Notification通知

代码

public class MainActivity extends AppCompatActivity {

    private Button button;
    private NotificationManager manager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
//        获取通知的管理类对象
        manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
        initView();
        initListener();
    }

    private void initListener() {
        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");
////                设置一个大图标（bitmap对象）
//                builder.setLargeIcon(BitmapFactory.decodeResource(getResources(),R.mipmap.ic_launcher));
//                设置小图标（必须）
                builder.setSmallIcon(R.mipmap.ic_launcher);
//
////                设置时间
                builder.setWhen(System.currentTimeMillis());
////                设置提示内容
//                builder.setTicker("你有一条新的消息，请注意查收");
////                  设置序号
//                builder.setNumber(1);
                RemoteViews remoteViews = new RemoteViews(getPackageName(), R.layout.notifyview);
//                设置自定义通知的布局
                builder.setContent(remoteViews);
                Intent intent = new Intent(MainActivity.this, NotifyInfoActivity.class);
                PendingIntent pendingIntent = PendingIntent.getActivity(MainActivity.this, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
//                设置延迟intent
                builder.setContentIntent(pendingIntent);
                builder.setAutoCancel(true);
                Notification notification = builder.build();
//                发送一条通知
                manager.notify(1, notification);

            }
        });
    }

    private void initView() {
        button = (Button) findViewById(R.id.btn_notify);
    }
}