Android实现简单的网页跳转

package com.jay.myapplication;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.webkit.WebView;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
    private TextView web_one;
    private WebView web_two;
    //可以提前定义网络地址
    private String uri="https://www.csdn.com/";
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //第一种跳转页面的方法
        web_one=findViewById(R.id.web_one);
        web_one.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent=new Intent(MainActivity.this,Main2Activity.class);
                startActivity(intent);
            }
        });
        //第二种跳转页面的方法
        web_two=findViewById(R.id.web_two);
        web_two.loadUrl("https://www.csdn.com/");
        //可以写成：web_two.loadUrl(uri);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">
    <TextView
        android:layout_width="match_parent"
        android:layout_height="66dp"
        android:gravity="center"
        android:text="第一种直接跳转到Activity页面，Activity
页面直接链接网页"
        />
    <TextView
        android:id="@+id/web_one"
        android:layout_width="match_parent"
        android:layout_height="66dp"
        android:background="@color/colorAccent"
        android:gravity="center"
        android:text="第一种方法" />
    <TextView
        android:layout_width="match_parent"
        android:layout_height="66dp"
        android:gravity="center"
        android:text="第二种点击按钮跳转外部网页" />
    <WebView
        android:id="@+id/web_two"
        android:layout_width="match_parent"
        android:layout_height="66dp"
        />
</LinearLayout>

package com.jay.myapplication;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
public class Main2Activity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        //方式一：代码实现跳转
        Intent intent = new Intent();
        //通过intent发送数据
        intent.setAction("android.intent.action.VIEW");
        //创建一个链接  链接.语法解析
        Uri content_url = Uri.parse("https://www.csdn.com/");
        //通过intent接受
        intent.setData(content_url);
        //开始于当前intent
        startActivity(intent);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".Main2Activity">
</androidx.constraintlayout.widget.ConstraintLayout>