---

package com.example.myapplication;

import android.os.Bundle;
import android.view.View;
import android.webkit.SslErrorHandler;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.net.http.SslError;
import android.widget.Button;
import android.widget.EditText;
import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

    private EditText urlInput;
    private WebView webView;

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

        urlInput = findViewById(R.id.url_input);
        webView = findViewById(R.id.web_view);
        Button goButton = findViewById(R.id.go_button);

        webView.getSettings().setJavaScriptEnabled(true);

        webView.setWebViewClient(new WebViewClient() {
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                view.loadUrl(url);
                return true;
            }

            @Override
            public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
                handler.proceed();
            }
        });

        goButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String input = urlInput.getText().toString().trim();
                if (!input.isEmpty()) {
                    if (!input.startsWith("http://") && !input.startsWith("https://")) {
                        input = "https://" + input;
                    }
                    webView.loadUrl(input);
                }
            }
        });
    }

    @Override
    public void onBackPressed() {
        if (webView.canGoBack()) {
            webView.goBack();
        } else {
            super.onBackPressed();
        }
    }
}