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Internal Testing Of The Hlkradartools Android App, Fixing A Crash Caused By The German Language Environment.
Internal Testing Of The Hlkradartools Android App, Fixing A Crash Caused By The German Language Environment.
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Internal Testing Of The Hlkradartools Android App, Fixing A Crash Caused By The German Language Environment.

Created time
Jul 12, 2025 1:06 PM

Thanks to a discovery and feedback from @LaneaLucy in the general reddit community, we were fortunate enough to work with hlk's developers to discover a cause of the German-language Android app's crashes (mainly caused by the localized German decimal point being a comma)

Description of the crash:

  • Clicking on the LD2450 device in the device list then produces a crash.
  • A similar error can be found in the crash log:
  • 11-15 13:26:27.680 7581 7581 E AndroidRuntime: Caused by: java.lang.NumberFormatException: For input string:"-12,59"

The current apk version with the temporary patch ,It should be released to the official version soon:

HLKRadarTool

HLKRadarTool - Your Ultimate Radar Debugging Companion! Are you tired of struggling with radar module issues? Say goodbye to endless troubleshooting

www.pgyer.com

HLKRadarTool

If it works well, we need to thank LaneaLucy for her ingenuity and hlk app dev team:

2A LD2450 new firmware update V2.04.23101915, you can keep multiplayer mode!

This is our attempt at a reddit hub for users of some of our DIY products, as well as being able to provide some user support.

www.reddit.com

If your Android version also crashes and is also located in Europe, try this version.

Including the following regions may help:

  • France
  • Germany
  • Italy
  • Spain
  • Portugal
  • Netherlands
  • Greece
  • Greece
  • Sweden
  • Sweden
  • Sweden
  • Denmark Norway
  • Austria
  • Austria
  • Hungary
  • Czech Republic
  • Slovakia
  • Poland
  • Slovakia
  • Slovenia
  • Bosnia and Herzegovina
  • Bosnia and Herzegovina
  • Albania
  • North Macedonia
  • Serbia and Montenegro
  • Turkey
  • Israel
  • Russia
  • Ukraine
  • Belarus
  • Moldova
  • Kazakhstan
  • Uzbekistan
  • Tajikistan
  • Turkmenistan
  • Kyrgyzstan
  • Azerbaijan
  • Armenia