UISegmentedControl and UITableView

[gtyt38]

Hi everyone,

I am looking for a way to switch the data for a UITableView when the value of a UISegmentedControl is changed. I would very much appreciate any help (and sample code, preferably)!

[Duncan C]

Originally Posted by gtyt38

Hi everyone,

I am looking for a way to switch the data for a UITableView when the value of a UISegmentedControl is changed. I would very much appreciate any help (and sample code, preferably)!

Create a table view controller. A table view controller is a subclass of UIViewController.

In IB, create a view that contains a table view and a segmented control.

Set up an action and outlet in your view controller for the segmented control.

Connect the action to the value changed event for the segmented control.

In your IBAction, write code that does whatever you need it to do when the value of the segmented control changes.

No, I don't have any sample code for you because your needs are unique.

You don't make it clear what you mean by "change the data". Do you want to display completely different sets of data depending on the setting of the segmented control?

In that case, store your sets of data in an NSArray, where index 0 in the array holds the data you want to display for the first setting on the segmented control, index 1 holds the data for the second setting on the control, index 2 holds the data for the third setting, etc. Then, when the user switches the segmented control, call the table view's reloadData method and the table view will ask the data source for its data, and you can supply data from a different dataset.

[gtyt38]

Thank you very much, but what I need is how to change the table's data source from array1 to array2.

[Jules2010]

I'm trying to do this two, but switching the data isn't a problem as I'm using the same code and just changing my sql.

However, when I add my segmented control to my view, and resize my table view down a little, I can't see my segmented control when my app runs.

I've tried hiding my navigation bar just in case its hidden behind, but the table view occupies the full view.

Any ideas ?

[Duncan C]

Originally Posted by Jules2010

I'm trying to do this two, but switching the data isn't a problem as I'm using the same code and just changing my sql.

However, when I add my segmented control to my view, and resize my table view down a little, I can't see my segmented control when my app runs.

I've tried hiding my navigation bar just in case its hidden behind, but the table view occupies the full view.

Any ideas ?

I bet you have a navigation bar and/or status bar in your app, but haven't made room for one in IB. In that case, the system will resize the table view and shift things around in order to make room for the bar(s).

Your segmented control is probably being hidden under the nave bar.

Set up the view in IB to have a status bar and/or nav bar if it will be used with those elements. That way you can lay out your views correctly. (there is a popup in IB (on the first inspector page, if memory serves) that tells IB if the view should include a nav bar or status bar.

[fbartolom]

Originally Posted by Duncan C

I bet you have a navigation bar and/or status bar in your app, but haven't made room for one in IB. In that case, the system will resize the table view and shift things around in order to make room for the bar(s).

Your segmented control is probably being hidden under the nave bar.

Set up the view in IB to have a status bar and/or nav bar if it will be used with those elements. That way you can lay out your views correctly. (there is a popup in IB (on the first inspector page, if memory serves) that tells IB if the view should include a nav bar or status bar.

I have both a navigation controller and a tabbar and I do not find any way to have the segmented control show up without inserting it in the header of the table, what is not very practical given the segmented control is used to sort the table. Any suggestion?