ios - Using .xib file as the custom camera overlayview -

i created cameraoverlayviewcontroller .xib file implement customized camera overlayview with. overlayview transparent background button select photo photolibrary , loads in mainviewcontroller following code:

cameraoverlayviewcontroller* overlay = [[cameraoverlayviewcontroller alloc] initwithnibname:@"cameraoverlayviewcontroller" bundle:nil]; camerapicker.cameraoverlayview = overlay.view; 

however, nothing happens when pressed button on cameraoverlayview. no error messages, nothing. know what's going on here? below code in cameraoverlayviewcontroller file:

- (ibaction)select:(uibutton *)sender {      uiimagepickercontroller *picker = [[uiimagepickercontroller alloc] init];     [self dismissviewcontrolleranimated:yes completion:^{          [self presentviewcontroller:picker                            animated:yes completion:nil];      }];     picker.delegate = self;     picker.allowsediting = yes;     picker.sourcetype = uiimagepickercontrollersourcetypephotolibrary;      [self presentviewcontroller:picker animated:yes completion:null];     nslog(@"just work alrdy!!!"); } 

thanks in advance!

try this..

-(ibaction)select:(uibutton *)sender {      uiimagepickercontroller *picker = [[uiimagepickercontroller alloc] init];     picker.delegate = self;     picker.allowsediting = yes;     picker.sourcetype = uiimagepickercontrollersourcetypephotolibrary;     [self dismissviewcontrolleranimated:yes completion:^{      [self presentviewcontroller:picker                        animated:yes completion:nil];  ////////check called??????      }]; }