(This is the exercise title of a rudimentary game introduction to Android that I contacted in a training I attended on mobile. You can refer to it and play it. It may be helpful for comrades who need to get started.
UFOGame\.settings\org.eclipse.jdt.core.prefs
UFOGame\bin\com\ldci\MainActivity.class
UFOGame\bin\com\ldci\MyView.class
UFOGame\bin\com\ldci\R$attr.class
UFOGame\bin\com\ldci\R$drawable.class
UFOGame\bin\com\ldci\R$layout.class
UFOGame\bin\com\ldci\R$string.class
UFOGame\bin\com\ldci\R.class
UFOGame\bin\classes.dex
UFOGame\bin\resources.ap_
UFOGame\bin\UFOGame.apk
UFOGame\gen\com\ldci\R.java
UFOGame\res\drawable\airplane.png
UFOGame\res\drawable\background.png
UFOGame\res\drawable\effect00.png
UFOGame\res\drawable\effect01.png
UFOGame\res\drawable\effect02.png
UFOGame\res\drawable\effect03.png
UFOGame\res\drawable\icon.png
UFOGame\res\drawable\ldcilogo.png
UFOGame\res\drawable\mobilemarketlogo.png
UFOGame\res\drawable\ufo.png
UFOGame\res\layout\main.xml
UFOGame\res\values\strings.xml
UFOGame\src\com\ldci\MainActivity.java
UFOGame\src\com\ldci\MyView.java
UFOGame\.classpath
UFOGame\.project
UFOGame\AndroidManifest.xml
UFOGame\default.properties)