Add GPL-3.0 LICENSE, port update checker from android-app-template

LICENSE: verbatim copy of android-app-template's (official SPDX text,
not retyped) — GPL-3.0 as previously decided.

Update checker: check_latest_release()/download_and_install()/
MessagePopup ported from the template, wired to a new "Check for
Updates" button next to Settings. Requires certifi added to
p4a-recipes/kivy's python_depends (HTTPS on Android needs an explicit
CA bundle) and INTERNET/REQUEST_INSTALL_PACKAGES added to
buildozer.spec. FORGEJO_TOKEN at the top of main.py ships blank —
update checking is inert until it's set to a repo-scoped read-only
token. download_and_install() is the standard p4a pattern but not yet
verified on real hardware, same caveat as the template it came from.

Dropped the previously-agreed config.json split (event list vs. data
path) — decided it's not needed after all.
This commit is contained in:
AI_Assistant 2026-08-22 13:31:03 +00:00
commit d7e5569dda
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5 changed files with 499 additions and 40 deletions

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@ -5,13 +5,26 @@
# release ships an Android-tagged wheel that p4a's own install step
# can't actually install.
#
# 'filetype' is kept — it's NOT part of that broken chain (zero deps of
# its own, no requests/charset-normalizer involved) and it's a genuine
# runtime dependency: kivy/core/image/__init__.py imports it directly
# for image format sniffing, unlike the other five which are only for
# kivy.network.UrlRequest (which this app never calls). Confirmed the
# hard way — dropping it too caused a startup crash on-device:
# ModuleNotFoundError: No module named 'filetype'
# 'filetype' and 'certifi' are kept — neither is part of that broken
# chain (both pure Python, zero deps of their own, no requests/
# charset-normalizer involved):
# - filetype: kivy/core/image/__init__.py imports it directly for
# image format sniffing. Confirmed the hard way — dropping it too
# caused a startup crash on-device: ModuleNotFoundError: No module
# named 'filetype'.
# - certifi: main.py's update checker needs it for HTTPS on Android
# (see the comment on check_latest_release() in main.py) — the
# desktop-facing v1 of this app never made a network call, so it
# never needed this until the update checker was ported over.
# The remaining three (chardet, idna, requests, urllib3 minus what's
# listed above) are only for kivy.network.UrlRequest, which this app
# still never calls — reminder: editing python_depends here alone isn't
# enough for the change to take effect on an existing build. p4a caches
# the built dist by name+recipe-list and won't re-derive python_depends
# for a dist that already exists — delete
# .buildozer/android/platform/build-<arch>/dists/<package.name> after
# any python_depends change or the fix will silently not apply. See
# CLAUDE.md for the full trace of that gotcha.
from os.path import join
import sys
import packaging.version
@ -48,7 +61,7 @@ class KivyRecipe(PyProjectRecipe):
name = 'kivy'
depends = [('sdl2', 'sdl3'), 'pyjnius', 'setuptools', 'android']
python_depends = ['filetype'] # upstream also had: 'certifi', 'chardet', 'idna', 'requests', 'urllib3' — unused, see buildozer.spec
python_depends = ['filetype', 'certifi'] # upstream also had: 'chardet', 'idna', 'requests', 'urllib3' — unused, see buildozer.spec
hostpython_prerequisites = ["cython>=0.29.1,<=3.0.12"]
# sdl-gl-swapwindow-nogil.patch is needed to avoid a deadlock.