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Code Issues Packages Projects Releases Wiki Activity

Migrate ColorExtractionService to JobService

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IntentService cannot be run in the background, so moving to
JobService prevents us from crashing if the wallpaper is
changed while we aren't running.

Bug: 62065291
Change-Id: Ie0c887e36d0ced43a0b9ab8136bf55eb37697489
This commit is contained in:
Tony
2017-06-02 15:43:26 -07:00
parent 8b6ea60fac
commit 629a67c5ac
4 changed files with 73 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
AndroidManifest-common.xml
View File

@@ -82,7 +82,8 @@
<service android:name="com.android.launcher3.dynamicui.ColorExtractionService"
android:exported="false"
android:process=":wallpaper_chooser">
android:process=":wallpaper_chooser"
android:permission="android.permission.BIND_JOB_SERVICE">
</service>
<service android:name="com.android.launcher3.notification.NotificationListener"

3
src/com/android/launcher3/Utilities.java
View File

@@ -61,7 +61,6 @@ import java.lang.reflect.Method;
import java.util.Collection;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;
import java.util.concurrent.Executor;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
@@ -110,6 +109,8 @@ public final class Utilities {
// An intent extra to indicate the horizontal scroll of the wallpaper.
public static final String EXTRA_WALLPAPER_OFFSET = "com.android.launcher3.WALLPAPER_OFFSET";
public static final int COLOR_EXTRACTION_JOB_ID = 1;
// These values are same as that in {@link AsyncTask}.
private static final int CPU_COUNT = Runtime.getRuntime().availableProcessors();
private static final int CORE_POOL_SIZE = CPU_COUNT + 1;

89
src/com/android/launcher3/dynamicui/ColorExtractionService.java
View File

@@ -17,15 +17,17 @@
package com.android.launcher3.dynamicui;
import android.annotation.TargetApi;
import android.app.IntentService;
import android.app.WallpaperManager;
import android.content.Intent;
import android.app.job.JobParameters;
import android.app.job.JobService;
import android.graphics.Bitmap;
import android.graphics.BitmapRegionDecoder;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.ParcelFileDescriptor;
import android.support.v7.graphics.Palette;
import android.util.Log;
@@ -41,45 +43,76 @@ import java.io.IOException;
/**
* Extracts colors from the wallpaper, and saves results to {@link LauncherProvider}.
*/
public class ColorExtractionService extends IntentService {
public class ColorExtractionService extends JobService {
private static final String TAG = "ColorExtractionService";
private static final boolean DEBUG = false;
/** The fraction of the wallpaper to extract colors for use on the hotseat. */
private static final float HOTSEAT_FRACTION = 1f / 4;
public ColorExtractionService() {
super("ColorExtractionService");
private HandlerThread mWorkerThread;
private Handler mWorkerHandler;
@Override
public void onCreate() {
super.onCreate();
mWorkerThread = new HandlerThread("ColorExtractionService");
mWorkerThread.start();
mWorkerHandler = new Handler(mWorkerThread.getLooper());
}
@Override
protected void onHandleIntent(Intent intent) {
WallpaperManager wallpaperManager = WallpaperManager.getInstance(this);
int wallpaperId = ExtractionUtils.getWallpaperId(wallpaperManager);
public void onDestroy() {
super.onDestroy();
mWorkerThread.quit();
}
ExtractedColors extractedColors = new ExtractedColors();
if (wallpaperManager.getWallpaperInfo() != null) {
// We can't extract colors from live wallpapers, so just use the default color always.
extractedColors.updateHotseatPalette(null);
} else {
// We extract colors for the hotseat and status bar separately,
// since they only consider part of the wallpaper.
extractedColors.updateHotseatPalette(getHotseatPalette());
@Override
public boolean onStartJob(final JobParameters jobParameters) {
if (DEBUG) Log.d(TAG, "onStartJob");
mWorkerHandler.post(new Runnable() {
@Override
public void run() {
WallpaperManager wallpaperManager = WallpaperManager.getInstance(
ColorExtractionService.this);
int wallpaperId = ExtractionUtils.getWallpaperId(wallpaperManager);
if (FeatureFlags.LIGHT_STATUS_BAR) {
extractedColors.updateStatusBarPalette(getStatusBarPalette());
ExtractedColors extractedColors = new ExtractedColors();
if (wallpaperManager.getWallpaperInfo() != null) {
// We can't extract colors from live wallpapers; always use the default color.
extractedColors.updateHotseatPalette(null);
} else {
// We extract colors for the hotseat and status bar separately,
// since they only consider part of the wallpaper.
extractedColors.updateHotseatPalette(getHotseatPalette());
if (FeatureFlags.LIGHT_STATUS_BAR) {
extractedColors.updateStatusBarPalette(getStatusBarPalette());
}
}
// Save the extracted colors and wallpaper id to LauncherProvider.
String colorsString = extractedColors.encodeAsString();
Bundle extras = new Bundle();
extras.putInt(LauncherSettings.Settings.EXTRA_WALLPAPER_ID, wallpaperId);
extras.putString(LauncherSettings.Settings.EXTRA_EXTRACTED_COLORS, colorsString);
getContentResolver().call(
LauncherSettings.Settings.CONTENT_URI,
LauncherSettings.Settings.METHOD_SET_EXTRACTED_COLORS_AND_WALLPAPER_ID,
null, extras);
jobFinished(jobParameters, false /* needsReschedule */);
if (DEBUG) Log.d(TAG, "job finished!");
}
}
});
return true;
}
// Save the extracted colors and wallpaper id to LauncherProvider.
String colorsString = extractedColors.encodeAsString();
Bundle extras = new Bundle();
extras.putInt(LauncherSettings.Settings.EXTRA_WALLPAPER_ID, wallpaperId);
extras.putString(LauncherSettings.Settings.EXTRA_EXTRACTED_COLORS, colorsString);
getContentResolver().call(
LauncherSettings.Settings.CONTENT_URI,
LauncherSettings.Settings.METHOD_SET_EXTRACTED_COLORS_AND_WALLPAPER_ID,
null, extras);
@Override
public boolean onStopJob(JobParameters jobParameters) {
if (DEBUG) Log.d(TAG, "onStopJob");
mWorkerHandler.removeCallbacksAndMessages(null);
return true;
}
@TargetApi(Build.VERSION_CODES.N)

10
src/com/android/launcher3/dynamicui/ExtractionUtils.java
View File

@@ -18,8 +18,10 @@ package com.android.launcher3.dynamicui;
import android.annotation.TargetApi;
import android.app.WallpaperManager;
import android.app.job.JobInfo;
import android.app.job.JobScheduler;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.os.Build;
@@ -58,7 +60,11 @@ public class ExtractionUtils {
/** Starts the {@link ColorExtractionService} without checking the wallpaper id */
public static void startColorExtractionService(Context context) {
context.startService(new Intent(context, ColorExtractionService.class));
JobScheduler jobScheduler = (JobScheduler) context.getSystemService(
Context.JOB_SCHEDULER_SERVICE);
jobScheduler.schedule(new JobInfo.Builder(Utilities.COLOR_EXTRACTION_JOB_ID,
new ComponentName(context, ColorExtractionService.class))
.setMinimumLatency(0).build());
}
private static boolean hasWallpaperIdChanged(Context context) {