createPDFfromUIView

createPDFfromUIView

- (void)createPDFfromUIView:(UIView*)aView saveToDocumentsWithFileName:(NSString*)aFilename
{
  // Creates a mutable data object for updating with binary data, like a byte array
  NSMutableData *pdfData = [NSMutableData data];
  
  // Points the pdf converter to the mutable data object and to the UIView to be converted
  UIGraphicsBeginPDFContextToData(pdfData, aView.bounds, nil);
  UIGraphicsBeginPDFPage();
  CGContextRef pdfContext = UIGraphicsGetCurrentContext();
  
  
  // draws rect to the view and thus this is captured by UIGraphicsBeginPDFContextToData
  
  [aView.layer renderInContext:pdfContext];
  
  // 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);
}