onTouchListener ACTION_MOVE不能与多个手指一起工作

<activity android:name=".YourActivity"
          android:windowSoftInputMode="adjustResize">
</activity>

@Override
public boolean onTouchEvent(MotionEvent event) {
    int action = event.getActionMasked();
    int pointerCount = event.getPointerCount();

    switch (action) {
        case MotionEvent.ACTION_DOWN:
        case MotionEvent.ACTION_POINTER_DOWN:
            // 处理单点或多点按下事件
            break;
        case MotionEvent.ACTION_MOVE:
            if (pointerCount > 1) {
                // 处理多点移动事件
                for (int i = 0; i < pointerCount; i++) {
                    int pointerId = event.getPointerId(i);
                    float x = event.getX(i);
                    float y = event.getY(i);
                    // 处理每个触摸点的移动
                }
            } else {
                // 处理单点移动事件
            }
            break;
        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_POINTER_UP:
            // 处理单点或多点抬起事件
            break;
    }
    return true;
}

@Override
public boolean onInterceptTouchEvent(MotionEvent event) {
    return false;
}

GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
    @Override
    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
        // 处理滑动事件
        return super.onFling(e1, e2, velocityX, velocityY);
    }
});

@Override
public boolean onTouchEvent(MotionEvent event) {
    gestureDetector.onTouchEvent(event);
    return super.onTouchEvent(event);
}