Update README

README.md

@@ -54,7 +54,14 @@ For this plugin to work you will have to add permission configuration to your `A
 - [Info.plist](https://github.com/Baseflow/flutter-permission-handler/blob/develop/example/ios/Runner/Info.plist)
 
 > IMPORTANT: ~~On iOS you will have to include all permission options when you want to submit your App.~~ This is because the `permission_handler` plugin touches all different SDKs and because the static code analyser (run by Apple upon App submission) detects this and will assert if it cannot find a matching permission option in the `Info.plist`. More information about this can be found [here](https://github.com/BaseflowIT/flutter-permission-handler/issues/26).
-> 1. Add the following to your "Podfile" file:
+
+On iOS, the permission_handler plugin use [macros](https://github.com/BaseflowIT/flutter-permission-handler/blob/develop/ios/Classes/PermissionHandlerEnums.h) to control whether a permission is supported.
+
+By default, all the permissions listed [here](https://github.com/Baseflow/flutter-permission-handler#list-of-available-permissions) are supported.
+
+You can remove permissions you don't use by:
+
+> 1. Add the following to your `Podfile` file:
 >
 >    ```ruby
 >    post_install do |installer|
@@ -63,6 +70,7 @@ For this plugin to work you will have to add permission configuration to your `A
 >          ... # Here are some configurations automatically generated by flutter
 >    
 >          # You can remove unused permissions here
+>          # for more infomation: https://github.com/BaseflowIT/flutter-permission-handler/blob/develop/ios/Classes/PermissionHandlerEnums.h
 >          # e.g. when you don't need camera permission, just add 'PERMISSION_CAMERA=0'
 >          config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= [
 >            '$(inherited)',
@@ -105,7 +113,28 @@ For this plugin to work you will have to add permission configuration to your `A
 >      end
 >    end
 >    ```
-> 2. Clean & Rebuild
+>
+> 2. Delete the corresponding permission description in `Info.plist`
+>
+>    e.g. when you don't need camera permission, just delete 'NSCameraUsageDescription'
+>
+>    The following lists the relationship between `Permission` and `The key of Info.plist`:
+>
+>    | Permission  | Info.plist  | Macro |
+>    |---|---|---|---|
+>    | PermissionGroup.calendar  |  NSCalendarsUsageDescription | PERMISSION_EVENTS |
+>    | PermissionGroup.reminders  |  NSRemindersUsageDescription | PERMISSION_REMINDERS |
+>    | PermissionGroup.contacts  |  NSContactsUsageDescription | PERMISSION_CONTACTS |
+>    | PermissionGroup.camera  |  NSCameraUsageDescription | PERMISSION_CAMERA |
+>    | PermissionGroup.microphone  |  NSMicrophoneUsageDescription | PERMISSION_MICROPHONE |
+>    | PermissionGroup.speech  |  NSSpeechRecognitionUsageDescription | PERMISSION_SPEECH_RECOGNIZER |
+>    | PermissionGroup.photos  |  NSPhotoLibraryUsageDescription | PERMISSION_PHOTOS |
+>    | PermissionGroup.location, PermissionGroup.locationAlways, PermissionGroup.locationWhenInUse  |  NSLocationUsageDescription, NSLocationAlwaysAndWhenInUseUsageDescription, NSLocationWhenInUseUsageDescription | PERMISSION_LOCATION |
+>    | PermissionGroup.notification  |  PermissionGroupNotification | PERMISSION_NOTIFICATIONS |
+>    | PermissionGroup.mediaLibrary  |  NSAppleMusicUsageDescription, kTCCServiceMediaLibrary | PERMISSION_MEDIA_LIBRARY |
+>    | PermissionGroup.sensors  |  NSMotionUsageDescription | PERMISSION_SENSORS |
+>
+> 3. Clean & Rebuild
 
 ## API
 

example/ios/Podfile

@@ -66,6 +66,7 @@ post_install do |installer|
       config.build_settings['ENABLE_BITCODE'] = 'NO'
 
       # You can remove unused permissions here
+      # for more infomation: https://github.com/BaseflowIT/flutter-permission-handler/blob/develop/ios/Classes/PermissionHandlerEnums.h
       # e.g. when you don't need camera permission, just add 'PERMISSION_CAMERA=0'
       config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= [
         '$(inherited)',