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  • Android开发学习笔记-关于Android的消息推送以及前后台切换

    下面是最简单的Android的消息推送的实现方法

    package com.example.shownotic;
    
    import java.util.Random;
    
    import android.support.v7.app.ActionBarActivity;
    import android.app.Notification;
    import android.app.NotificationManager;
    import android.app.PendingIntent;
    import android.content.ComponentName;
    import android.content.Context;
    import android.content.Intent;
    import android.net.Uri;
    import android.os.Bundle;
    import android.os.SystemClock;
    import android.provider.MediaStore.Audio.Media;
    import android.view.Menu;
    import android.view.MenuItem;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.widget.Button;
    import android.widget.Toast;
    
    public class MainActivity extends ActionBarActivity {
    
        private static final int STATUS_BAR_ID = 0;
        Button btnShowNotic = null;
        private Random random = new Random(20);
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            btnShowNotic = (Button) findViewById(R.id.btnShowNotic);
            btnShowNotic.setOnClickListener(new OnClickListener() {
                
                @Override
                public void onClick(View v) {
                    // TODO Auto-generated method stub
                    new Thread(new Runnable() {
                        public void run() {
                            while(true)
                            {
                                SystemClock.sleep(30000);
                                showNotic();
                            }
                        }
                    }).start();
                    showNotic();
                }
    
                
            });
        }
        private void showNotic() {
            NotificationManager notificationManger = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
            int icon = R.drawable.ic_launcher;
            CharSequence tickerText = "Gigade";
            long when = System.currentTimeMillis();
            Notification notification = new Notification(icon , tickerText , when );
            notification.flags = Notification.FLAG_AUTO_CANCEL;
            
            CharSequence contentText = "show:"+random.nextInt(30);
            Intent intent = new Intent();
            intent.setAction(Intent.ACTION_WEB_SEARCH);
            intent.setData(Uri.parse("http://www.baidu.com"));
            PendingIntent contentIntent = PendingIntent.getActivity(this, 0, intent , 0);
            notification.setLatestEventInfo(this, getTitle(), contentText , contentIntent );
            
            notificationManger.notify(0, notification );
            
        }
        
    }
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  • 原文地址:https://www.cnblogs.com/xuhongfei/p/3975583.html
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