allprojects {
		repositories {
			...
			maven { url 'https://jitpack.io' }
		}
	}

	dependencies {
	         implementation 'com.github.rkahir21:S3Manager:v1.0'
	}

    private val s3Manager by lazy {
           S3Manager(this)
       }

    override fun onCreate(savedInstanceState: Bundle?) {
            super.onCreate(savedInstanceState)
            setContentView(R.layout.activity_main)

            //You can also check if credentials set or not
            if (s3Manager.isCredentialsAvailable()) {
                //Now you can used

                //for single file
                uploadFile()

                //for multiple files
                uploadFiles()

            } else {
                //You need to call setCredentials()
                setCredentials()
            }

        }

      private fun setCredentials() {
         s3Manager.setCredentials(
             S3Config(
                 "YOUR_ACCESS_KEY_HERE",
                 "YOUR_SECRET_KEY_HERE",
                 "YOUR_REGION_HERE",
                 "YOUR_BUCKET_HERE",
             )
         )
     }

      private fun uploadFile() {
         s3Manager.uploadFile(
             file = File("demo.jpg"), // File need to upload
             filename = "uploadFileName", //if not pass argument then it has by default random name
             directory = "customer/user/profile", // full path of upload directory
             s3SingleTransferListener = object :
                 S3SingleTransferListener { //file uploading status listener

                 override fun onCompleted(fileName: String) {
                     //Do something on file uploading successfully
                 }

                 override fun onError(id: Int, exception: Exception?) {
                     //Do something on got any error file uploading
                 }

                 override fun onProgress(progress: Int) {
                     //Do something on file uploading progress
                 }

             }

         )
     }

     private fun uploadFiles() {
         s3Manager.uploadFiles(
             files = arrayListOf(File("demo.jpg")), // array of file need to upload
             directory = "customer/user/profile", // full path of upload directory
             s3MultipleTransferListener = object :
                 S3MultipleTransferListener { //file uploading status listener

                 override fun onCompleted(listOfName: ArrayList<String>) {
                     //Do something on files uploading successfully
                 }

                 override fun onError(id: Int, exception: Exception?) {
                     //Do something on got any error file uploading
                 }

                 override fun onProgress(progress: Int) {
                     //Do something on file uploading progress
                 }

                 override fun filesUploadedCount(totalFiles: Int, pendingFile: Int) {
                     //Do something on file uploading count
                 }

             }
         )
     }