HPjmeter is a performance analysis tool for deployed Java applications. It will help you identify performance problems in your production environment as well as during development.

BLE Framework. Based on Bluetooth 4.0. Based on callback. Extremely simple! Communication with BluetoothLE(BLE) device as easy as HTTP communication. Android低功耗蓝牙便捷操作框架，基于回调，完成蓝牙设备交互就像发送网络请求一样简单