간단한 브라우저 만들기

# *.xml

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

    <LinearLayout
        android:id="@+id/linearLayout1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <EditText
            android:id="@+id/edtUrl"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:hint="URL을 입력하세요"
            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/webView1"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:clickable="true"/>
</LinearLayout>

# .java

package com.example.a0319_04;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.webkit.WebResourceRequest;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity {
    EditText edtUrl;
    Button btnGo,btnBack;
    WebView web;

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

        edtUrl = (EditText)findViewById(R.id.edtUrl);
        btnGo = (Button)findViewById(R.id.btnGo);
        btnBack = (Button)findViewById(R.id.btnBack);
        web = (WebView)findViewById(R.id.webView1);

        web.setWebViewClient(new WebViewClient());

        WebSettings webset = web.getSettings();
        webset.setBuiltInZoomControls(true);

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

        btnBack.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                web.goBack();
            }
        });//btnBack
    }

    class WebViewClient extends android.webkit.WebViewClient{

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

#### AndroidManifest.xml에서  다음 문구를 추가