProto_afterWritePreviewToProto_restoresActionWithInstant() throws Exception { RemoteViews original = new RemoteViews(mPackage, R.layout.chronometer_layout); Instant instant = InstantSource.system().instant().minus(30, MINUTES); original.setChronometer(R.id.chronometer, instant, null, false); ProtoOutputStream outputStream = new ProtoOutputStream(); original.writePreviewToProto(mContext, outputStream); ProtoInputStream inputStream = new ProtoInputStream(outputStream.getBytes()); RemoteViews restored = RemoteViews.createPreviewFromProto(mContext, inputStream); // Verify by applying. View inflated = restored.apply(mContext, mContainer); Chronometer chronometer = inflated.findViewById(R.id.chronometer); assertThat(chronometer.getText()).isEqualTo("30:00"); } @Test public void createPreviewFromProto_afterWritePreviewToProto_restoresActionWithDuration() throws Exception { RemoteViews original = new RemoteViews(mPackage, R.layout.chronometer_layout); Duration pausedDuration = Duration.ofMinutes(5); original.setChronometerPaused(R.id.chronometer, pausedDuration); ProtoOutputStream outputStream = new ProtoOutputStream(); original.writePreviewToProto(mContext, outputStream); ProtoInputStream inputStream = new ProtoInputStream(outputStream.getBytes()); RemoteViews restored = RemoteViews.createPreviewFromProto(mContext, inputStream); // Verify by applying. View inflated = restored.apply(mContext, mContainer); Chronometer chronometer = inflated.findViewById(R.id.chronometer); assertThat(chronometer.getText()).isEqualTo("05:00"); } private static LayoutInflater.Factory2 createLayoutInflaterFactory(String viewTypeToReplace, View replacementView) { return new LayoutInflater.Factory2() { @Nullable @Override public View onCreateView(@Nullable View parent, @NonNull String name, @NonNull Context context, @NonNull AttributeSet attrs) { if (viewTypeToReplace.equals(name)) { return replacementView; } return null; } @Nullable @Override public View onCreateView(@NonNull String name, @NonNull Context context, @NonNull AttributeSet attrs) { return null; } }; } }