需要android sdk和demo-乐鱼官网入口

你好，能否提供android sdk， demo及相关二次开发文档？谢谢. 我使用 http://www.gprinter.hk/download/2/#sdk 连上后会断开： e/bluetoothservice: disconnected java.io.ioexception: bt socket closed, read return: -1 at android.bluetooth.bluetoothsocket.read(bluetoothsocket.java:524) at android.bluetooth.bluetoothinputstream.read(bluetoothinputstream.java:96) at java.io.inputstream.read(inputstream.java:101) at com.gprinter.io.bluetoothport$connectedthread.run(bluetoothport.java:238)