App Properties Error

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Hello,

i'm trying to store data in the App properties, i'm using the following method: 

var global_list = Titanium.App.Properties.getList('global_list');
alert(global_list.length);
var order_row =
        {
            row_id:id,
            row_image:image
        };
global_list.push(order_row);
Titanium.App.Properties.setList('global_list', global_list);

when compiling i'm gettign this error:

[ERROR] Script Error = Result of expression 'Titanium.App.Properties.getList('global_list')' [null] is not an object. at addItem.js (line 191).

1 Answer

Accepted Answer

Hi Wassim Ghannoum,

If you want to use properties then you have to first initialize first before use it. try below code.

var global_list = Titanium.App.Properties.getList('global_list',[]);
alert(global_list.length);
var order_row =
        {
            row_id:id,
            row_image:image
        };
global_list.push(order_row);
Titanium.App.Properties.setList('global_list', global_list);
 
var global_list2 = Titanium.App.Properties.getList('global_list',[]);
alert(global_list2.length);

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