Tenn's WorkSpace

    NSString *str = @"{\"flg\":\"1\"}";

    NSData *data = [str dataUsingEncoding:NSUTF8StringEncoding];

    NSError *err = nil;

    id result = [NSJSONSerialization JSONObjectWithData:data options:0 error:&err];

    NSDictionary *dic = result;

    NSString *p1 = [dic objectForKey:@"flg"];

    NSLog(@"%@", p1);

AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];

if([device hasTorch])

{

...

}

http://stackoverflow.com/questions/15247175/how-to-find-out-camera-flash-is-available-in-iphone

//뷰가 로드될때, UITextField에 placeholder의 폰트 사이즈 지정

//UITextFieldDelegate

- (BOOL)textFieldShouldClear:(UITextField *)textField{

//placehoder사이즈를 UITextField에 지정

return YES;

}

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {

...

        NSString *changedStr = [textField.text stringByReplacingCharactersInRange:range withString:string];

        if([changedStr isEqualToString:@""]){

            //placehoder사이즈를 UITextField에 지정

        }else{

            //입력문자 사이즈를 UITextField에 지정

        }

return YES;

}