https://developer.android.com/studio/install.html
https://www.raywenderlich.com/category/android
http://www.vogella.com/tutorials/android.html
https://www.codementor.io/collections/learn-android-development-bwba0mlle
https://developer.android.com/samples/index.html
https://gradle.org/guides/#getting-started
Android代码规范 https://source.android.com/source/code-style
https://www.javacodegeeks.com/tutorials/android-tutorials/android-core-tutorials/
Android 权限管理第三方库 https://github.com/permissions-dispatcher/PermissionsDispatcher