我有两个片段。片段A最初在视图中。当用户按下按钮时,使用以下方法将片段B动画上移至视图中。当我弹出片段B时,它会向下动画退出视图,但就在完成时屏幕会闪烁白色。不确定是什么原因,只在kit-kat上发生,而不是在lollipop上。使用的动画是在xml中定义的上滑和下滑动画。
@Override
public void loadFragment(BaseFragment fragment, boolean replace, boolean addToBackStack, int animIn, int animOut, int animPopIn, int animPopout) {
FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
if (animIn != -1 && animOut != -1 && animPopIn != -1 && animPopout != -1) {
transaction = transaction.setCustomAnimations(animIn, animOut, animPopIn, animOut);
} else if (animIn != -1 && animOut != -1) {
transaction = transaction.setCustomAnimations(animIn, animOut);
}
if (replace) {
transaction = transaction.replace(R.id.container, fragment);
} else {
transaction = transaction.add(R.id.container, fragment);
}
if (addToBackStack) {
transaction = transaction.addToBackStack(null);
}
transaction.commit();
}