我正在开发一个应用程序，我正在使用以编程方式添加的UITableView 查看如下，
//creating tableview1
tableView1=[[UITableView alloc]initWithFrame:CGRectMake(self.view.frame.origin.x,self.view.frame.origin.y,self.view.frame.size.width,heightOfTable1)];
tableView1.scrollEnabled=NO;
tableView1.dataSource=self;
tableView1.separatorStyle=UITableViewCellSeparatorStyleNone;
[self.view addSubview:tableView1];
以下是我的cellForRowAtIndexPath方法
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
static NSString *cellIdentifier=@"CustomHiddenViewCell";
CustomHiddenViewCell *cell = (CustomHiddenViewCell *)[tableView dequeueReusableCellWithIdentifier:cellIdentifier];
if (cell == nil)
{
NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"CustomHiddenViewCell" owner:self options:nil];
cell = [nib objectAtIndex:0];
}
[cell setSelectionStyle:UITableViewCellSelectionStyleNone];
cell.greetingLabel.hidden=YES;
cell.detailViewButton.hidden=YES;
cell.separatorView.hidden=YES;
cell.accessoryType=UITableViewCellAccessoryNone;
if (tableView==tableView1) {
[[cell viewWithTag:101] removeFromSuperview];
[[cell viewWithTag:102] removeFromSuperview];
[[cell viewWithTag:103] removeFromSuperview];
[[cell viewWithTag:104] removeFromSuperview];
[[cell viewWithTag:105] removeFromSuperview];
[[cell viewWithTag:106] removeFromSuperview];
[[cell viewWithTag:107] removeFromSuperview];
[[cell viewWithTag:108] removeFromSuperview];
[[cell viewWithTag:109] removeFromSuperview];
if (initialViewFlag==1) {
if (indexPath.row==0) {
UIImageView *logoImageView=[[UIImageView alloc]initWithFrame:CGRectMake(cell.frame.size.width/2-60, 5, 120,50)];
logoImageView.image=[self convertImage];
[logoImageView setTag:101];
[cell.contentView addSubview:logoImageView];
[cell.contentView bringSubviewToFront:logoImageView];
}
else if (indexPath.row==1) {
[cell.detailViewButton addTarget:self action:@selector(exploreViewButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
UIButton *backButton=[[UIButton alloc]initWithFrame:CGRectMake(cell.frame.origin.x+20,10,70,40)];
[backButton setTitle:@"Back" forState:UIControlStateNormal];
[backButton setTag:102];
[backButton setBackgroundColor:[UIColor clearColor]];
[cell.contentView addSubview:backButton];
[cell bringSubviewToFront:backButton];
UIButton *homeButton=[[UIButton alloc]initWithFrame:CGRectMake(cell.detailViewButton.frame.origin.x+cell.detailViewButton.frame.size.width+58,10,70,40)];
[homeButton setTitle:@"Home" forState:UIControlStateNormal];
[homeButton setTag:103];
[homeButton setBackgroundColor:[UIColor clearColor]];
[cell.contentView addSubview:homeButton];
[cell bringSubviewToFront:homeButton];
}
else if (indexPath.row==2){
UILabel *cellLabel=[[UILabel alloc]initWithFrame:CGRectMake(10,0,cell.frame.size.width,cell.frame.size.height/2)];
[cellLabel setText:@"Personal Details"];
[cellLabel setTag:104];
[cell.contentView addSubview:cellLabel];
}
}
else if(initialViewFlag==2){
if (indexPath.row==0) {
UIImageView *logoImageView=[[UIImageView alloc]initWithFrame:CGRectMake(cell.frame.size.width/2-60, 5,120,50)];
logoImageView.image=[self convertImage];
[logoImageView setTag:201];
[cell.contentView addSubview:logoImageView];
}
else if (indexPath.row==1) {
cell.greetingLabel.hidden=YES;
cell.detailViewButton.hidden=YES;
UIButton *phoneButton=[[UIButton alloc]initWithFrame:CGRectMake(cell.frame.origin.x+5,cell.frame.origin.y+2,70,cell.frame.size.height-4)];
[phoneButton setTitle:@"Phone" forState:UIControlStateNormal];
[phoneButton setTag:202];
[cell.contentView addSubview:phoneButton];
UIButton *emailButton=[[UIButton alloc]initWithFrame:CGRectMake(phoneButton.frame.origin.x+phoneButton.frame.size.width+10,cell.frame.origin.y+2,70,cell.frame.size.height-4)];
[emailButton setTitle:@"Email" forState:UIControlStateNormal];
[emailButton setTag:203];
[cell.contentView addSubview:emailButton];
[cell bringSubviewToFront:emailButton];
UIButton *aboutInfoButton=[[UIButton alloc]initWithFrame:CGRectMake(emailButton.frame.origin.x+emailButton.frame.size.width+10,cell.frame.origin.y+2,70,cell.frame.size.height-4)];
[aboutInfoButton setTitle:@"About" forState:UIControlStateNormal];
[aboutInfoButton setTag:204];
[cell.contentView addSubview:aboutInfoButton];
[cell bringSubviewToFront:aboutInfoButton];
UIButton *logoutButton=[[UIButton alloc]initWithFrame:CGRectMake(aboutInfoButton.frame.origin.x+aboutInfoButton.frame.size.width+10,cell.frame.origin.y+2,70,cell.frame.size.height-4)];
[logoutButton setTitle:@"Logout" forState:UIControlStateNormal];
[logoutButton setTag:205];
[cell.contentView addSubview:logoutButton];
