Android notification+Service实时更新

package com.ycb.www.update; import android.annotation.TargetApi; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.os.Build; import android.widget.RemoteViews; import java.io.File; /** * notification更新的广播接收者,根据action不同,做出的结果不同, * 其中intent因为是同一个intent的,所以并没有new 新的 * */ public class UpdateReceiver extends BroadcastReceiver { private NotificationManager manager; private RemoteViews views; private Notification notification; @Override public void onReceive(Context context, Intent intent) { if(notification==null) { if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.JELLY_BEAN) initNotification(context); else{ initNotificationForLowVersion(context); } } String action = intent.getAction(); switch (action) { case "com.ycb.www.cancel": manager.cancel(0); UpdateService.downLoadHandler.cancel(); break; case "com.ycb.www.failed": intent.setAction("com.ycb.www.restart"); PendingIntent failedpendingIntent=PendingIntent.getBroadcast(context, 200, intent, PendingIntent.FLAG_CANCEL_CURRENT); views.setOnClickPendingIntent(R.id.ll_content, failedpendingIntent); views.setTextViewText(R.id.tv_info, "下载失败,点击重试"); manager.notify(0, notification); break; case "com.ycb.www.restart": manager.cancel(0); intent.setClass(context, UpdateService.class); context.startService(intent); break; case "com.ycb.www.install": manager.cancel(0); Intent startInstall =new Intent(); startInstall.setAction(Intent.ACTION_VIEW); String filepath = intent.getStringExtra("filepath"); startInstall.setDataAndType(Uri.fromFile(new File(filepath)), "application/vnd.android.package-archive"); startInstall.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); context.startActivity(startInstall); break; case "com.ycb.www.complete": intent.setAction("com.ycb.www.install"); PendingIntent pendingIntent=PendingIntent.getBroadcast(context, 200, intent, PendingIntent.FLAG_CANCEL_CURRENT); views.setOnClickPendingIntent(R.id.ll_content, pendingIntent); views.setTextViewText(R.id.tv_info, "下载完成,点击安装"); views.setProgressBar(R.id.progressBar, 100, 100, false); manager.notify(0, notification); break; case "com.ycb.www.updating": int rate = intent.getIntExtra("rate", 0); views.setTextViewText(R.id.tv_info,"正在下载...."+rate+"%"); views.setProgressBar(R.id.progressBar,100,rate,false); manager.notify(0, notification); } } private void initNotificationForLowVersion(Context context) { //设置notifiction布局 views = new RemoteViews(context.getPackageName(), R.layout.notification_update); notification=new Notification(); notification.when=System.currentTimeMillis(); notification.tickerText="xxxx新版正在下载"; //设置view notification.contentView=views; //设置小图标 notification.icon=R.drawable.ic_launcher; //设置布局文件中的textView的内容 views.setTextViewText(R.id.tv_info, "下载中....0%"); //设置布局文件中的ProgressBar进度 views.setProgressBar(R.id.progressBar, 100, 0, false); //退出的intent Intent intent=new Intent("com.ycb.www.cancel"); //退出的延迟意图 PendingIntent mPendingIntent =PendingIntent.getBroadcast(context.getApplicationContext(),200,intent,PendingIntent.FLAG_UPDATE_CURRENT); //点击之后退出 views.setOnClickPendingIntent(R.id.ib_close, mPendingIntent); } /** * 初始化notification * @param context */ @TargetApi(Build.VERSION_CODES.JELLY_BEAN) private void initNotification(Context context){ manager = (NotificationManager)context. getSystemService(Context.NOTIFICATION_SERVICE); views = new RemoteViews(context.getPackageName(), R.layout.notification_update); Notification.Builder builder=new Notification.Builder(context.getApplicationContext()); notification = builder.setAutoCancel(false).setSmallIcon(R.drawable.ic_launcher).setContentText("下载中").setContentTitle("下载"). setWhen(System.currentTimeMillis()).setTicker("xxxxx新版正在下载") .setContent(views).build(); views.setTextViewText(R.id.tv_info, "下载中....0%"); views.setProgressBar(R.id.progressBar, 100, 0, false); Intent intent=new Intent("com.ycb.www.cancel"); PendingIntent mPendingIntent =PendingIntent.getBroadcast(context.getApplicationContext(),200,intent,PendingIntent.FLAG_UPDATE_CURRENT); views.setOnClickPendingIntent(R.id.ib_close, mPendingIntent); } }