How do add button on each cell for table view cell so that it know which one is from.
Example:
Data have 2 products which is product A and product B, then I store them in array which is [product]. Inside the array, there have their detail which are name and price. So, I have successful making these into the table view.
The Question is how to insert button into the table view cell?
Example:
When button pressed, it know which row is pressed which is when press the 2nd row will be product B.
I'm newbie here. Need help, thanks.
You have two options:
Option one - easy, quick, bad:
create instance of the UIButton with the frame to position where you actually want the button to be placed. add tag property as well as the action. Action would be the same for the each button and you could use that tag to do the different actions.
Option two:
Create subclass of your UITableViewCell. Add all the element you want there. Create action for the button and you can set the target UITableViewCell or UITableViewController. If you choose UITableViewCell to be the target you will have to implement delegate, confront that delegate in the UITableViewController and implement that delegate function there. If you choose controller to be the target, you will have to send it to the cell. You will have to set tag as well.
I would use option two because it is scalable, easly maintained, and you have visual of the cell. Adding more components is easier as well.
I don't thing you need to put button or any other control in UITableViewCell to identify the selected cell.
All you need to do, is to implement following delegate method in to your class where you have implemented UITableView
tableView(_:willSelectRowAtIndexPath:)
tableView(_:didSelectRowAtIndexPath:)
and these methods will let you know selected UITableViewCell indexPath and you can do what you want to do on selection.
Note: do not forget to set your UIViewController as delegate to UITableView (almost like you did in case of DataSource).
Here's a Github repo you can refer, the code is not in good shape though.
Related
I have to create a UITableView. Suppose there are 2 table views TableView1 and TableView2. TableView2 will contain suppose 2 text boxes. And I have to add TableView2 in one cell of TableView1. Finally I have to access the values of text box from the inner TableView2 in the TableView1.
I am new to iPhone development. In short I have to add a tableview to the cell of another tableview. I don't know whether this is possible. If it is, would someone please provide me some link or code to do it.
This is not look good design. You can also use two text field in same cell and make it more in height also make a horizontal separator. also if you have only two textfields then make them global and declared as property.And add in a particular cell.
Read some tutorial for making custom cells and give some time to learning these tutorials.
See this link and by googling you can easily find more on this topic.
Yes, you can do. Of course, It is not good practice to do like this. Still you want then here is the trick to do that.
Create Two ViewController and inherit them using UITableviewController say ViewController1 and ViewController2.
Now in cell of Tableview1 add ViewController2 object. So Tableview2 would in Tableview1's cell. Now you need to handle inner tableview delegate & Datasource in Viewcontroller2. So you don't need to do lots of if.. else in same view controller.
Now you can take two textfield in Viewcontroller2.h file and assign cell's textField to that in cellForrowIndexPath method. So you can access both the textfield any time you want.
I know my answer is bit confusing but ask me any question if you have.
I was working with the grouped table view , and i wanted different controls for every row i.e switch control for 1st,radio button for 2nd ,checkbox for 3rd and so on.. how can this be implemented programmatically that is without using interface builder
thanks in advance
CharlieMezak said is right, you need to create in UIControls directly in cellForRowAtIndexPath , and add as subviews to contentView of the cell
For reference see the link below
http://www.e-string.com/content/custom-uitableviewcells-interface-builder
the link specifies the code to create cells programmatically as well as using IB.
Table View Programming Guide for iOS
Read the programing guide, and remember to use different CellIdentifier for each type of cell.
This is a pretty vague question.
Obviously you need to provide the cells to the tableview in its cellForRowAtIndexPath delegate/datasource method. So, either in that method or during the initialization of your view controller, build the UITableViewCell instances that you need, adding the various controls that you want to them as subviews and connecting the controls to your view controller so you can detect when they have been changed. Then just return the appropriate cell in the cellForRowAtIndexPath method.
Personally, I think it's a lot easier to use IB in cases like this. Just create an IBOutlet instance variable for each custom cell you want, and return the right cell in cellForRowAtIndexPath.
I would like to do pretty much what the Mail Application does: that when I select Edit, instead of the usual Delete Button, Radio Buttons appear on the side that may be checked by the user, then the user may click on a Button to take an action on the marked cells(any kind of action not just delete). Is there any apple sample code that does this?, can anyone please provide some code or documentation on how to do this?. Thank you.
-Oscar
I haven't done this so all of the following comes straight from the documentation. This is how I would do it:
Overwrite your view controller's setEditing:animated: method to display one or more buttons to execute your batch action (just like Mail.app does) when the table goes into editing mode.
Use a custom UITableViewCell subclass for your cells.
The key is to overwrite willTransitionToState: in your custom cell class. In this method, add a custom subview containing your radio button to the cell.
Overwrite layoutSubviews to position the radio button and the rest of the cell's content in the cell.
In tableView:didSelectRowAtIndexPath:, differentiate between the normal and editing states. If the table is in editing mode and the user taps a cell, mark it as selected (modify your radio button subview accordingly) and keep a record of all marked cells.
Here is a good article about doing a Mail-style multiple selection:
http://cocoawithlove.com/2009/01/multiple-row-selection-and-editing-in.html
I've an application in which each row contains an uiimageview and an uibutton. I have created them using custom cells, uitableviewcells. The button is to trigger the method, uiimagepickercontroller to pick an image from the library and show it in the imageview. I need that any user who uses the application can rearrange the rows as they wish so that they decide the order of the photos. code here
Reordering of rows in a tableview is pretty straightforward, you just need to implement a few methods of the UITableViewDataSource Protocol and your good to go. Have a look at the Table View Programming Guide for info & code.
http://developer.apple.com/iphone/library/documentation/UserExperience/Conceptual/TableView_iPhone/ManageReorderRow/ManageReorderRow.html
You could show an Edit button in the navigation bar if your using a navigation controller, which switches the table view to edit mode, causing the reordering control to be shown. This edit button could be changed to done, once the table is in edit mode of course. Don't forget to set the showsReorderControl property of the cell to YES. From then on, it's just a matter of implementing the right methods.
I have a complex settings style table where individual cells represent different aspects of a data model class. Users can click into a cell and edit individual attributes, such as say if I have a user class, a name, date of birth, etc. My question is, do I need to have an instance of UITextField for each unique cell? Can I just create one subclass of UITableViewCell, set up a delegate, and determine where it is from there?
What's the best approach?
I would recommend creating a subclass of a UITableViewCell. You could do this either purely programaticaly, or if you have an aversion to CGRect's (or want to be able to drag and drop your layout around) with a combination of a XIB and a custom class file.
The Subclass would then contain the UITextFiled's you need, and can also have a delegate or datasource that you can use to point it to your data model object.
It's better to have the UITableViewController you are using act as the text view delegate for each cell - make sure you are re-using cells and when you create them or reuse them attach your class as the delegate for the UITextViews you have via a custom UITableViewCell class with accessors to get to the UITextViews.
If you set cell classes as text delegates you may run into issues if the user scrolls a table view cell off screen with the keyboard up.