javascript - Is there any viewWillAppear like-function in Sencha Touch -

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i trying call function every time when view shows up. gets called first time , thenafter doesn't. there event-function viewwillappear of ios. using 'initialize' event function , gets called once. please help.

view:

ext.define('abc.view.abc', {  extend: 'ext.list',  xtype: 'runninglist',  requires: ['abc.store.instancesstore','ext.data.proxy.jsonp',],  config: { title: 'running', id: 'instancelist',/* itemtpl: '<div class="serached_listview">'+          '<div>{key}  {key} </div>' +         '<div><b>{key}</b> </div>' +         '<div>  {key}</div>' +         '</div>'         ,*/         store: 'runninginstancestore',            listeners: [{                 fn: 'initialize',                  event: 'initialize'             }     ]   } });

controller:

 ext.define("abc.controller.instancescontroller", { extend: 'ext.app.controller', requires: [ 'ext.data.jsonp','ext.device.connection'], config: {     refs: {          main: 'mainpanel',                      instances: '#instancelist',         listview: 'runninglist'     },     control: {         instances: {             initialize: 'initializepanel',             activate:'initializepanel'         },         "runninginstanceslist": {             disclose: 'listviewaccessorytapped',             itemtap: 'listviewtapped'         }     } }, listviewaccessorytapped:  function(view, index, item, e) {     if(ext.device.connection.isonline())         console.log('internet connection available.');     else         console.log('internet connection not available.');  }, listviewtapped:  function(view, index, item, e) {     },  initializepanel: function() {      console.log('hi');     **////////////////called once...**  } });

in extjs there component.beforeactivate, fires each time before component activated

http://docs.sencha.com/ext-js/4-1/#!/api/ext.abstractcomponent-event-beforeactivate

however, in touch, there appears container.activate, looks fired after child component activated

http://docs.sencha.com/touch/2-1/#!/api/ext.container-event-activate


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