Fix a possible NPE

import android.content.pm.ApplicationInfo;

import android.content.res.Resources;

import android.preference.PreferenceManager;

import android.util.Log;

import com.android.inputmethod.latin.LocaleUtils.RunInLocale;

import java.util.Locale;

public final class Settings implements SharedPreferences.OnSharedPreferenceChangeListener {

    private static final String TAG = Settings.class.getSimpleName();

    // In the same order as xml/prefs.xml

    public static final String PREF_GENERAL_SETTINGS = "general_settings";

    public static final String PREF_AUTO_CAP = "auto_cap";

    @Override

    public void onSharedPreferenceChanged(final SharedPreferences prefs, final String key) {

        if (mSettingsValues == null) {

            // TODO: Introduce a static function to register this class and ensure that

            // loadSettings must be called before "onSharedPreferenceChanged" is called.

            Log.w(TAG, "onSharedPreferenceChanged called before loadSettings.");

            return;

        }

        loadSettings(mCurrentLocale, mSettingsValues.mInputAttributes);

    }