안녕하세요.. 탭뷰안에 웹브라우져를 띄우려고 하는데 컴파일상에는 문제가 없는데
 기기에서 작동하면 실행하자마자 오류가 뜨네요.
뭐가 문제일까요?


package org.androidtown.actionbar03;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.app.Activity;
import android.view.KeyEvent;
import android.webkit.WebView;
import android.webkit.WebViewClient;

public class Fragment01 extends Activity {
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState ) {
return inflater.inflate( R.layout.frag01, container, false );
}
WebView mWebView;
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.frag01);
                
        mWebView = (WebView) findViewById(R.id.webview); 
        mWebView.getSettings().setJavaScriptEnabled(true);  // 웹뷰에서 자바스크립트실행가능
        mWebView.loadUrl("http://www.google.com);  // 구글홈페이지 지정
      mWebView.setWebViewClient(new HelloWebViewClient());  // WebViewClient 지정          
       
    }
    
    public boolean onKeyDown(int keyCode, KeyEvent event) { 
        if ((keyCode == KeyEvent.KEYCODE_BACK) && mWebView.canGoBack()) { 
            mWebView.goBack(); 
            return true; 
        } 
        return super.onKeyDown(keyCode, event);

    }
    
    private class HelloWebViewClient extends WebViewClient { 
        @Override 
        public boolean shouldOverrideUrlLoading(WebView view, String url) { 
            view.loadUrl("url); 
            return true; 
        } 
    }
}