abstrak:public boolean onTouchEvent(MotionEvent event) { //獲取到手指處的橫坐標和縱坐標 int x = (int) event.getX(); int y = (int) event.getY(); switch(event.getAction()){
public boolean onTouchEvent(MotionEvent event) {
//獲取到手指處的橫坐標和縱坐標
int x = (int) event.getX();
int y = (int) event.getY();
switch(event.getAction()){
case MotionEvent.ACTION_DOWN:
lastX = x;
lastY = y;
break;
case MotionEvent.ACTION_MOVE:
//計算移動的距離
int offX = x - lastX;
int offY = y - lastY;
offsetLeftAndRight(offX);
offsetTopAndBottom(offY);
break;
}
return true;
}
Guru membetulkan:查無此人Masa pembetulan:2019-06-10 09:39:19
Rumusan guru:完成的不錯。js功能非常強大,要好好練習。繼續(xù)加油。