25 Notification通知栏

public class MainActivity extends Activity {

    Button btnSend;
    Button btnCancel;
    private static final int NOTIFICATION_ID = 0;
    private NotificationManager notificationManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.notification);
        btnSend = (Button) findViewById(R.id.btn_send);
        btnCancel = (Button) findViewById(R.id.btn_cancel);
        notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
        btnSend.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //创建一个启动其他activity的intent
                Intent intent = new Intent(MainActivity.this, WndVideoList.class);
                PendingIntent pendingIntent = PendingIntent.getActivity(MainActivity.this, 0, intent, 0);
                Notification notification = new Notification.Builder(MainActivity.this)
                        .setAutoCancel(true)//打开该通知 ，该通知自动消失
                        .setTicker("有新消息")//设置显示在状态栏的通知提示信息
                        .setSmallIcon(R.drawable.icon)//设置通知的图标
                        .setContentTitle("一条新通知")//设置通知内容的标题
                        .setContentText("恭喜你  你特么的又变帅了。。。")//设置通知的内容
                        .setDefaults(Notification.DEFAULT_ALL)//默认使用系统的声音 LED灯等等
                        .setWhen(System.currentTimeMillis())//设置时间
                        .setContentIntent(pendingIntent)//设置intent
                        .build();
                notificationManager.notify(NOTIFICATION_ID, notification);
            }
        });

        btnCancel.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                notificationManager.cancel(NOTIFICATION_ID);
            }
        });
    }
}