Build a data visualization app for your phone

on YouTube ↗32m

" summary

Claims that a full data‑visualization phone app runs from a single pure‑Python codebase using NumPy and Matplotlib, and shows a working demo that generates 1,000 random samples, draws a 50‑bin histogram, and updates live via two sliders and a button. It uses briefcase + toga (and toga‑chart) to create, build, and run iOS and Android builds (simulator and Android emulator, USB device deploy possible). Notes limitations: binary wheels and compiled deps can be missing and app bundles face a 512 megabytes limit.

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" chapters (16)

1. 0:00Introduction
2. 2:28Beeware tools
3. 4:11Planning the app
4. 6:57Bootstrap with Briefcase
5. 11:11Building the app’s user interface with Toga
6. 15:01Data visualization
7. 16:26Testing the app in development mode
8. 17:49Deploy to iOS
9. 21:22Deploy to Android
10. 22:24Iterate and update
11. 23:07Desktop deployment
12. 24:51Third-party packages
13. 26:13Mobile device features
14. 27:16Python on mobile
15. 28:39Support Beeware
16. 29:28Q&A

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