Native Extension iOS UIButton, A way to attach to the screen

Native Extension iOS UIButton, A way to attach to the screen

Crash is on the iPhone.

FREObject AddButton (FREContext ctx, void * funcData, uint32_t argc, FREObject argv [])

{

UIWindow *window = [[UIApplication sharedApplication] keyWindow];

button = [UIButton buttonWithType:UIButtonTypeRoundedRect];

[button setTitle:@"iOS TestButton" forState:UIControlStateNormal];

button.frame = CGRectMake(150, 150, 106, 53);

[window addSubview:button];

return NULL;

}