Changes

- [Custom controls] Fix special buttons index.
- [Language changer] change behavior

app/src/main/java/net/kdt/pojavlaunch/utils/LocaleUtils.java

@@ -0,0 +1,31 @@
+package net.kdt.pojavlaunch.utils;
+
+import android.content.*;
+import android.content.res.*;
+import android.support.v7.preference.*;
+import java.util.*;
+import net.kdt.pojavlaunch.prefs.*;
+
+public class LocaleUtils {
+    public static final Locale DEFAULT_LOCALE;
+    
+    static {
+        DEFAULT_LOCALE = Locale.getDefault();
+    }
+    
+    public static Context setLocale(Context context) {
+        if (LauncherPreferences.DEFAULT_PREF == null) {
+            LauncherPreferences.DEFAULT_PREF = PreferenceManager.getDefaultSharedPreferences(context);
+			LauncherPreferences.loadPreferences();
+        }
+        
+        Locale locale = new Locale(LauncherPreferences.PREF_LANGUAGE);
+        Locale.setDefault(locale);
+
+        Resources res = context.getResources();
+        Configuration config = new Configuration(res.getConfiguration());
+        config.setLocale(locale);
+        context = context.createConfigurationContext(config);
+        return context;
+    }
+}