import android.content.Context;
import android.content.SharedPreferences;
-import android.support.v7.preference.PreferenceManager;
+
+import androidx.preference.PreferenceManager;
import jp.sfjp.gokigen.a01c.IShowInformation;
import jp.sfjp.gokigen.a01c.olycamerawrapper.dispatcher.ICameraFeatureDispatcher;