Android) WebView

WebView

웹브라우저는 구성하는 HTML과 같은 요소들을 받아들여 브라우저와 동일한 형식으로 해석해 보현해주는 뷰

: pc서버에서 응답한 웹 파일을 받아서 안드로이드에서 똑같이 보여주고, ios에서도 동일하게 동작.

: 디바이스에 상관 없이 정보 공유가 가능한 하리브리드 앱을 구현할 수 있게 도와줌.

---

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.book11_web">

    <uses-permission android:name="android.permission.INTERNET"/>

    <application
        android:allowBackup="true"
        android:icon="@mipmap/emo_im_cool"
        android:label="WebView TEST"
        android:logo="@drawable/web"
        android:theme="@style/Theme.AppCompat.Light.DarkActionBar">

        <activity
            android:name=".MainActivity"
            android:label="Simplr WebView"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

---

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical">

    <LinearLayout
        android:id="@+id/linearLayout01"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        >
        <EditText
            android:id="@+id/editUrl"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Url 한줄로 입력"
            android:singleLine="true"
            />

        <Button
            android:id="@+id/btnGo"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="이동"
            />

        <Button
            android:id="@+id/btnBack"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="이전"
            />
    </LinearLayout>

    <WebView
        android:id="@+id/webView01"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:clickable="true"
        />

</LinearLayout>

---

MainActivity.java

package com.example.book11_web;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity {

    //변수
    EditText editUrl;
    Button btnGo, btnBack;
    WebView web;

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

        getSupportActionBar().setDisplayShowHomeEnabled(true);
        getSupportActionBar().setIcon(R.drawable.web);

        editUrl = (EditText) findViewById(R.id.editUrl);
        btnGo = (Button) findViewById(R.id.btnGo);
        btnBack = (Button) findViewById(R.id.btnBack);
        web = (WebView) findViewById(R.id.webView01);

        btnGo.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                web.loadUrl(editUrl.getText().toString());
            }
        });

        btnBack.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                web.goBack();
            }
        });
    }//onCreate-end
    //inner class
    class CookWebViewClient extends WebViewClient{

        public boolean shouldOverrideUrlLoading(WebView view, String url){
            return super.shouldOverrideUrlLoading(view, url);
        }

    }
}//class-end

---

참고 링크 : 

https://wiserloner.tistory.com/1351

 

---