balazsnemeth

/**
 *  Upload an image to twitter to get media_id for is
 *
 *  @param img        The image (UIImage or NSData) to be uploaded
 *  @param completion
 */
- (void)sendTweetWithImage:(id)img withCompletion:(void(^)(NSNumber *mediaID, NSError *error))completion {
    
    NSURL *requestURL = [[NSURL alloc] initWithString:@"https://upload.twitter.com/1.1/media/upload.json"];

balazsnemeth

//Create an image about the screen of the iOS device
+ (UIImage *) screenshot{

    UIWindow *mainWindow = [[[UIApplication sharedApplication] windows] firstObject];
    
    if(UIGraphicsBeginImageContextWithOptions != NULL)
    {
        UIGraphicsBeginImageContextWithOptions(mainWindow.frame.size, NO, 0.0f);
    } else {
        UIGraphicsBeginImageContext(mainWindow.frame.size);

balazsnemeth

//based on the solution of iamamused : https://gist.github.com/iamamused/1955318
@implementation UIImage (ImageFromPDF)

+ (UIImage *)imageLoadedFromPDF:(NSString *)filePath fitSize:(CGSize)fitSize shouldCacheAsAFile:(BOOL)storeInFile{
    // Determine if the device is retina.
    BOOL isRetina = [UIScreen instancesRespondToSelector:@selector(scale)] && [[UIScreen mainScreen] scale] == 2.0;
    
    // Create a file manager so we can check if the image exists and store the image.
    NSFileManager *fileManger = [NSFileManager defaultManager];