웹뷰

MainActivity.java

 

 

package com.knps;

import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.os.Build;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

public class MainActivity extends AppCompatActivity {
    private WebView mWebView; // 웹뷰 선언
    private WebSettings mWebSettings; //웹뷰세팅

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

        // 웹뷰 시작
        mWebView = (WebView) findViewById(R.id.webView);

        mWebView.setWebViewClient(new WebViewClient()); // 클릭시 새창 안뜨게
        mWebSettings = mWebView.getSettings(); //세부 세팅 등록
        mWebSettings.setJavaScriptEnabled(true); // 웹페이지 자바스클비트 허용 여부
        mWebSettings.setSupportMultipleWindows(false); // 새창 띄우기 허용 여부
        mWebSettings.setJavaScriptCanOpenWindowsAutomatically(false); // 자바스크립트 새창 띄우기(멀티뷰) 허용 여부
        mWebSettings.setLoadWithOverviewMode(true); // 메타태그 허용 여부
        mWebSettings.setUseWideViewPort(true); // 화면 사이즈 맞추기 허용 여부
        mWebSettings.setSupportZoom(false); // 화면 줌 허용 여부
        mWebSettings.setBuiltInZoomControls(false); // 화면 확대 축소 허용 여부
        mWebSettings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN); // 컨텐츠 사이즈 맞추기
        mWebSettings.setCacheMode(WebSettings.LOAD_NO_CACHE); // 브라우저 캐시 허용 여부
        mWebSettings.setDomStorageEnabled(true); // 로컬저장소 허용 여부

        mWebView.loadUrl("http://www.naver.com"); // 웹뷰에 표시할 웹사이트 주소, 웹뷰 시작
    }


}

content_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.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"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:context=".MainActivity"
    tools:showIn="@layout/activity_main">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello World!"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.knps">
    <uses-permission android:name="android.permission.INTERNET"/>
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:usesCleartextTraffic="true"
        android:theme="@style/AppTheme">
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name"
            android:theme="@style/AppTheme.NoActionBar">
            <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"?>
<android.support.design.widget.CoordinatorLayout 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=".MainActivity">

    <WebView
        android:id="@+id/webView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentTop="true"
        android:layout_alignParentStart="true" >
    </WebView>


</android.support.design.widget.CoordinatorLayout>