PendingIntent介绍

PendingIntent可以看作是对Intent的一个封装，但它不是立刻执行某个行为，而是满足某些条件或触发某些事件后才执行指定的行为。

PendingIntent举例

1. 发送短信

import android.app.Activity;

import android.app.PendingIntent;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.os.Bundle;

import android.telephony.SmsManager;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.Toast;

public class Test1Activity extends Activity implements OnClickListener {

 

   private Button btn1 = null;

    private SmsManager sm = null;

    private IntentFilter sendIntentFilter = null;

    private SmsBroadcastReceiver sendReceiver = null;

    private IntentFilter deliverIntentFilter = null;

    private SmsBroadcastReceiver deliverReceiver = null;

   

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

       

        btn1 = (Button) this.findViewById(R.id.btn1);

        btn1.setOnClickListener(this);

       

        sm = SmsManager.getDefault();

       

        sendIntentFilter = new IntentFilter("send_sms");

        sendReceiver = new SmsBroadcastReceiver();

        this.registerReceiver(sendReceiver, sendIntentFilter);

       

        deliverIntentFilter = new IntentFilter("deliver_sms");

        deliverReceiver = new SmsBroadcastReceiver();

        this.registerReceiver(deliverReceiver, deliverIntentFilter);

    }

    @Override

    public void onClick(View v) {

        switch(v.getId()) {

        case R.id.btn1:

            send_sms();

            break;

        default:

            break;

        }

    }

    private void send_sms() {

        String destinationAddress = "1341024977";

        String text = "宝贝";

       

        Intent sIntent = new Intent("send_sms");

        PendingIntent sentIntent = PendingIntent.getBroadcast(this, 0, sIntent, 0);//短信成功发送后才发送该广播

       

        Intent dIntent = new Intent("deliver_sms");

        PendingIntent deliveryIntent = PendingIntent.getBroadcast(this, 1, dIntent, 0);//短信成功接收后才发送该广播

       

        sm.sendTextMessage(destinationAddress, null, text, sentIntent, deliveryIntent);

    }

    private class SmsBroadcastReceiver extends BroadcastReceiver {

        @Override

        public void onReceive(Context context, Intent intent) {

            if(intent.getAction() == "send_sms") {

                Toast.makeText(Test1Activity.this, "send sms successfully", Toast.LENGTH_LONG).show();

            }

            if(intent.getAction() == "deliver_sms") {

                Toast.makeText(Test1Activity.this, "deliver sms successfully", Toast.LENGTH_LONG).show();

            }

        }

    }

}

2. 通知

import android.app.Activity;

import android.app.Notification;

import android.app.NotificationManager;

import android.app.PendingIntent;

import android.content.Context;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

public class Test2Activity extends Activity implements OnClickListener {

    private Button btnNotify = null;

    private NotificationManager nm = null;

    private Notification notification = null;

    private Intent intent = null;

    private PendingIntent pi = null;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.test2);

       

        btnNotify = (Button) this.findViewById(R.id.notify);

        btnNotify.setOnClickListener(this);

    }

    @Override

    public void onClick(View v) {

        switch(v.getId()) {

        case R.id.notify:

            testNotify();

        }

    }

    @SuppressWarnings("deprecation")

    private void testNotify() {

        nm = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE);

        notification = new Notification();

        notification.icon = R.drawable.ic_launcher;

        notification.tickerText = "你也是通知";

        notification.defaults = Notification.DEFAULT_SOUND;

       

        intent = new Intent(this, Test1Activity.class);

        pi = PendingIntent.getActivity(this, 0, intent, 0);//用户点击该notification后才启动该activity

       

        notification.setLatestEventInfo(this, "title22", "text33", pi);

        nm.notify(1, notification);

    }

}