(The fastest way to learn Android is to study it first. For example, here are ten packaged cases for you to download. 1. PictureViewer 2. FileBrowser 3. Contact 4. TaskManager 5. RockPlayer 6. AndroidWeatherForecast 7. AndroidMediaPlayer 8. SpeakMessageService 9. CamMonitor 10. Snake This material includes the following attachments:)