bluetooth glucose meter android

Bluetooth is backwards compatible. Android phones must be system version 4.3 and above to support the BLE API.Bluetooth 2.0 Standard: Bluetooth 2.0 Standard 2.0 is an improved version of 1.2, with a transfer rate of about1.8M/S~2.1M/S, Start to support duplex mode------------for voice communication while also transferring files/high quality images

I recently worked on a project in the lab and used Android Bluetooth development. There are many pitfalls in this project, so I still hope to write down these things and share them with you, so I don't want to go on my own. Let's talk about the background. I am an APP that develops mobile phones and smart devices with Bluetooth (such as

Reprint please specify from: http://blog.csdn.net/icyfox_bupt/article/details/25487125Recently in the laboratory to do projects, using the Android Bluetooth development, there are a lot of pits. So I still hope to remember these things to share with you, do not go my way. First of all, I am developing mobile phone with Bluetooth smart device (

(Context.bluetooth_service); Mbluetoothadapter = Bluetoothmanager.getadapter (); if (Mbluetoothadapter = = NULL | |!mbluetoothadapter.isenabled ()) {Intent Enablebluetooth = new Intent ( bluetoothadapter.action_request_enable); Startactivityforresult (Enablebluetooth, 1); } mbluetoothadapter.startlescan (Mlescancallback); } private Bluetoothadapter.lescancallback Mlescancallback = new Bluetoothadapter.lescancallback () {@Override pub

+ -]); LOG.D ("BLE", Bytestohex (Scanrecord)); LOG.D ("BLE","Name:"+ Ibeaconname +"\nmac:"+ Mac +"\nuuid:"+ UUID +"\nmajor:"+ Major +"\nminor:"+ minor +"\ntxpower:"+ Txpower +"\nrssi:"+ Rssi); LOG.D ("BLE","Distance:"+calculateaccuracy (Txpower,rssi)); } } };Static Final Char[] Hexarray ="0123456789ABCDEF". ToCharArray ();Private StaticStringBytestohex(byte[] bytes) {Char[] Hexchars =New Char[Bytes.length *2]; for(intj =0; J intv = bytes[j] 0xFF; HEXCHARS[J *2] = Hexarray[v >>>4]; HEX