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Code Releases Wiki Activity

Add explanation to OpenTracksController

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This commit is contained in:
Arjan Schrijver 2022-02-23 14:08:26 +01:00
parent 3450e5d5e7
commit 8d152bec22
1 changed files with 23 additions and 1 deletions
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app/src/main/java/nodomain/freeyourgadget/gadgetbridge/externalevents/OpenTracksController.java
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@ -34,6 +34,28 @@ import nodomain.freeyourgadget.gadgetbridge.util.GB;
import nodomain.freeyourgadget.gadgetbridge.util.Prefs;
public class OpenTracksController extends Activity {
/*
* A short explanation of how this integration with OpenTracks works:
* Starting the recording from a device requires calling `startRecording()`
* on this class. For a simple example, check out the implementation in
* `WorkoutRequestHandler`, used by the Fossil HR series.
* The OpenTracks class can be set in the Gadgetbridge settings and depends
* on the installation source used for OpenTracks. Details can be found in
* their documentation here: https://github.com/OpenTracksApp/OpenTracks#api
* `startRecording()` sends an explicit Intent to OpenTracks signalling it
* to start recording. It passes along the package name and class name of
* our `OpenTracksController` which OpenTracks will use to send the
* statistics URIs to. After starting the recording service, OpenTracks
* uses a new explicit Intent to start our `OpenTracksController` and passes
* along the URIs and the read permissions for those URIs (using
* `Intent.FLAG_GRANT_READ_URI_PERMISSION`). So at that point
* `OpenTracksController` is started as a new `Activity` (or `Context`)
* which has the read permissions for the statistics URIs. The controller
* saves its `Context` into the `OpenTracksContentObserver` in the GB main
* process, so it can keep running and read the statistics with the correct
* `Context`. So, whatever class, device or activity calls the methods on
* the `OpenTracksContentObserver` from, it will always work.
*/
private static final String EXTRAS_PROTOCOL_VERSION = "PROTOCOL_VERSION";
private static final String ACTION_DASHBOARD = "Intent.OpenTracks-Dashboard";
private static final String ACTION_DASHBOARD_PAYLOAD = ACTION_DASHBOARD + ".Payload";
@ -91,4 +113,4 @@ public class OpenTracksController extends Activity {
}
GBApplication.app().setOpenTracksObserver(null);
}
}
}