| /* |
| * 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.content.res; |
| |
| import android.annotation.NonNull; |
| import android.app.ResourcesManager; |
| import android.os.Binder; |
| import android.os.LocaleList; |
| import android.util.DisplayMetrics; |
| import android.util.TypedValue; |
| import android.view.Display; |
| import android.view.DisplayAdjustments; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import junit.framework.TestCase; |
| |
| public class ResourcesManagerTest extends TestCase { |
| private static final String APP_ONE_RES_DIR = "app_one.apk"; |
| private static final String APP_ONE_RES_SPLIT_DIR = "app_one_split.apk"; |
| private static final String APP_TWO_RES_DIR = "app_two.apk"; |
| private static final String LIB_RES_DIR = "lib.apk"; |
| |
| private ResourcesManager mResourcesManager; |
| private DisplayMetrics mDisplayMetrics; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| |
| mDisplayMetrics = new DisplayMetrics(); |
| mDisplayMetrics.setToDefaults(); |
| |
| // Override defaults (which take device specific properties). |
| mDisplayMetrics.density = 1.0f; |
| mDisplayMetrics.densityDpi = DisplayMetrics.DENSITY_DEFAULT; |
| mDisplayMetrics.xdpi = DisplayMetrics.DENSITY_DEFAULT; |
| mDisplayMetrics.ydpi = DisplayMetrics.DENSITY_DEFAULT; |
| mDisplayMetrics.noncompatDensity = mDisplayMetrics.density; |
| mDisplayMetrics.noncompatDensityDpi = mDisplayMetrics.densityDpi; |
| mDisplayMetrics.noncompatXdpi = DisplayMetrics.DENSITY_DEFAULT; |
| mDisplayMetrics.noncompatYdpi = DisplayMetrics.DENSITY_DEFAULT; |
| |
| mResourcesManager = new ResourcesManager() { |
| @Override |
| protected AssetManager createAssetManager(@NonNull ResourcesKey key) { |
| return new AssetManager(); |
| } |
| |
| @Override |
| protected DisplayMetrics getDisplayMetrics(int displayId, DisplayAdjustments daj) { |
| return mDisplayMetrics; |
| } |
| }; |
| } |
| |
| @SmallTest |
| public void testMultipleCallsWithIdenticalParametersCacheReference() { |
| Resources resources = mResourcesManager.getResources( |
| null, APP_ONE_RES_DIR, null, null, null, Display.DEFAULT_DISPLAY, null, |
| CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(resources); |
| |
| Resources newResources = mResourcesManager.getResources( |
| null, APP_ONE_RES_DIR, null, null, null, Display.DEFAULT_DISPLAY, null, |
| CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(newResources); |
| assertSame(resources, newResources); |
| } |
| |
| @SmallTest |
| public void testMultipleCallsWithDifferentParametersReturnDifferentReferences() { |
| Resources resources = mResourcesManager.getResources( |
| null, APP_ONE_RES_DIR, null, null, null, Display.DEFAULT_DISPLAY, null, |
| CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(resources); |
| |
| Configuration overrideConfig = new Configuration(); |
| overrideConfig.smallestScreenWidthDp = 200; |
| Resources newResources = mResourcesManager.getResources( |
| null, APP_ONE_RES_DIR, null, null, null, Display.DEFAULT_DISPLAY, overrideConfig, |
| CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(newResources); |
| assertNotSame(resources, newResources); |
| } |
| |
| @SmallTest |
| public void testAddingASplitCreatesANewImpl() { |
| Resources resources1 = mResourcesManager.getResources( |
| null, APP_ONE_RES_DIR, null, null, null, Display.DEFAULT_DISPLAY, null, |
| CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(resources1); |
| |
| Resources resources2 = mResourcesManager.getResources( |
| null, APP_ONE_RES_DIR, new String[] { APP_ONE_RES_SPLIT_DIR }, null, null, |
| Display.DEFAULT_DISPLAY, null, CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(resources2); |
| |
| assertNotSame(resources1, resources2); |
| assertNotSame(resources1.getImpl(), resources2.getImpl()); |
| } |
| |
| @SmallTest |
| public void testUpdateConfigurationUpdatesAllAssetManagers() { |
| Resources resources1 = mResourcesManager.getResources( |
| null, APP_ONE_RES_DIR, null, null, null, Display.DEFAULT_DISPLAY, null, |
| CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(resources1); |
| |
| Resources resources2 = mResourcesManager.getResources( |
| null, APP_TWO_RES_DIR, null, null, null, Display.DEFAULT_DISPLAY, null, |
| CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(resources2); |
| |
| Binder activity = new Binder(); |
| final Configuration overrideConfig = new Configuration(); |
| overrideConfig.orientation = Configuration.ORIENTATION_LANDSCAPE; |
| Resources resources3 = mResourcesManager.getResources( |
| activity, APP_ONE_RES_DIR, null, null, null, Display.DEFAULT_DISPLAY, |
| overrideConfig, CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(resources3); |
| |
| // No Resources object should be the same. |
| assertNotSame(resources1, resources2); |
| assertNotSame(resources1, resources3); |
| assertNotSame(resources2, resources3); |
| |
| // Each ResourcesImpl should be different. |
| assertNotSame(resources1.getImpl(), resources2.getImpl()); |
| assertNotSame(resources1.getImpl(), resources3.getImpl()); |
| assertNotSame(resources2.getImpl(), resources3.getImpl()); |
