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Code Releases Wiki Activity

Bangle.js: Activity tracks analytics

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Ganblejs 2023-11-06 01:33:43 +01:00 committed by José Rebelo
parent 70b9911153
commit 6d82980cc3
1 changed files with 88 additions and 9 deletions
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97
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
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@ -798,29 +798,108 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
LOG.info("storedLogObject:\n" + storedLogObject);
// Calculate and store analytical data (distance, speed, cadence, etc.)
JSONObject analyticalDataObject = new JSONObject();
// Calculate and store analytical data (distance, speed, cadence, etc.).
JSONObject analyticsObject = new JSONObject();
JSONArray calculationsArray = new JSONArray();
// Add elapsed time since first reading (seconds).
valueArray = storedLogObject.getJSONArray("Time");
for (int i = 0; i < valueArray.length(); i++) {
calculationsArray.put(valueArray.getDouble(i)-valueArray.getDouble(0));
}
analyticsObject.put("Elapsed Time", calculationsArray);
valueArray = new JSONArray();
calculationsArray = new JSONArray();
JSONArray valueArray2 = new JSONArray();
JSONArray calculatedArray = new JSONArray();
// Add analytics based on GPS coordinates.
if (storedLogObject.has("Latitude")) {
// Add distance between last and current reading.
valueArray = storedLogObject.getJSONArray("Latitude");
valueArray2 = storedLogObject.getJSONArray("Longitude");
for (int i = 0; i < valueArray.length(); i++) {
if (i==0) {
calculatedArray.put("0");
if (i == 0) {
calculationsArray.put("0");
} else {
String distance = distanceFromCoordinatePairs(
(String) valueArray.get(i-1),
(String) valueArray2.get(i-1),
(String) valueArray.get(i - 1),
(String) valueArray2.get(i - 1),
(String) valueArray.get(i),
(String) valueArray2.get(i)
);
calculatedArray.put(distance);
calculationsArray.put(distance);
}
}
analyticsObject.put("Intermediate Distance", calculationsArray);
valueArray = new JSONArray();
valueArray2 = new JSONArray();
calculatedArray = new JSONArray();
calculationsArray = new JSONArray();
} else if (storedLogObject.has("Steps")) {
for (int i = 0; i < storedLogObject.getJSONArray("Steps").length(); i++) {
if (i==0) {
calculationsArray.put(0);
} else {
double stride = 0.85; // FIXME: Depend on user defined stride length?
double calculation = stride * (storedLogObject.getJSONArray("Steps").getDouble(i));
if (calculation == 0) calculation = 0.001; // To avoid potential division by zero later on.
calculationsArray.put(calculation);
}
}
analyticsObject.put("Intermediate Distance", calculationsArray);
calculationsArray = new JSONArray();
}
if (analyticsObject.has("Intermediate Distance")) {
// Add total distance from start of activity up to each reading.
for (int i = 0; i < analyticsObject.getJSONArray("Intermediate Distance").length(); i++) {
if (i==0) {
calculationsArray.put(0);
} else {
double calculation = calculationsArray.getDouble(i-1) + analyticsObject.getJSONArray("Intermediate Distance").getDouble(i);
calculationsArray.put(calculation);
}
}
analyticsObject.put("Total Distance", calculationsArray);
calculationsArray = new JSONArray();
// Add average speed between last and current reading (m/s).
for (int i = 0; i < analyticsObject.getJSONArray("Intermediate Distance").length(); i++) {
if (i==0) {
calculationsArray.put(0);
} else {
double calculation =
analyticsObject.getJSONArray("Intermediate Distance").getDouble(i) /
(analyticsObject.getJSONArray("Elapsed Time").getDouble(i) -
analyticsObject.getJSONArray("Elapsed Time").getDouble(i-1)
)
;
calculationsArray.put(calculation);
}
}
analyticsObject.put("Speed", calculationsArray);
calculationsArray = new JSONArray();
// Add average pace between last and current reading (s/km). (Was gonna do this as min/km but summary seem to expect s/km).
for (int i = 0; i < analyticsObject.getJSONArray("Speed").length(); i++) {
if (i==0) {
calculationsArray.put(0);
} else {
double calculation = (1000.0) * 1/analyticsObject.getJSONArray("Speed").getDouble(i);
calculationsArray.put(calculation);
}
}
analyticsObject.put("Pace", calculationsArray);
calculationsArray = new JSONArray();
}