How to init a background thread when app is loaded

[Zhong Liu]

Hello,
I need load a background thread, to scan files to be uploaded to backend. could someone give me some advises on this, thank you.

[Yurii Orishchuk]

Hi Zhong.

Please follow these steps:

1. Open your start page(see in app settings) in design mode.

2. Open events bottom panel.

3. Add "Page load" JS event for this page and populate it with following code: http://prntscr.com/3u9xb5/direct

   pre

   var onNewThread = function(){
   //Here you should place the logic code you need in the new thread.
   console.log("new thread in work");
   };

   window.setTimeout(onNewThread, 100);

   /pre

   Regards.

[Zhong Liu]

Thank you, Yurii.

[Zhong Liu]

and, how to avoid re-create the thread, can I query whether the thread is exist before create the thread?

[Yurii Orishchuk]

Zhong,

You can modify code with following:

pre

var onNewThread = function(){

Code: Select all

 //Start thread 
 self.startThreadWorking = true; 

 //Here you should place the logic code you need in the new thread. 
 console.log("new thread in work"); 

 //End thread. 
 self.startThreadWorking = false; 

};
if(!self.startThreadWorking)
window.setTimeout(onNewThread, 100);

/pre

Regards.