organicmaps/MPAndroidChart
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Fix issue related to barchart value labels

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This commit is contained in:
Philipp Jahoda 2016-06-02 20:02:49 +02:00
parent a25290742d
commit bfcbae4263
2 changed files with 26 additions and 8 deletions
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31
MPChartExample/src/com/xxmassdeveloper/mpchartexample/BarChartPositiveNegative.java
View file

@ -7,6 +7,7 @@ import android.os.Bundle;
import android.view.WindowManager;
import com.github.mikephil.charting.charts.BarChart;
import com.github.mikephil.charting.components.AxisBase;
import com.github.mikephil.charting.components.XAxis;
import com.github.mikephil.charting.components.XAxis.XAxisPosition;
import com.github.mikephil.charting.components.YAxis;
@ -14,6 +15,7 @@ import com.github.mikephil.charting.data.BarData;
import com.github.mikephil.charting.data.BarDataSet;
import com.github.mikephil.charting.data.BarEntry;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.formatter.AxisValueFormatter;
import com.github.mikephil.charting.utils.ViewPortHandler;
import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase;
@ -58,6 +60,11 @@ public class BarChartPositiveNegative extends DemoBase {
xAxis.setDrawAxisLine(false);
xAxis.setTextColor(Color.LTGRAY);
xAxis.setTextSize(13f);
xAxis.setAxisMinValue(0f);
xAxis.setAxisMaxValue(5f);
xAxis.setLabelCount(5);
xAxis.setCenterAxisLabels(true);
xAxis.setGranularity(1f);
YAxis left = mChart.getAxisLeft();
left.setDrawLabels(false);
@ -73,12 +80,24 @@ public class BarChartPositiveNegative extends DemoBase {
mChart.getLegend().setEnabled(false);
// THIS IS THE ORIGINAL DATA YOU WANT TO PLOT
List<Data> data = new ArrayList<>();
data.add(new Data(0, -224.1f, "12-29"));
data.add(new Data(1, 238.5f, "12-30"));
data.add(new Data(2, 1280.1f, "12-31"));
data.add(new Data(3, -442.3f, "01-01"));
data.add(new Data(4, -2280.1f, "01-02"));
final List<Data> data = new ArrayList<>();
data.add(new Data(0.5f, -224.1f, "12-29"));
data.add(new Data(1.5f, 238.5f, "12-30"));
data.add(new Data(2.5f, 1280.1f, "12-31"));
data.add(new Data(3.5f, -442.3f, "01-01"));
data.add(new Data(4.5f, -2280.1f, "01-02"));
xAxis.setValueFormatter(new AxisValueFormatter() {
@Override
public String getFormattedValue(float value, AxisBase axis) {
return data.get(Math.min(Math.max((int) value, 0), data.size()-1)).xAxisValue;
}
@Override
public int getDecimalDigits() {
return 0;
}
});
setData(data);
}

3
MPChartLib/src/main/java/com/github/mikephil/charting/renderer/BarChartRenderer.java
View file

@ -236,7 +236,7 @@ public class BarChartRenderer extends DataRenderer {
float val = entry.getY();
drawValue(c, dataSet.getValueFormatter(), val, entry, i, x,
buffer.buffer[j + 1] + (val >= 0 ? posOffset : negOffset), dataSet.getValueTextColor
val >= 0 ? (buffer.buffer[j + 1] + posOffset) : (buffer.buffer[j + 3] + negOffset), dataSet.getValueTextColor
(j / 4));
}
@ -327,7 +327,6 @@ public class BarChartRenderer extends DataRenderer {
public void drawHighlighted(Canvas c, Highlight[] indices) {
BarData barData = mChart.getBarData();
int setCount = barData.getDataSetCount();
for (Highlight high : indices) {