P

object P {
    private val TAG = P::class.java.simpleName
    
 
    private var prefs: SharedPreferences? = null
    private var prefsEditor: SharedPreferences.Editor? = null

    @SuppressLint("CommitPrefEdits")
    private fun assurePrefNotNull(context: Context) {
        if (prefs == null)
            prefs = PreferenceManager.getDefaultSharedPreferences(context)
        if (prefsEditor == null) {
            prefsEditor = PreferenceManager
                    .getDefaultSharedPreferences(context).edit()
            prefsEditor!!.apply()
        }
    }

    fun setShowFirstTimeShowCase(context: Context, set:Boolean) {
        assurePrefNotNull(context)
        prefsEditor!!.putBoolean(PREF_SHOW_FIRST_TIME_SHOW_CASE, set)
        prefsEditor!!.commit()
    }

    fun getShowFirstTimeShowCase(ctx: Context): Boolean {
        assurePrefNotNull(ctx)
        return prefs!!.getBoolean(PREF_SHOW_FIRST_TIME_SHOW_CASE, false)
    }

}