base on The #1 open-source Android GNSS/GPS test program # <img src="/icons/ic_launcher-playstore.png" width="50"/> GPSTest [](https://github.com/barbeau/gpstest/actions/workflows/android.yml) [](https://github.com/barbeau/gpstest/issues) [](https://twitter.com/sjbarbeau) [](/LICENSE) The #1 open-source global navigation satellite system (GNSS) testing app. ## Install [<img src="https://play.google.com/intl/en_us/badges/images/generic/en-play-badge.png" alt="Get it on Google Play" height="80">](https://play.google.com/store/apps/details?id=com.android.gpstest) [<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png" alt="Get it on F-Droid" height="80">](https://f-droid.org/packages/com.android.gpstest.osmdroid/) ## Features It supports dual-frequency¹ GNSS for: * GPS (USA Navstar) * GLONASS (Russia) * QZSS (Japan) * BeiDou/COMPASS (China) * Galileo (European Union) * IRNSS/NavIC (India) * Various satellite-based augmentation systems (SBAS): * Wide Area Augmentation System (WAAS) (USA) * European Geostationary Navigation Overlay Service (EGNOS) (European Union) * GPS-aided GEO augmented navigation (GAGAN) (India) * Multi-functional Satellite Augmentation System (MSAS) (Japan) * System for Differential Corrections and Monitoring (SDCM) (Russia) * Satellite Navigation Augmentation System (SNAS) (China) * Soluciόn de Aumentaciόn para Caribe, Centro y Sudamérica (SACCSA) (ICAO) * Southern Positioning Augmentation Network (SouthPAN) (Australia / New Zealand) ¹*Dual-frequency GNSS requires device hardware support and Android 8.0 Oreo or higher. See [Dual-frequency GNSS on Android](https://medium.com/@sjbarbeau/dual-frequency-gnss-on-android-devices-152b8826e1c) for more details.* </details> ## Screenshots <img src="/fastlane/metadata/android/en-US/images/phoneScreenshots/1.png" height="500"> <img src="/fastlane/metadata/android/en-US/images/phoneScreenshots/2.png" height="500"> <img src="/fastlane/metadata/android/en-US/images/phoneScreenshots/3.png" height="500"> <details> <summary>More screenshots</summary> <img src="/fastlane/metadata/android/en-US/images/phoneScreenshots/4.jpg" height="500"> <img src="/fastlane/metadata/android/en-US/images/phoneScreenshots/5.png" height="500"> <img src="/fastlane/metadata/android/en-US/images/phoneScreenshots/6.jpg" height="500"> <img src="/fastlane/metadata/android/en-US/images/phoneScreenshots/7.png" height="500"> <img src="/fastlane/metadata/android/en-US/images/phoneScreenshots/8.jpg" height="500"> </details> ## Contributing I welcome contributions to the project! Please see the [Contributing Guide](.github/CONTRIBUTING.md) for details, including Code Style Guidelines and Template. - Don't know where to start? Take a look at the issues marked with the [your-first-pr](https://github.com/barbeau/gpstest/labels/your-first-pr) label and comment to let me know if you're interested in working on it. - Beta testing: Get early access to new GPSTest versions, and help us squash bugs! See the [Testing Guide](BETA_TESTING.md) for details. - Translating: Want to improve existing translations, or add a new translation? Translate on [Transifex](https://www.transifex.com/sean-barbeau/gpstest-android/dashboard/) or see the [Translations](/TRANSLATIONS.md) documentation. ## FAQ Questions? Check out the [FAQ](FAQ.md), the [Slack group](https://gpstest-android.herokuapp.com/), and [Google Group](https://groups.google.com/forum/#!forum/gpstest_android). - Crowdsourcing GNSS data: Interested in better understanding the state of GNSS feature support on Android devices? See the article [*Crowdsourcing GNSS features of Android devices*](https://barbeau.medium.com/crowdsourcing-gnss-capabilities-of-android-devices-d4228645cf25). - Accuracy: