javascript - Sencha Touch 2 error: Cannot read property 'apply' of undefined -


i have following sencha touch code. simple list view.

{             xtype: 'list',             itemid: 'stockitemslist',             ui: 'normal',             flex: 1,             onitemdisclosure: false,             preventselectionondisclose: false,             itemtpl: '<div class="act-list">'+                 '<table width="100%">'+                 '<tr>'+                 '<td  width="10%"><img align="left" src="img/icon_check2.png"/></td>'+                 '<td  width="80%"><b>&nbsp; {materialdesc}</b></td>'+                 //'<td  width="10%" ><img align="right" src="img/icon_list_disclosure.png"/></td>'+                 '</tr>'+                 '</table>'+                 '</div>'         }

i want set alert once click item of list view. in controller tried following.

ext.define('net.omobio.dialog.dialogcc.controller.stockavailability', { extend: 'ext.app.controller', /*requires: [     'net.omobio.dialog.dialogcc.store.stockitems'],*/ config: {     refs: {         maincard: 'stockitemsmain #cardview',         stockitems: 'stock_items',         stockitemlist: 'stock_items #stockitemslist'      },      control: {         'stockitemlist': {             itemtap: 'onstockitemlisttap'         }     },      routes: {         'bucketlist': 'loadbucketlist'     },      onstockitemlisttap: function(list, index, target, record, event) {         console.log('item tapped on data view');         console.log(list, index, target, record, event);         ext.msg.alert('', 'the material code selected is: ' + record.get('materialcode'));         var me = this;         console.log('record');         console.log(record);         console.log('index');         console.log(index);      },      loadbucketlist: function() {         console.log('xxxx bucket list');         //this.showview('docrecoverydsr.connectionlist');      }  }  });

but once click item gives following error.

uncaught typeerror: cannot read property 'apply' of undefined

any suggestions appreciated.

please try below code

ext.define('net.omobio.dialog.dialogcc.controller.stockavailability', {     extend: 'ext.app.controller',    /*requires: [             'net.omobio.dialog.dialogcc.store.stockitems'],*/    config: {      refs: {         maincard: 'stockitemsmain #cardview',         stockitems: 'stock_items',         stockitemlist: 'stock_items #stockitemslist'        },        control: {         stockitemlist: {             itemtap: 'onstockitemlisttap'         }       },       routes: {         'bucketlist': 'loadbucketlist'      }     },      onstockitemlisttap: function(list, index, target, record, event) {         console.log('item tapped on data view');         console.log(list, index, target, record, event);         ext.msg.alert('', 'the material code selected is: ' + record.get('materialcode'));         var me = this;         console.log('record');         console.log(record);         console.log('index');         console.log(index);      },      loadbucketlist: function() {         console.log('xxxx bucket list');         //this.showview('docrecoverydsr.connectionlist');      }    });

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