Notification通知

manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
button = (Button) findViewById(R.id.button);
button.setOnClickListener(new View.OnClickListener() {
    
    @Override
    public void onClick(View v) {
        NotificationCompat.Builder builder = new NotificationCompat.Builder(MainActivity.this);
        builder.setContentTitle("标题");
        builder.setContentText("内容");
        builder.setSmallIcon(R.drawable.ic_launcher);
        builder.setDefaults(Notification.DEFAULT_ALL);
        builder.setAutoCancel(true);
        Intent intent = new Intent();
        intent.setClass(MainActivity.this, SecondActivity.class);
        PendingIntent pIntent = PendingIntent.getActivity
                (MainActivity.this, 1, intent, PendingIntent.FLAG_ONE_SHOT);
        builder.setContentIntent(pIntent);
        notification = builder.build();
        manager.notify(1, notification);
    }
});