Android 关闭开启蓝牙

static void toggle(Context context) {
Log.i(TAG, "toggle Bluetooth");

// Just toggle Bluetooth power, as long as we're not already in
// an intermediate state.
BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
int state = adapter.getState();
if (state == BluetoothAdapter.STATE_OFF)
adapter.enable();
else if (state == BluetoothAdapter.STATE_ON)
adapter.disable();
}