Use x-values instead of x indices for the charts

This commit is contained in:
cpfeiffer 2016-10-03 21:06:18 +02:00
parent 558c9e4664
commit 5a2ddaaec0
8 changed files with 163 additions and 77 deletions

View File

@ -87,7 +87,6 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
}; };
private boolean mChartDirty = true; private boolean mChartDirty = true;
private AsyncTask refreshTask; private AsyncTask refreshTask;
protected XIndexLabelFormatter xIndexFormatter = new XIndexLabelFormatter();
public boolean isChartDirty() { public boolean isChartDirty() {
return mChartDirty; return mChartDirty;
@ -344,6 +343,7 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
} }
protected void configureChartDefaults(Chart<?> chart) { protected void configureChartDefaults(Chart<?> chart) {
chart.getXAxis().setValueFormatter(new TimestampValueFormatter());
chart.getDescription().setText(""); chart.getDescription().setText("");
// if enabled, the chart will always start at zero on the y-axis // if enabled, the chart will always start at zero on the y-axis
@ -355,7 +355,7 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
// enable touch gestures // enable touch gestures
chart.setTouchEnabled(true); chart.setTouchEnabled(true);
chart.getXAxis().setValueFormatter(xIndexFormatter); chart.getXAxis().setGranularity(60*5);
setupLegend(chart); setupLegend(chart);
} }
@ -408,13 +408,14 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
*/ */
protected abstract void renderCharts(); protected abstract void renderCharts();
protected DefaultChartsData refresh(GBDevice gbDevice, List<? extends ActivitySample> samples) { protected DefaultChartsData<CombinedData> refresh(GBDevice gbDevice, List<? extends ActivitySample> samples) {
Calendar cal = GregorianCalendar.getInstance(); // Calendar cal = GregorianCalendar.getInstance();
cal.clear(); // cal.clear();
Date date; int tsOffset = 0;
String dateStringFrom = ""; // Date date;
String dateStringTo = ""; // String dateStringFrom = "";
ArrayList<String> xLabels = null; // String dateStringTo = "";
// ArrayList<String> xLabels = null;
LOG.info("" + getTitle() + ": number of samples:" + samples.size()); LOG.info("" + getTitle() + ": number of samples:" + samples.size());
CombinedData combinedData; CombinedData combinedData;
@ -424,11 +425,7 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
int last_type = ActivityKind.TYPE_UNKNOWN; int last_type = ActivityKind.TYPE_UNKNOWN;
SimpleDateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy HH:mm");
SimpleDateFormat annotationDateFormat = new SimpleDateFormat("HH:mm");
int numEntries = samples.size(); int numEntries = samples.size();
xLabels = new ArrayList<>(numEntries);
List<BarEntry> activityEntries = new ArrayList<>(numEntries); List<BarEntry> activityEntries = new ArrayList<>(numEntries);
boolean hr = supportsHeartrate(gbDevice); boolean hr = supportsHeartrate(gbDevice);
List<Entry> heartrateEntries = hr ? new ArrayList<Entry>(numEntries) : null; List<Entry> heartrateEntries = hr ? new ArrayList<Entry>(numEntries) : null;
@ -438,18 +435,27 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
for (int i = 0; i < numEntries; i++) { for (int i = 0; i < numEntries; i++) {
ActivitySample sample = samples.get(i); ActivitySample sample = samples.get(i);
int type = sample.getKind(); int type = sample.getKind();
int ts;
// determine start and end dates
if (i == 0) { if (i == 0) {
cal.setTimeInMillis(sample.getTimestamp() * 1000L); // make sure it's converted to long tsOffset = sample.getTimestamp();
date = cal.getTime(); ts = 0;
dateStringFrom = dateFormat.format(date); } else {
} else if (i == samples.size() - 1) { ts = sample.getTimestamp() - tsOffset;
cal.setTimeInMillis(sample.getTimestamp() * 1000L); // same here
