开发者_开发问答I\'m trying to save and restore the state of an Activity using the methods onSaveInstanceState() and onRestoreInstanceState().
In my android application, I use my own ActivityGroup (named TabGroupActivity) in order to manage several activities in a tabHost.
I\'m developing an android widget and i would like to start a certain activity when i tap on a certain area of my widge开发者_运维技巧t, and another one when tapping somewhere else.
This is the problem: I have a form for inputting names, then saves it, then displays it in another activity. But once 开发者_如何转开发I try to enter another name, the previous name is overwritten by
I have this code, that goes through steps, aquired from a webservice. I implemented my own history, so that the user can go back through performed steps.
I have an ExpandableListView in which if I add some Groups during onCreate() of the activity, it\'s fine, but if I try to add Groups later on and then do notifyDataSetChanged() the ExpandableListView
I have a strange problem on orientation handling on Samsung Tablets. Basically, I have this app that it is supposed to run only in Landscape if running on tablet and portrait if i\'m on a phone.
I have an application开发者_高级运维 that works without fragments. I modified an activity to use fragments.
I am new in Android development. I want to develop a questionnaire. There are only two activities in questionnaire Main activity and camera activity. in May Main activity I have ListViewwith ListView.
Are there any patterns on how to handle UI Transitions in Android Activities vs Fragments? I am开发者_如何学Go currently looking into a UI that has at most 3 columns in Landscape.