Use a service to export the updates
AsyncTasks are not suitable for long lasting operations and can easily cause memory leaks. The use of ProgressDialogs is also discouraged, so move to a foreground service to export the updates. Change-Id: I488018d01c0baf74660362a384e53bfe5d85de2b
This commit is contained in:
Gabriele M
212
src/org/lineageos/updater/ExportUpdateService.java
Normal file
212
src/org/lineageos/updater/ExportUpdateService.java
Normal file
@@ -0,0 +1,212 @@
|
||||
/*
|
||||
* Copyright (C) 2017 The LineageOS 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 org.lineageos.updater;
|
||||
|
||||
import android.app.NotificationManager;
|
||||
import android.app.PendingIntent;
|
||||
import android.app.Service;
|
||||
import android.content.Intent;
|
||||
import android.os.IBinder;
|
||||
import android.os.SystemClock;
|
||||
import android.support.v4.app.NotificationCompat;
|
||||
import android.util.Log;
|
||||
import android.widget.Toast;
|
||||
|
||||
import org.lineageos.updater.misc.FileUtils;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.text.NumberFormat;
|
||||
|
||||
public class ExportUpdateService extends Service {
|
||||
|
||||
private static final String TAG = "ExportUpdateService";
|
||||
|
||||
private static final int NOTIFICATION_ID = 16;
|
||||
|
||||
public static final String ACTION_START_EXPORTING = "start_exporting";
|
||||
public static final String ACTION_STOP_EXPORTING = "stop_exporting";
|
||||
|
||||
public static final String EXTRA_SOURCE_FILE = "source_file";
|
||||
public static final String EXTRA_DEST_FILE = "dest_file";
|
||||
|
||||
private volatile boolean mIsExporting = false;
|
||||
|
||||
private Thread mExportThread;
|
||||
private ExportRunnable mExportRunnable;
|
||||
|
||||
@Override
|
||||
public IBinder onBind(Intent intent) {
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int onStartCommand(Intent intent, int flags, int startId) {
|
||||
if (ACTION_START_EXPORTING.equals(intent.getAction())) {
|
||||
if (mIsExporting) {
|
||||
Log.e(TAG, "Already exporting an update");
|
||||
Toast.makeText(this, R.string.toast_already_exporting, Toast.LENGTH_SHORT).show();
|
||||
return START_NOT_STICKY;
|
||||
}
|
||||
mIsExporting = true;
|
||||
File source = (File) intent.getSerializableExtra(EXTRA_SOURCE_FILE);
|
||||
File destination = (File) intent.getSerializableExtra(EXTRA_DEST_FILE);
|
||||
startExporting(source, destination);
|
||||
} else if (ACTION_STOP_EXPORTING.equals(intent.getAction())) {
|
||||
if (mIsExporting) {
|
||||
mExportThread.interrupt();
|
||||
stopForeground(true);
|
||||
try {
|
||||
mExportThread.join();
|
||||
} catch (InterruptedException e) {
|
||||
Log.e(TAG, "Error while waiting for thread");
|
||||
}
|
||||
mExportRunnable.cleanUp();
|
||||
mIsExporting = false;
|
||||
}
|
||||
} else {
|
||||
Log.e(TAG, "No action specified");
|
||||
}
|
||||
|
||||
if (!mIsExporting) {
|
||||
stopSelf();
|
||||
}
|
||||
|
||||
return START_NOT_STICKY;
|
||||
}
|
||||
|
||||
private class ExportRunnable implements Runnable {
|
||||
private File mSource;
|
||||
private File mDestination;
|
||||
private FileUtils.ProgressCallBack mProgressCallBack;
|
||||
private Runnable mRunnableComplete;
|
||||
private Runnable mRunnableFailed;
|
||||
|
||||
private ExportRunnable(File source, File destination,
|
||||
FileUtils.ProgressCallBack progressCallBack,
|
||||
Runnable runnableComplete, Runnable runnableFailed) {
|
||||
mSource = source;
|
||||
mDestination = destination;
|
||||
mProgressCallBack = progressCallBack;
|
||||
mRunnableComplete = runnableComplete;
|
||||
mRunnableFailed = runnableFailed;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void run() {
|
||||
try {
|
||||
FileUtils.copyFile(mSource, mDestination, mProgressCallBack);
|
||||
mIsExporting = false;
|
||||
if (!mExportThread.isInterrupted()) {
