我有一个UIScrollView和在UIScrollView我有的UITextFeild那个UIScrollView。我的问题是，点击后UITextfFeild变得UIScrollView比我设置的要小。
我设置了我的UIScrollView：
-(void) viewDidAppear:(BOOL)animated {
myScrollView.contentSize = CGSizeMake (320,800);
}
当我点击UITextfeild从UIScrollView800 到更小的约 500 时？
#import "TestViewController.h"
@interface TestViewController ()
@end
@implementation TestViewController
AVAudioPlayer *player;
@synthesize myScrollView;
@synthesize questionLabel, actionBarLabel, questionPlaceholder, commentsLabel;
@synthesize imageView, firstNameTextField,commentsTextField;
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
myScrollView.maximumZoomScale = 0.0;
myScrollView.minimumZoomScale = 0.0;
myScrollView.clipsToBounds = YES;
myScrollView.delegate = self;
[myScrollView addSubview:imageView];
[myScrollView setScrollEnabled:YES];
[myScrollView addSubview:questionLabel];
[myScrollView addSubview:firstNameTextField];
[myScrollView addSubview:commentsTextField];
[myScrollView addSubview:actionBarLabel];
[myScrollView addSubview:questionPlaceholder];
[myScrollView addSubview:commentsLabel];
UIButton *btn1 = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[btn1 setFrame:CGRectMake(10.0f, 600.0f, 300.0f, 42.0f)];
[btn1 setTitle:[NSString stringWithFormat:@"Choose an Option"] forState:UIControlStateNormal];
[btn1 addTarget:self action:@selector(showActionSheet:) forControlEvents:UIControlEventTouchUpInside];
[super viewDidLoad];
[self.myScrollView addSubview:btn1];
[self performSelector:@selector(showGradientForQuestions1) withObject:nil afterDelay:0];
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSData *imageData = [defaults dataForKey:@"image"];
UIImage *contactImage = [UIImage imageWithData:imageData];
NSString *frontName = [defaults objectForKey:@"firstname"];
NSString *comments = [defaults objectForKey:@"commentsText"];
// Update the UI elements with the saved data
imageView.image = contactImage;
firstNameTextField.text = frontName;
commentsTextField.text = comments;
firstNameTextField.delegate = self;
commentsTextField.delegate = self;
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
-(void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[self dismissViewControllerAnimated:YES completion:nil];
}
- (IBAction) save:(id)sender
{
[firstNameTextField resignFirstResponder];
[commentsTextField resignFirstResponder];
// Create instace of NSData
UIImage *contactImage = imageView.image;
NSData *imageData = UIImageJPEGRepresentation(contactImage, 100);
NSString *frontName = [firstNameTextField text];
NSString *comments = [commentsTextField text];
// Store the data
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults setObject:imageData forKey:@"image"];
[defaults setObject:frontName forKey:@"firstname"];
[defaults setObject:comments forKey:@"commentsText"];
[defaults synchronize];
NSLog(@"Data saved");
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Data Saved!" message:@" Successfully saved to cache" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];
[alert show];
}
- (void)viewDidUnload
{
imageView = nil;
firstNameTextField = nil;
commentsTextField = nil;
myScrollView = nil;
[super viewDidUnload];
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
-(BOOL) textFieldShouldReturn:(UITextField *)textField{
[firstNameTextField resignFirstResponder];
[commentsTextField resignFirstResponder];
[imageView resignFirstResponder];
[myScrollView resignFirstResponder];
[self.navigationController setNavigationBarHidden:NO];
return YES;
}
-(void) viewDidAppear:(BOOL)animated {
myScrollView.contentSize = CGSizeMake (320,800);
}
@end
