objective c - call a function written in iOS module from titanium -

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in xcode viewproxy wrote code below:

-(void) hideselecteddate { nslog(@"[info] in hide selected date proxy"); [self performselectoronmainthread:@selector(hideselecteddate) withobject:nil waituntildone:no]; }

when call titanium, "in hide selected date proxy" written in console, app crashes after it.

how can use : 

[self performselectoronmainthread:@selector(hideselecteddate) withobject:nil waituntildone:no];

"hideselecteddate" trying call in in view


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