|
||||
Log.d(TAG, "Completed");
|
||||
mRunnableComplete.run();
|
||||
} else {
|
||||
Log.d(TAG, "Aborted");
|
||||
}
|
||||
} catch (IOException e) {
|
||||
mIsExporting = false;
|
||||
Log.e(TAG, "Could not copy file", e);
|
||||
mRunnableFailed.run();
|
||||
} finally {
|
||||
stopSelf();
|
||||
}
|
||||
}
|
||||
|
||||
private void cleanUp() {
|
||||
mDestination.delete();
|
||||
}
|
||||
}
|
||||
|
||||
private void startExporting(File source, File destination) {
|
||||
NotificationManager notificationManager =
|
||||
(NotificationManager) getSystemService(NOTIFICATION_SERVICE);
|
||||
|
||||
NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this);
|
||||
NotificationCompat.BigTextStyle notificationStyle = new NotificationCompat.BigTextStyle();
|
||||
notificationBuilder.setContentTitle(getString(R.string.dialog_export_title));
|
||||
notificationStyle.setBigContentTitle(getString(R.string.dialog_export_title));
|
||||
notificationStyle.bigText(destination.getName());
|
||||
notificationBuilder.setStyle(notificationStyle);
|
||||
notificationBuilder.setSmallIcon(R.drawable.ic_system_update);
|
||||
notificationBuilder.addAction(R.drawable.ic_pause,
|
||||
getString(android.R.string.cancel),
|
||||
getStopPendingIntent());
|
||||
|
||||
FileUtils.ProgressCallBack progressCallBack = new FileUtils.ProgressCallBack() {
|
||||
private long mLastUpdate = -1;
|
||||
|
||||
@Override
|
||||
public void update(int progress) {
|
||||
long now = SystemClock.elapsedRealtime();
|
||||
if (mLastUpdate < 0 || now - mLastUpdate > 500) {
|
||||
String percent = NumberFormat.getPercentInstance().format(progress / 100.f);
|
||||
notificationStyle.setSummaryText(percent);
|
||||
notificationBuilder.setProgress(100, progress, false);
|
||||
notificationManager.notify(NOTIFICATION_ID,
|
||||
notificationBuilder.build());
|
||||
mLastUpdate = now;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
startForeground(NOTIFICATION_ID, notificationBuilder.build());
|
||||
notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build());
|
||||
|
||||
Runnable runnableComplete = new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
notificationStyle.setSummaryText(null);
|
||||
notificationStyle.setBigContentTitle(
|
||||
getString(R.string.notification_export_success));
|
||||
notificationBuilder.setContentTitle(
|
||||
getString(R.string.notification_export_success));
|
||||
notificationBuilder.setProgress(0, 0, false);
|
||||
notificationBuilder.setContentText(destination.getName());
|
||||
notificationBuilder.mActions.clear();
|
||||
notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build());
|
||||
stopForeground(STOP_FOREGROUND_DETACH);
|
||||
}
|
||||
};
|
||||
|
||||
Runnable runnableFailed = new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
notificationStyle.setSummaryText(null);
|
||||
notificationStyle.setBigContentTitle(
|
||||
getString(R.string.notification_export_fail));
|
||||
notificationBuilder.setContentTitle(
|
||||
getString(R.string.notification_export_fail));
|
||||
notificationBuilder.setProgress(0, 0, false);
|
||||
notificationBuilder.setContentText(null);
|
||||
notificationBuilder.mActions.clear();
|
||||
notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build());
|
||||
stopForeground(STOP_FOREGROUND_DETACH);
|
||||
}
|
||||
};
|
||||
|
||||
mExportRunnable = new ExportRunnable(source, destination, progressCallBack,
|
||||
runnableComplete, runnableFailed);
|
||||
mExportThread = new Thread(mExportRunnable);
|
||||
mExportThread.start();
|
||||
}
|
||||
|
||||
private PendingIntent getStopPendingIntent() {
|
||||
final Intent intent = new Intent(this, ExportUpdateService.class);
|
||||
intent.setAction(ACTION_STOP_EXPORTING);
|
||||
return PendingIntent.getService(this, 0, intent,
|
||||
PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user