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note/GTaskSyncService - 副本.java

198 lines
5.7 KiB

2 months ago
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* 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 net.micode.notes.gtask.remote;
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
/**
* GTaskSyncService GoogleGTask
* 广
*/
public class GTaskSyncService extends Service {
/**
*
*/
public final static String ACTION_STRING_NAME = "sync_action_type";
/**
*
*/
public final static int ACTION_START_SYNC = 0;
/**
*
*/
public final static int ACTION_CANCEL_SYNC = 1;
/**
*
*/
public final static int ACTION_INVALID = 2;
/**
* 广
*/
public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service";
/**
* 广
*/
public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing";
/**
* 广
*/
public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg";
/**
*
*/
private static GTaskASyncTask mSyncTask = null;
/**
*
*/
private static String mSyncProgress = "";
/**
*
*/
private void startSync() {
if (mSyncTask == null) {
mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
@Override
public void onComplete() {
mSyncTask = null;
sendBroadcast("");
stopSelf();
}
});
sendBroadcast("");
mSyncTask.execute();
}
}
/**
*
*/
private void cancelSync() {
if (mSyncTask != null) {
mSyncTask.cancelSync();
}
}
/**
*
*/
@Override
public void onCreate() {
super.onCreate();
mSyncTask = null;
}
/**
*
*/
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Bundle bundle = intent.getExtras();
if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
case ACTION_START_SYNC:
startSync();
break;
case ACTION_CANCEL_SYNC:
cancelSync();
break;
default:
// 忽略未知动作
break;
}
return START_STICKY; // 如果进程被杀死,尝试重启服务
}
return super.onStartCommand(intent, flags, startId);
}
/**
*
*/
@Override
public void onLowMemory() {
super.onLowMemory();
if (mSyncTask != null) {
mSyncTask.cancelSync();
}
}
/**
* IBindernull
*/
@Override
public IBinder onBind(Intent intent) {
return null;
}
/**
* 广
*/
public void sendBroadcast(String msg) {
mSyncProgress = msg;
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME);
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null);
intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
sendBroadcast(intent);
}
/**
* Activity
*/
public static void startSync(Activity activity) {
GTaskManager.getInstance().setActivityContext(activity);
Intent intent = new Intent(activity, GTaskSyncService.class);
intent.putExtra(ACTION_STRING_NAME, ACTION_START_SYNC);
activity.startService(intent);
}
/**
*
*/
public static void cancelSync(Context context) {
Intent intent = new Intent(context, GTaskSyncService.class);
intent.putExtra(ACTION_STRING_NAME, ACTION_CANCEL_SYNC);
context.startService(intent);
}
/**
*
*/
public static boolean isSyncing() {
return mSyncTask != null;
}
/**
*
*/
public static String getProgressString() {
return mSyncProgress;
}
}