问题描述
我正在使用过渡管理器以底部和顶部幻灯片重力为布局动画。顶视图过渡动画运行正常,但底视图动画未发生。看一下代码:
private void showImageOptions () {
Transition transitionBottom,transitionTop;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
transitionTop = new Slide(Gravity.TOP);
transitionBottom = new Slide(Gravity.BottOM);
transitionTop.setDuration(500);
transitionTop.addTarget(imageNameLayout);
TransitionManager.beginDelayedTransition(rootLayout,transitionTop);
transitionBottom.setDuration(500);
transitionBottom.addTarget(constraintOptions);
TransitionManager.beginDelayedTransition(rootLayout,transitionBottom);
}
if (imageNameLayout.getVisibility() == View.GONE) {
imageNameLayout.setVisibility(View.VISIBLE);
constraintOptions.setVisibility(View.VISIBLE);
}
}
解决方法
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