Sencha touch 2 setActiveItem main view error -

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i implementing sliding navigation. when 1 of list items in slide navigation clicked, i'm using following controller code load relevant view:

switch(index){     case 0:          this.getmain().setactiveitem({xtype:'main'});         break;     case 1:          this.getmain().setactiveitem({xtype:'messagesview'});         break;     case 2:         this.getmain().setactiveitem({xtype:'articleslistview'});         break;     case 3:         this.getmain().setactiveitem({xtype:'categoriesview'});         break;     default:     break; }

every 1 of setactiveitem function calls work except first on. when try set main view active view, following error:

uncaught error: [error][ext.container#doadd] adding card tab container without specifying tab configuration

can me resolve problem?

this.getmain().setactiveitem(0);

the code above solved problem


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