Merge "Allow activities/services to have app loaders" into rvc-dev am: b390818c60 am: 1aa1d90211

Change-Id: I330d35ee64ea95ea20e36f1e03782976158a0f6f
This commit is contained in:
Automerger Merge Worker
2020-03-03 01:40:58 +00:00
13 changed files with 364 additions and 0 deletions

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@@ -75,6 +75,7 @@ import android.content.res.CompatibilityInfo;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.content.res.Resources.Theme;
import android.content.res.loader.ResourcesLoader;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDebug;
import android.database.sqlite.SQLiteDebug.DbStats;
@@ -3283,6 +3284,12 @@ public final class ActivityThread extends ClientTransactionHandler {
r.mPendingRemoveWindow = null;
r.mPendingRemoveWindowManager = null;
}
// Activity resources must be initialized with the same loaders as the
// application context.
appContext.getResources().addLoaders(
app.getResources().getLoaders().toArray(new ResourcesLoader[0]));
appContext.setOuterContext(activity);
activity.attach(appContext, this, getInstrumentation(), r.token,
r.ident, app, r.intent, r.activityInfo, title, r.parent,
@@ -4083,6 +4090,11 @@ public final class ActivityThread extends ClientTransactionHandler {
java.lang.ClassLoader cl = packageInfo.getClassLoader();
service = packageInfo.getAppFactory()
.instantiateService(cl, data.info.name, data.intent);
// Service resources must be initialized with the same loaders as the application
// context.
context.getResources().addLoaders(
app.getResources().getLoaders().toArray(new ResourcesLoader[0]));
context.setOuterContext(service);
service.attach(context, this, data.info.name, data.token, app,
ActivityManager.getService());

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@@ -0,0 +1,22 @@
//
// Copyright (C) 2020 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.
//
android_test {
name: "AppResourcesLoaders",
srcs: ["**/*.java"],
sdk_version: "current",
java_resources: [":AppResourcesLoaders_Overlay"]
}

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@@ -0,0 +1,31 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2020 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.
-->
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.example.loaders">
<application android:label="AppResourcesLoaders"
android:name=".LoadersApplication">
<activity android:name=".LoaderActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".LoaderActivityIsolated"
android:process="com.android.phone" />
</application>
</manifest>

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@@ -0,0 +1,19 @@
//
// Copyright (C) 2020 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.
//
android_test_helper_app {
name: "AppResourcesLoaders_Overlay",
}

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@@ -0,0 +1,21 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2020 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.
-->
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.example.loaders">
<application android:hasCode="false" />
</manifest>

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@@ -0,0 +1,20 @@
<!--
~ Copyright (C) 2020 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.
-->
<resources>
<string name="loader_present">Loaders present: true</string>
<public type="string" name="loader_present" id="0x7f010000" />
</resources>

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@@ -0,0 +1,25 @@
<!--
~ Copyright (C) 2020 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.
-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_height="match_parent"
android:layout_width="match_parent"
android:gravity="center"
android:orientation="vertical">
<TextView android:text="@string/loader_present"
style="@style/ButtonStyle"/>
</LinearLayout>

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@@ -0,0 +1,29 @@
<!--
~ Copyright (C) 2020 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.
-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_height="match_parent"
android:layout_width="match_parent"
android:gravity="center"
android:orientation="vertical">
<TextView android:text="@string/loader_present"
style="@style/ButtonStyle"/>
<Button android:id="@+id/btn_isolated_activity"
android:text="Launch Isolated Activity"
style="@style/ButtonStyle"/>
</LinearLayout>

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@@ -0,0 +1,23 @@
<!--
~ Copyright (C) 2020 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.
-->
<resources>
<style name="ButtonStyle" >
<item name="android:layout_width">wrap_content</item>
<item name="android:layout_height">40dp</item>
<item name="android:layout_centerInParent">true</item>
</style>
</resources>

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@@ -0,0 +1,20 @@
<!--
~ Copyright (C) 2020 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.
-->
<resources>
<string name="loader_present">Loaders present: false</string>
<public type="string" name="loader_present" id="0x7f010000" />
</resources>

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@@ -0,0 +1,44 @@
/*
* Copyright (C) 2020 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.example.loaders;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
public class LoaderActivity extends Activity {
@Override
protected void attachBaseContext(Context newBase) {
super.attachBaseContext(newBase);
final String loaderPresentOnAttach =
newBase.getResources().getString(R.string.loader_present);
if (loaderPresentOnAttach == null || !loaderPresentOnAttach.endsWith("true")) {
throw new AssertionError("Loader not present in attachBaseContext");
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
findViewById(R.id.btn_isolated_activity).setOnClickListener((v) -> {
startActivity(new Intent(this, LoaderActivityIsolated.class));
});
}
}

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@@ -0,0 +1,40 @@
/*
* Copyright (C) 2020 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.example.loaders;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
public class LoaderActivityIsolated extends Activity {
@Override
protected void attachBaseContext(Context newBase) {
super.attachBaseContext(newBase);
final String loaderPresentOnAttach =
newBase.getResources().getString(R.string.loader_present);
if (loaderPresentOnAttach == null || !loaderPresentOnAttach.endsWith("true")) {
throw new AssertionError("Loader not present in attachBaseContext");
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_isolated);
}
}

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@@ -0,0 +1,58 @@
/*
* Copyright (C) 2020 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.example.loaders;
import android.app.Application;
import android.content.res.Resources;
import android.content.res.loader.ResourcesLoader;
import android.content.res.loader.ResourcesProvider;
import android.os.ParcelFileDescriptor;
import android.util.Log;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
public class LoadersApplication extends Application {
private static final String TAG = "LoadersApplication";
private static final String LOADER_RESOURCES_APK = "AppResourcesLoaders_Overlay.apk";
@Override
public void onCreate() {
try {
final Resources resources = getResources();
final ResourcesLoader loader = new ResourcesLoader();
loader.addProvider(ResourcesProvider.loadFromApk(copyResource(LOADER_RESOURCES_APK)));
resources.addLoaders(loader);
} catch (IOException e) {
throw new IllegalStateException("Failed to load loader resources ", e);
}
}
private ParcelFileDescriptor copyResource(String fileName) throws IOException {
final File apkFile = new File(getFilesDir(), fileName);
final InputStream is = getClassLoader().getResourceAsStream(LOADER_RESOURCES_APK);
final FileOutputStream os = new FileOutputStream(apkFile);
byte[] buffer = new byte[8192];
int count;
while ((count = is.read(buffer)) != -1) {
os.write(buffer, 0, count);
}
return ParcelFileDescriptor.open(apkFile, ParcelFileDescriptor.MODE_READ_ONLY);
}
}