mckero 544515feba fix(cw): restore app label, fix R8 code stripping, force 32-bit ABI
Three release-breaking issues found in the v4.5.0 APK (app crashed on
launch, label showed "Morse Expert", dex shrank to 282KB vs 3.5MB):
1. app_name: the ported app_values.xml shipped a "Morse Expert"
   app_name string which overrode Look4Sat Pro's label during resource
   merging - removed (no other string collisions).
2. R8 stripped nearly all code: the in-app sun.misc.Unsafe/Cleaner
   stubs clashed with android.jar library classes. Moved stubs to
   com.rtbishop.look4sat.feature.cw.suncompat and updated k3.d/s/r
   imports (k3.r keeps the reflective Class.forName("sun.misc.Unsafe")
   string, which returns null on Android hidden-API limits).
3. proguard-rules.pro added (AGP 9 variant-level
   CanProduceConsumerProguardFiles): keep pas.** (JNI RegisterNatives
   resolves by class name) plus all ported CW classes.
4. app-level ndk abiFilters forced to armeabi-v7a: the ported
   libnativedecoderjni.so is v7a-only, so a multi-ABI APK would crash
   with UnsatisfiedLinkError on arm64 devices.

Verified: :feature:cw:compileDebugKotlin BUILD SUCCESSFUL.
2026-08-04 04:56:41 +00:00

Look4Sat: Satellite tracker

Look4Sat CI

Get it on Google Play Get it on F-Droid

Radio satellite tracker and pass predictor for Android, inspired by Gpredict

Track satellite passes with ease!

Thanks to Celestrak and SatNOGS you have access to over 9000 active satellites.
You can search the entire database by NORAD Catalog Number or the satellite's name.

Orbital positions and passes are calculated relative to your location.
To get reliable data make sure to set the station position via the app Settings.

The application is built using Kotlin, Coroutines, Jetpack Compose and Navigation.
It is now and always will be completely ad-free and open-source.

Main features:

  • Predicting satellite positions and passes for up to 10 days
  • Showing the list of currently active and upcoming satellite passes
  • Showing the active pass progress, polar trajectory and transceivers info
  • Showing the satellite positional data, footprint and ground track on the map
  • Custom TLE satellite data import is available via Three Line Element .txt files
  • Offline first: calculations are made offline. Weekly TLE data update is recommended.

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Readme GPL-3.0
54 MiB
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Kotlin 80.2%
Java 19.8%