Zxing，调用Fragment获取结果

implementation 'com.google.zxing:core:3.4.1'
implementation 'com.journeyapps:zxing-android-embedded:3.6.0'

import com.journeyapps.barcodescanner.CaptureFragment;

public class ScanFragment extends CaptureFragment {
    // 在这里可以对扫描结果进行处理
    @Override
    public void onScanned(BarcodeResult result) {
        // 处理扫描结果
    }
}

import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.FragmentTransaction;

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // 创建扫描Fragment的实例
        ScanFragment scanFragment = new ScanFragment();

        // 将扫描Fragment添加到布局中
        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
        transaction.replace(R.id.fragment_container, scanFragment);
        transaction.commit();
    }
}

@Override
public void onScanned(BarcodeResult result) {
    String barcodeContent = result.getText();
    // 处理扫描结果
}