date = cal.getTime();
dateStringTo = dateFormat.format(date);
} }
// System.out.println(ts);
// ts = i;
// determine start and end dates
// if (i == 0) {
// cal.setTimeInMillis(ts * 1000L); // make sure it's converted to long
// date = cal.getTime();
// dateStringFrom = dateFormat.format(date);
// } else if (i == samples.size() - 1) {
// cal.setTimeInMillis(ts * 1000L); // same here
// date = cal.getTime();
// dateStringTo = dateFormat.format(date);
// }
float movement = sample.getIntensity(); float movement = sample.getIntensity();
float value = movement; float value = movement;
@ -474,23 +480,23 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
// value = ((float) movement) / movement_divisor; // value = ((float) movement) / movement_divisor;
colors.add(akActivity.color); colors.add(akActivity.color);
} }
activityEntries.add(createBarEntry(value, i)); activityEntries.add(createBarEntry(value, ts));
if (hr && isValidHeartRateValue(sample.getHeartRate())) { if (hr && isValidHeartRateValue(sample.getHeartRate())) {
if (lastHrSampleIndex > -1 && i - lastHrSampleIndex > HeartRateUtils.MAX_HR_MEASUREMENTS_GAP_MINUTES) { if (lastHrSampleIndex > -1 && ts - lastHrSampleIndex > 60*HeartRateUtils.MAX_HR_MEASUREMENTS_GAP_MINUTES) {
heartrateEntries.add(createLineEntry(0, lastHrSampleIndex + 1)); heartrateEntries.add(createLineEntry(0, lastHrSampleIndex + 1));
heartrateEntries.add(createLineEntry(0, i - 1)); heartrateEntries.add(createLineEntry(0, ts - 1));
} }
heartrateEntries.add(createLineEntry(sample.getHeartRate(), i)); heartrateEntries.add(createLineEntry(sample.getHeartRate(), ts));
lastHrSampleIndex = i; lastHrSampleIndex = ts;
} }
String xLabel = ""; String xLabel = "";
if (annotate) { if (annotate) {
cal.setTimeInMillis(sample.getTimestamp() * 1000L); // cal.setTimeInMillis((ts + tsOffset) * 1000L);
date = cal.getTime(); // date = cal.getTime();
String dateString = annotationDateFormat.format(date); // String dateString = annotationDateFormat.format(date);
xLabel = dateString; // xLabel = dateString;
// if (last_type != type) { // if (last_type != type) {
// if (isSleep(last_type) && !isSleep(type)) { // if (isSleep(last_type) && !isSleep(type)) {
// // woken up // // woken up
@ -508,9 +514,8 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
// chart.getXAxis().addLimitLine(line); // chart.getXAxis().addLimitLine(line);
// } // }
// } // }
last_type = type; // last_type = type;
} }
xLabels.add(xLabel);
} }
BarDataSet activitySet = createActivitySet(activityEntries, colors, "Activity"); BarDataSet activitySet = createActivitySet(activityEntries, colors, "Activity");
@ -520,6 +525,7 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
List<IBarDataSet> list = new ArrayList<>(); List<IBarDataSet> list = new ArrayList<>();
list.add(activitySet); list.add(activitySet);
BarData barData = new BarData(list); BarData barData = new BarData(list);
barData.setBarWidth(100f);
// barData.setGroupSpace(0); // barData.setGroupSpace(0);
combinedData.setData(barData); combinedData.setData(barData);
@ -532,11 +538,11 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
// chart.setDescription(getString(R.string.sleep_activity_date_range, dateStringFrom, dateStringTo)); // chart.setDescription(getString(R.string.sleep_activity_date_range, dateStringFrom, dateStringTo));
// chart.setDescriptionPosition(?, ?); // chart.setDescriptionPosition(?, ?);
} else { } else {
// combinedData = new CombinedData(Collections.<String>emptyList());
combinedData = new CombinedData(); combinedData = new CombinedData();
} }
return new DefaultChartsData(combinedData, xLabels); IAxisValueFormatter xValueFormatter = new SampleXLabelFormatter(tsOffset);
