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● content and resources about iOS & macOS programming ●

  • Input Accessory View (How to add extra controls above keyboard)

    When building iPhone applications that support or provide text input, it’s often necessary to create some extra buttons (or other controls) beyond the ones provided by the default keyboard interface. Those buttons should be created for specific operations needed by your application, such as moving to the next or previous text field, make the keyboard…

  • UIPickerView – Add it programmatically

    It is often needed to give the user the ability to choose among various options when creating an application. In that case, the UIPickerView it’s a nice (and many times the best) choice to do that. The UIPickerView can be easily created using the Interface Builder, but unfortunately Apple doesn’t allow us to change its…