iishouing的博客

1.自定义View public class PaintView extends View { Paint paint; public PaintView(Context context) { super(context); } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); paint ...

/* *新建MainActivity,然后再setContentView(R.layout.activity_main); *添加下面的代码就可以跑出notification出现的结果 */ Notification.Builder builder = new Notification.Builder(this); // Uri.parse("htt...