iphone - Background image for activityIndicatorView -

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so, creating activityindicator programmatically. works fine. want add background image indicator , center in middle of view. idea how achive that?

here's code:

- (void) indicatorviewshow: (bool)show {      if (show) {         //--- create layout rect         cgrect indicatorrect;         indicatorrect.origin = self.view.center;         indicatorrect.size.width  = 50;         indicatorrect.size.height = 50;          indicatorrect.origin.x -= indicatorrect.size.width / 2;          //--- create indicator view         indicatorview = [[indicatorview alloc] initwithframe: indicatorrect];          indicatorview.activityindicatorviewstyle = uiactivityindicatorviewstylewhitelarge;         [indicatorview startanimating];         [self.view addsubview: indicatorview];          //--- show network activity         [uiapplication sharedapplication].networkactivityindicatorvisible = yes;     } else {         //--- hide network activity         [uiapplication sharedapplication].networkactivityindicatorvisible = no;         [indicatorview stopanimating];         //--- remove indicator view         indicatorview.hidden = yes;         [indicatorview release];         indicatorview = nil;     }  }

you subclass uiactivityindicator, add uiimageview in class, , have activity indicator background image property


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