Add bluetooth permission.

permission_handler/ios/Classes/PermissionHandlerEnums.h

@@ -108,7 +108,9 @@ typedef NS_ENUM(int, PermissionGroup) {
     PermissionGroupIgnoreBatteryOptimizations,
     PermissionGroupNotification,
     PermissionGroupAccessMediaLocation,
+    PermissionGroupActivityRecognition,
     PermissionGroupUnknown,
+    PermissionGroupBluetooth,
 };
 
 typedef NS_ENUM(int, PermissionStatus) {

permission_handler/ios/Classes/PermissionManager.h

@@ -10,6 +10,7 @@
 #import <UIKit/UIKit.h>
 
 #import "AudioVideoPermissionStrategy.h"
+#import "BluetoothPermissionStrategy.h"
 #import "ContactPermissionStrategy.h"
 #import "EventPermissionStrategy.h"
 #import "LocationPermissionStrategy.h"

permission_handler/ios/Classes/PermissionManager.m

@@ -123,6 +123,8 @@
             return [NotificationPermissionStrategy new];
         case PermissionGroupStorage:
             return [StoragePermissionStrategy new];
+        case PermissionGroupBluetooth:
+            return [BluetoothPermissionStrategy new];
         default:
             return [UnknownPermissionStrategy new];
     }

permission_handler/ios/Classes/strategies/BluetoothPermissionStrategy.h

+//
+//  BluetoothPermissionStrategy.h
+//  permission_handler
+//
+//  Created by Rene Floor on 12/03/2021.
+//
+
+#import <Foundation/Foundation.h>
+#import <CoreBluetooth/CoreBluetooth.h>
+#import "PermissionStrategy.h"
+
+
+@interface BluetoothPermissionStrategy : NSObject <PermissionStrategy>
+@end

permission_handler/ios/Classes/strategies/BluetoothPermissionStrategy.m

+//
+//  BluetoothPermissionStrategy.m
+//  permission_handler
+//
+//  Created by Rene Floor on 12/03/2021.
+//
+
+#import "BluetoothPermissionStrategy.h"
+
+
+@implementation BluetoothPermissionStrategy
+
+- (PermissionStatus)checkPermissionStatus:(PermissionGroup)permission {
+    if (@available(iOS 13.1, *)) {
+        CBManagerAuthorization blePermission = [CBCentralManager authorization];
+        return [BluetoothPermissionStrategy parsePermission:blePermission];
+    } else if (@available(iOS 13.0, *)){
+        CBCentralManager* manager = [[CBCentralManager alloc] init];
+        CBManagerAuthorization blePermission =  [manager authorization];
+        return [BluetoothPermissionStrategy parsePermission:blePermission];
+    }
+    return PermissionStatusGranted;
+}
+
+- (ServiceStatus)checkServiceStatus:(PermissionGroup)permission {
+    CBCentralManager* manager = [[CBCentralManager alloc] init];
+    if (@available(iOS 10, *)) {
+        return [manager state] == CBManagerStatePoweredOn ? ServiceStatusEnabled : ServiceStatusDisabled;
+    }
+    return [manager state] == CBCentralManagerStatePoweredOn ? ServiceStatusEnabled : ServiceStatusDisabled;
+    
+}
+
+- (void)requestPermission:(PermissionGroup)permission completionHandler:(PermissionStatusHandler)completionHandler {
+    completionHandler([self checkPermissionStatus:permission]);
+}
+
++ (PermissionStatus)parsePermission:(CBManagerAuthorization)bluetoothPermission API_AVAILABLE(ios(13)){
+    switch(bluetoothPermission){
+        case CBManagerAuthorizationNotDetermined:
+            return PermissionStatusDenied;
+        case CBManagerAuthorizationRestricted:
+            return PermissionStatusRestricted;
+        case CBManagerAuthorizationDenied:
+            return PermissionStatusDenied;
+        case CBManagerAuthorizationAllowedAlways:
+            return PermissionStatusGranted;
+    }
+}
+@end

permission_handler/pubspec.yaml

@@ -16,7 +16,8 @@ dependencies:
   flutter:
     sdk: flutter
   meta: ^1.3.0
-  permission_handler_platform_interface: ^3.0.0+1
+  permission_handler_platform_interface:
+    path: ../permission_handler_platform_interface
 
 dev_dependencies:
   effective_dart: ^1.3.0

permission_handler_platform_interface/lib/src/permissions.dart

@@ -103,6 +103,10 @@ class Permission {
   /// The unknown only used for return type, never requested
   static const unknown = Permission._(20);
 
+  /// iOS 13 and above: The authorization state of Core Bluetooth manager.
+  /// When running < iOS 13 or Android this is always allowed.
+  static const bluetooth = Permission._(21);
+
   /// Returns a list of all possible [PermissionGroup] values.
   static const List<Permission> values = <Permission>[
     calendar,
@@ -126,6 +130,7 @@ class Permission {
     accessMediaLocation,
     activityRecognition,
     unknown,
+    bluetooth
   ];
 
   static const List<String> _names = <String>[
@@ -150,6 +155,7 @@ class Permission {
     'access_media_location',
     'activity_recognition',
     'unknown',
+    'bluetooth',
   ];
 
   @override