tauclock

A clock for camping on planet earth

tauclock_0_40.apk

You can read all about it in the tauclock primer
(best on desktop, or see the older primer for mobile devices at the older tauclock primer

=== CHANGELOG ===

v0.40 (tauclock_0_40.apk)
- fixed rotation bug in earth mode

v0.39 (tauclock_0_39.apk)
- higher resolution moon
- 2 additional views, top center button cycles through them
- ACCURATE moon drawing

v0.38 (tauclock_0_38.apk)
- higher contrast, bigger moon
- improved drawing for some overlap cases
- fixed bugs with eclipse calculation
- new font drawing engine

v0.37 (tauclock_0_37.apk)
- moved planet and moon rise/transit/set inside dial
- made moon/planet bands thicker
- made light/twilight/dark bands thicker
- changed button text to emojis
- increased size of some fonts
- new text engine avoids overlapping text
- improved corner text
- photorealistic moon
- change moon orientation based on observer position

v0.36 (tauclock_0_36.apk)
- bright limb angle now in moon display
- added keepScreenOn for wallclock use case

v0.35 (tauclock_0_35.apk)
- solar eclipse display

v0.34 (tauclock_0_34.apk)
- lunar eclipse display bugfixes
- image stabilization bugfixes

v0.33 (tauclock_0_33.apk)
- fixed bug w/ outer planet rise/transit/set times
- rudimentary eclipse handling

v0.32 (tauclock_0_32.apk)
- fixed localization problems on Android
- made some text larger for readability
- truncate displayed lat/lon at 2 decimal places
- fixed bug with duration display near poles
- fixed bug with circumpolar object symbols

v0.31 (tauclock_0_31.apk)
- optimized globe drawing in manual location mode

v0.30 (tauclock_0_30.apk)
- replaced math trig library with optimized code
- replaced libnova astronomy library with optimized code
- use system language settings for month and weekday names
- more drawing optimizations and bug fixes
- known issues with month/weekday names:
  - may not display properly for RTL languages
  - may not display properly for languages outside the Unicode BMP

v0.29 (tauclock_0_29.apk)
- more drawing optimizations

v0.28 (tauclock_0_28.apk)
- removed arc shading, revert to earlier look
- optimize arc drawing, drawing now twice as fast
- fixed moon drawing artifacts on inner ring twilight

v0.27 (tauclock_0_27.apk)
- rename "darkness" to "night" (avoid confusion with "dark")
- rename "daylight" to "sun up" (avoid confusion with "light")
- fixed longstanding text drawing bug with spaces

v0.26 (tauclock_0_26.apk)
- allow dates in YYYY-MM-DD format in "manual offset"

v0.25 (tauclock_0_25.apk)
- fix bug that prevented daylight or darkness hours from displaying
- added display of twilight hours for near-polar cases
- made times and hour durations easier to read when now hand overlaps

v0.24 (tauclock_0_24.apk)
- allow user settings to select twilights as "light" or "dark"
- modify clock outer ring color to indicate light/twilight/dark
- made clock outer ring thicker

v0.23 (tauclock_0_23.apk)
- grey out manual settings when manual provider is not selected

v0.22 (tauclock_0_22.apk)
- fixed problems on Android Go
- fixed problems on screen rotation
- fixed problems with planet arcs on small screens
- known issues: repeating alarms are poorly tested and may not function on all devices under all conditions

v0.21 (tauclock_0_21.apk)
- updated IDE to Android Studio Dolphin
- expanded the list of cities in settings manual location autocomplete
- implemented edit for alarms
- all alarms now repeat
- known issues: repeating alarms are poorly tested and may not function on all devices under all conditions

v0.20 (tauclock_0_20.apk)
- improved android alarm integration
- known issues: Android Alarm integration still sucks

v0.19 (tauclock_0_19.apk)
- improved default alarm descriptions
- fixed crashing bug on screen rotation
- updated primer for manual location autocomplete
- known issues: Android Alarm integration sucks

v0.18 (tauclock_0_18.apk)
- fixed alarm AM/PM bug that caused afternoon alarms to trigger in the morning.
- known issues: Android Alarm integration sucks

v0.17 (tauclock_0_17.apk)
- renamed alarm "offset" to "delay"
- Added autocomplete to manual location settings.
- known issues: Android Alarm integration sucks

v0.16 (tauclock_0_16.apk)
- UI buttons
- EULA on startup
- Alarms
- known issues: Android Alarm integration sucks

v0.15 (tauclock_0_15.apk)
- more performance and bug fixes

v0.14 (tauclock_0_14.apk)
- fixes embarrassing cache update bug
- adds "first point of Aries" rise and set
- daylight/darkness duration properly dodges rise/set in polar areas

v0.13 (tauclock_0_13.apk)
- last of the known planet drawing bugs fixed
- introduced body position caching to speed rendering
- changed hilight color of inner moon

v0.12 (tauclock_0_12.apk)
- omnibus bugfix for numerous drawing problems
- known issues:
  - drawing is slower than previous versions

v0.11 (tauclock_0_11.apk)
- when in "manual" offset mode, tapping left or right edge changes offset
- algorithm changes to improve accuracy and reduce CPU load
- minor graphic changw, draw now hand UNDER moon

v0.10 (tauclock_0_10.apk)
- numerous drawing tweaks
- initialize timezone engine in background
- fixed some bugs updating preference settings

v0.9 (tauclock_0_9.apk)
- fixed crashing bug on invalid manual locations
- fixed crashing bug on timezone engine fail
- fixed bug with system timezone provider when switching timezones

v0.8 (tauclock_0_8.apk)
- added "Settings" page, tap in lower right to access
- tap lower left to change timezone provider (set in settings)
- settings can also specify offset for Julian Date

v0.7 (tauclock_0_7.apk)
- fixed gimble lock problems
- in "manual" mode, globe can be rotated with two fingers
- changed planet colors for visibility
- known issues:
  - no way (yet) to change time zone from system time zone

v0.6 (tauclock_0_6.apk)
- fixed problems on android 8 & 9
- made cross in manual mode more visible
- added symbols for circumpolar planets
- known issues:
  - no way (yet) to change time zone from system time zone

v0.5 (tauclock_0_5.apk)
- select location provider by tapping in upper left
- for manual location:
  - select "manual" in upper left
  - press and hold anywhere on dial
  - drag earth to place center cross on desired position
  - release
- known issues:
  - for circumpolar planets above horizon, symbols are not drawn
  - no way (yet) to change time zone from system time zone

v0.4 (tauclock4.apk)
- better handling on devices w/o gps
- added dithering to twilight edges
- changed signing key, previous key lost