Charging Time funktioniert nicht

Simple screen operation, easy charge level setting, with slider adjustment function when charging time deviates.  If you give permission to use the calendar, you can set the estimated charging time to the calendar event even when the app is inactive.  Charging Time is an app that predicts the time it takes to charge the device where the app is installed. 1.  You can measure the charging time according to the charging environment, such as the charger you use or charging while using.  When it is not in the charging state, it calculates the expected time.  You can set an alarm for the expected time as a calendar event.  Predictions can also be made for stages in the middle of a specified target charge level. 5.  You can manage charging forecast data for each charger. 4.  Charging prediction starts automatically when the battery is charged.  The current charging status is used for the next charging prediction. 3.  There is a function to adjust the expected time. 7.  Predict how long it will take to reach a specified charge level. 2.  You will be notified by sound and vibration when you reach the target level. 6.  When the target time is reached, a calendar event will start and notify you.