| /* |
| * 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 android.content.Context; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.os.AsyncTask; |
| import android.os.Parcel; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.view.View; |
| import android.view.ViewGroup; |
| |
| 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 static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.concurrent.CountDownLatch; |
| |
| /** |
| * 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(); |
| |
| 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_doesNotCopyBitmap() { |
| RemoteViews original = new RemoteViews(mPackage, R.layout.remote_views_test); |
| Bitmap bitmap = Bitmap.createBitmap(10, 10, Bitmap.Config.ARGB_8888); |
| |
| original.setImageViewBitmap(R.id.image, bitmap); |
| RemoteViews clone = original.clone(); |
| View inflated = clone.apply(mContext, mContainer); |
| |
| Drawable drawable = ((ImageView) inflated.findViewById(R.id.image)).getDrawable(); |
| assertSame(bitmap, ((BitmapDrawable)drawable).getBitmap()); |
| } |
| |
| @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(); |
| } |
| |
| @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"); |
| } |
| |
| 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<String> 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<String> 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; |
| } |
| } |
| |
| @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; |
| } |
| views.clone(); |
| |
| 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; |
| } |
| exception.expect(IllegalArgumentException.class); |
| views.clone(); |
| } |
| |
| @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)); |
| } |
| views.clone(); |
| |
| 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; |
| } |
| exception.expect(IllegalArgumentException.class); |
| views.clone(); |
| } |
| } |