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Is it somehow possible to include one preferences.xml into another, like it can be done for layouts with the <include /> tag?
Let's say:
<?xml version="1.0" encoding="utf-8"?> <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"> <PreferenceScreen android:title="@string/pref_group_title_visual"> <include preferences_filename="xml/pref_visual"/> </PreferenceScreen> ... 
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Preference hierarchy specified in an XML You should just set up a new folder call it xml and the create preference. xml and save it there. There are a large number of example preferences shown in the preference.
Represents a top-level Preference that is the root of a Preference hierarchy. A PreferenceActivity points to an instance of this class to show the preferences. To instantiate this class, use PreferenceManager#createPreferenceScreen(Context) .
From the menu bar, click File > Settings (on macOS, click Android Studio > Preferences).
A PreferenceFragmentCompat is the entry point to using the Preference library. This Fragment displays a hierarchy of Preference objects to the user. It also handles persisting values to the device. To retrieve an instance of android.
Solution here it is to inflate both preference files from PreferencesActivity. For example:
addPreferencesFromResource(R.xml.options); addPreferencesFromResource(R.xml.additional_options); The solution soul shows works. It can be expanded to only show preferences if you're the developer using an unsigned version of the app ;)
addPreferencesFromResource(R.xml.options); addPreferencesFromResource(R.xml.additional_options); if (BuildConfig.DEBUG) { addPreferencesFromResource(R.xml.developer_options); } I created a blog post regarding this issue and have a complete working code example available for download. http://androidfu.blogspot.com/2012/05/developer-debug-with-nested-preferences.html
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