package com.xxmassdeveloper.mpchartexample;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.WindowManager;
import android.widget.Toast;
import com.github.mikephil.charting.charts.HorizontalBarChart;
import com.github.mikephil.charting.components.AxisBase;
import com.github.mikephil.charting.components.Legend;
import com.github.mikephil.charting.components.Legend.LegendPosition;
import com.github.mikephil.charting.components.XAxis;
import com.github.mikephil.charting.components.XAxis.XAxisPosition;
import com.github.mikephil.charting.components.YAxis;
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.IValueFormatter;
import com.github.mikephil.charting.formatter.IAxisValueFormatter;
import com.github.mikephil.charting.highlight.Highlight;
import com.github.mikephil.charting.interfaces.datasets.IBarDataSet;
import com.github.mikephil.charting.listener.OnChartValueSelectedListener;
import com.github.mikephil.charting.utils.ViewPortHandler;
import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.List;
public class StackedBarActivityNegative extends DemoBase implements
OnChartValueSelectedListener {
private HorizontalBarChart mChart;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_age_distribution);
setTitle("Age Distribution Austria");
mChart = (HorizontalBarChart) findViewById(R.id.chart1);
mChart.setOnChartValueSelectedListener(this);
mChart.setDrawGridBackground(false);
mChart.getDescription().setEnabled(false);
// scaling can now only be done on x- and y-axis separately
mChart.setPinchZoom(false);
mChart.setDrawBarShadow(false);
mChart.setDrawValueAboveBar(true);
mChart.setHighlightFullBarEnabled(false);
mChart.getAxisLeft().setEnabled(false);
mChart.getAxisRight().setAxisMaximum(25f);
mChart.getAxisRight().setAxisMinimum(-25f);
mChart.getAxisRight().setDrawGridLines(false);
mChart.getAxisRight().setDrawZeroLine(true);
mChart.getAxisRight().setLabelCount(7, false);
mChart.getAxisRight().setValueFormatter(new CustomFormatter());
mChart.getAxisRight().setTextSize(9f);
XAxis xAxis = mChart.getXAxis();
xAxis.setPosition(XAxisPosition.BOTH_SIDED);
xAxis.setDrawGridLines(false);
xAxis.setDrawAxisLine(false);
xAxis.setTextSize(9f);
xAxis.setAxisMinimum(0f);
xAxis.setAxisMaximum(110f);
xAxis.setCenterAxisLabels(true);
xAxis.setLabelCount(12);
xAxis.setGranularity(10f);
xAxis.setValueFormatter(new IAxisValueFormatter() {
private DecimalFormat format = new DecimalFormat("###");
@Override
public String getFormattedValue(float value, AxisBase axis) {
return format.format(value) + "-" + format.format(value + 10);
}
});
Legend l = mChart.getLegend();
l.setVerticalAlignment(Legend.LegendVerticalAlignment.BOTTOM);
l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.RIGHT);
l.setOrientation(Legend.LegendOrientation.HORIZONTAL);
l.setDrawInside(false);
l.setFormSize(8f);
l.setFormToTextSpace(4f);
l.setXEntrySpace(6f);
// IMPORTANT: When using negative values in stacked bars, always make sure the negative values are in the array first
ArrayList<BarEntry> yValues = new ArrayList<BarEntry>();
yValues.add(new BarEntry(5, new float[]{ -10, 10 }));
yValues.add(new BarEntry(15, new float[]{ -12, 13 }));
yValues.add(new BarEntry(25, new float[]{ -15, 15 }));
yValues.add(new BarEntry(35, new float[]{ -17, 17 }));
yValues.add(new BarEntry(45, new float[]{ -19, 20 }));
yValues.add(new BarEntry(45, new float[]{ -19, 20 }, getResources().getDrawable(R.drawable.star)));
