[PreferenceDependencies.java]

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
       
        addPreferencesFromResource(R.xml.preference_dependencies);
    }

}



[preference_depencencies.xml]

<PreferenceScreen
        xmlns:android="
http://schemas.android.com/apk/res/android">

    <PreferenceCategory
            android:title="@string/example_preference_dependency">
           
        <CheckBoxPreference
                android:key="wifi"
                android:title="@string/title_wifi" />
           
        <EditTextPreference
                android:layout="?android:attr/preferenceLayoutChild"
                android:title="@string/title_wifi_settings"
                android:dependency="wifi" />
           
    </PreferenceCategory>
</PreferenceScreen>


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