how to dynamically change button size

[manoveg]

Hi,

I am using ST 1.1 and I have to dynamically change button width & height according to device dimensions.

I have made buttons using an image specified in css file

                    xtype: 'button',
                    cls:'btnCityCashback',
                    name : 'cityCashBack',
                    id:'cityCashBack',

I have not specified size of image in css file.

I have obtained width and height of viewport in cardcontroller.js

var viewportwidthcc= Ext.Element.getViewportWidth();
var viewportheightcc= Ext.Element.getViewportHeight();

Then I have obtained button object using

var btnCityCashback = Ext.getCmp('cityCashBack');

and then later on did

var rtn=btnCityCashback.setWidth(some width);

but it is not working and button is displayed in some default size.

Please help

[mitchellsimoens]

Have you insured it's the component you want and have you inspected the DOM?

[manoveg]

It worked. I was calling setWidth from wrong place. I moved it to app.js