@Override public void onDataReceived(DataReadResult dataReadResult) { Log.d(TAG, "Received activity result"); final String DATE_FORMAT = "dd/MM"; SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT); // GoogleApiSubscription.printData(dataReadResult); List<Line> lines = new ArrayList<>(); // all lines List<PointValue> walking = new ArrayList<>(); // a single line List<PointValue> biking = new ArrayList<>(); List<PointValue> in_vehicle = new ArrayList<>(); List<AxisValue> xAxisValues = new ArrayList<>(); int x_val = 0; if (dataReadResult.getBuckets().size() > 0) { for (Bucket bucket : dataReadResult.getBuckets()) { String date = dateFormat.format(bucket.getStartTime(TimeUnit.MILLISECONDS)); DataSet dataSet = bucket.getDataSet(DataType.AGGREGATE_ACTIVITY_SUMMARY); Log.d(TAG, "New databucket with date: " + date); // Increase counter x_val = x_val + 1; // Set axis labels xAxisValues.add(new AxisValue(x_val).setLabel(date)); // Add a zero measurement point walking.add(new PointValue(x_val, 0)); biking.add(new PointValue(x_val, 0)); in_vehicle.add(new PointValue(x_val, 0)); List<DataPoint> dataPointList = dataSet.getDataPoints(); for (DataPoint dp : dataPointList) { String timestamp = dateFormat.format(dp.getTimestamp(TimeUnit.MILLISECONDS)); String activity = dp.getValue(Field.FIELD_ACTIVITY).asActivity(); int duration = dp.getValue(Field.FIELD_DURATION).asInt(); if (dp.getValue(Field.FIELD_ACTIVITY).asActivity() == "walking") { walking.set(x_val - 1, new PointValue(x_val, duration / 60000)); } else if (dp.getValue(Field.FIELD_ACTIVITY).asActivity() == "biking") { biking.set(x_val - 1, new PointValue(x_val, duration / 60000)); } else if (dp.getValue(Field.FIELD_ACTIVITY).asActivity() == "in_vehicle") { in_vehicle.set(x_val - 1, new PointValue(x_val, duration / 60000)); } Log.d( TAG, "timestamp: " + timestamp + ", activity: " + activity + ", duration: " + duration / 60000); } } Line line = new Line(walking); line.setColor(ChartUtils.COLOR_GREEN); line.setHasLines(true); line.setHasPoints(false); line.setCubic(false); lines.add(line); line = new Line(biking); line.setColor(ChartUtils.COLOR_BLUE); line.setHasLines(true); line.setHasPoints(false); line.setCubic(false); lines.add(line); line = new Line(in_vehicle); line.setColor(ChartUtils.COLOR_VIOLET); line.setHasLines(true); line.setHasPoints(false); line.setCubic(false); lines.add(line); fitnessFragment.setActivityData(xAxisValues, lines); } }