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Upload File to Server With Extra String Data In Android




I developing android application that need to upload images in server using okhttp3 library.
This library work great with small amount of time writing code. Then suddenly my internet connection get worst. I thought my application not working because no server response for almost a minute. Luckily android studio has great tool for debugging. I notice that my application have network activity therefore the android application is working.

So I write simple code to show uploading progress to notify user what happening.