QrManager.getInstance().init(qrConfig).startScan(MainActivity.this, new QrManager.OnScanResultCallback() {
@Override
public void onScanSuccess(ScanResult result) {
Log.e(TAG, "onScanSuccess: " + result);
Toast.makeText(getApplicationContext(), "内容：" + result.getContent()
+ " 类型：" + result.getType(), Toast.LENGTH_SHORT).show();