iOS UITableView-Insert
#import "YoungViewController.h"
@interface YoungViewController ()<UITableViewDataSource,UITableViewDelegate>
{
NSMutableArray * items; //定义开始加载的数组
}
@end
@implementation YoungViewController
- (void)viewDidLoad
{
[super viewDidLoad];
items = [[NSMutableArray alloc]init]; //初始化
#pragram mark 赋值
[items addObject:@"AA"];
[items addObject:@"BB"];
[items addObject:@"CC"];
[items addObject:@"DD"];
[items addObject:@"EE"];
[items addObject:@"FF"];
[items addObject:@"GG"];
[items addObject:@"HH"];
UITableView * tableView = [[UITableView alloc]init];
tableView.frame = CGRectMake(0, 20, 320, 400);
[tableView setBackgroundView:nil];
[tableView setBackgroundColor:[UIColor grayColor]];
[tableView setDelegate:self];
[tableView setDataSource:self];
[tableView setTag:1000]; //1-100是苹果公司预留tag值
[self.view insertSubview:tableView atIndex:0];
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
int count = [items count];
return count+1;
}
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString* AllActivitiesCellIdentifier = @"AllActivitiesCellIdentifier";
UITableViewCell *cell=[tableView dequeueReusableCellWithIdentifier:AllActivitiesCellIdentifier];
if(cell==nil){
cell=[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:AllActivitiesCellIdentifier];
}
if(indexPath.row<[items count])
{
cell.textLabel.text = [items objectAtIndex:indexPath.row];
}
else
{
cell.textLabel.text = @"Loading More";
}
return cell;
}
-(void)tableView:(UITableView*)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
if([indexPath row] == [items count])
{
[self performSelectorInBackground:@selector(LoadMore) withObject:nil];
}
}
-(void)LoadMore
{
NSMutableArray *more = [[NSMutableArray alloc]init];
[more addObject:@"11"];
[more addObject:@"22"];
[more addObject:@"33"];
[self performSelectorOnMainThread:@selector(appendTableWith:) withObject:more waitUntilDone:NO];
}
-(void)appendTableWith:(NSMutableArray*)data
{
for(int i=0;i<[data count];i++)
{
[items addObject:[data objectAtIndex:i]];
}
NSMutableArray *insertIndexPaths = [NSMutableArray arrayWithCapacity:100];
for(int ind =0;ind<[data count];ind++)
{
NSIndexPath *newPath = [NSIndexPath indexPathForRow:[items indexOfObject:[data objectAtIndex:ind]] inSection:0];
[insertIndexPaths addObject:newPath];
}
UITableView * tas = (UITableView*)[self.view viewWithTag:1000];
[tas insertRowsAtIndexPaths:insertIndexPaths withRowAnimation:UITableViewRowAnimationFade];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
@end