UITableView
对于标准图像/文本视图,我正在泄漏内存。我正在加载图像imageWithContentsOfFile
并将其分配给我cell
的imageView.image
.
此图像不会自动释放,我必须迭代-dealloc
方法中的单元格并将其设置为 0。
但是每次我展示我的时候我仍然会失去记忆UITableView
,我真的不知道为什么。我还autorelease
从单元格中删除了它并尝试手动释放它,但我仍然失去记忆。
亚历克斯
- (id) initWithProfils:(ColorPainterProfiles*) profils listener:(NSObject<ColorPainterTableListener>*) listener{
self = [super init];
if (self) {
_listener=listener;
_profils=profils;
}
return self;
}
- (void)dealloc
{
for (int section = 0; section < [self.tableView numberOfSections]; section++) {
for (int row = 0; row < [self.tableView numberOfRowsInSection:section]; row++) {
NSIndexPath* cellPath = [NSIndexPath indexPathForRow:row inSection:section];
UITableViewCell* cell = [self.tableView cellForRowAtIndexPath:cellPath];
cell.imageView.image=0;
//[cell release];
}
}
[super dealloc];
}
- (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.
}
#pragma mark - View lifecycle
- (void) viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
}
// Implement loadView to create a view hierarchy programmatically, without using a nib.
- (void)loadView
{
//((UILabel*)self.navigationItem.titleView).text=NSLocalizedString(@"Change Picture", @"");
}
- (void) setTableView:(UITableView *)tableView {
[super setTableView:tableView];
self.tableView.delegate=self;
self.tableView.dataSource=self;
if ([LibTools isIPad]) {
self.tableView.rowHeight=self.tableView.rowHeight*3;
} else {
self.tableView.rowHeight=self.tableView.rowHeight*2;
}
}
- (void)viewDidUnload
{
[super viewDidUnload];
}
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
return YES;
}
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
// If row is deleted, remove it from the list.
if (editingStyle == UITableViewCellEditingStyleDelete)
{
// delete your data item here
[_profils deleteAt:[_profils.profils objectAtIndex:indexPath.row]];
[_profils removeProfileAt:indexPath.row];
// Animate the deletion from the table.
[self.tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
}
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
[_listener actionColorPainterTable:[_profils.profils objectAtIndex:indexPath.row] sender:self];
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
// There is only one section.
return 1;
}
- (NSInteger) numberOfRows {
return _profils.profils.count;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return [self numberOfRows];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *MyIdentifier = @"ManageModels";
// Try to retrieve from the table view a now-unused cell with the given identifier.
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:MyIdentifier];
// If no cell is available, create a new one using the given identifier.
if (cell == nil) {
// Use the default cell style.
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:MyIdentifier] autorelease];
} else {
cell.imageView.image=0;
}
ColorPainterProfile *cpp=[_profils.profils objectAtIndex:indexPath.row];
cell.textLabel.text=cpp.title;
NSString *path=[LibTools documentsSubFolder:cpp._subFolder];
cell.imageView.image =[UIImage imageWithContentsOfFile:[path stringByAppendingPathComponent:cpp._imageName]];
//cell.accessoryType=UITableViewCellAccessoryDisclosureIndicator;
// Set up the cell.
//cell.textLabel.textColor=[UIColor grayColor];
return cell;
}
/*- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)sec {
return @"Hello";
}*/
/*- (NSIndexPath *)tableView:(UITableView *)tableView willSelectRowAtIndexPath:(NSIndexPath *)indexPath {
return nil;
}*/
- (BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
return (toInterfaceOrientation == UIInterfaceOrientationPortrait || toInterfaceOrientation == UIInterfaceOrientationPortraitUpsideDown);
}