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我在 UIView 中添加多个 UITextField 时遇到问题,它们已正确添加,但碰巧用户只能编辑其中的第一个(触摸它以显示键盘),我已将委托设置为 self,并实现了 textFieldDidBeginEditing 方法. 可悲的是,只有第一个反应触发了这种方法,其他的似乎是“不可触碰的”。

你以前有过这种经历吗?

for (int i = 0;i<N;i++){


    CGRect textFieldNewFrame = CGRectMake(200,60 + 34*i,72,30);        
    fields[i] = [[UITextField alloc] initWithFrame:textFieldNewFrame];
    [fields[i] setTag:i];
    [fields[i] setText:@"0"];
    [fields[i] setFont:appFont];
    [fields[i] setTextColor:appColor];
    [fields[i] setBackground:[UIImage imageNamed:@"text_field_off.png"]];
    [fields[i] setTextAlignment:UITextAlignmentCenter];       
    [fields[i] setKeyboardType:UIKeyboardTypeDecimalPad];
    [fields[i] setDelegate:self];
    [fields[i] setUserInteractionEnabled:TRUE];
    [listView addSubview:fields[i]];

    verticalOffset += 34;
}


- (void)textFieldDidBeginEditing:(UITextField *)textField;{
    NSLog(@"TextField touched");
}

谢谢

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1 回答 1

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我会这样做,这只是一个面向对象的答案,应该可以,已经为我工作了很多次。

NSMutableArray *fields=[[NSMutableArray alloc] init];

for (int i = 0;i<N;i++){       
CGRect textFieldNewFrame = CGRectMake(200,60 + 34*i,72,30);             
[fields  addObject:[[UITextField alloc] initWithFrame:textFieldNewFrame]];     
[[fields objectAtIndex:i] setTag:i];     
[[fields objectAtIndex:i] setText:@"0"];     
[[fields objectAtIndex:i] setFont:appFont];     
[[fields objectAtIndex:i] setTextColor:appColor];     
[[fields objectAtIndex:i] setBackground:[UIImage imageNamed:@"text_field_off.png"]];     
[[fields objectAtIndex:i] setTextAlignment:UITextAlignmentCenter];            
[[fields objectAtIndex:i] setKeyboardType:UIKeyboardTypeDecimalPad];     
[[fields objectAtIndex:i] setDelegate:self];     
[[fields objectAtIndex:i] setUserInteractionEnabled:TRUE];     
[listView addSubview:[fields objectAtIndex:i]];
verticalOffset += 34; } 
于 2011-12-02T14:57:08.197 回答