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Code Releases Wiki Activity

Improved sleep chart #45

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- use just one data set, because multiple data sets is not supported
  by MPAndroidChart (the way we need it)

Now there is hardly any space between the bars anymore

Also:
- allow scaling x and y axis independently via pinch gesture
- set fixed y max value (1.0) so that the display is stable and
  independent of the actual available data
- (at least temporarily) display y labels
This commit is contained in:
cpfeiffer 2015-06-17 00:05:55 +02:00
parent 8709b95a95
commit a5ae7acc63
4 changed files with 124 additions and 21 deletions
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74
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/SleepChartActivity.java
View File

@ -36,6 +36,18 @@ import nodomain.freeyourgadget.gadgetbridge.R;
public class SleepChartActivity extends Activity {
private static final class ActivityKind {
public final byte type;
public final String label;
public final Integer color;
public ActivityKind(byte type, String label, Integer color) {
this.type = type;
this.label = label;
this.color = color;
}
}
public static final String ACTION_REFRESH
= "nodomain.freeyourgadget.gadgetbride.chart.action.refresh";
protected static final Logger LOG = LoggerFactory.getLogger(SleepChartActivity.class);
@ -48,6 +60,10 @@ public class SleepChartActivity extends Activity {
private int mSmartAlarmGoneOff = -1;
private GBDevice mGBDevice = null;
private ActivityKind akActivity = new ActivityKind(GBActivitySample.TYPE_UNKNOWN, "Activity", Color.rgb(89, 178, 44));
private ActivityKind akLightSleep = new ActivityKind(GBActivitySample.TYPE_LIGHT_SLEEP, "Light Sleep", Color.rgb(182, 191, 255));
private ActivityKind akDeepSleep = new ActivityKind(GBActivitySample.TYPE_DEEP_SLEEP, "Deep Sleep", Color.rgb(76, 90, 255));
private BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
@ -103,7 +119,7 @@ public class SleepChartActivity extends Activity {
mChart.setScaleEnabled(true);
// if disabled, scaling can be done on x- and y-axis separately
mChart.setPinchZoom(true);
// mChart.setPinchZoom(true);
mChart.setDrawGridBackground(false);
@ -119,6 +135,8 @@ public class SleepChartActivity extends Activity {
YAxis y = mChart.getAxisLeft();
y.setDrawGridLines(false);
// y.setDrawLabels(false);
// TODO: make fixed max value optional
y.setAxisMaxValue(1f);
y.setDrawTopYLabelEntry(false);
y.setTextColor(Color.WHITE);
@ -224,9 +242,10 @@ public class SleepChartActivity extends Activity {
int numEntries = samples.size();
List<String> xLabels = new ArrayList<>(numEntries);
List<BarEntry> deepSleepEntries = new ArrayList<>(numEntries / 4);
List<BarEntry> lightSleepEntries = new ArrayList<>(numEntries / 4);
// List<BarEntry> deepSleepEntries = new ArrayList<>(numEntries / 4);
// List<BarEntry> lightSleepEntries = new ArrayList<>(numEntries / 4);
List<BarEntry> activityEntries = new ArrayList<>(numEntries);
List<Integer> colors = new ArrayList<>(numEntries); // this is kinda inefficient...
for (int i = 0; i < numEntries; i++) {
GBActivitySample sample = samples.get(i);
@ -250,15 +269,13 @@ public class SleepChartActivity extends Activity {
float value;
if (type == GBActivitySample.TYPE_DEEP_SLEEP) {
value = 0.01f;
deepSleepEntries.add(createEntry(value, i));
lightSleepEntries.add(emptyEntry);
activityEntries.add(emptyEntry);
activityEntries.add(createEntry(value, i));
colors.add(akDeepSleep.color);
} else {
if (type == GBActivitySample.TYPE_LIGHT_SLEEP) {
value = ((float) movement / movement_divisor);
lightSleepEntries.add(createEntry(value, i));
deepSleepEntries.add(emptyEntry);
activityEntries.add(emptyEntry);
activityEntries.add(createEntry(value, i));
colors.add(akLightSleep.color);
} else {
byte steps = sample.getSteps();
if (use_steps_as_movement && steps != 0) {
@ -267,8 +284,7 @@ public class SleepChartActivity extends Activity {
}
value = ((float) movement / movement_divisor);
activityEntries.add(createEntry(value, i));
lightSleepEntries.add(emptyEntry);
deepSleepEntries.add(emptyEntry);
colors.add(akActivity.color);
}
}
@ -293,21 +309,25 @@ public class SleepChartActivity extends Activity {
mChart.getXAxis().setValues(xLabels);
BarDataSet deepSleepSet = createDeepSleepSet(deepSleepEntries, "Deep Sleep");
BarDataSet lightSleepSet = createLightSleepSet(lightSleepEntries, "Light Sleep");
BarDataSet activitySet = createActivitySet(activityEntries, "Activity");
// BarDataSet deepSleepSet = createDeepSleepSet(deepSleepEntries, "Deep Sleep");
// BarDataSet lightSleepSet = createLightSleepSet(lightSleepEntries, "Light Sleep");
BarDataSet activitySet = createActivitySet(activityEntries, colors, "Activity");
ArrayList<BarDataSet> dataSets = new ArrayList<>();
dataSets.add(deepSleepSet);
dataSets.add(lightSleepSet);
// dataSets.add(deepSleepSet);
// dataSets.add(lightSleepSet);
dataSets.add(activitySet);
// create a data object with the datasets
BarData data = new BarData(xLabels, dataSets);
data.setGroupSpace(0);
mChart.setDescription(getString(R.string.sleep_activity_date_range, dateStringFrom, dateStringTo));
// mChart.setDescriptionPosition(?, ?);
// set data
setupLegend(mChart);
mChart.setData(data);
mChart.animateX(1000, Easing.EasingOption.EaseInOutQuart);
@ -316,6 +336,19 @@ public class SleepChartActivity extends Activity {
}
}
private void setupLegend(BarLineChartBase chart) {
List<Integer> legendColors = new ArrayList<>(3);
List<String> legendLabels = new ArrayList<>(3);
legendColors.add(akActivity.color);
legendLabels.add(akActivity.label);
legendColors.add(akLightSleep.color);
legendLabels.add(akLightSleep.label);
legendColors.add(akDeepSleep.color);
legendLabels.add(akDeepSleep.label);
chart.getLegend().setColors(legendColors);
chart.getLegend().setLabels(legendLabels);
}
private BarEntry createEntry(float value, int index) {
return new BarEntry(value, index);
}
@ -330,8 +363,9 @@ public class SleepChartActivity extends Activity {
return super.onOptionsItemSelected(item);
}
private BarDataSet createActivitySet(List<BarEntry> values, String label) {
private BarDataSet createActivitySet(List<BarEntry> values, List<Integer> colors, String label) {
BarDataSet set1 = new BarDataSet(values, label);
set1.setColors(colors);
// set1.setDrawCubic(true);
// set1.setCubicIntensity(0.2f);
// //set1.setDrawFilled(true);
@ -341,7 +375,7 @@ public class SleepChartActivity extends Activity {
// set1.setFillColor(ColorTemplate.getHoloBlue());
set1.setDrawValues(false);
// set1.setHighLightColor(Color.rgb(128, 0, 255));
set1.setColor(Color.rgb(89, 178, 44));
// set1.setColor(Color.rgb(89, 178, 44));
set1.setValueTextColor(Color.WHITE);
return set1;
}
@ -357,7 +391,7 @@ public class SleepChartActivity extends Activity {
// set1.setFillColor(ColorTemplate.getHoloBlue());
set1.setDrawValues(false);
// set1.setHighLightColor(Color.rgb(244, 117, 117));
set1.setColor(Color.rgb(76, 90, 255));
// set1.setColor(Color.rgb(76, 90, 255));
set1.setValueTextColor(Color.WHITE);
return set1;
}
@ -374,7 +408,7 @@ public class SleepChartActivity extends Activity {
// set1.setFillColor(ColorTemplate.getHoloBlue());
set1.setDrawValues(false);
// set1.setHighLightColor(Color.rgb(244, 117, 117));
set1.setColor(Color.rgb(182, 191, 255));
// set1.setColor(Color.rgb(182, 191, 255));
set1.setValueTextColor(Color.WHITE);
// set1.setColor(Color.CYAN);
return set1;

