静态壁纸参考链接
https://www.geeksforgeeks.org/how-to-build-a-photo-viewing-application-in-android/
https://www.geeksforgeeks.org/how-to-set-an-image-as-wallpaper-programmatically-in-android/
https://www.geeksforgeeks.org/how-to-create-a-wallpaper-app-in-android-studio/
动态壁纸参考链接
https://github.com/varunon9/DynamicWallpaper
https://stackoverflow.com/questions/4831499/setting-live-wallpaper-programmatically
https://www.spaceotechnologies.com/blog/interactive-live-wallpaper-android-tutorial/
https://github.com/spaceotech/SOLiveWallpaper-Kotlin
https://www.developer.com/design/building-an-android-live-wallpaper/
Kotlin和java之间的转化