Android学习资料上面的例子Ch3-YourFirstAndroidApplicationCh4-ApplicationLifecycleCh5-ResourcesCh6-ViewsCh7-LayoutCh8-DrawingandAnimationCh9-FilesandDatabasesCh10-NetworkingCh11-LBSCh12-MultimediaCh13-TelephonyCh14-OpenGLCh15-HardwareCh16-NotificationsCh17-Services