protected void onCreate(Bundle savedInstanceState){ 
... 
 if (savedInstanceState == null) 
    { 
      mWebView.loadUrl("your_url"); 
    } 
... 
} 

@Override 
  protected void onSaveInstanceState(Bundle outState ) 
  { 
    super.onSaveInstanceState(outState); 
    mWebView.saveState(outState); 
  } 
 
 
  @Override 
  protected void onRestoreInstanceState(Bundle savedInstanceState) 
  { 
    super.onRestoreInstanceState(savedInstanceState); 
    mWebView.restoreState(savedInstanceState); 
  }