android 添加进度条,Android 为Notification加上一个进度条

packagecom.notification;importandroid.app.Activity;importandroid.app.Notification;importandroid.app.NotificationManager;importandroid.app.PendingIntent;importandroid.content.Intent;importandroid.os.Bundle;importandroid.os.Handler;importandroid.os.Message;importandroid.view.View;importandroid.view.View.OnClickListener;importandroid.widget.Button;importandroid.widget.RemoteViews;importandroid.widget.Toast;publicclassnofificationActivityextendsActivityimplementsOnClickListener {privatestaticfinalintNOTIFICATION_ID=0x12;privateNotification notification=null;privateNotificationManager manager=null;publicHandler handler;privateint_progress=0;privateThread thread=null;privatebooleanisStop=false;//当界面处理停止的状态 时，设置让进度条取消@OverrideprotectedvoidonPause() {//TODO Auto-generated method stubisStop=false;

manager.cancel(NOTIFICATION_ID);super.onPause();

}/**Called when the activity is first created.*/@OverridepublicvoidonCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);

setContentView(R.layout.main);

Button btn=(Button) findViewById(R.id.Button01);

btn.setOnClickListener(this);

notification=newNotification(R.drawable.icon,"带进条的提醒", System

.currentTimeMillis());

notification.icon=R.drawable.icon;//通过RemoteViews 设置notification中View 的属性notification.contentView=newRemoteViews(getApplication()

.getPackageName(), R.layout.custom_dialog);

notification.contentView.setProgressBar(R.id.pb,100,0,false);

notification.contentView.setTextViewText(R.id.tv,"进度"+_progress+"%");//通过PendingIntetn//设置要跳往的Activity，这里也可以设置发送一个服务或者广播，//不过在这里的操作都必须是用户点击notification之后才触发的notification.contentIntent=PendingIntent.getActivity(this,0,newIntent(this, remoteView.class),0);//获得一个NotificationManger 对象，此对象可以对notification做统一管理，只需要知道IDmanager=(NotificationManager) getSystemService(NOTIFICATION_SERVICE);

}

@OverridepublicvoidonClick(View v) {//TODO Auto-generated method stubisStop=true;

manager.notify(NOTIFICATION_ID, notification);

thread=newThread(newRunnable() {

@Overridepublicvoidrun() {

Thread.currentThread();//TODO Auto-generated method stubwhile(isStop) {

_progress+=10;

Message msg=handler.obtainMessage();

msg.arg1=_progress;

msg.sendToTarget();try{

Thread.sleep(500);

}catch(InterruptedException e) {//TODO Auto-generated catch blocke.printStackTrace();

}

}

}

});

thread.start();

handler=newHandler() {

@OverridepublicvoidhandleMessage(Message msg) {//TODO Auto-generated method stubnotification.contentView.setProgressBar(R.id.pb,100, msg.arg1,false);

notification.contentView.setTextViewText(R.id.tv,"进度"+msg.arg1+"%");

manager.notify(NOTIFICATION_ID, notification);if(msg.arg1==100) {

_progress=0;

manager.cancel(NOTIFICATION_ID);

isStop=false;

Toast.makeText(nofificationActivity.this,"下载完毕",1000)

.show();

}super.handleMessage(msg);

}

};

}

}