return new DefaultChartsData(combinedData, xValueFormatter);
} }
protected boolean isValidHeartRateValue(int value) { protected boolean isValidHeartRateValue(int value) {
@ -556,12 +562,12 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
protected abstract void setupLegend(Chart chart); protected abstract void setupLegend(Chart chart);
protected BarEntry createBarEntry(float value, int index) { protected BarEntry createBarEntry(float value, int xValue) {
return new BarEntry(index, value); return new BarEntry(xValue, value);
} }
protected Entry createLineEntry(float value, int index) { protected Entry createLineEntry(float value, int xValue) {
return new Entry(index, value); return new Entry(xValue, value);
} }
protected BarDataSet createActivitySet(List<BarEntry> values, List<Integer> colors, String label) { protected BarDataSet createActivitySet(List<BarEntry> values, List<Integer> colors, String label) {
@ -702,7 +708,15 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
} }
protected List<? extends ActivitySample> getSamples(DBHandler db, GBDevice device) { protected List<? extends ActivitySample> getSamples(DBHandler db, GBDevice device) {
return getSamples(db, device, getTSStart(), getTSEnd()); List<? extends ActivitySample> samples = getSamples(db, device, getTSStart(), getTSEnd());
// List<ActivitySample> samples2 = new ArrayList<>();
// int min = Math.min(samples.size(), 10);
// int min = Math.min(samples.size(), 10);
// for (int i = 0; i < min; i++) {
// samples2.add(samples.get(i));
// }
// return samples2;
return samples;
} }
private int getTSEnd() { private int getTSEnd() {
@ -719,10 +733,15 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
public static class DefaultChartsData<T extends ChartData<?>> extends ChartsData { public static class DefaultChartsData<T extends ChartData<?>> extends ChartsData {
private final T data; private final T data;
private IAxisValueFormatter xValueFormatter;
public DefaultChartsData(T data, ArrayList<String> xLabels) { public DefaultChartsData(T data, IAxisValueFormatter xValueFormatter) {
this.xValueFormatter = xValueFormatter;
this.data = data; this.data = data;
setxLabels(xLabels); }
public IAxisValueFormatter getXValueFormatter() {
return xValueFormatter;
} }
public T getData() { public T getData() {
@ -730,14 +749,40 @@ public abstract class AbstractChartFragment extends AbstractGBFragment {
} }
} }
protected static class XIndexLabelFormatter implements IAxisValueFormatter { protected static class SampleXLabelFormatter implements IAxisValueFormatter {
private final int tsOffset;
SimpleDateFormat annotationDateFormat = new SimpleDateFormat("HH:mm");
// SimpleDateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy HH:mm");
Calendar cal = GregorianCalendar.getInstance();
private ArrayList<String> xLabels; public SampleXLabelFormatter(int tsOffset) {
this.tsOffset = tsOffset;
public void setxLabels(ArrayList<String> xLabels) { }
this.xLabels = xLabels; // TODO: this does not work. Cannot use precomputed labels
@Override
public String getFormattedValue(float value, AxisBase axis) {
cal.clear();
int ts = (int) value;
cal.setTimeInMillis((ts + tsOffset) * 1000L);
Date date = cal.getTime();
String dateString = annotationDateFormat.format(date);
return dateString;
} }
@Override
public int getDecimalDigits() {
return 0;
}
}
protected static class PreformattedXIndexLabelFormatter implements IAxisValueFormatter {
private ArrayList<String> xLabels;
public PreformattedXIndexLabelFormatter(ArrayList<String> xLabels) {
this.xLabels = xLabels;
}
@Override @Override
public String getFormattedValue(float value, AxisBase axis) { public String getFormattedValue(float value, AxisBase axis) {
int index = (int) value; int index = (int) value;

