@Override
public boolean onTouchEvent(MotionEvent event)
{
synchronized (getHolder())
{
int aktion = event.getAction();
if (aktion == MotionEvent.ACTION_DOWN)
{
touched = true;
bar.shareTouch(event.getX(), event.getY(), touched);
}
else if (aktion == MotionEvent.ACTION_UP)
{
touched = false;
bar.shareTouch(event.getX(), event.getY(), touched);
}
if (aktion == MotionEvent.ACTION_POINTER_DOWN)
{
touched2 = true;
bar.shareTouch2(event.getX(), event.getY(), touched2);
}
else if (aktion == MotionEvent.ACTION_POINTER_UP)
{
touched2 = false;
bar.shareTouch2(event.getX(), event.getY(), touched2);
}
}
return true;
}
这是检查第一根手指是否进入屏幕或离开屏幕的代码。另一根手指也一样。
public void shareTouch2(float xTouch2, float yTouch2, boolean touched2)
{
if (xTouch2 <= gameViewWidth/2) {
if (touched2 == true) {
touchedLeft2 = true;
}
else if(touched2 == false) {
touchedLeft2 = false;
}
}
else if (xTouch2 > gameViewWidth/2) {
if (touched2 == true) {
touchedRight2 = true;
}
else if(touched2 == false) {
touchedRight2 = false;
}
}
}
public void shareTouch(float xTouch, float yTouch, boolean touched)
{
if (xTouch <= gameViewWidth/2) {
if (touched == true) {
touchedLeft = true;
}
else if(touched == false) {
touchedLeft = false;
}
}
else if (xTouch > gameViewWidth/2) {
if (touched == true) {
touchedRight = true;
}
else if(touched == false) {
touchedRight = false;
}
}
}
private void moveRight()
{
x += 3;
}
private void moveLeft()
{
x -= 3;
}
private void checkTouch() {
if ((touchedLeft == true && touchedRight2 == false) || (touchedLeft2 == true && touchedRight == false)) {
moveLeft();
}
else if ((touchedLeft == false && touchedRight2 == true) || (touchedLeft2 == false && touchedRight == true)) {
moveRight();
}
else if ((touchedLeft == true && touchedRight2 == true) || (touchedLeft2 == true && touchedRight == true)) {
}
}
这checkTouch()
方法中调用onDraw()
。现在,如果我将手指放在屏幕右侧,它会向右移动。左边也一样。但是,如果我在不移开左手指的情况下触摸左右,对象仍然会向左移动,尽管它应该停止。现在,当我离开左手指时,它仍然向左移动,尽管它应该向右移动。
我希望你能理解我的问题。
希望你能帮忙