uipickerview

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Necessary to retain controller for datasource and delegate of uiPickerview?

As I understood, I should not be retaining a controller which is a delegate or datasource. I have made a UIPickerView, created in a property accessor as such:[详细]

2023-04-09 18:53 分类：问答
How to Change Color selected Picked value from pickerview?

pickerArray = [[NSArray arrayWithObjects:@\"20\", @\"40\", @\"60\",@\"80\", @\"100\", @\"120\", @\"140\", @\"160\", @\"180\", @\"200\",nil] retain];[详细]

2023-04-09 10:50 分类：问答
Popup UIPickerView (iphone)

I am creating a textField which when clicked UIPickerView comes up. When I run this code there is an error:[详细]

2023-04-09 07:46 分类：问答
IOS, How to add a custom SelectionIndicator to a UIPickerView?

I want to add a checkmark instead of the default SelectionIndicator for UIPickerView. I am trying to add 开发者_开发知识库an image as subview[详细]

2023-04-09 03:13 分类：问答
selectedRowInComponent not working

I have the following issue (with iPhone SDK) : The selectedRowInComponent method of UIPickerView returns the correct value the first time it is 开发者_StackOverflow中文版called and then keeps returnin[详细]

2023-04-09 02:51 分类：问答
How call customview on action of button?

I have create a demo project in which i have add button. On button action i am calling a custom view. On that custom view i have add a picker view, a toolbar and bar button. On action of button i am c[详细]

2023-04-08 04:35 分类：问答
How can pickerview have date component to it?

I need to add a date component to my PickerView. Any ideas on how to get the date component? One way is to manually maintain all the date related info, take current date add and subtract to get the re[详细]

2023-04-08 00:46 分类：问答
How fixed tag value for text field of custom cell in table view?

I am implementing a ta开发者_如何学运维b;e in which i have created a custom cell for cell of tableview. On custom cell i am displaying two text field , one button and one image view. Now i want implem[详细]

2023-04-07 22:59 分类：问答
Can I disable selection in specific UIPickerView item?

I can find a post that teach to use delegate 开发者_JAVA百科method to check if the row valid and then scroll to the right one if not.[详细]

2023-04-07 22:57 分类：问答
What is error in code of view did load so it crashed progrme?

I am using this code for view did load.. - (void)viewDidLoad { myPicker.hidden=TRUE; NSArray * shopping=[NSArray arrayWithObjects:@\"Lie in bed\",[详细]

2023-04-07 21:22 分类：问答