text: //******************************************************************************
  //
  // Copyright (c) 2016 Microsoft Corporation. All rights reserved.
  //
  // This code is licensed under the MIT License (MIT).
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  //
  //******************************************************************************
  
  #pragma once
  
  #import <UIKit/UIKitExport.h>
  #import <Foundation/NSObject.h>
  
  typedef enum : NSInteger {
      UIActivityCategoryAction,
      UIActivityCategoryShare,
  } UIActivityCategory;
  
  UIKIT_EXPORT NSString* const UIActivityTypePostToFacebook;
  UIKIT_EXPORT NSString* const UIActivityTypePostToTwitter;
  UIKIT_EXPORT NSString* const UIActivityTypePostToWeibo;
  UIKIT_EXPORT NSString* const UIActivityTypeMessage;
  UIKIT_EXPORT NSString* const UIActivityTypeMail;
  UIKIT_EXPORT NSString* const UIActivityTypePrint;
  UIKIT_EXPORT NSString* const UIActivityTypeCopyToPasteboard;
  UIKIT_EXPORT NSString* const UIActivityTypeAssignToContact;
  UIKIT_EXPORT NSString* const UIActivityTypeSaveToCameraRoll;
  UIKIT_EXPORT NSString* const UIActivityTypeAddToReadingList;
  UIKIT_EXPORT NSString* const UIActivityTypePostToFlickr;
  UIKIT_EXPORT NSString* const UIActivityTypePostToVimeo;
  UIKIT_EXPORT NSString* const UIActivityTypePostToTencentWeibo;
  UIKIT_EXPORT NSString* const UIActivityTypeAirDrop;
  
  @class UIViewController;
  @class UIImage;
  
  UIKIT_EXPORT_CLASS
  @interface UIActivity : NSObject
  + (UIActivityCategory)activityCategory STUB_METHOD;
  - (NSString*)activityType STUB_METHOD;
  - (NSString*)activityTitle STUB_METHOD;
  - (UIImage*)activityImage STUB_METHOD;
  - (BOOL)canPerformWithActivityItems:(NSArray*)activityItems STUB_METHOD;
  - (void)prepareWithActivityItems:(NSArray*)activityItems STUB_METHOD;
  - (UIViewController*)activityViewController STUB_METHOD;
  - (void)performActivity STUB_METHOD;
  - (void)activityDidFinish:(BOOL)completed STUB_METHOD;
  @end
  