How to get Screen Shot on button click 


CODE 1
import "QuartzCore.framework"


// .h file
-(IBAction)captureScreen:(id)sender;




// .m file


#import <QuartzCore/QuartzCore.h>




-(IBAction)captureScreen:(id)sender
{
 UIGraphicsBeginImageContext(self.view.window.frame.size);
 [self.view.layer renderInContext:UIGraphicsGetCurrentContext()];
 UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
 UIGraphicsEndImageContext();
 UIImageWriteToSavedPhotosAlbum(viewImage, nil, nil, nil);
}



















//Code 2



CGImageRef UIGetScreenImage(void);



CGImageRef originalImage = UIGetScreenImage();



CGImageRef videoImage = CGImageCreateWithImageInRect(originalImage,CGRectMake(0,66,320,230));UIImage *snapShotImage = [UIImage imageWithCGImage:videoImage];



UIImageWriteToSavedPhotosAlbum(snapShotImage, nil, nil, nil);



CGImageRelease(originalImage);                



CGImageRelease(videoImage); 




































Comments











Post a Comment



















Popular posts from this blog









Hacker Rank problem solution





















          1. Sort Item based on the  column  :     - ( void ) viewDidLoad  {       [ super  viewDidLoad ];       // Do any additional setup after loading the view, typically from a nib.       NSArray  *ary = [ self  fetchItemsToDisplay : @[ @"Item4,10,15" , @"Item2,3,4" , @"Item3,17,8" ]  sortParameter : @(1)  sortOrder : @(0)  itemPerPage : @(2)  pageNumber : @(1) ];       NSLog ( @"%@" ,ary);          }         - ( NSArray  *) fetchItemsToDisplay :( NSArray  *)items sortParameter :( NSNumber  *)sortParameter sortOrder :( NSNumber  *)sortOrder itemPerPage :( NSNumber  *)itemPerPage pageNumber :( NSNumber  *)pageNumber {              NSMutableArray  *itemArray = [ NSMutableArray  new ];              for  ( int  i = 0 ; i<items. count ; i++) {           NSString  *item = items[i];           NSArray  *itemDetails = [item componentsSeparatedByString : @"," ];                      ItemModel  *itemModel = [[ ItemModel  alloc ] init ];    








Read more










How to Make REST api call in Objective-C.





















  We can call using this.  NSString  * twitterUrl =  @ "YourUrlString" ;  NSString  * resp =  [ self  makeRestAPICall :  twitterUrl ];   and method is  -( NSString *)  makeRestAPICall :  ( NSString *)  reqURLStr {      NSURLRequest  * Request  =  [ NSURLRequest  requestWithURL :[ NSURL URLWithString :  reqURLStr ]];      NSURLResponse  * resp =  nil ;      NSError  * error =  nil ;      NSData  * response =  [ NSURLConnection  sendSynchronousRequest :  Request  returningResponse :  & resp error :  & error ];      NSString  * responseString =  [[ NSString  alloc ]  initWithData : response encoding : NSUTF8StringEncoding ];      NSLog (@ "%@" , responseString );      return  responseString ;  }                                              1 2 3 4             @ interface  ViewController  :  UIViewController < NSURLConnectionDelegate > {      NSMutableData * _responseData ; }                      








Read more










Building and Running Python Scripts with Xcode





















Hi, If you want to run python file from xcode, you can follow this link which I have followed.  https://medium.com/sourleangchhean/using-xcode-to-execute-pythons-code-98be65c1ea8a Here is few steps which I have done.   Download  and install python (If not already downloaded)(I have downloaded 3.9 version) Check if it available in at /usr/local/bin/python3 Right Click on Python3 then select Show Original Get in to that location in terminal. (Open terminal type cd and drag drop that location file) in my case path is " cd /Library/Frameworks/Python.framework/Versions/3.9/bin/"  Type "ln python3.9 python39" This is for terminal part. Now create new xcode project  File > New > Project > Cross-platform > External Build System > Next Enter Name and  Enter a name (e.g. PythonLearning), and enter the path from  above Step(i.e  /usr/local/bin/python3 ) into the “Build Tool” line. Click Next.  Create a Python file Choose File > New, select macOS > Other &g








Read more