Downloading an image to a file in a Coroutine Worker - Part 3

ImageWidgetWorker.kt

private suspend fun downloadImage(...): String {
  ...
    // Get the path of the loaded image from DiskCache.
    val path = context.imageLoader.diskCache?.openSnapshot(url)?.use { snapshot ->
        ...

        // Find the current launcher every time to ensure it has read permissions
        val intent = Intent(Intent.ACTION_MAIN).apply { addCategory(Intent.CATEGORY_HOME) }
        val resolveInfo = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
            context.packageManager.resolveActivity(
                intent,
                PackageManager.ResolveInfoFlags.of(PackageManager.MATCH_DEFAULT_ONLY.toLong())
            )
        } else {
            context.packageManager.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY)
        }
        val launcherName = resolveInfo?.activityInfo?.packageName
        if (launcherName != null) {
            // Request the permission
            context.grantUriPermission(
                launcherName,
                contentUri,
                FLAG_GRANT_READ_URI_PERMISSION or FLAG_GRANT_PERSISTABLE_URI_PERMISSION,
            )
        }

        // return the path
        contentUri.toString()
    }
    return requireNotNull(path) {
        "Couldn't find cached file"
    }
}