You have to use custom imagepicker. And I think ELCImagePickerController is the best option in my opinion.
There is also some other library that can be used..
Objective-C ELCImagePickerController WSAssetPickerController QBImagePickerController ZCImagePickerController CTAssetsPickerController AGImagePickerController
Swift LimPicker (Similar to WhatsApp's image picker) RMImagePicker DKImagePickerController