/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server;
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import android.app.ActivityThread;
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import android.app.WallpaperManager;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.graphics.Bitmap;
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import android.os.AsyncTask;
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import android.util.Slog;
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/**
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* Receiver responsible for updating the wallpaper when the device
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* configuration has changed.
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*
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* @hide
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*/
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public class WallpaperUpdateReceiver extends BroadcastReceiver {
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private static final String TAG = "WallpaperUpdateReceiver";
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private static final boolean DEBUG = false;
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@Override
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public void onReceive(final Context context, final Intent intent) {
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if (DEBUG) Slog.d(TAG, "onReceive: " + intent);
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if (intent != null && Intent.ACTION_DEVICE_CUSTOMIZATION_READY.equals(intent.getAction())) {
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AsyncTask.execute(this::updateWallpaper);
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}
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}
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private void updateWallpaper() {
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try {
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ActivityThread currentActivityThread = ActivityThread.currentActivityThread();
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Context uiContext = currentActivityThread.getSystemUiContext();
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WallpaperManager wallpaperManager = WallpaperManager.getInstance(uiContext);
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if (DEBUG) Slog.d(TAG, "Set customized default_wallpaper.");
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Bitmap blank = Bitmap.createBitmap(1, 1, Bitmap.Config.ALPHA_8);
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// set a blank wallpaper to force a redraw of default_wallpaper
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wallpaperManager.setBitmap(blank);
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wallpaperManager.setResource(com.android.internal.R.drawable.default_wallpaper);
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} catch (Exception e) {
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Slog.w(TAG, "Failed to customize system wallpaper." + e);
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}
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}
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}
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