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问题是我必须几乎严格地水平滑动才能执行滑动操作。滑动时我想要更多的自由。我想在对角滑动时滑动也可以工作。我应该如何更改此代码?我应该如何更改此代码以便能够更自由地向左/向右滑动?
这里是代码
public class OnSwipeTouchListener implements OnTouchListener {
Context context = null;
private final GestureDetector gestureDetector = new GestureDetector(context, new GestureListener());
public boolean onTouch(final View view, final MotionEvent motionEvent) {
return gestureDetector.onTouchEvent(motionEvent);
}
private final class GestureListener extends SimpleOnGestureListener {
private static final int SWIPE_THRESHOLD = 100;
private static final int SWIPE_VELOCITY_THRESHOLD = 100;
@Override
public boolean onDown(MotionEvent e) {
return true;
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
boolean result = false;
try {
float diffY = e2.getY() - e1.getY();
float diffX = e2.getX() - e1.getX();
if (Math.abs(diffX) > Math.abs(diffY)) {
if (Math.abs(diffX) > SWIPE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) {
if (diffX > 0) {
onSwipeRight();
} else {
onSwipeLeft();
}
}
} else {
if (Math.abs(diffY) > SWIPE_THRESHOLD && Math.abs(velocityY) > SWIPE_VELOCITY_THRESHOLD) {
if (diffY > 0) {
onSwipeBottom();
} else {
onSwipeTop();
}
}
}
} catch (Exception exception) {
exception.printStackTrace();
}
return result;
}
}
看看我的答案,也应该制定出适合你 – superuser
亦请打小接受的答案复选标记下的upvote它这个答案适用于你:)这样我们都获得了一定的声誉。 – superuser
谢谢你的答案,我还没有尝试过。我会检查它是否有效。 –