[안드로이드] WebView 로딩, 백, 앞

   <ProgressBar android:id="@+android:id/progresssmall3"

        style="?android:attr/progressBarStyleLarge" 

        android:layout_width="wrap_content"

        android:layout_height="wrap_content" 

        android:layout_gravity="center_vertical|center_horizontal"

        android:gravity="center"

        android:visibility="invisible"

        />

    

private ProgressBar pb3;
pb3 = (ProgressBar)findViewById(R.id.progresssmall3);

pb3.setVisibility(View.VISIBLE);

browser = (WebView) findViewById(R.id.webview);

browser.getSettings().setJavaScriptEnabled(true);

browser.setWebViewClient(new WebViewClient(){

@Override 

       public boolean shouldOverrideUrlLoading(WebView view, String url) { 

           view.loadUrl(url); 

           return true; 

       }

@Override

public void onPageFinished(WebView view, String url) { 

super.onPageFinished(view, url);

Log.v("finish", "loading");

pb3.setVisibility(View.INVISIBLE);

}

@Override

public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {     

super.onReceivedError(view, errorCode, description, failingUrl);

Toast.makeText(MenuMt.this, "로딩오류" + description, Toast.LENGTH_SHORT );

}

});