I need to take a screen shot of a screen and save as pdf. I have accomplished the save as pdf task however the screenshot i take always gives a blank pdf. I have no idea why. My code is as follows :
-(IBAction)takeScreenShot { if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)]) UIGraphicsBeginImageContextWithOptions(self.view.bounds.size, NO, [UIScreen mainScreen].scale); else UIGraphicsBeginImageContext(self.view.bounds.size); [self.view.layer renderInContext:UIGraphicsGetCurrentContext()]; UIImage *image = UIGraphicsGetImageFromCurrentImageContext(); UIImageView *newImage = [[UIImageView alloc] initWithImage:image]; UIGraphicsEndImageContext(); [self createPDFfromUIView:newImage saveToDocumentsWithFileName:@"SecondScreen1.pdf"]; } -(void)createPDFfromUIView:(UIImageView*)aView saveToDocumentsWithFileName:(NSString*)aFilename { // Creates a mutable data object for updating with binary data, like a byte array NSMutableData *pdfData = [NSMutableData data]; //CGSize pageSize = CGSizeMake(612, 792); // Points the pdf converter to the mutable data object and to the UIView to be converted UIGraphicsBeginPDFContextToData(pdfData, aView.bounds, nil); UIGraphicsBeginPDFPage(); // draws rect to the view and thus this is captured by UIGraphicsBeginPDFContextToData //[aView.layer renderInContext:UIGraphicsGetCurrentContext()]; // remove PDF rendering context UIGraphicsEndPDFContext(); // Retrieves the document directories from the iOS device NSArray* documentDirectories = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask,YES); NSString* documentDirectory = [documentDirectories objectAtIndex:0]; NSString* documentDirectoryFilename = [documentDirectory stringByAppendingPathComponent:aFilename]; // instructs the mutable data object to write its context to a file on disk [pdfData writeToFile:documentDirectoryFilename atomically:YES]; NSLog(@"documentDirectoryFileName: %@",documentDirectoryFilename); } 
