Ok, in war/MyProject.html, I have:
<body> <div id="loading"> <div id="waitingForLoading"></div> <BR/> <img src="../images/loading.gif" /> </div> ... </body> in MyProject.java
public class OfflineMatching implements EntryPoint { @Override public void onModuleLoad() { // this code works fine if(DOM.getElementById("loading")!=null){ DOM.getElementById("loading").removeFromParent(); } Button myButton=new Button("Enter Main Page"); RootPanel.get().add(myButton); myButton.addClickHandler(new ClickHandler(){ @Override public void onClick(ClickEvent event) { // this code does not work if(DOM.getElementById("loading")==null){ DOM.appendChild(RootPanel.getBodyElement(), DOM.createElement("loading")); } } }); } } So, did i do anything wrong? Why this code does not work?
// this code does not work if(DOM.getElementById("loading")==null){ DOM.appendChild(RootPanel.getBodyElement(), DOM.createElement("loading")); }
http://stackoverflow.com/questions/27901577/how-to-add-back-the-loading-element-after-removed-it-from-parent
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