under Android
代码@Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.requestWind...
under Android
我们可以这样写ActivityImageView img = findViewById(R.id.img); String text = "tupianmingcheng"; img.setBackgroundResource(getResource().getIdenti...
under Android
view为需要悬浮的layout, v为被点击的控件PopupWindow popupWindow = new PopupWindow(view, 500, ViewGroup.LayoutParams.WRAP_CONTENT, true); popupWindow....
under Android
自定义implements GestureDetector.OnGestureListener的类，重写onScroll在这里有个要注意的地方，就是onDown的返回值，如果你设为false，经测试，它就一直只执行onDown-onShowPress-onLongPress；其他的并不会执行。...