FragmentTabHost切换Fragment时避免重复加载UI
2014-06-04 21:58
465 查看
转自:http://blog.csdn.net/renpengben/article/details/12615487
使用FragmentTabHost时,Fragment之间切换时每次都会调用onCreateView方法,导致每次Fragment的布局都重绘,无法保持Fragment原有状态。
解决办法:在Fragment onCreateView方法中缓存View
<span style="white-space:pre"> </span>private View rootView;// 缓存Fragment view
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
if (rootView != null) {
// 缓存的rootView需要判断是否已经被加过parent,
// 如果有parent需要从parent删除,要不然会发生这个rootview已经有parent的错误。
ViewGroup parent = (ViewGroup) rootView.getParent();
if (parent != null) {
parent.removeView(rootView);
}
return rootView;
}
rootView = LayoutInflater.from(getActivity()).inflate(
R.layout.fragment_main1, null);
return rootView;
}
使用FragmentTabHost时,Fragment之间切换时每次都会调用onCreateView方法,导致每次Fragment的布局都重绘,无法保持Fragment原有状态。
解决办法:在Fragment onCreateView方法中缓存View
<span style="white-space:pre"> </span>private View rootView;// 缓存Fragment view
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
if (rootView != null) {
// 缓存的rootView需要判断是否已经被加过parent,
// 如果有parent需要从parent删除,要不然会发生这个rootview已经有parent的错误。
ViewGroup parent = (ViewGroup) rootView.getParent();
if (parent != null) {
parent.removeView(rootView);
}
return rootView;
}
rootView = LayoutInflater.from(getActivity()).inflate(
R.layout.fragment_main1, null);
return rootView;
}
相关文章推荐
- FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免重复加载UI(ViewPager切换Fragment时也适用)
- (转)FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免UI重新加载
- FragmentTabHost切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免重复加载UI,导致切换后重绘页面的问题解决
- 切换Fragment时避免重复加载UI
- FragmentTab切换Fragment时避免重复加载UI
- FragmentTabHost切换Fragment时避免UI重新加载