.
.
.
launch {
    //CoroutineScope

    val permissionResult = PermissionManager.requestPermissions(           //Suspends the coroutine
                            this@Fragment,                                  
                            REQUEST_ID,
                            Manifest.permission.ACCESS_FINE_LOCATION,
                            Manifest.permission.READ_CONTACTS,
                            Manifest.permission.CAMERA
                        )
                        
    //Resume coroutine once result is ready
    when(permissionResult) {
        is PermissionResult.PermissionGranted -> {
            //Add your logic here after user grants permission(s)
        }
        is PermissionResult.PermissionDenied -> {
            //Add your logic to handle permission denial
        }
        is PermissionResult.PermissionDeniedPermanently -> {
            //Add your logic here if user denied permission(s) permanently.
            //Ideally you should ask user to manually go to settings and enable permission(s)
        }
        is PermissionResult.ShowRational -> {
            //If user denied permission frequently then she/he is not clear about why you are asking this permission.
            //This is your chance to explain them why you need permission.
        }
    }

}

requestPermissions(
    Manifest.permission.ACCESS_FINE_LOCATION,
    Manifest.permission.READ_CONTACTS,
    Manifest.permission.CAMERA
) {
    requestCode = 4
    resultCallback = {
        when(this) {
            is PermissionResult.PermissionGranted -> {
                //Add your logic here after user grants permission(s)
            }
            is PermissionResult.PermissionDenied -> {
                //Add your logic to handle permission denial
            }
            is PermissionResult.PermissionDeniedPermanently -> {
                //Add your logic here if user denied permission(s) permanently.
                //Ideally you should ask user to manually go to settings and enable permission(s)
            }
            is PermissionResult.ShowRational -> {
                //If user denied permission frequently then she/he is not clear about why you are asking this permission.
                //This is your chance to explain them why you need permission.
            }
        }
    }
}

PermissionManager.requestPermissions(
                this,
                REQUEST_ID,
                Manifest.permission.ACCESS_FINE_LOCATION,
                Manifest.permission.READ_CONTACTS
            )

/**
 * Interface definition for a callback to get [LiveData] of [PermissionResult]
 *
 * Implement this interface to get [LiveData] for observing permission request result.
 */
interface PermissionObserver {
    fun setupObserver(permissionResultLiveData: LiveData<PermissionResult>)
}

override fun setupObserver(permissionResultLiveData: LiveData<PermissionResult>) {
    permissionResultLiveData.observe(this, Observer<PermissionResult> {
        when (it) {
            is PermissionResult.PermissionGranted -> {
                if (it.requestId == REQUEST_ID) {
                    //Add your logic here after user grants permission(s)
                }
            }
            is PermissionResult.PermissionDenied -> {
                if (it.requestId == REQUEST_ID) {
                    //Add your logic to handle permission denial
                }
            }
            is PermissionResult.PermissionDeniedPermanently -> {
                if (it.requestId == REQUEST_ID) {
                    //Add your logic here if user denied permission(s) permanently.
                    //Ideally you should ask user to manually go to settings and enable permission(s)
                }
            }
            is PermissionResult.ShowRational -> {
                if (it.requestId == REQUEST_ID) {
                    //If user denied permission frequently then she/he is not clear about why you are asking this permission.
                    //This is your chance to explain them why you need permission.
                }
            }
        }
    })
}