[英]Can't show text in the UITableView
I have a view-based app that just does one thing : show a array in a TableView, but it doesn't work and I don't know why. 我有一个基于视图的应用程序,它只做一件事:在TableView中显示一个数组,但是它不起作用,我也不知道为什么。 Here's the code. 这是代码。
.h
@interface ViewController : UIViewController <UITableViewDelegate, UITableViewDataSource>{
NSArray *array;
IBOutlet UITableView *table;
}
.m
-(void)viewDidLoad{
[super viewDidLoad];
array = [array initWithObjects:@"iPad", @"iTV", nil];
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return [array count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = @"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
}
cell.textLabel.text = [array objectAtIndex:indexPath.row];
return cell;
}
Any ideas why the TableView doesn't show the text? 有什么想法为什么TableView不显示文本? Thank you people! 谢谢大家!
array = [array initWithObjects:@"iPad", @"iTV", nil];
Should be 应该
array = [NSArray initWithObjects:@"iPad", @"iTV", nil];
also make sure you call arrayInit as barley mentioned 还请确保按大麦提到的那样调用arrayInit
edit: Vince is right in pointing out it should either be 编辑:文斯是正确的指出它应该是
[[NSArray alloc] initWithObjects:@"iPad", @"iTV", nil];
or 要么
[NSArray arrayWithObjects:@"iPad",@"iTV",nil];
depending on if you want to retain or have it auto released 取决于您是保留还是自动释放
Ill assume you are running under ARC 假设您在ARC下运行
NSIndexPath doesn't have a "row" property try NSIndexPath没有“行”属性尝试
NSInteger row = [indexPath indexAtPosition:1];
cell.textLabel.text = [array objectAtIndex:row];
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