[cell bringSubviewToFront:logoutButton];
}
else if (indexPath.row==2) {
cell.detailViewButton.hidden=NO;
[cell.detailViewButton addTarget:self action:@selector(exploreViewButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
}
else if (indexPath.row==3) {
cell.detailViewButton.hidden =NO;
[cell.detailViewButton addTarget:self action:@selector(exploreViewButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
UIButton *backButton=[[UIButton alloc]initWithFrame:CGRectMake(cell.frame.origin.x+20,10,70,40)];
[backButton setTitle:@"Back" forState:UIControlStateNormal];
[backButton setTag:206];
[cell.contentView addSubview:backButton];
[cell bringSubviewToFront:backButton];
UIButton *homeButton=[[UIButton alloc]initWithFrame:CGRectMake(cell.detailViewButton.frame.origin.x+cell.detailViewButton.frame.size.width+58,10,70,40)];
[homeButton setTitle:@"Home" forState:UIControlStateNormal];
[homeButton setTag:207];
[homeButton setBackgroundColor:[UIColor clearColor]];
[cell.contentView addSubview:homeButton];
[cell bringSubviewToFront:homeButton];
}
else if (indexPath.row==4){
UILabel *cellLabel=[[UILabel alloc]initWithFrame:CGRectMake(10,0,cell.frame.size.width/2,cell.frame.size.height/2)];
[cellLabel setText:@"Personal Details"];
[cellLabel setTag:208];
cellLabel.backgroundColor=[UIColor clearColor];
[cell.contentView addSubview:cellLabel];
[cell bringSubviewToFront:cellLabel];
}
}
else if (initialViewFlag==3){
if (indexPath.row==0) {
cell.detailViewButton.hidden =NO;
[cell.detailViewButton addTarget:self action:@selector(exploreViewButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
UIButton *backButton=[[UIButton alloc]initWithFrame:CGRectMake(cell.frame.origin.x+20,10,70,40)];
[backButton setTitle:@"Back" forState:UIControlStateNormal];
[backButton setTag:301];
[backButton setBackgroundColor:[UIColor clearColor]];
[cell.contentView addSubview:backButton];
[cell bringSubviewToFront:backButton];
UIButton *homeButton=[[UIButton alloc]initWithFrame:CGRectMake(cell.detailViewButton.frame.origin.x+cell.detailViewButton.frame.size.width+58,10,70,40)];
[homeButton setTitle:@"Home" forState:UIControlStateNormal];
[homeButton setTag:302];
[homeButton setBackgroundColor:[UIColor clearColor]];
[cell.contentView addSubview:homeButton];
[cell bringSubviewToFront:homeButton];
}
else if (indexPath.row==1){
UILabel *cellLabel=[[UILabel alloc]initWithFrame:CGRectMake(10,0,cell.frame.size.width/2,cell.frame.size.height/2)];
[cellLabel setText:@"Personal Details"];
[cellLabel setTag:303];
cellLabel.backgroundColor=[UIColor clearColor];
[cell.contentView addSubview:cellLabel];
[cell bringSubviewToFront:cellLabel];
}
}
}
return cell;
}
//numberOfSectionsInTableView method
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
return 1;
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
if (tableView==accountStatementUpperTableView) {
if (initialViewFlag==1) {
return 3;
}
else if(initialViewFlag==2){
return 5;
}
else if (initialViewFlag==3){
return 2;
}
}
return 0;
}
//heightForRowAtIndexPath method
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
static NSString *cellIdentifier=@"CustomHiddenViewCell";
CustomHiddenViewCell *cell = (CustomHiddenViewCell *)[tableView dequeueReusableCellWithIdentifier:cellIdentifier];
NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"CustomHiddenViewCell" owner:self options:nil];
cell = [nib objectAtIndex:0];
if (tableView==accountStatementUpperTableView) {
[accountStatementUpperTableView beginUpdates];
[accountStatementUpperTableView endUpdates];
if (initialViewFlag==1) {
if (indexPath.row==0 || indexPath.row==1) {
return cell.frame.size.height;
}
else if (indexPath.row==2){
return cell.frame.size.height/2;
}
}
else if (initialViewFlag==2) {
if (indexPath.row==0 || indexPath.row==1 || indexPath.row==3) {
return cell.frame.size.height;
}
else if(indexPath.row==2){
return cell.detailViewButton.frame.size.height;
}
else if(indexPath.row==4){
double heightOfCell=(cell.frame.size.height/2);
return heightOfCell;
}
}
else if (initialViewFlag==3){
if (indexPath.row==0) {
return cell.frame.size.height;
}
else if (indexPath.row==1){
return cell.frame.size.height/2;
}
}
}
return cell.frame.size.height;
}
#pragma mark -
当我运行我的应用程序时，它给了我＆＃34;没有索引路径表格单元格被重用之前＆＃34;控制台中的消息。当我尝试使用调试器运行它时，我发现首先显示此消息，然后它开始执行UItableView的委托和数据源方法。
我还尝试在删除所有重新加载，开始更新和结束更新语句后运行但仍然收到此消息。并且在重新加载或更新语句期间不显示此消息，它仅在加载
之前显示任何人都可以告诉我为什么会这样吗？我的代码有什么问题吗？ 任何帮助表示赞赏。
答案 0 :(得分：0)
得到了解决方案。 我收到此消息只是因为我正在重新加载早期视图控制器的presentViewController的完成块中的tableview，同时呈现另一个视图控制器。
通过从presentViewController的完成块中删除reload语句来解决此问题