yValues.add(new BarEntry(55, new float[]{ -19, 19 }));
yValues.add(new BarEntry(65, new float[]{ -16, 16 }));
yValues.add(new BarEntry(75, new float[]{ -13, 14 }));
yValues.add(new BarEntry(85, new float[]{ -10, 11 }));
yValues.add(new BarEntry(95, new float[]{ -5, 6 }));
yValues.add(new BarEntry(105, new float[]{ -1, 2 }));
BarDataSet set = new BarDataSet(yValues, "Age Distribution");
set.setDrawIcons(false);
set.setValueFormatter(new CustomFormatter());
set.setValueTextSize(7f);
set.setAxisDependency(YAxis.AxisDependency.RIGHT);
set.setColors(new int[] {Color.rgb(67,67,72), Color.rgb(124,181,236)});
set.setStackLabels(new String[]{
"Men", "Women"
});
String []xLabels = new String[]{"0-10", "10-20", "20-30", "30-40", "40-50", "50-60", "60-70", "70-80", "80-90", "90-100", "100+"};
BarData data = new BarData(set);
data.setBarWidth(8.5f);
mChart.setData(data);
mChart.invalidate();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.bar, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.actionToggleValues: {
List<IBarDataSet> sets = mChart.getData()
.getDataSets();
for (IBarDataSet iSet : sets) {
BarDataSet set = (BarDataSet) iSet;
set.setDrawValues(!set.isDrawValuesEnabled());
}
mChart.invalidate();
break;
}
case R.id.actionToggleIcons: {
List<IBarDataSet> sets = mChart.getData()
.getDataSets();
for (IBarDataSet iSet : sets) {
BarDataSet set = (BarDataSet) iSet;
set.setDrawIcons(!set.isDrawIconsEnabled());
}
mChart.invalidate();
break;
}
case R.id.actionToggleHighlight: {
if(mChart.getData() != null) {
mChart.getData().setHighlightEnabled(!mChart.getData().isHighlightEnabled());
mChart.invalidate();
}
break;
}
case R.id.actionTogglePinch: {
if (mChart.isPinchZoomEnabled())
mChart.setPinchZoom(false);
else
mChart.setPinchZoom(true);
mChart.invalidate();
break;
}
case R.id.actionToggleAutoScaleMinMax: {
mChart.setAutoScaleMinMaxEnabled(!mChart.isAutoScaleMinMaxEnabled());
mChart.notifyDataSetChanged();
break;
}
case R.id.actionToggleBarBorders: {
for (IBarDataSet set : mChart.getData().getDataSets())
((BarDataSet)set).setBarBorderWidth(set.getBarBorderWidth() == 1.f ? 0.f : 1.f);
mChart.invalidate();
break;
}
case R.id.animateX: {
mChart.animateX(3000);
break;
}
case R.id.animateY: {
mChart.animateY(3000);
break;
}
case R.id.animateXY: {
mChart.animateXY(3000, 3000);
break;
}
case R.id.actionSave: {
if (mChart.saveToGallery("title" + System.currentTimeMillis(), 50)) {
Toast.makeText(getApplicationContext(), "Saving SUCCESSFUL!",
Toast.LENGTH_SHORT).show();
} else
Toast.makeText(getApplicationContext(), "Saving FAILED!", Toast.LENGTH_SHORT)
.show();
break;
}
}
return true;
}
@Override
public void onValueSelected(Entry e, Highlight h) {
BarEntry entry = (BarEntry) e;
Log.i("VAL SELECTED",
"Value: " + Math.abs(entry.getYVals()[h.getStackIndex()]));
}
@Override
public void onNothingSelected() {
// TODO Auto-generated method stub
Log.i("NOTING SELECTED", "");
}
private class CustomFormatter implements IValueFormatter, IAxisValueFormatter
{
private DecimalFormat mFormat;
public CustomFormatter() {
mFormat = new DecimalFormat("###");
}
// data
@Override
public String getFormattedValue(float value, Entry entry, int dataSetIndex, ViewPortHandler viewPortHandler) {
return mFormat.format(Math.abs(value)) + "m";
}
// YAxis
@Override
public String getFormattedValue(float value, AxisBase axis) {
return mFormat.format(Math.abs(value)) + "m";
}
}
}