Android Studio Zxing Scanner，二维码自动扫描后如何跳转网页(Webview)

implementation 'com.google.zxing:core:3.4.0'
implementation 'com.journeyapps:zxing-android-embedded:3.6.0'

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <SurfaceView
        android:id="@+id/camera_preview"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <TextView
        android:id="@+id/scan_result"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:textSize="18sp" />

</RelativeLayout>

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;
import com.journeyapps.barcodescanner.BarcodeCallback;
import com.journeyapps.barcodescanner.BarcodeResult;
import com.journeyapps.barcodescanner.CompoundBarcodeView;
import com.journeyapps.barcodescanner.DecoratedBarcodeView;
import com.journeyapps.barcodescanner.DefaultDecoderFactory;

import java.util.Arrays;
import java.util.Collection;
import java.util.List;

public class ScannerActivity extends AppCompatActivity implements SurfaceHolder.Callback {

    private static final int CAMERA_PERMISSION_REQUEST_CODE = 100;

    private DecoratedBarcodeView barcodeView;
    private TextView scanResultTextView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_scanner);

        barcodeView = findViewById(R.id.barcode_view);
        scanResultTextView = findViewById(R.id.scan_result);

        // 设置支持的条码格式
        Collection<BarcodeFormat> formats = Arrays.asList(BarcodeFormat.QR_CODE);
        barcodeView.getBarcodeView().setDecoderFactory(new DefaultDecoderFactory(formats));

        // 设置扫描结果的回调函数
        barcodeView.decodeContinuous(callback);
    }

    @Override
    protected void onResume() {
        super.onResume();
        requestCameraPermission();
    }

    private void requestCameraPermission() {
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CAMERA}, CAMERA_PERMISSION_REQUEST_CODE);
        } else {
            startCamera();
        }
    }

    private void startCamera() {
        barcodeView.resume();
    }

    private void stopCamera() {
        barcodeView.pause();
    }

    @Override
    protected void onPause() {
        super.onPause();
        stopCamera();
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        if (requestCode == CAMERA_PERMISSION_REQUEST_CODE) {
            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                startCamera();
            } else {
                // 权限被拒绝，显示提示信息或执行其他操作
            }
        }
    }

    private BarcodeCallback callback = new BarcodeCallback() {
        @Override
        public void barcodeResult(BarcodeResult result) {
            if (result.getText() != null) {
                // 扫描结果不为空，处理跳转网页逻辑
                String url = result.getText();
                Intent intent = new Intent(ScannerActivity.this, WebViewActivity.class);
                intent.putExtra("url", url);
                startActivity(intent);
            }
        }

        @Override
        public void possibleResultPoints(List<ResultPoint> resultPoints) {
            // 可选的回调函数，可以用于绘制扫描框周围的点或线
        }
    };
}

import android.content.Intent;
import android.os.Bundle;
import android.webkit.WebSettings;
import android.webkit.WebView;

import androidx.appcompat.app.AppCompatActivity;

public class WebViewActivity extends AppCompatActivity {

    private WebView webView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_webview);

        webView = findViewById(R.id.webview);

        Intent intent = getIntent();
        if (intent != null && intent.hasExtra("url")) {
            String url = intent.getStringExtra("url");
            loadUrl(url);
        }
    }

    private void loadUrl(String url) {
        WebSettings webSettings = webView.getSettings();
        webSettings.setJavaScriptEnabled(true);
        webView.loadUrl(url);
    }
}

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.myapplication">

    <application
        ...>
        <activity android:name=".ScannerActivity" />
        <activity android:name=".WebViewActivity" />
        ...
    </application>

</manifest>