PreferenceScreen deprecated

 

하나의 xml 내에서 PreferenceScreen을 중첩하여 설정 화면을 여러장으로 분리하여 작성하던 부분이 deprecated 되었다.

API Level 29부터는 동작도 제대로 안되고 이상 반응을 일으킨다.

 

 

 

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
    <PreferenceCategory android:title="메시지 알림">
        <SwitchPreference
            android:key="message"
            android:title="메시지 알림"/>
        <PreferenceScreen
            android:key="keyword_screen"
            android:title="키워드 알림"
            android:summary="사용안함">

            <SwitchPreference
                android:defaultValue="false"
                android:key="keyword"
                android:summary="등록된 키워드가 포함된 메시지는 채팅방 알림이 꺼져 있어도 푸시 알림을 받게 되어 키워드는 강조되어 보여 집니다."
                android:title="키워드 알림"/>
            <ListPreference
                android:entries="@array/array_voice"
                android:entryValues="@array/array_voice"
                android:key="keyword_sound_list"
                android:summary="카톡"
                android:title="키워드 전용 알림음"
                />

        </PreferenceScreen>

        <SwitchPreference
            android:key="sound"
            android:title="소리"/>
        <ListPreference
            android:entries="@array/array_voice"
            android:entryValues="@array/array_voice"
            android:key="sound_list"
            android:summary="카톡"
            android:title="알림음음"
            />

    </PreferenceCategory>
</PreferenceScreen>

 

https://developer.android.com/guide/topics/ui/settings/organize-your-settings#java

에 설명이 나와 있는데..

 

<Preference
        app:fragment="com.example.SyncFragment"
        .../>

 

을 권장한다..

 

 

 

아래처럼 작성하여 테스트 성공했다.

 

dependencies {
………………………
    implementation 'androidx.preference:preference:1.1.0'
}

 

 

setting_main.xml

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <PreferenceCategory android:title="메시지 알림">
        <SwitchPreference
            android:key="message"
            android:title="메시지 알림"/>
        <Preference
            android:key="keyword_screen"
            android:title="키워드 알림1"
            android:summary="사용안함"
            app:fragment="com.example.androidtest10_20200330.SettingPreferenceFragmentSub"/>

        <SwitchPreference
            android:key="sound"
            android:title="소리"/>
        <ListPreference
            android:entries="@array/array_voice"
            android:entryValues="@array/array_voice"
            android:key="sound_list"
            android:summary="카톡"
            android:title="알림음음"
            />

    </PreferenceCategory>
</PreferenceScreen>

 

 

setting_sub.xml

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
    <SwitchPreference
        android:defaultValue="false"
        android:key="keyword"
        android:summary="등록된 키워드가 포함된 메시지는 채팅방 알림이 꺼져 있어도 푸시 알림을 받게 되어 키워드는 강조되어 보여 집니다."
        android:title="키워드 알림"/>
    <ListPreference
        android:entries="@array/array_voice"
        android:entryValues="@array/array_voice"
        android:key="keyword_sound_list"
        android:summary="카톡"
        android:title="키워드 전용 알림음"
        android:dependency="keyword"
        />
</PreferenceScreen>

 

SettingPreferenceFragmentMain

public class SettingPreferenceFragmentMain extends PreferenceFragmentCompat {
    SharedPreferences prefs;

    Preference soundPreference;
//    Preference keywordSoundPreference;
    Preference keywordScreen;

    @Override
    public void onCreatePreferences(Bundle bundle, String s) {
        setPreferencesFromResource(R.xml.setting_main, s);

        if (s == null) {
            soundPreference = findPreference("sound_list");
//            keywordSoundPreference = findPreference("keyword_sound_list");
            keywordScreen = findPreference("keyword_screen");

            prefs = PreferenceManager.getDefaultSharedPreferences(getActivity());

            if (!prefs.getString("sound_list", "").equals("")) {
                soundPreference.setSummary(prefs.getString("sound_list", "카톡"));
            }

            if (prefs.getBoolean("keyword", false)) {
                keywordScreen.setSummary("사용");
            }else {
                keywordScreen.setSummary("사용안함");
            }

            prefs.registerOnSharedPreferenceChangeListener(prefListener);
        }

    }

    SharedPreferences.OnSharedPreferenceChangeListener prefListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
        @Override
        public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
            if (key.equals("sound_list")) {
                soundPreference.setSummary(prefs.getString("sound_list", "카톡"));
            }
            if (key.equals("keyword")) {
                if (prefs.getBoolean("keyword", false)) {
                    keywordScreen.setSummary("사용");
                }else {
                    keywordScreen.setSummary("사용안함");
                }
            }

        }
    };



}

 

SettingPreferenceFragmentSub

public class SettingPreferenceFragmentSub extends PreferenceFragmentCompat {
    SharedPreferences prefs;

    Preference keywordSoundPreference;


    @Override
    public void onCreatePreferences(Bundle bundle, String s) {
        setPreferencesFromResource(R.xml.setting_sub, s);

        if (s == null) {
            keywordSoundPreference = findPreference("keyword_sound_list");

            prefs = PreferenceManager.getDefaultSharedPreferences(getActivity());

            if (!prefs.getString("keyword_sound_list", "").equals("")) {
                keywordSoundPreference.setSummary(prefs.getString("keyword_sound_list", "카톡"));
            }

            prefs.registerOnSharedPreferenceChangeListener(prefListener);
        }

    }

    SharedPreferences.OnSharedPreferenceChangeListener prefListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
        @Override
        public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {

            if (key.equals("keyword_sound_list")) {
                Log.d("kkang", "keyword_sound_list : "+prefs.getString("keyword_sound_list", "카톡"));
                keywordSoundPreference.setSummary(prefs.getString("keyword_sound_list", "카톡"));
            }
        }
    };

}

 

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/settings_fragment"
    android:name="com.example.androidtest10_20200330.SettingPreferenceFragmentMain"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

 

MainActivity

public class MainActivity extends AppCompatActivity implements
        PreferenceFragmentCompat.OnPreferenceStartFragmentCallback{
    public static final String TARGET_SETTING_PAGE = "target";
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


    }

    @Override
    public boolean onPreferenceStartFragment(PreferenceFragmentCompat caller, androidx.preference.Preference pref) {
        final Bundle args = pref.getExtras();
        final Fragment fragment = getSupportFragmentManager().getFragmentFactory().instantiate(
                getClassLoader(),
                pref.getFragment());
        fragment.setArguments(args);
        fragment.setTargetFragment(caller, 0);
        // Replace the existing Fragment with the new Fragment
        getSupportFragmentManager().beginTransaction()
                .replace(R.id.settings_fragment, fragment)
                .addToBackStack(null)
                .commit();
        return true;
    }


}