FruitsProject/app/src/main/java/com/example/ceshi/WebViewActivity.java

package com.example.ceshi;

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

import androidx.appcompat.app.AppCompatActivity;

public class WebViewActivity extends AppCompatActivity {
    private WebView mWebView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_web_view);
        mWebView = (WebView) findViewById(R.id.web_view);
        Intent intent = getIntent();
        String url = "http://www.baidu.com";//intent.getStringExtra("url");
        mWebView.loadUrl(url);
        mWebView.getSettings().setJavaScriptEnabled(true);
        mWebView.setWebViewClient(new WebViewClient(){
        });
    }
    @Override
    public void onBackPressed() {
        if (mWebView != null && mWebView.canGoBack()){
            mWebView.goBack();
        }else {
            super.onBackPressed();
        }
    }
}