Enter an input for the size multiplier but not a number (ex: aaa), that will cause our app crashes.
Edit Text Preference
Preference Summary
List Preference
github: T06.07_ListPreference
- Add a list preference
- Add string values for the list preference
- Add a res->values->arrays.xml file which contains two arrays, one for labels and one for values. (The arrays should contain strings found in this file)
- Update setupSharedPreferences and onSharedPreferenceChanged to load the color
Preference Change Listener
Use Resources!
github: T06.04_exercise_UseResources
- Create Boolean and Strings resources for checkbox preference
- Update the hardcoded values in the pref_visualizer to the new resources
- Update the hardcoded values in the VisualizerActivity‘s onCreate method
Reading from SharedPreferences
To read values from SharedPreferences:
github: T06.03-Exercise-ReadingFromSharedPreferences
To read the value of the CheckBox from them SharedPreference and update the UI view based on that value.
Make A PreferenceFragment
replacing the AsyncTask with an AsyncTaskLoader.
github: Done S05.01: with AsyncTaskLoader
- Have MainActivity implement the loader callbacks
- Create a loader ID
- Fill out the loader callbacks using the code from FetchWeatherQuery
- Call initLoader in onCreate (whether or not the loader already exists)
- Restart the loader if refresh is triggered from the menu