31
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/charts/CustomBarChart.java Normal file
View File

@ -0,0 +1,31 @@
package nodomain.freeyourgadget.gadgetbridge.charts;
import android.content.Context;
import android.util.AttributeSet;
import com.github.mikephil.charting.charts.BarChart;
/**
* A BarChart with some specific customization, like
* <li>using a custom legend renderer that always uses fixed labels and colors</li>
*/
public class CustomBarChart extends BarChart {
public CustomBarChart(Context context) {
super(context);
}
public CustomBarChart(Context context, AttributeSet attrs) {
super(context, attrs);
}
public CustomBarChart(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
protected void init() {
super.init();
mLegendRenderer = new CustomLegendRenderer(getViewPortHandler(), getLegend());
}
}

38
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/charts/CustomLegendRenderer.java Normal file
View File

@ -0,0 +1,38 @@
package nodomain.freeyourgadget.gadgetbridge.charts;
import android.graphics.Typeface;
import com.github.mikephil.charting.components.Legend;
import com.github.mikephil.charting.data.ChartData;
import com.github.mikephil.charting.renderer.LegendRenderer;
import com.github.mikephil.charting.utils.ViewPortHandler;
/**
* A legend renderer that does *not* calculate the labels and colors automatically
* from the data sets or the data entries.
*
* Instead, they have to be provided manually, because otherwise the legend will
* be empty.
*/
public class CustomLegendRenderer extends LegendRenderer {
public CustomLegendRenderer(ViewPortHandler viewPortHandler, Legend legend) {
super(viewPortHandler, legend);
}
@Override
public void computeLegend(ChartData<?> data) {
// don't call super to avoid computing colors and labels
// super.computeLegend(data);
Typeface tf = mLegend.getTypeface();
if (tf != null)
mLegendLabelPaint.setTypeface(tf);
mLegendLabelPaint.setTextSize(mLegend.getTextSize());
mLegendLabelPaint.setColor(mLegend.getTextColor());
// calculate all dimensions of the mLegend
mLegend.calculateDimensions(mLegendLabelPaint);
}
}

2
app/src/main/res/layout/activity_sleepmonitor2.xml
View File

@ -3,7 +3,7 @@
android:layout_width="match_parent"
android:layout_height="match_parent">
<com.github.mikephil.charting.charts.BarChart
<nodomain.freeyourgadget.gadgetbridge.charts.CustomBarChart
android:id="@+id/sleepchart2"
android:layout_width="match_parent"
android:layout_height="match_parent"