Having trouble converting a simple Objective-C block to Swift
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Not sure what I'm doing wrong. I'm using this module https://github.com/wenzhaot/InstagramPhotoPicker (the header file for the block is here https://github.com/wenzhaot/InstagramPhotoPicker/blob/master/TWPhotoPicker/TWPhotoPickerController.h)
In Objective-C, the syntax is:
photoPicker.cropBlock = ^(UIImage *image) {
//do something
};
I tried converting it to swift, but I'm getting an error
photoPicker.cropBlock{ (image:UIImage) -> () in
//Do something
//error: cannot invoke 'cropBlock' with an argument list of type '((UIImage) -> ())'
}
How to get it to work?
objective-c swift
add a comment |
Not sure what I'm doing wrong. I'm using this module https://github.com/wenzhaot/InstagramPhotoPicker (the header file for the block is here https://github.com/wenzhaot/InstagramPhotoPicker/blob/master/TWPhotoPicker/TWPhotoPickerController.h)
In Objective-C, the syntax is:
photoPicker.cropBlock = ^(UIImage *image) {
//do something
};
I tried converting it to swift, but I'm getting an error
photoPicker.cropBlock{ (image:UIImage) -> () in
//Do something
//error: cannot invoke 'cropBlock' with an argument list of type '((UIImage) -> ())'
}
How to get it to work?
objective-c swift
add a comment |
Not sure what I'm doing wrong. I'm using this module https://github.com/wenzhaot/InstagramPhotoPicker (the header file for the block is here https://github.com/wenzhaot/InstagramPhotoPicker/blob/master/TWPhotoPicker/TWPhotoPickerController.h)
In Objective-C, the syntax is:
photoPicker.cropBlock = ^(UIImage *image) {
//do something
};
I tried converting it to swift, but I'm getting an error
photoPicker.cropBlock{ (image:UIImage) -> () in
//Do something
//error: cannot invoke 'cropBlock' with an argument list of type '((UIImage) -> ())'
}
How to get it to work?
objective-c swift
Not sure what I'm doing wrong. I'm using this module https://github.com/wenzhaot/InstagramPhotoPicker (the header file for the block is here https://github.com/wenzhaot/InstagramPhotoPicker/blob/master/TWPhotoPicker/TWPhotoPickerController.h)
In Objective-C, the syntax is:
photoPicker.cropBlock = ^(UIImage *image) {
//do something
};
I tried converting it to swift, but I'm getting an error
photoPicker.cropBlock{ (image:UIImage) -> () in
//Do something
//error: cannot invoke 'cropBlock' with an argument list of type '((UIImage) -> ())'
}
How to get it to work?
objective-c swift
objective-c swift
edited Jan 3 at 8:25
Martijn Pieters♦
726k14325492349
726k14325492349
asked Jul 2 '15 at 22:11
Mike JonasMike Jonas
2231310
2231310
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
You're just missing =
sign. Also image
is implicitly unwrapped optional:
photoPicker.cropBlock = { (image: UIImage!) -> () in
//Do something
}
or
photoPicker.cropBlock = { image in
//Do something
}
still same error :-/ i.imgur.com/5hHUgSC.png
– Mike Jonas
Jul 2 '15 at 22:20
Also theUIImage
is implicitly unwrapped optional. Notice the!
in your error message. See my revised answer.
– Rob
Jul 2 '15 at 22:22
Oh, that fixed it. Thanks!!!!
– Mike Jonas
Jul 3 '15 at 4:37
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
You're just missing =
sign. Also image
is implicitly unwrapped optional:
photoPicker.cropBlock = { (image: UIImage!) -> () in
//Do something
}
or
photoPicker.cropBlock = { image in
//Do something
}
still same error :-/ i.imgur.com/5hHUgSC.png
– Mike Jonas
Jul 2 '15 at 22:20
Also theUIImage
is implicitly unwrapped optional. Notice the!
in your error message. See my revised answer.
– Rob
Jul 2 '15 at 22:22
Oh, that fixed it. Thanks!!!!
– Mike Jonas
Jul 3 '15 at 4:37
add a comment |
You're just missing =
sign. Also image
is implicitly unwrapped optional:
photoPicker.cropBlock = { (image: UIImage!) -> () in
//Do something
}
or
photoPicker.cropBlock = { image in
//Do something
}
still same error :-/ i.imgur.com/5hHUgSC.png
– Mike Jonas
Jul 2 '15 at 22:20
Also theUIImage
is implicitly unwrapped optional. Notice the!
in your error message. See my revised answer.
– Rob
Jul 2 '15 at 22:22
Oh, that fixed it. Thanks!!!!
– Mike Jonas
Jul 3 '15 at 4:37
add a comment |
You're just missing =
sign. Also image
is implicitly unwrapped optional:
photoPicker.cropBlock = { (image: UIImage!) -> () in
//Do something
}
or
photoPicker.cropBlock = { image in
//Do something
}
You're just missing =
sign. Also image
is implicitly unwrapped optional:
photoPicker.cropBlock = { (image: UIImage!) -> () in
//Do something
}
or
photoPicker.cropBlock = { image in
//Do something
}
edited Jul 2 '15 at 22:20
answered Jul 2 '15 at 22:15


RobRob
307k51579748
307k51579748
still same error :-/ i.imgur.com/5hHUgSC.png
– Mike Jonas
Jul 2 '15 at 22:20
Also theUIImage
is implicitly unwrapped optional. Notice the!
in your error message. See my revised answer.
– Rob
Jul 2 '15 at 22:22
Oh, that fixed it. Thanks!!!!
– Mike Jonas
Jul 3 '15 at 4:37
add a comment |
still same error :-/ i.imgur.com/5hHUgSC.png
– Mike Jonas
Jul 2 '15 at 22:20
Also theUIImage
is implicitly unwrapped optional. Notice the!
in your error message. See my revised answer.
– Rob
Jul 2 '15 at 22:22
Oh, that fixed it. Thanks!!!!
– Mike Jonas
Jul 3 '15 at 4:37
still same error :-/ i.imgur.com/5hHUgSC.png
– Mike Jonas
Jul 2 '15 at 22:20
still same error :-/ i.imgur.com/5hHUgSC.png
– Mike Jonas
Jul 2 '15 at 22:20
Also the
UIImage
is implicitly unwrapped optional. Notice the !
in your error message. See my revised answer.– Rob
Jul 2 '15 at 22:22
Also the
UIImage
is implicitly unwrapped optional. Notice the !
in your error message. See my revised answer.– Rob
Jul 2 '15 at 22:22
Oh, that fixed it. Thanks!!!!
– Mike Jonas
Jul 3 '15 at 4:37
Oh, that fixed it. Thanks!!!!
– Mike Jonas
Jul 3 '15 at 4:37
add a comment |
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