MercadoPagoWebViewActivity.java

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package com.example.food_front;
 
import android.annotation.SuppressLint;
import android.content.Intent;
import android.os.Bundle;
import android.webkit.WebChromeClient;
import android.webkit.WebResourceRequest;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
 
public class MercadoPagoWebViewActivity extends AppCompatActivity {
    public static final String EXTRA_PAYMENT_URL = "extra_payment_url";
    private WebView webView;
 
    @SuppressLint("SetJavaScriptEnabled")
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        webView = new WebView(this);
        setContentView(webView);
 
        String paymentUrl = getIntent().getStringExtra(EXTRA_PAYMENT_URL);
        if (paymentUrl == null) {
            finish();
            return;
        }
 
        webView.getSettings().setJavaScriptEnabled(true);
        webView.setWebChromeClient(new WebChromeClient());
        webView.setWebViewClient(new WebViewClient() {
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
                return false;
            }
        });
        webView.loadUrl(paymentUrl);
    }
 
    @Override
    public void onBackPressed() {
        if (webView.canGoBack()) {
            webView.goBack();
        } else {
            super.onBackPressed();
        }
    }
}