Android Expandable ListView状态无法在方向更改时正确保存

Question

Hi Everyone iam having trouble with expandable Listview inside fragment while orientation change . i have a list fragment on left and on click of item details fragment will be shown on right; on details fragment user has chance to edit items in the expandable listview whenver user enter his details and perform a orientation change all the data entered in expandable lsitview child is reset i tried using all options like my activity is not recreating on orientation change and also used setRetainInstance(true); but didn't work for me

Answer 1

You need to get the content of your EditText / TextView / whatever in onSaveInstanceState , and store them in the bundle. When you Activity / Fragment gets recreated, retrieve your content from the bundle in onCreate .