diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml index 91b98694a6234..83f30573fda84 100644 --- a/core/res/AndroidManifest.xml +++ b/core/res/AndroidManifest.xml @@ -4611,6 +4611,13 @@ + + + + + + diff --git a/services/core/java/com/android/server/WallpaperUpdateReceiver.java b/services/core/java/com/android/server/WallpaperUpdateReceiver.java new file mode 100644 index 0000000000000..629e88250a118 --- /dev/null +++ b/services/core/java/com/android/server/WallpaperUpdateReceiver.java @@ -0,0 +1,62 @@ +/* + * 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.server; + +import android.app.ActivityThread; +import android.app.WallpaperManager; +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; +import android.graphics.Bitmap; +import android.os.AsyncTask; +import android.util.Slog; + +/** + * Receiver responsible for updating the wallpaper when the device + * configuration has changed. + * + * @hide + */ +public class WallpaperUpdateReceiver extends BroadcastReceiver { + + private static final String TAG = "WallpaperUpdateReceiver"; + private static final boolean DEBUG = false; + + @Override + public void onReceive(final Context context, final Intent intent) { + if (DEBUG) Slog.d(TAG, "onReceive: " + intent); + + if (intent != null && Intent.ACTION_DEVICE_CUSTOMIZATION_READY.equals(intent.getAction())) { + AsyncTask.execute(this::updateWallpaper); + } + } + + private void updateWallpaper() { + try { + ActivityThread currentActivityThread = ActivityThread.currentActivityThread(); + Context uiContext = currentActivityThread.getSystemUiContext(); + WallpaperManager wallpaperManager = WallpaperManager.getInstance(uiContext); + if (DEBUG) Slog.d(TAG, "Set customized default_wallpaper."); + Bitmap blank = Bitmap.createBitmap(1, 1, Bitmap.Config.ALPHA_8); + // set a blank wallpaper to force a redraw of default_wallpaper + wallpaperManager.setBitmap(blank); + wallpaperManager.setResource(com.android.internal.R.drawable.default_wallpaper); + } catch (Exception e) { + Slog.w(TAG, "Failed to customize system wallpaper." + e); + } + } +}