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POImage on uitableview lost after scrolling
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  1. POImage on uitableview lost after scrolling
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    copied!<p>in my application, i'm loading images to the cells of a table. But, when i scroll the table, the image goes out of sight of the table(goes up), it wont be there even if i scroll back.</p> <p>customCell.h</p> <pre><code>#import &lt;UIKit/UIKit.h&gt; @interface CustomCell : UITableViewCell&lt;UINavigationControllerDelegate, UIImagePickerControllerDelegate&gt; { UIViewController *viewController; UIImageView *imageView; UIButton *button; @property (nonatomic, retain) IBOutlet UIImageView *imageView; @property (nonatomic, assign)UIViewController *viewController; @property (nonatomic, retain) IBOutlet UIButton *button; -(IBAction)selectExistingPicture1; @end } </code></pre> <p>customCell.m</p> <pre><code> #import "CustomCell.h" @implementation CustomCell @synthesize imageView; @synthesize viewController; @synthesize button; - (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker { [picker dismissModalViewControllerAnimated:YES]; } - (IBAction)selectExistingPicture1 { if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypePhotoLibrary]) { UIImagePickerController *picker = [[UIImagePickerController alloc] init]; picker.delegate = self; picker.allowsImageEditing = YES; picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; [self.viewController presentModalViewController:picker animated:YES]; [picker release]; } else { UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error accessing photo library" message:@"Device does not support a photo library" delegate:nil cancelButtonTitle:@"Drat!" otherButtonTitles:nil]; [alert show]; [alert release]; } } - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo { UIImage *thumbnail = [image _imageScaledToSize:CGSizeMake(80, 80) interpolationQuality:1]; /*CGSize newSize = CGSizeMake(80, 80); UIGraphicsBeginImageContext( newSize ); [image drawInRect:CGRectMake(0,0,newSize.width,newSize.height)]; UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext();*/ imageView.image = thumbnail; [picker dismissModalViewControllerAnimated:YES]; } - (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier { if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) { // Initialization code } return self; } - (void)setSelected:(BOOL)selected animated:(BOOL)animated { [super setSelected:selected animated:animated]; // Configure the view for the selected state } - (void)dealloc { [imageView release]; [viewController release]; [button release]; [super dealloc]; } @end </code></pre> <p>cameraViewController.h</p> <pre><code>#import &lt;UIKit/UIKit.h&gt; @interface Camera1ViewController : UIViewController &lt;UITableViewDelegate,UITableViewDataSource&gt; { } @end </code></pre> <p>cameraViewController.m</p> <pre><code>#import "Camera1ViewController.h" #import "CustomCell.h" @implementation Camera1ViewController - (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } - (void)viewDidUnload { [super viewDidUnload]; // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } - (void)dealloc { [i [super dealloc]; } #pragma mark Table Data Source Methods - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return 25; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CustomCellIdentifier = @"CustomCellIdentifier"; CustomCell *cell = (CustomCell *)[tableView dequeueReusableCellWithIdentifier:CustomCellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CustomCellIdentifier] autorelease]; NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"CustomCell" owner:self options:nil]; for (id currentObject in nib){ if ([currentObject isKindOfClass:[CustomCell class]]){ cell = (CustomCell *)currentObject; cell.viewController = self; break; } } } //dont know what to do here. return cell; } - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { return 100; } - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section { NSString *key = @"Album"; return key; } @end </code></pre>
 

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