android开发之Notification学习笔记

今天总结了一下Notification的使用，与大家分享一下。

MainActivity.java：

本文参考：http://www.jb51.net/article/36567.htm，http://www.cnblogs.com/linjiqin/archive/2011/12/14/2288074.html

public class MainActivity extends Activity {

    private Button btn;
    private NotificationManager manager;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
//      showNotification();
//      showNotification2();
//      showNotification3();
//      showNotification4();
//      showNotification5();
        showNotification6();
        this.btn = (Button) this.findViewById(R.id.button1);
        this.btn.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                clearNotification();
            }
        });
    }
    /**
     * 自定义Notification布局
     */
    private void showNotification6() {
        RemoteViews remoteViews = new RemoteViews(getPackageName(),
                R.layout.custom_notification);
        Intent intent = new Intent(this, SecondActivity.class);
        PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0,
                intent, 0);
        //点击时给SecondActivity发送一条广播
        remoteViews.setOnClickPendingIntent(R.id.paly_pause_music,
                pendingIntent);
        Intent intent1 = new Intent(this,SecondActivity.class);
        remoteViews.setOnClickPendingIntent(R.id.paly_pause_music, PendingIntent.getActivity(this, 0, intent1, 0));
        NotificationCompat.Builder builder = new Builder(this);
        builder.setContent(remoteViews).setSmallIcon(R.drawable.ic_launcher)
                .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher)).setOngoing(true)
                .setTicker("music is playing");
        manager.notify(0, builder.build());
    }
    /**
     * 大布局Picture类型notification
     * 这个方法貌似还有一点问题
     */
    private void showNotification5() {
        NotificationCompat.BigPictureStyle pictureStyle = new BigPictureStyle();
        pictureStyle.setBigContentTitle("BigContentTitle")
        .setSummaryText("Summary Text").bigPicture(BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher));
        Notification notification = new NotificationCompat.Builder(this)
        .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher))
        .setTicker("showBigView_pic").setContentInfo("ContentInfo")
        .setContentTitle("ContentTitle").setContentText("ContentText")
        .setStyle(pictureStyle)
        .setAutoCancel(true).setDefaults(Notification.DEFAULT_ALL)
        .build();
        manager.notify(3, notification);
    }
    /**
     * 带进度条的通知栏
     */
    private void showNotification4() {
        final NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
        builder.setLargeIcon(BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher))
        .setSmallIcon(R.drawable.ic_launcher)
        .setTicker("showProgressBar")
        .setContentInfo("ContentInfo")
        .setOngoing(true)
        .setContentTitle("ContentTitle")
        .setContentText("ContentText");
        new Thread(new Runnable() {

            @Override
            public void run() {
                int progress = 0;
                for(progress=0;progress<100;progress+=5){
                    //将第三个参数改为true，进度条会变为无明显进度的样式
                    builder.setProgress(100, progress, true);
                    manager.notify(0, builder.build());
                    try {
                        Thread.sleep(1000);
                    } catch (Exception e) {
                    }
                }
                //线程执行完毕之后，修改通知栏的显示
                builder.setContentTitle("Download complete").setProgress(0, 0, false).setOngoing(false);
                manager.notify(0, builder.build());
            }
        }).start();

    }
    /**
     * 大通知栏
     */
    private void showNotification3() {
        NotificationCompat.BigTextStyle textStyle = new BigTextStyle();
        textStyle.setBigContentTitle("BigContentTitle")
        .setSummaryText("Summary Text")
        .bigText("I‘m Big Text......................................................................");
        Notification notification = new NotificationCompat.Builder(this)
        .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher))
        .setSmallIcon(R.drawable.ic_launcher)
        .setTicker("Ticker")
        .setContentInfo("ContentInfo")
        .setContentTitle("ContentTitle")
        .setContentText("ContentText")
        .setStyle(textStyle)
        .setAutoCancel(true).setDefaults(Notification.DEFAULT_ALL).build();
        manager.notify(0, notification);
    }
    /**
     * 小通知栏
     */
    private void showNotification2() {
        Notification notification = new NotificationCompat.Builder(this)
        .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher))
        .setSmallIcon(R.drawable.ic_launcher)
        .setTicker("showNormal")
        .setContentInfo("ContextInfo")
        .setContentTitle("ContentTitle")
        .setContentText("ContentText")
        .setNumber(45)
        .setAutoCancel(true)
        .setDefaults(Notification.DEFAULT_ALL)
        .build();
        Intent notificationIntent =new Intent(MainActivity.this, SecondActivity.class);
        PendingIntent contentItent = PendingIntent.getActivity(this, 0, notificationIntent, 0);
        notification.contentIntent=contentItent;
        manager.notify(0, notification);
    }
    /**
     * 在状态栏显示通知
     */
    private void showNotification(){
        // 创建一个NotificationManager的引用
        NotificationManager notificationManager = (NotificationManager)
            this.getSystemService(android.content.Context.NOTIFICATION_SERVICE);   

        // 定义Notification的各种属性
        Notification notification =new Notification(R.drawable.ic_launcher,
                "系统测试", System.currentTimeMillis());
        //FLAG_AUTO_CANCEL   该通知能被状态栏的清除按钮给清除掉
        //FLAG_NO_CLEAR      该通知不能被状态栏的清除按钮给清除掉
        //FLAG_ONGOING_EVENT 通知放置在正在运行
        //FLAG_INSISTENT     是否一直进行，比如音乐一直播放，知道用户响应
//        notification.flags |= Notification.FLAG_ONGOING_EVENT; // 将此通知放到通知栏的"Ongoing"即"正在运行"组中
//        notification.flags |= Notification.FLAG_NO_CLEAR; // 表明在点击了通知栏中的"清除通知"后，此通知不清除，经常与FLAG_ONGOING_EVENT一起使用
        notification.flags |= Notification.FLAG_AUTO_CANCEL;
        notification.flags |= Notification.FLAG_SHOW_LIGHTS;
        //DEFAULT_ALL     使用所有默认值，比如声音，震动，闪屏等等
        //DEFAULT_LIGHTS  使用默认闪光提示
        //DEFAULT_SOUNDS  使用默认提示声音
        //DEFAULT_VIBRATE 使用默认手机震动，需加上<uses-permission android:name="android.permission.VIBRATE" />权限
        notification.defaults = Notification.DEFAULT_LIGHTS;
        //叠加效果常量
        //notification.defaults=Notification.DEFAULT_LIGHTS|Notification.DEFAULT_SOUND;
        notification.ledARGB = Color.BLUE;
        notification.ledOnMS =5000; //闪光时间，毫秒

        // 设置通知的事件消息
        CharSequence contentTitle ="系统消息"; // 通知栏标题
        CharSequence contentText ="系统正在运行...."; // 通知栏内容
        Intent notificationIntent =new Intent(MainActivity.this, SecondActivity.class); // 点击该通知后要跳转的Activity
        PendingIntent contentItent = PendingIntent.getActivity(this, 0, notificationIntent, 0);
        notification.setLatestEventInfo(this, contentTitle, contentText, contentItent);   

        // 把Notification传递给NotificationManager
        notificationManager.notify(0, notification);
    }
    //删除通知
    private void clearNotification(){
        // 启动后删除之前我们定义的通知
        NotificationManager notificationManager = (NotificationManager) this
                .getSystemService(NOTIFICATION_SERVICE);
        notificationManager.cancel(0);  

    }
}

关键代码文中已有注释，完整代码下载。如有错误之后欢迎大家一起讨论。

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