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I have defined dialogfragments (because Android documentation says that it is better and indeed it is) but now I want to use it in PreferenceActivity.
The problem is that I cannot use getSupportFragmentManager() there and I cannot use PreferenceFragment since it doesn't work with compatibility library. Looks like a road block scenario.
Can anyone advise on this?
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DialogFragment is a utility class which extends the Fragment class. It is a part of the v4 support library and is used to display an overlay modal window within an activity that floats on top of the rest of the content. Essentially a DialogFragment displays a Dialog but inside a Fragment.
This class was deprecated in API level 28.
Showing the DialogFragment It is not necessary to manually create a FragmentTransaction to display your DialogFragment . Instead, use the show() method to display your dialog. You can pass a reference to a FragmentManager and a String to use as a FragmentTransaction tag.
DialogFragment: A DialogFragment is a special fragment subclass that is designed for creating and hosting dialogs. It allows the FragmentManager to manage the state of the dialog and automatically restore the dialog when a configuration change occurs.
As you noted, PreferenceFragment is not in the android compatibility package and unfortunately there is no clean way around this. For my own personal project, I had to adapt an implementation off of Android's source code: http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/4.0.4_r1.2/android/preference/PreferenceFragment.java
The answers to this question have some great suggestions: Was PreferenceFragment intentionally excluded from the compatibility package?
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