[Android]SupportLibrary v23から追加されたPreferenceFragmentCompatを使ってみる ref: http://qiita.com/wasnot/items/dfc33bb91f64abfec04c

file2.xml

    <style name="Theme.WtfPreference" parent="@style/PreferenceThemeOverlay">
        <item name="preferenceScreenStyle">@style/Preference.PreferenceScreen</item>
        <item name="preferenceFragmentStyle">@style/PreferenceFragment</item>
        <item name="preferenceCategoryStyle">@style/Preference.Category</item>
        <item name="preferenceStyle">@style/Preference</item>
        <item name="preferenceInformationStyle">@style/Preference.Information</item>
        <item name="checkBoxPreferenceStyle">@style/Preference.CheckBoxPreference</item>
        <item name="switchPreferenceCompatStyle">@style/Preference.SwitchPreferenceCompat</item>
        <item name="dialogPreferenceStyle">@style/Preference.DialogPreference</item>
        <item name="editTextPreferenceStyle">@style/Preference.DialogPreference.EditTextPreference</item>
        <item name="preferenceFragmentListStyle">@style/PreferenceFragmentList</item>
    </style>

file3.xml

    <style name="MyPreference">
        <item name="layout">@layout/custom_checkbox_layout</item>
    </style>
    <style name="MyPreference.CheckBoxPreference">
        <item name="widgetLayout">@layout/custom_checkbox_widget_layout</item>
    </style>

PrefsFragment.java

public static class PrefsFragment extends PreferenceFragment {

// リファレンスにはこう書いてありますが、
/*
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // Load the preferences from an XML resource
        addPreferencesFromResource(R.xml.preferences);
    }
*/
// こちらだけでも良さそう。
    @Override
    public void onCreatePreferences(Bundle bundle, String s) {
        addPreferencesFromResource(R.xml.preferences);
    }
}

style.xml

<style name="SettingsTheme" parent="Theme.AppCompat.NoActionBar">
    <item name="preferenceTheme">@style/PreferenceThemeOverlay</item>
</style>