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Your First Mac App

⏱️ 15 minutes Let’s build a Mac app! This tutorial walks you through creating a native macOS application with Nativeline. Unlike iPhone and iPad apps, your Mac app runs directly on your machine — no simulator needed.

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What You’ll Build

A simple clipboard manager that:
  • Tracks your copy history automatically
  • Lets you search through previous items
  • Makes it easy to re-copy anything from your history
Simple, but you’ll learn the key patterns that make Mac apps feel native.

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Step 1: Create a New App

Open Nativeline. On the Home Page, select Mac from the platform selector. You’ll see:
“Tell me about the app you’re imagining…”
Type your app description: 
A clipboard manager that tracks my copy history and lets me search and re-copy previous items
Click Create or press Enter.
Mac apps have different UI patterns than iPhone apps — menu bars, keyboard shortcuts, and window management are all native. Nativeline handles these automatically.

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Step 2: Complete the Wizard

Nativeline’s wizard helps customize your app with a few quick questions:

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What feel do you want?

Choose Dark & minimal — this fits the utility-app vibe of a clipboard manager.

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Similar apps?

You can skip this or type “like Paste or Maccy” for inspiration.

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Pick colors

Choose Monochrome or any palette you like. Dark palettes work great for utility apps.

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Name your app

Enter: ClipManager Click Create App to continue.

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Step 3: Watch It Build

Nativeline now creates your app:
  1. Setting up the project — Creating the Xcode structure
  2. Writing the code — Generating Swift/SwiftUI
  3. Building — Compiling everything
This takes 30-60 seconds. You’ll see a progress animation.
Mac apps run natively on your Mac — no simulator needed. After building, the app opens in its own window.

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Step 4: Explore Your Workspace

Once complete, you’ll see the main workspace:

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Chat Interface (Full Width)

Your Nativeline workspace shows the chat interface at full width — there’s no embedded simulator pane for Mac apps.
  • Your messages — What you ask for
  • AI responses — What the AI is doing
  • Tool cards — Files being created/edited
  • Todo list — Current tasks

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Your Mac App (Separate Window)

Your clipboard manager runs in its own native macOS window. Switch to it using the Dock, Mission Control, or Cmd+Tab. Try copying some text from different apps and watch the clipboard history populate!

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Step 5: Make Your First Change

Let’s customize the app. In the chat, type: 
Add a search bar at the top to filter clipboard history by content
Watch the AI:
  1. Plan the change
  2. Edit the code
  3. Rebuild the app
  4. Show the result
Your clipboard manager now has search functionality!

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Step 6: Add a Feature

Let’s add a native Mac feature. Type: 
Add keyboard shortcut Cmd+Shift+V to show the clipboard history window
The AI will:
  1. Register the global keyboard shortcut
  2. Wire it up to show the window
  3. Handle focus and activation
Test it — press Cmd+Shift+V from any app and your clipboard history should appear.

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Step 7: Polish the Design

Let’s make it look great. Type: 
Add category tags for links, text, and images. Add a pin feature to keep important items at the top.
Now you have a polished clipboard manager with organization features!

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Experiment Further

Try these prompts to explore more:
“Add a menu bar icon that shows recent clipboard items in a dropdown”
“Automatically delete clipboard items older than 7 days to keep things tidy”
“Let me mark items as favorites so they’re always easy to find”
“Package this app as a DMG so I can share it with friends”

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What You Learned

Congratulations! You just:
  • Created a native Mac app from a description
  • Used macOS-native patterns like keyboard shortcuts and window management
  • Tested your app natively on your own Mac — no simulator required
  • Added search, categories, and pinning features
  • Styled your app with a dark, minimal aesthetic
You’ve got the Mac basics down. The key difference from iPhone and iPad apps is that Mac apps run natively, support keyboard shortcuts, and use macOS-specific UI patterns like menu bars.
When you’re ready to share your Mac app, you can export it as a DMG file. See DMG Export for details.

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Common Issues

  • Check your Dock for the app icon
  • Use Cmd+Tab to find it
  • It may be behind other windows — try Mission Control (swipe up with three fingers)
  • Make sure you granted accessibility permissions when prompted
  • Check System Settings > Privacy & Security > Accessibility to verify
  • Try quitting and reopening the app
Don’t worry! Nativeline automatically:
  1. Detects the error
  2. Proposes a fix
  3. Rebuilds
If it keeps failing, describe the issue in your own words.
Be more specific in your next prompt:
  • Instead of “make it bigger” → “make the window 600x400 pixels”
  • Instead of “add a shortcut” → “add Cmd+K to open the search bar”

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Next Steps

Multi-Platform Guide

Learn to build apps that work across iPhone, iPad, and Mac

Chat Interface Guide

Master the Nativeline workspace