RequestPermissionsWithSuspend.kt

import android.content.pm.PackageManager
import androidx.core.content.ContextCompat
import androidx.fragment.app.Fragment
import kotlin.coroutines.resume
import kotlin.coroutines.suspendCoroutine

val runWithCheck: MutableMap<Int, (Boolean) -> Unit> = mutableMapOf()

suspend fun Fragment.withCheck(vararg requests: String, run: (() -> Unit)? = null) = suspendCoroutine<Boolean> { cont ->
    val isGranted = requests.map {
        ContextCompat.checkSelfPermission(activity!!, it) == PackageManager.PERMISSION_GRANTED
    }.fold(true, { acc, b -> acc && b })

    if (isGranted) {
        run?.invoke()
        cont.resume(true)
    } else {
        val requestCode = requests.hashCode() and 0xffff
        requestPermissions(requests, requestCode)
        runWithCheck[requestCode] = { granted ->
            if (granted) run?.invoke()
            cont.resume(granted)
        }
    }
}

fun Fragment.onRequestPermissionsResultForSuspend(requestCode: Int, grantResults: IntArray) {
    val allGranted = grantResults.fold(true, { acc, i ->
        acc && i == PackageManager.PERMISSION_GRANTED
    })
    runWithCheck[requestCode]?.invoke(allGranted)
}