Facebook/Twitter/LINEへ投稿する「DCSocial」クラス

Facebook/Twitter/LINEへの画像/テキスト/URLの投稿をシンプルな記述で実行する「DCSocial」クラスを作成しました。

このクラスを使用する際は「Social」フレームワークが必要になります。

下記よりサンプルとソースコードのダウンロードが行えます。

ダウンロード

https://github.com/masakihirokawa/objc-classes-dc-social

使用方法

Facebookへの画像/テキスト/URLの投稿

[DCSocial postToFacebook:self
                    text:POST_TEXT
               imageName:POST_IMG_NAME
                     url:POST_URL];

Twitterへの画像/テキスト/URLの投稿

[DCSocial postToTwitter:self
                   text:POST_TEXT
              imageName:POST_IMG_NAME
                    url:POST_URL];

LINEへの画像投稿

[DCSocial postToLine:POST_IMG_NAME];

ソースコード

DCSocial.h

#import <Foundation/Foundation.h>
#import <Social/Social.h>

@interface DCSocial : NSObject

#pragma mark - public method
+ (void)postToFacebook:(id)delegate text:(NSString *)text imageName:(NSString *)imageName url:(NSString *)url;
+ (void)postToTwitter:(id)delegate text:(NSString *)text imageName:(NSString *)imageName url:(NSString *)url;
+ (void)postToLine:(NSString *)imageName;
+ (void)socialShare:(id)delegate shareText:(NSString *)shareText shareImage:(UIImage *)shareImage;

@end

DCSocial.m

#import "DCSocial.h"

@implementation DCSocial

// Facebookへ投稿
+ (void)postToFacebook:(id)delegate text:(NSString *)text imageName:(NSString *)imageName url:(NSString *)url
{
    SLComposeViewController *slc = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeFacebook];
    [slc setInitialText:text];
    [slc addImage:[UIImage imageNamed:imageName]];
    [slc addURL:[NSURL URLWithString:url]];
    [delegate presentViewController:slc animated:YES completion:nil];
}

// Twitterへ投稿
+ (void)postToTwitter:(id)delegate text:(NSString *)text imageName:(NSString *)imageName url:(NSString *)url
{
    SLComposeViewController *slc = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeTwitter];
    [slc setInitialText:text];
    [slc addImage:[UIImage imageNamed:imageName]];
    [slc addURL:[NSURL URLWithString:url]];
    [delegate presentViewController:slc animated:YES completion:nil];
}

// LINEへ投稿
+ (void)postToLine:(NSString *)imageName
{
    UIPasteboard *pasteboard = [UIPasteboard pasteboardWithUniqueName];
    [pasteboard setData:UIImagePNGRepresentation([UIImage imageNamed:imageName]) forPasteboardType:@"public.png"];
    NSString *LineUrlString = [NSString stringWithFormat:@"line://msg/image/%@", pasteboard.name];
    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:LineUrlString]];
}

// シェアする
+ (void)socialShare:(id)delegate shareText:(NSString *)shareText shareImage:(UIImage *)shareImage
{
    if([UIActivityViewController class]) {
        NSString *textToShare = shareText;
        UIImage *imageToShare = shareImage;
        NSArray *itemsToShare = [[NSArray alloc] initWithObjects:textToShare, imageToShare, nil];
        UIActivityViewController *activityVC = [[UIActivityViewController alloc] initWithActivityItems:itemsToShare applicationActivities:nil];
        activityVC.excludedActivityTypes = [[NSArray alloc] initWithObjects: UIActivityTypePrint, UIActivityTypeCopyToPasteboard, UIActivityTypeAssignToContact, UIActivityTypeSaveToCameraRoll, UIActivityTypeMessage, UIActivityTypePostToWeibo, nil];
        [delegate presentViewController:activityVC animated:YES completion:nil];
    }
}

@end

サンプルソースコード

ViewController.h

#import <UIKit/UIKit.h>
#import "DCSocial.h"

#define POST_TEXT     @"via Dolice Alternative Design"
#define POST_IMG_NAME @"Pandora_640_1136.jpg"
#define POST_URL      @"https://dolice.net/mb/"

@interface ViewController : UIViewController

- (IBAction)postToFacebook:(id)sender;
- (IBAction)postToTwitter:(id)sender;
- (IBAction)postToLine:(id)sender;

@end

ViewController.m

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
}

- (IBAction)postToFacebook:(id)sender
{
    [DCSocial postToFacebook:self
                        text:POST_TEXT
                   imageName:POST_IMG_NAME
                         url:POST_URL];
}

- (IBAction)postToTwitter:(id)sender
{
    [DCSocial postToTwitter:self
                       text:POST_TEXT
                  imageName:POST_IMG_NAME
                        url:POST_URL];
}

- (IBAction)postToLine:(id)sender
{
    [DCSocial postToLine:POST_IMG_NAME];
}

@end