| |
| Configuration newConfig = new Configuration(); |
| newConfig.orientation = Configuration.ORIENTATION_LANDSCAPE; |
| mResourcesManager.applyConfigurationToResourcesLocked(newConfig, null); |
| |
| final Configuration expectedConfig = new Configuration(); |
| expectedConfig.setToDefaults(); |
| expectedConfig.setLocales(LocaleList.getAdjustedDefault()); |
| expectedConfig.densityDpi = mDisplayMetrics.densityDpi; |
| expectedConfig.orientation = Configuration.ORIENTATION_LANDSCAPE; |
| |
| assertEquals(expectedConfig, resources1.getConfiguration()); |
| assertEquals(expectedConfig, resources2.getConfiguration()); |
| assertEquals(expectedConfig, resources3.getConfiguration()); |
| } |
| |
| @SmallTest |
| public void testTwoActivitiesWithIdenticalParametersShareImpl() { |
| Binder activity1 = new Binder(); |
| Resources resources1 = mResourcesManager.getResources( |
| activity1, APP_ONE_RES_DIR, null, null, null, Display.DEFAULT_DISPLAY, null, |
| CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(resources1); |
| |
| Binder activity2 = new Binder(); |
| Resources resources2 = mResourcesManager.getResources( |
| activity2, APP_ONE_RES_DIR, null, null, null, Display.DEFAULT_DISPLAY, null, |
| CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(resources1); |
| |
| // The references themselves should be unique. |
| assertNotSame(resources1, resources2); |
| |
| // The implementations should be the same. |
| assertSame(resources1.getImpl(), resources2.getImpl()); |
| } |
| |
| @SmallTest |
| public void testThemesGetUpdatedWithNewImpl() { |
| Binder activity1 = new Binder(); |
| Resources resources1 = mResourcesManager.createBaseActivityResources( |
| activity1, APP_ONE_RES_DIR, null, null, null, Display.DEFAULT_DISPLAY, null, |
| CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(resources1); |
| |
| Resources.Theme theme = resources1.newTheme(); |
| assertSame(resources1, theme.getResources()); |
| theme.applyStyle(android.R.style.Theme_NoTitleBar, false); |
| |
| TypedValue value = new TypedValue(); |
| assertTrue(theme.resolveAttribute(android.R.attr.windowNoTitle, value, true)); |
| assertEquals(TypedValue.TYPE_INT_BOOLEAN, value.type); |
| assertTrue(value.data != 0); |
| |
| final Configuration overrideConfig = new Configuration(); |
| overrideConfig.orientation = Configuration.ORIENTATION_LANDSCAPE; |
| mResourcesManager.updateResourcesForActivity(activity1, overrideConfig, |
| Display.DEFAULT_DISPLAY, false /* movedToDifferentDisplay */); |
| assertSame(resources1, theme.getResources()); |
| |
| // Make sure we can still access the data. |
| assertTrue(theme.resolveAttribute(android.R.attr.windowNoTitle, value, true)); |
| assertEquals(TypedValue.TYPE_INT_BOOLEAN, value.type); |
| assertTrue(value.data != 0); |
| } |
| |
| @SmallTest |
| public void testMultipleResourcesForOneActivityGetUpdatedWhenActivityBaseUpdates() { |
| Binder activity1 = new Binder(); |
| |
| // Create a Resources for the Activity. |
| Configuration config1 = new Configuration(); |
| config1.densityDpi = 280; |
| Resources resources1 = mResourcesManager.createBaseActivityResources( |
| activity1, APP_ONE_RES_DIR, null, null, null, Display.DEFAULT_DISPLAY, config1, |
| CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(resources1); |
| |
| // Create a Resources based on the Activity. |
| Configuration config2 = new Configuration(); |
| config2.screenLayout |= Configuration.SCREENLAYOUT_ROUND_YES; |
| Resources resources2 = mResourcesManager.getResources( |
| activity1, APP_ONE_RES_DIR, null, null, null, Display.DEFAULT_DISPLAY, config2, |
| CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); |
| assertNotNull(resources2); |
| |
| assertNotSame(resources1, resources2); |
| assertNotSame(resources1.getImpl(), resources2.getImpl()); |
| |
| final Configuration expectedConfig1 = new Configuration(); |
| expectedConfig1.setToDefaults(); |
| expectedConfig1.setLocales(LocaleList.getAdjustedDefault()); |
| expectedConfig1.densityDpi = 280; |
| assertEquals(expectedConfig1, resources1.getConfiguration()); |
| |
| // resources2 should be based on the Activity's override config, so the density should |
| // be the same as resources1. |
| final Configuration expectedConfig2 = new Configuration(); |
| expectedConfig2.setToDefaults(); |
| expectedConfig2.setLocales(LocaleList.getAdjustedDefault()); |
| expectedConfig2.densityDpi = 280; |
| expectedConfig2.screenLayout |= Configuration.SCREENLAYOUT_ROUND_YES; |
| assertEquals(expectedConfig2, resources2.getConfiguration()); |
| |
| // Now update the Activity base override, and both resources should update. |
| config1.orientation = Configuration.ORIENTATION_LANDSCAPE; |
| mResourcesManager.updateResourcesForActivity(activity1, config1, Display.DEFAULT_DISPLAY, |
| false /* movedToDifferentDisplay */); |
| |
| expectedConfig1.orientation = Configuration.ORIENTATION_LANDSCAPE; |
| assertEquals(expectedConfig1, resources1.getConfiguration()); |
| |
| expectedConfig2.orientation = Configuration.ORIENTATION_LANDSCAPE; |
| assertEquals(expectedConfig2, resources2.getConfiguration()); |
| } |
| } |