20 
2.10 LED 
IT-G400 has two LEDs, one for charging status and the other for Android's notification. Android 
notification LED can be controlled with Android standard API. 
 
Libraries related to this function are as follows. 
Andorid standard library  ※ 
 
android.app.NotificationManager
Class that controls event notification to users. It 
includes LED control function. 
 
android.app.Notification 
Class for making various settings for event 
notifications. It includes LED control function. 
 
For details of the Android standard library, refer Android official website such as "Android 
Developers". 
 
The Android notification LED can use two colors, red and blue. 
 
Cautions! 
In the Android standard library, you can specify colors with red and blue emission ratios, so you 
can logically mix colors. However, for the actual use, CASIO guarantees only red and blue.