update for ios permission

ios/Podfile

@@ -34,8 +34,73 @@ target 'Runner' do
   flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
 end
 
+# post_install do |installer|
+#   installer.pods_project.targets.each do |target|
+#     flutter_additional_ios_build_settings(target)
+#   end
+# end
+
 post_install do |installer|
   installer.pods_project.targets.each do |target|
     flutter_additional_ios_build_settings(target)
+
+    # Start of the permission_handler configuration
+    target.build_configurations.each do |config|
+
+      # You can enable the permissions needed here. For example to enable camera
+      # permission, just remove the `#` character in front so it looks like this:
+      #
+      # ## dart: PermissionGroup.camera
+      # 'PERMISSION_CAMERA=1'
+      #
+      #  Preprocessor definitions can be found in: https://github.com/Baseflow/flutter-permission-handler/blob/master/permission_handler_apple/ios/Classes/PermissionHandlerEnums.h
+      config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= [
+        '$(inherited)',
+
+        ## dart: PermissionGroup.calendar
+        # 'PERMISSION_EVENTS=1',
+
+        ## dart: PermissionGroup.reminders
+        # 'PERMISSION_REMINDERS=1',
+
+        ## dart: PermissionGroup.contacts
+        # 'PERMISSION_CONTACTS=1',
+
+        ## dart: PermissionGroup.camera
+        # 'PERMISSION_CAMERA=1',
+
+        ## dart: PermissionGroup.microphone
+        # 'PERMISSION_MICROPHONE=1',
+
+        ## dart: PermissionGroup.speech
+        # 'PERMISSION_SPEECH_RECOGNIZER=1',
+
+        ## dart: PermissionGroup.photos
+        # 'PERMISSION_PHOTOS=1',
+
+        ## dart: [PermissionGroup.location, PermissionGroup.locationAlways, PermissionGroup.locationWhenInUse]
+        'PERMISSION_LOCATION=1'
+
+        ## dart: PermissionGroup.notification
+        # 'PERMISSION_NOTIFICATIONS=1',
+
+        ## dart: PermissionGroup.mediaLibrary
+        # 'PERMISSION_MEDIA_LIBRARY=1',
+
+        ## dart: PermissionGroup.sensors
+        # 'PERMISSION_SENSORS=1',   
+
+        ## dart: PermissionGroup.bluetooth
+        # 'PERMISSION_BLUETOOTH=1',
+
+        ## dart: PermissionGroup.appTrackingTransparency
+        # 'PERMISSION_APP_TRACKING_TRANSPARENCY=1',
+
+        ## dart: PermissionGroup.criticalAlerts
+        # 'PERMISSION_CRITICAL_ALERTS=1'
+      ]
+
+    end 
+    # End of the permission_handler configuration
   end
-end
+end