organicmaps/MPAndroidChart
13
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity Actions

Create example for XYMarkerView (#2029)

Browse source
This commit is contained in:
Philipp Jahoda 2016-07-16 22:53:01 +02:00
parent e000c42744
commit 3ea1db57ab
3 changed files with 58 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
MPChartExample/src/com/xxmassdeveloper/mpchartexample/BarChartActivity.java
View file

@ -37,6 +37,7 @@ import com.github.mikephil.charting.utils.ColorTemplate;
import com.github.mikephil.charting.utils.MPPointF;
import com.xxmassdeveloper.mpchartexample.custom.DayAxisValueFormatter;
import com.xxmassdeveloper.mpchartexample.custom.MyAxisValueFormatter;
import com.xxmassdeveloper.mpchartexample.custom.XYMarkerView;
import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase;
import java.util.ArrayList;
@ -79,13 +80,15 @@ public class BarChartActivity extends DemoBase implements OnSeekBarChangeListene
mChart.setDrawGridBackground(false);
// mChart.setDrawYLabels(false);
AxisValueFormatter xAxisFormatter = new DayAxisValueFormatter(mChart);
XAxis xAxis = mChart.getXAxis();
xAxis.setPosition(XAxisPosition.BOTTOM);
xAxis.setTypeface(mTfLight);
xAxis.setDrawGridLines(false);
xAxis.setGranularity(1f); // only intervals of 1 day
xAxis.setLabelCount(7);
xAxis.setValueFormatter(new DayAxisValueFormatter(mChart));
xAxis.setValueFormatter(xAxisFormatter);
AxisValueFormatter custom = new MyAxisValueFormatter();
@ -116,6 +119,8 @@ public class BarChartActivity extends DemoBase implements OnSeekBarChangeListene
// l.setCustom(ColorTemplate.VORDIPLOM_COLORS, new String[] { "abc",
// "def", "ghj", "ikl", "mno" });
mChart.setMarkerView(new XYMarkerView(this, xAxisFormatter));
setData(12, 50);
// setting data

2
MPChartExample/src/com/xxmassdeveloper/mpchartexample/custom/DayAxisValueFormatter.java
View file

@ -32,7 +32,7 @@ public class DayAxisValueFormatter implements AxisValueFormatter {
String monthName = mMonths[month % mMonths.length];
String yearName = String.valueOf(year);
if (chart.getVisibleXRange() > 30 * axis.getLabelCount()) {
if (chart.getVisibleXRange() > 30 * 6) {
return monthName + " " + yearName;
} else {

53
MPChartExample/src/com/xxmassdeveloper/mpchartexample/custom/XYMarkerView.java
View file

@ -1,7 +1,56 @@
package com.xxmassdeveloper.mpchartexample.custom;
import android.content.Context;
import android.widget.TextView;
import com.github.mikephil.charting.components.MarkerView;
import com.github.mikephil.charting.data.CandleEntry;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.formatter.AxisValueFormatter;
import com.github.mikephil.charting.highlight.Highlight;
import com.github.mikephil.charting.utils.Utils;
import com.xxmassdeveloper.mpchartexample.R;
import java.text.DecimalFormat;
/**
* Created by philipp on 16/07/16.
* Custom implementation of the MarkerView.
*
* @author Philipp Jahoda
*/
public class XYMarkerView {
public class XYMarkerView extends MarkerView {
private TextView tvContent;
private AxisValueFormatter xAxisValueFormatter;
private DecimalFormat format;
public XYMarkerView(Context context, AxisValueFormatter xAxisValueFormatter) {
super(context, R.layout.custom_marker_view);
this.xAxisValueFormatter = xAxisValueFormatter;
tvContent = (TextView) findViewById(R.id.tvContent);
format = new DecimalFormat("###.0");
}
// callbacks everytime the MarkerView is redrawn, can be used to update the
// content (user-interface)
@Override
public void refreshContent(Entry e, Highlight highlight) {
tvContent.setText("x: " + xAxisValueFormatter.getFormattedValue(e.getX(), null) + ", y: " + format.format(e.getY()));
}
@Override
public int getXOffset(float xpos) {
// this will center the marker-view horizontally
return -(getWidth() / 2);
}
@Override
public int getYOffset(float ypos) {
// this will cause the marker-view to be above the selected value
return -getHeight();
}
}