macOS Cocoa License Key Control

Configurable in IB and via code

• Number of license segments
• Number of characters in a segment
• Placeholder character
• (Optional) Highlighting if the licence key is invalid

Usage

Read-only

Objective-C

[DSFLicenseKeyControlView createWithName:@"Eight by Three License Key"
                            segmentCount:3
                             segmentSize:8
                                     key:@"ABCDEFGH-IJKLMNOP-QRSTUVWX"];

Swift

DSFLicenseKeyControlView.create(withName: "Eight by Three License Key",
                                segmentCount: 3,
                                segmentSize: 8,
                                key: "ABCDEFGH-IJKLMNOP-QRSTUVWX")

Mutable (editable)

Objective-C

[DSFMutableLicenseKeyControlView createMutableWithName:@"Four by Six License Key"
                                          segmentCount:4
                                           segmentSize:6
                                                   key:@"123456-ABCDEF-CATDOG-NOODLE"];

Swift

 DSFMutableLicenseKeyControlView.createMutable(withName: "Four by Six License Key",
                                               segmentCount: 4,
                                               segmentSize: 6,
                                               key: "123456-ABCDEF-CATDOG-NOODLE")

Integration with Interface Builder

These provide interface builder inspectables, so that you can :-

1. Configure your license key field within IB
2. Preview your license key directly in your view

Preview your license key

Use Interface Builder to build your views live

Keyboard navigation

• Tab between the fields in your license key
• When a field is filled, moves automatically to the next field

Paste support

You can copy and paste your license key into a field, and if the copied key matches the settings, will properly fill the fields

Voiceover support

Comes with Voiceover support out-of-the-box, meaning that your visually impaired users can use your app straight away.

Acknowlegements

Uses RSVerticallyCenteredTextFieldCell by Daniel Jalkut of Red Sweater Software