问题描述
- 如何设置ios中的UIPickerView?
-
目前需要添加一个PickerView,但是运行之后只有黑屏,不知道问题出在哪里?UIPickerView *myPickerView = [[UIPickerView alloc] initWithFrame:CGRectMake(0, 0, 320, 320)]; [self.view addSubview:myPickerView];
谢谢指点。
解决方案
– numberOfComponentsInPickerView:
– pickerView:numberOfRowsInComponent:
还有UIPickerViewDelegate方法:
– pickerView:titleForRow:forComponent:
然后设置properties:
UIPickerView * myPickerView = [[UIPickerView alloc] initWithFrame:CGRectMake(0, 0, 320, 320)];
myPickerView.delegate = self;
myPickerView.dataSource = self;
[self.view addSubview:myPickerView];
在.h文件中,如下:
<UIPickerViewDelegate, UIPickerViewDataSource>
我以前是用NSMutableArray充填字符串,希望对你有用。
时间: 2024-08-03 02:51:36