View File

@ -71,8 +71,8 @@ public class ActivitySleepChartFragment extends AbstractChartFragment {
y.setDrawGridLines(false); y.setDrawGridLines(false);
// y.setDrawLabels(false); // y.setDrawLabels(false);
// TODO: make fixed max value optional // TODO: make fixed max value optional
y.setAxisMaxValue(1f); y.setAxisMaximum(1f);
y.setAxisMinValue(0); y.setAxisMinimum(0);
y.setDrawTopYLabelEntry(false); y.setDrawTopYLabelEntry(false);
y.setTextColor(CHART_TEXT_COLOR); y.setTextColor(CHART_TEXT_COLOR);
@ -85,8 +85,8 @@ public class ActivitySleepChartFragment extends AbstractChartFragment {
yAxisRight.setDrawLabels(true); yAxisRight.setDrawLabels(true);
yAxisRight.setDrawTopYLabelEntry(true); yAxisRight.setDrawTopYLabelEntry(true);
yAxisRight.setTextColor(CHART_TEXT_COLOR); yAxisRight.setTextColor(CHART_TEXT_COLOR);
yAxisRight.setAxisMaxValue(HeartRateUtils.MAX_HEART_RATE_VALUE); yAxisRight.setAxisMaximum(HeartRateUtils.MAX_HEART_RATE_VALUE);
yAxisRight.setAxisMinValue(HeartRateUtils.MIN_HEART_RATE_VALUE); yAxisRight.setAxisMinimum(HeartRateUtils.MIN_HEART_RATE_VALUE);
// refresh immediately instead of use refreshIfVisible(), for perceived performance // refresh immediately instead of use refreshIfVisible(), for perceived performance
refresh(); refresh();
@ -118,13 +118,14 @@ public class ActivitySleepChartFragment extends AbstractChartFragment {
DefaultChartsData dcd = (DefaultChartsData) chartsData; DefaultChartsData dcd = (DefaultChartsData) chartsData;
mChart.getLegend().setTextColor(LEGEND_TEXT_COLOR); mChart.getLegend().setTextColor(LEGEND_TEXT_COLOR);
mChart.setData(null); // workaround for https://github.com/PhilJay/MPAndroidChart/issues/2317 mChart.setData(null); // workaround for https://github.com/PhilJay/MPAndroidChart/issues/2317
xIndexFormatter.setxLabels(dcd.getXLabels()); mChart.getXAxis().setValueFormatter(dcd.getXValueFormatter());
mChart.setData(dcd.getData()); mChart.setData(dcd.getData());
} }
@Override @Override
protected void renderCharts() { protected void renderCharts() {
mChart.animateX(ANIM_TIME, Easing.EasingOption.EaseInOutQuart); mChart.animateX(ANIM_TIME, Easing.EasingOption.EaseInOutQuart);
// mChart.invalidate();
} }
@Override @Override

View File

@ -1,15 +1,4 @@
package nodomain.freeyourgadget.gadgetbridge.activities.charts; package nodomain.freeyourgadget.gadgetbridge.activities.charts;
import java.util.ArrayList;
public abstract class ChartsData { public abstract class ChartsData {
private ArrayList<String> xLabels;
public void setxLabels(ArrayList<String> xLabels) {
this.xLabels = xLabels;
}
public ArrayList<String> getXLabels() {
return xLabels;
}
} }

View File

@ -1,5 +1,6 @@
package nodomain.freeyourgadget.gadgetbridge.activities.charts; package nodomain.freeyourgadget.gadgetbridge.activities.charts;
import android.content.res.Resources;
import android.view.ViewGroup; import android.view.ViewGroup;
import java.util.Date; import java.util.Date;

