PairingActivity.java 文件源码

boolean setupBleController() {
    boolean retvalue = true;

    if(bluetoothAdapter == null) {
        final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
        bluetoothAdapter = bluetoothManager.getAdapter();
        retvalue = false;
    }

    if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && leScanner == null) {
        if(bluetoothAdapter == null) {
            retvalue = false;
        } else {
            leScanner = bluetoothAdapter.getBluetoothLeScanner();
            if(leScanner == null)
                retvalue = false;
        }
    }
    return retvalue;
}