☆Battery Manager☆

This app uses battery data for a week to keep track of future usage.
Predictive calculations provide more accurate time information and improve battery life.
If it is less than 20% or more than 80%, we will notify you through a notification

[function]
1. Real-time battery information output
2. Output of battery life
3. Battery usage graph output
4. Battery protection reminder

===Developer greetings===
Hello, I am a student studying Android application development.
Since it is an application developed with insufficient skills, there are many bugs and lack of features,
I would appreciate it if you use my application and let us know what you are lacking and rate it.



===Development Tools & Development Language===
Development tool: Android Studio
Development language: Java