View File

@ -69,6 +69,7 @@ public class LiveActivityFragment extends AbstractChartFragment {
private List<Measurement> heartRateValues; private List<Measurement> heartRateValues;
private LineDataSet mHeartRateSet; private LineDataSet mHeartRateSet;
private int mHeartRate; private int mHeartRate;
private long tsOffset = -1;
private class Steps { private class Steps {
private int initialSteps; private int initialSteps;
@ -154,12 +155,14 @@ public class LiveActivityFragment extends AbstractChartFragment {
case DeviceService.ACTION_REALTIME_STEPS: { case DeviceService.ACTION_REALTIME_STEPS: {
int steps = intent.getIntExtra(DeviceService.EXTRA_REALTIME_STEPS, 0); int steps = intent.getIntExtra(DeviceService.EXTRA_REALTIME_STEPS, 0);
long timestamp = intent.getLongExtra(DeviceService.EXTRA_TIMESTAMP, System.currentTimeMillis()); long timestamp = intent.getLongExtra(DeviceService.EXTRA_TIMESTAMP, System.currentTimeMillis());
timestamp = adjust(timestamp);
addEntries(steps, timestamp); addEntries(steps, timestamp);
break; break;
} }
case DeviceService.ACTION_HEARTRATE_MEASUREMENT: { case DeviceService.ACTION_HEARTRATE_MEASUREMENT: {
int heartRate = intent.getIntExtra(DeviceService.EXTRA_HEART_RATE_VALUE, 0); int heartRate = intent.getIntExtra(DeviceService.EXTRA_HEART_RATE_VALUE, 0);
long timestamp = intent.getLongExtra(DeviceService.EXTRA_TIMESTAMP, System.currentTimeMillis()); long timestamp = intent.getLongExtra(DeviceService.EXTRA_TIMESTAMP, System.currentTimeMillis());
timestamp = adjust(timestamp);
if (isValidHeartRateValue(heartRate)) { if (isValidHeartRateValue(heartRate)) {
setCurrentHeartRate(heartRate, timestamp); setCurrentHeartRate(heartRate, timestamp);
} }
@ -169,6 +172,14 @@ public class LiveActivityFragment extends AbstractChartFragment {
} }
}; };
private long adjust(long timestamp) {
if (tsOffset == -1) {
tsOffset = timestamp;
return 0;
}
return timestamp - tsOffset;
}
private void setCurrentHeartRate(int heartRate, long timestamp) { private void setCurrentHeartRate(int heartRate, long timestamp) {
addHistoryDataSet(true); addHistoryDataSet(true);
mHeartRate = heartRate; mHeartRate = heartRate;
@ -214,12 +225,12 @@ public class LiveActivityFragment extends AbstractChartFragment {
if (stepsPerMinute < 0) { if (stepsPerMinute < 0) {
stepsPerMinute = 0; stepsPerMinute = 0;
} }
mHistorySet.addEntry(new Entry(stepsPerMinute, timestamp)); mHistorySet.addEntry(new Entry(timestamp, stepsPerMinute));
int hr = getCurrentHeartRate(); int hr = getCurrentHeartRate();
if (hr < 0) { if (hr < 0) {
hr = 0; hr = 0;
} }
mHeartRateSet.addEntry(new Entry(hr, timestamp)); mHeartRateSet.addEntry(new Entry(timestamp, hr));
} }
private boolean addHistoryDataSet(boolean force) { private boolean addHistoryDataSet(boolean force) {
@ -251,8 +262,8 @@ public class LiveActivityFragment extends AbstractChartFragment {
mTotalStepsChart = (CustomBarChart) rootView.findViewById(R.id.livechart_steps_total); mTotalStepsChart = (CustomBarChart) rootView.findViewById(R.id.livechart_steps_total);
mStepsPerMinuteHistoryChart = (BarLineChartBase) rootView.findViewById(R.id.livechart_steps_per_minute_history); mStepsPerMinuteHistoryChart = (BarLineChartBase) rootView.findViewById(R.id.livechart_steps_per_minute_history);
totalStepsEntry = new BarEntry(0, 1); totalStepsEntry = new BarEntry(1, 0);
stepsPerMinuteEntry = new BarEntry(0, 1); stepsPerMinuteEntry = new BarEntry(1, 0);
