Default value of Android preference
问题 How do you get the default value of an Android preference defined in XML? I don't want to repeat the definition of the default value in both the code and the preferences XML. 回答1: You can define default value in resources ( /values/bool.xml ): <resources> <bool name="mypreference_default">true</bool> </resources> Use the value in the preferences.xml : <CheckBoxPreference android:defaultValue="@bool/mypreference_default" android:key="mypreference" android:title="@string/mypreference_title" />