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Updated 26 October 2021
Sometimes we need to upload the multiple images to a server in a single request, for this Alamofire 3.0 provide the upload facility where we can upload ‘n’ number of images in the single request.
For this we have to follow some steps;
1: First we have to fetch all images in a single array and store all UIImage object in the array.
var imageDataArray:NSMutableArray = 
2: Now collect all the data which you have to send like params, headers or any data
Note: don’t access the data which is on the main thread, when you are uploading the images to server because upload works on background thread only.
Ex: like fetching the value from UItextfield etc;
3: define header in ViewdidLoad()
4: Now its time to define the method :
Note: a: imageFlagArray -> is bool array to check the array contains UIImage data or not.
b: self.imageDataArray[i] -> it contains UIImage object of Images.
c: self.UPLOAD_URL – > it is base URL where we have to upload.
d: self.headers -> it is header which I have defined in viewdidload method;
Now check the proper params and header field, upload URL then try it.
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