mStepsPerMinuteData = setupCurrentChart(mStepsPerMinuteCurrentChart, stepsPerMinuteEntry, getString(R.string.live_activity_current_steps_per_minute)); mStepsPerMinuteData = setupCurrentChart(mStepsPerMinuteCurrentChart, stepsPerMinuteEntry, getString(R.string.live_activity_current_steps_per_minute));
mTotalStepsData = setupTotalStepsChart(mTotalStepsChart, totalStepsEntry, getString(R.string.live_activity_total_steps)); mTotalStepsData = setupTotalStepsChart(mTotalStepsChart, totalStepsEntry, getString(R.string.live_activity_total_steps));
@ -304,7 +315,7 @@ public class LiveActivityFragment extends AbstractChartFragment {
* Called in the UI thread. * Called in the UI thread.
*/ */
private void pulse() { private void pulse() {
addEntries(System.currentTimeMillis()); addEntries(adjust(System.currentTimeMillis()));
LineData historyData = (LineData) mStepsPerMinuteHistoryChart.getData(); LineData historyData = (LineData) mStepsPerMinuteHistoryChart.getData();
if (historyData == null) { if (historyData == null) {
@ -378,7 +389,7 @@ public class LiveActivityFragment extends AbstractChartFragment {
entries.add(new BarEntry(0, 0)); entries.add(new BarEntry(0, 0));
entries.add(entry); entries.add(entry);
entries.add(new BarEntry(0, 2)); entries.add(new BarEntry(2, 0));
colors.add(akActivity.color); colors.add(akActivity.color);
colors.add(akActivity.color); colors.add(akActivity.color);
colors.add(akActivity.color); colors.add(akActivity.color);
@ -400,7 +411,7 @@ public class LiveActivityFragment extends AbstractChartFragment {
} }
private BarDataSet setupTotalStepsChart(CustomBarChart chart, BarEntry entry, String label) { private BarDataSet setupTotalStepsChart(CustomBarChart chart, BarEntry entry, String label) {
mTotalStepsChart.getAxisLeft().setAxisMaxValue(5000); // TODO: use daily goal - already reached steps mTotalStepsChart.getAxisLeft().setAxisMaximum(5000); // TODO: use daily goal - already reached steps
return setupCommonChart(chart, entry, label); // at the moment, these look the same return setupCommonChart(chart, entry, label); // at the moment, these look the same
} }
@ -430,7 +441,7 @@ public class LiveActivityFragment extends AbstractChartFragment {
y.setDrawTopYLabelEntry(false); y.setDrawTopYLabelEntry(false);
y.setTextColor(CHART_TEXT_COLOR); y.setTextColor(CHART_TEXT_COLOR);
y.setEnabled(true); y.setEnabled(true);
y.setAxisMinValue(0); y.setAxisMinimum(0);
YAxis yAxisRight = chart.getAxisRight(); YAxis yAxisRight = chart.getAxisRight();
yAxisRight.setDrawGridLines(false); yAxisRight.setDrawGridLines(false);
@ -438,8 +449,8 @@ public class LiveActivityFragment extends AbstractChartFragment {
yAxisRight.setDrawLabels(true); yAxisRight.setDrawLabels(true);
yAxisRight.setDrawTopYLabelEntry(false); yAxisRight.setDrawTopYLabelEntry(false);
yAxisRight.setTextColor(CHART_TEXT_COLOR); yAxisRight.setTextColor(CHART_TEXT_COLOR);
yAxisRight.setAxisMaxValue(HeartRateUtils.MAX_HEART_RATE_VALUE); yAxisRight.setAxisMaximum(HeartRateUtils.MAX_HEART_RATE_VALUE);
yAxisRight.setAxisMinValue(HeartRateUtils.MIN_HEART_RATE_VALUE); yAxisRight.setAxisMinimum(HeartRateUtils.MIN_HEART_RATE_VALUE);
mHistorySet = new LineDataSet(new ArrayList<Entry>(), getString(R.string.live_activity_steps_history)); mHistorySet = new LineDataSet(new ArrayList<Entry>(), getString(R.string.live_activity_steps_history));
mHistorySet.setAxisDependency(YAxis.AxisDependency.LEFT); mHistorySet.setAxisDependency(YAxis.AxisDependency.LEFT);

