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private float startx; private float starty; private float upoffset; @Override public boolean onTouchEvent(MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: startx = event.getX(); starty = event.getY(); break; case MotionEvent.ACTION_MOVE: offset = (int) (event.getX() - startx) / 3; // Log.e("TAST", offset + "offset"); if (Math.abs(offset) > 10) { Log.e("TAG", "Left and Right"); } upoffset = event.getY() - starty; if (Math.abs(upoffset) > 20) { Log.e("TAG", "UP and Down"); } invalidate(); default: break; } return true; }
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原文地址:http://my.oschina.net/sfshine/blog/470113