我想知道何时首次加载 iphone 活动UIActivityIndicator的UITableView表加载必须开始闪烁，以及当我单击加载更多单元格时表在 iphone 中完全加载时，我还想在加载更多行时显示活动闪烁请告诉我如果您自己完成此代码，我该怎么做，这是代码，然后在此先感谢
#import "RootViewController.h"
#import "Tweet.h"
@implementation RootViewController
@synthesize customImage,pagecontrol,cell;//indexPath;
#pragma mark -
#pragma mark View lifecycle
- (void)viewDidLoad
{
pageSize = 2;
// totalpages =(NSInteger) (xmlParser.tweets)/5 ;
xmlParser = [[XMLParser alloc] loadXMLByURL:@"http://api.twitter.com/1/statuses/user_timeline/KentFranks.xml"];
[super viewDidLoad];
self.title = @"Tweets";
}
#pragma mark -
#pragma mark Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
if([xmlParser.tweets count]>pageSize)
{
return pageSize+1;
}
return xmlParser.tweets.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = @"Cell";
cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];
}
//UIImage *twitterLogo = [[UIImage imageNamed:@"twitter-logo.png"]autorelease];
NSString *imagepath = [[NSBundle mainBundle] pathForResource:@"twitter-logo" ofType:@"png"];
UIImage *image =[[ UIImage alloc] initWithContentsOfFile:imagepath];
cell.imageView.image = image;
cell.detailTextLabel.text= @"Add Subtitle here";
Tweet *currentTweet = [[xmlParser tweets] objectAtIndex:indexPath.row];
if(indexPath.row<pageSize)
{
cell.textLabel.text = currentTweet.content;
}
else
{
cell.textLabel.text = @"Load more ";
}
NSLog(@"cell: %@",cell);
cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
return cell;
}
-(IBAction)loadmorebutton:(id)sender;
{
NSIndexPath *currentPath = [self.tableView indexPathForSelectedRow];
NSIndexPath *nextPath = [NSIndexPath indexPathForRow:currentPath.row+1 inSection:currentPath.section];
[self.tableView selectRowAtIndexPath:nextPath animated:YES scrollPosition:UITableViewScrollPositionMiddle];
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
if (indexPath.row==pageSize)
{
pageSize=pageSize+2;
[tableView reloadData];
}
}
/*
-(IBAction)pagecontrol:(UIPageControl *)pageControl
{
[self.tableView reloadData];
}
-(IBAction)Pageindexchanges:(id)sender
{
NSLog(@"clicked page index: %i ",pagecontrol.currentPage);
}
*/
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 55;
}
#pragma mark -
#pragma mark Table view delegate
/*- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
}
*/
#pragma mark -
#pragma mark Memory management
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
- (void)viewDidUnload
{
}
- (void)dealloc
{
[xmlParser release];
[super dealloc];
}
@end