View File

@ -101,7 +101,7 @@ public class SleepChartFragment extends AbstractChartFragment {
mSleepAmountChart.setData(mcd.getPieData().getPieData()); mSleepAmountChart.setData(mcd.getPieData().getPieData());
mActivityChart.setData(null); // workaround for https://github.com/PhilJay/MPAndroidChart/issues/2317 mActivityChart.setData(null); // workaround for https://github.com/PhilJay/MPAndroidChart/issues/2317
xIndexFormatter.setxLabels(mcd.getChartsData().getXLabels()); mActivityChart.getXAxis().setValueFormatter(mcd.getChartsData().getXValueFormatter());
mActivityChart.setData(mcd.getChartsData().getData()); mActivityChart.setData(mcd.getChartsData().getData());
} }

View File

@ -0,0 +1,40 @@
package nodomain.freeyourgadget.gadgetbridge.activities.charts;
import com.github.mikephil.charting.components.AxisBase;
import com.github.mikephil.charting.formatter.IAxisValueFormatter;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
public class TimestampValueFormatter implements IAxisValueFormatter {
private final Calendar cal;
// private DateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy HH:mm");
private DateFormat dateFormat;
public TimestampValueFormatter() {
this(new SimpleDateFormat("HH:mm"));
}
public TimestampValueFormatter(DateFormat dateFormat) {
this.dateFormat = dateFormat;
cal = GregorianCalendar.getInstance();
cal.clear();
}
@Override
public String getFormattedValue(float value, AxisBase axis) {
cal.setTimeInMillis((int) value * 1000L);
Date date = cal.getTime();
String dateString = dateFormat.format(date);
return dateString;
}
@Override
public int getDecimalDigits() {
return 0;
}
}

View File

@ -66,7 +66,7 @@ public class WeekStepsChartFragment extends AbstractChartFragment {
mWeekStepsChart.setData(null); // workaround for https://github.com/PhilJay/MPAndroidChart/issues/2317 mWeekStepsChart.setData(null); // workaround for https://github.com/PhilJay/MPAndroidChart/issues/2317
mWeekStepsChart.setData(mcd.getWeekBeforeStepsData().getData()); mWeekStepsChart.setData(mcd.getWeekBeforeStepsData().getData());
mWeekStepsChart.getLegend().setEnabled(false); mWeekStepsChart.getLegend().setEnabled(false);
xIndexFormatter.setxLabels(mcd.getWeekBeforeStepsData().getXLabels()); mWeekStepsChart.getXAxis().setValueFormatter(mcd.getWeekBeforeStepsData().getXValueFormatter());
} }
@Override @Override
@ -75,7 +75,7 @@ public class WeekStepsChartFragment extends AbstractChartFragment {
mTodayStepsChart.invalidate(); mTodayStepsChart.invalidate();
} }
private DefaultChartsData refreshWeekBeforeSteps(DBHandler db, BarChart barChart, Calendar day, GBDevice device) { private DefaultChartsData<BarData> refreshWeekBeforeSteps(DBHandler db, BarChart barChart, Calendar day, GBDevice device) {
ActivityAnalysis analysis = new ActivityAnalysis(); ActivityAnalysis analysis = new ActivityAnalysis();
@ -100,7 +100,7 @@ public class WeekStepsChartFragment extends AbstractChartFragment {
barChart.getAxisLeft().removeAllLimitLines(); barChart.getAxisLeft().removeAllLimitLines();
barChart.getAxisLeft().addLimitLine(target); barChart.getAxisLeft().addLimitLine(target);
return new DefaultChartsData(barData, labels); return new DefaultChartsData(barData, new PreformattedXIndexLabelFormatter(labels));
} }
@ -184,7 +184,6 @@ public class WeekStepsChartFragment extends AbstractChartFragment {
x.setEnabled(true); x.setEnabled(true);
x.setTextColor(CHART_TEXT_COLOR); x.setTextColor(CHART_TEXT_COLOR);
x.setDrawLimitLinesBehindData(true); x.setDrawLimitLinesBehindData(true);
x.setValueFormatter(xIndexFormatter);
x.setPosition(XAxis.XAxisPosition.BOTTOM); x.setPosition(XAxis.XAxisPosition.BOTTOM);
YAxis y = mWeekStepsChart.getAxisLeft(); YAxis y = mWeekStepsChart.getAxisLeft();