摘要：
class MyTouchListener implements OnTouchListener { private Context ctx; private int mode; private Float oldDist;public MyTouchListener(Context ctx) { this.ctx = ctx;}//用于获得二指间的距离private float spacing(MotionEvent event) { float x = event.getX(0) - event.getX(1); float y = event.getY(0) - event.getY(1 阅读全文
