(This is a source code I learned when I learned about Android. I hope it will be useful to you. This material includes the following attachments:
WaterWave bin com Google android WaterWave DrawWaterWave.class
WaterWave bin com Google android WaterWave R $attr.class
WaterWave bin com Google android WaterWave R $drawable.class
WaterWave bin com Google android WaterWave R $layout. class
WaterWave bin com Google android WaterWave R $string.class
WaterWave bin com Google android WaterWave R.class
WaterWave bin com Google android WaterWave WaterWave.class
WaterWave\bin\classes.dex
WaterWave\bin\resources.ap_
WaterWave\bin\WaterWave.apk
WaterWave\res\drawable\bg.png
WaterWave\res\drawable\icon.png
WaterWave\res\layout\main.xml
WaterWave\res\values\strings.xml
WaterWave src com Google android WaterWave DrawWaterWave.java
WaterWave src com Google android WaterWave R.java
WaterWave src com Google android WaterWave WaterWave.java
WaterWave\.classpath
WaterWave\.project
WaterWave\AndroidManifest.xml
..... Too many files omitted)