Cocos2d-x 添加iOS7默认分享/AirDrop

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原文地址: http://www.cocos2dev.com/?p=530

下午添加分享的时候，看着这么多第三方sdk，我还是喜欢ios7默认的分享功能，简洁大方。它也能显示你已安装的社交app。

下面我说下如何在cocos2dx里面使用。

下面是封装好的IOSShareManager.h/m ，这个是一个oc单例类，负责调用分享和保存rootViewController。代码很少，看注释就可以了明白了。

IOSShareManager.h

////  IOSShareManager.h//  IOS7ShareSample////  Created by LiuYanghui on 14-3-22.////#import <Foundation/Foundation.h>#import <UIKit/UIKit.h>@interface IOSShareManager : NSObject+ (IOSShareManager *) getInstance;- (void)share:(CGPoint)pos;@property (nonatomic, readwrite, retain) id viewController;@end

IOSShareManager.m

////  IOSShareManager.m//  IOS7ShareSample////  Created by LiuYanghui on 14-3-22.////#import "IOSShareManager.h"@interface IOSShareManager()@property (strong, nonatomic) UIPopoverController *activityPopover;@end@implementation IOSShareManager+ (IOSShareManager *) getInstance{    static IOSShareManager* gameMgr = nil;    static dispatch_once_t onceToken;    dispatch_once(&onceToken, ^{        gameMgr = [[self alloc] init];    });    return gameMgr;}- (void)share:(CGPoint)pos{    // 你可以先截屏保存到document下，这里的image读取document下面。    UIImage *image = [UIImage imageNamed:@"HelloWorld.png"];    NSString *mesg = @"You can add some description info here!";    UIActivityViewController *activityViewController = [[UIActivityViewController alloc] initWithActivityItems:@[image, mesg] applicationActivities:nil];    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {        //iPhone 从底部向上滑出view        [self.viewController presentViewController:activityViewController animated:YES completion:nil];    } else {        //iPad, 弹出view        if (![self.activityPopover isPopoverVisible]) {            self.activityPopover = [[UIPopoverController alloc] initWithContentViewController:activityViewController];            [self.activityPopover presentPopoverFromRect:CGRectMake(pos.x, pos.y, 0, 0) inView:((UIViewController *)self.viewController).view permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];        } else {            //Dismiss view，当重复点击时            [self.activityPopover dismissPopoverAnimated:YES];        }    }}- (id)init{    self = [super init];    if (self) {        // init code here    }    return self;}- (void) dealloc{    [super dealloc];}@end

上面的是oc的类，下面添加中间层接口，供cpp调用。IOSShare.h/mm 就是我们需要添加的中间层类方法。

IOSShare.h

////  IOSShare.h//  IOS7ShareSample////  Created by LiuYanghui on 14-3-22.////#ifndef __IOS7ShareSample__IOSShare__#define __IOS7ShareSample__IOSShare__class IOSShare {public:/*! @brief share * * 显示分享view，如果是ipad，则从设置位置弹出view * @param posX * @param posY */    static void share(float posX, float posY);};#endif /* defined(__IOS7ShareSample__IOSShare__) */

IOSShare.mm

////  IOSShare.cpp//  IOS7ShareSample////  Created by LiuYanghui on 14-3-22.////#include "IOSShare.h"#import "IOSShareManager.h"void IOSShare::share(float posX, float posY){    [[IOSShareManager getInstance] share:CGPointMake(posX, posY)];}

ok，下面就是如何使用。

第一步：设置IOSShareManager 的rootViewController。
请在AppController.mm，添加：#import “IOSShareManager.h”, 并在下面函数中设置IOSShareManager 的rootViewController

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    // ....    [[IOSShareManager getInstance] setViewController:viewController];}

第二步：cpp中调用分享，参数坐标当在ipad下的时候，以该坐标为弹出点，弹出分享视图。

IOSShare::share(300, 300);

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