Notification

本是古典何须时尚 2022-09-23 08:59 164阅读 0赞

权限设置：

<uses-permission android:name="android.permission.FLASHLIGHT"/>//闪光灯
        <uses-permission android:name="android.permission.VIBRATE"/>//震动

package com.example.notification;
    
    import android.R.integer;
    import android.app.Activity;
    import android.app.Notification;
    import android.app.NotificationManager;
    import android.app.PendingIntent;
    import android.app.Notification.*;
    import android.content.Context;
    import android.content.Intent;
    import android.os.Bundle;
    import android.view.Menu;
    import android.view.MenuItem;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.widget.Button;
    
    
    public class MainActivity extends Activity {
    	private Button button1;
    	private Button button2;
    	NotificationManager manager;
    	int notification_id;
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            manager=(NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
            button1=(Button) findViewById(R.id.button1);
            button1.setOnClickListener(new OnClickListener() {
    			
    			@Override
    			public void onClick(View v) {
    				// TODO Auto-generated method stub
    				notification();
    			}
    		});
            button2=(Button) findViewById(R.id.button2);
            button2.setOnClickListener(new OnClickListener() {
    			
    			@Override
    			public void onClick(View v) {
    				// TODO Auto-generated method stub
    				cancel();
    			}
    		});
        }
    //构造notofication并发送到通知栏
        private void notification(){
        	Intent intent =new Intent(this,MainActivity.class);
        	PendingIntent pIntent=PendingIntent.getActivity(this,0,intent,0);
        Builder builder=new Notification.Builder(this);
        builder.setSmallIcon(R.drawable.ic_launcher);//设置图标
        builder.setTicker("Hello");//手机状态栏的提示
        builder.setWhen(System.currentTimeMillis());//设置时间
        builder.setContentTitle("通知栏通知");//设置标题
        builder.setContentText("我来自Notification");//设置通知内容
        builder.setContentIntent(pIntent);//点击后的意图
    //    builder.setDefaults(Notification.DEFAULT_SOUND);//声音
    //    builder.setDefaults(Notification.DEFAULT_LIGHTS);//闪光灯
    //    builder.setDefaults(Notification.DEFAULT_VIBRATE);//震动效果
        builder.setDefaults(Notification.DEFAULT_ALL);//三种效果全有
        //Notification notification=builder.build();//4.1以上版本用
        Notification notification=builder.getNotification();//4.1以下版本用
        manager.notify(notification_id,notification);
        }
        //取消通知栏通知
        private void cancel(){
        	manager.cancel(notification_id);
        }