<angcyo>菜鸟视角

1:判断设备是否支持蓝牙 BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); if (null == adapter) { //蓝牙不支持 } 2:判断蓝牙是否打开 if (!adapter.isEnabled()) { //蓝牙未打开 //adapter.enable();//打开蓝牙

请先阅读: http://blog.youkuaiyun.com/angcyo/article/details/520358941:AndroidManifest.xml注册蓝牙扫描广播注意蓝牙的权限.<!--蓝牙广播--> <receiver android:name="com.angcyo.bluetooth.BluetoothReceiver" android:exported="true"> <