Created
April 23, 2020 21:52
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| fun Fragment.isGranted(permission: AppPermission) = run { | |
| context?.let { | |
| (PermissionChecker.checkSelfPermission(it, permission.permissionName | |
| ) == PermissionChecker.PERMISSION_GRANTED) | |
| } ?: false | |
| } | |
| fun Fragment.shouldShowRationale(permission: AppPermission) = run { | |
| shouldShowRequestPermissionRationale(permission.permissionName) | |
| } | |
| fun Fragment.requestPermission(permission: AppPermission) { | |
| requestPermissions(arrayOf(permission.permissionName), permission.requestCode | |
| ) | |
| } | |
| fun Fragment.handlePermission( | |
| permission: AppPermission, | |
| onGranted: (AppPermission) -> Unit, | |
| onDenied: (AppPermission) -> Unit, | |
| onRationaleNeeded: ((AppPermission) -> Unit)? = null | |
| ) { | |
| when { | |
| isGranted(permission) ->onGranted.invoke(permission) | |
| shouldShowRationale(permission) -> onRationaleNeeded?.invoke(permission) | |
| else -> onDenied.invoke(permission) | |
| } | |
| } | |
| fun Fragment.handlePermissionsResult( | |
| requestCode: Int, | |
| permissions: Array<out String>, | |
| grantResults: IntArray, | |
| onPermissionGranted: (AppPermission) -> Unit, | |
| onPermissionDenied: ((AppPermission) -> Unit)? = null, | |
| onPermissionDeniedPermanently: ((AppPermission) -> Unit)? = null | |
| ) { | |
| AppPermission.permissions.find { | |
| it.requestCode == requestCode | |
| }?.let { appPermission -> | |
| val permissionGrantResult = mapPermissionsAndResults(permissions, grantResults | |
| )[appPermission.permissionName] | |
| when { | |
| PermissionChecker.PERMISSION_GRANTED == permissionGrantResult -> { | |
| onPermissionGranted(appPermission) | |
| } | |
| shouldShowRationale(appPermission) -> onPermissionDenied?.invoke(appPermission) | |
| else -> { | |
| goToAppDetailsSettings() | |
| onPermissionDeniedPermanently?.invoke(appPermission) | |
| } | |
| } | |
| } | |
| } | |
| private fun Fragment.goToAppDetailsSettings() { | |
| val intent = Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS).apply { | |
| data = Uri.fromParts("package", context?.packageName, null) | |
| } | |
| activity?.let { | |
| it.startActivityForResult(intent, 0) | |
| } | |
| } | |
| private fun mapPermissionsAndResults( | |
| permissions: Array<out String>, grantResults: IntArray | |
| ): Map<String, Int> = permissions.mapIndexedTo(mutableListOf<Pair<String, Int>>() | |
| ) { index, permission -> permission to grantResults[index] }.toMap() | |
| sealed class AppPermission( | |
| val permissionName: String, val requestCode: Int, val deniedMessageId: Int, val explanationMessageId: Int | |
| ) { | |
| companion object { | |
| val permissions: List<AppPermission> by lazy { | |
| listOf( | |
| ACCESS_COARSE_LOCATION, | |
| ACCESS_FINE_LOCATION | |
| ) | |
| } | |
| } | |
| object ACCESS_FINE_LOCATION : AppPermission(Manifest.permission.ACCESS_FINE_LOCATION, 42, | |
| R.string.permission_required_text, R.string.permission_required_text | |
| ) | |
| object ACCESS_COARSE_LOCATION : AppPermission(Manifest.permission.ACCESS_COARSE_LOCATION, 43, | |
| R.string.permission_required_text, R.string.permission_required_text | |
| ) | |
| } |
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