Measuring your device GNSS accuracy? Check out the [Measuring Accuracy using GPSTest](ACCURACY.md) page, as well as the corresponding article [*Measuring GNSS accuracy on Android devices*](https://medium.com/@sjbarbeau/measuring-gnss-accuracy-on-android-devices-6824492a1389). - Data Output and Logging: Want to know how to output GNSS data to the system log for further analysis? Check out the [Data Output and Logging](LOGGING.md) page. - Building the project: You can open and build this project using [Android Studio](https://developer.android.com/studio). For more details, see the [Build documentation](BUILD.MD). ## Trusted by industry experts Notable appearances of GPSTest: * Xiaomi - [*Xiaomi Redmi Note 9 Pro Max launch*](https://youtu.be/Y_5cfCZBOV4?t=3035), March 12, 2020. * European Union Global Navigation Satellite Systems Agency (GSA) - [*Test your Android device’s satellite navigation performance*](https://www.euspa.europa.eu/newsroom-events/news-archive/test-your-android-devices-satellite-navigation-performance), August 21, 2018. ", Assign "at most 3 tags" to the expected json: {"id":"13385","tags":[]} "only from the tags list I provide: [{"id":77,"name":"3d"},{"id":89,"name":"agent"},{"id":17,"name":"ai"},{"id":54,"name":"algorithm"},{"id":24,"name":"api"},{"id":44,"name":"authentication"},{"id":3,"name":"aws"},{"id":27,"name":"backend"},{"id":60,"name":"benchmark"},{"id":72,"name":"best-practices"},{"id":39,"name":"bitcoin"},{"id":37,"name":"blockchain"},{"id":1,"name":"blog"},{"id":45,"name":"bundler"},{"id":58,"name":"cache"},{"id":21,"name":"chat"},{"id":49,"name":"cicd"},{"id":4,"name":"cli"},{"id":64,"name":"cloud-native"},{"id":48,"name":"cms"},{"id":61,"name":"compiler"},{"id":68,"name":"containerization"},{"id":92,"name":"crm"},{"id":34,"name":"data"},{"id":47,"name":"database"},{"id":8,"name":"declarative-gui "},{"id":9,"name":"deploy-tool"},{"id":53,"name":"desktop-app"},{"id":6,"name":"dev-exp-lib"},{"id":59,"name":"dev-tool"},{"id":13,"name":"ecommerce"},{"id":26,"name":"editor"},{"id":66,"name":"emulator"},{"id":62,"name":"filesystem"},{"id":80,"name":"finance"},{"id":15,"name":"firmware"},{"id":73,"name":"for-fun"},{"id":2,"name":"framework"},{"id":11,"name":"frontend"},{"id":22,"name":"game"},{"id":81,"name":"game-engine "},{"id":23,"name":"graphql"},{"id":84,"name":"gui"},{"id":91,"name":"http"},{"id":5,"name":"http-client"},{"id":51,"name":"iac"},{"id":30,"name":"ide"},{"id":78,"name":"iot"},{"id":40,"name":"json"},{"id":83,"name":"julian"},{"id":38,"name":"k8s"},{"id":31,"name":"language"},{"id":10,"name":"learning-resource"},{"id":33,"name":"lib"},{"id":41,"name":"linter"},{"id":28,"name":"lms"},{"id":16,"name":"logging"},{"id":76,"name":"low-code"},{"id":90,"name":"message-queue"},{"id":42,"name":"mobile-app"},{"id":18,"name":"monitoring"},{"id":36,"name":"networking"},{"id":7,"name":"node-version"},{"id":55,"name":"nosql"},{"id":57,"name":"observability"},{"id":46,"name":"orm"},{"id":52,"name":"os"},{"id":14,"name":"parser"},{"id":74,"name":"react"},{"id":82,"name":"real-time"},{"id":56,"name":"robot"},{"id":65,"name":"runtime"},{"id":32,"name":"sdk"},{"id":71,"name":"search"},{"id":63,"name":"secrets"},{"id":25,"name":"security"},{"id":85,"name":"server"},{"id":86,"name":"serverless"},{"id":70,"name":"storage"},{"id":75,"name":"system-design"},{"id":79,"name":"terminal"},{"id":29,"name":"testing"},{"id":12,"name":"ui"},{"id":50,"name":"ux"},{"id":88,"name":"video"},{"id":20,"name":"web-app"},{"id":35,"name":"web-server"},{"id":43,"name":"webassembly"},{"id":69,"name":"workflow"},{"id":87,"name":"yaml"}]" returns me the "expected json"