Simple starter Cocoa app ideas

2013-12-11 13:46:20 -08:00

Inspired partly by tonight’s Hour of Code, here are some index-card-sized outlines of some simple app projects you can make as someone new to Cocoa.

Text editor/word processor

  • Document-based Mac app
  • In document window: NSTextView
  • Use NSAttributedString to read/write document data
  • Document types:
    • public.plain-text
    • public.rtf
    • com.apple.rtfd
    • com.microsoft.word.doc
  • Extra credit:
    • Add a ruler (NSRulerView)

Picture viewer

  • Document-based Mac app
  • In document window: IKImageView
  • Use CGImageSource to read image (picture) & its properties
  • Document types:
    • public.png
    • public.jpeg
  • Extra credit:
    • Floating inspector panel showing the properties in an NSTableView
    • Color-correction panel (IKImageEditPanel)
    • Support folders (public.folder): display images from folder in IKImageBrowserView

PDF viewer

  • Document-based Mac app
  • In document window: PDFView
  • Use PDFDocument to read from .pdf file
  • Document types:
    • com.adobe.pdf
  • Extra credit:
    • Toolbar with zoom in/out buttons, zoom % field, page number field

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