| |
| 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.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.data.filter.Approximator; |
| import com.github.mikephil.charting.data.filter.Approximator.ApproximatorType; |
| import com.github.mikephil.charting.interfaces.datasets.IBarDataSet; |
| import com.github.mikephil.charting.listener.OnChartValueSelectedListener; |
| import com.github.mikephil.charting.highlight.Highlight; |
| import com.github.mikephil.charting.formatter.ValueFormatter; |
| import com.github.mikephil.charting.utils.ViewPortHandler; |
| import com.github.mikephil.charting.formatter.YAxisValueFormatter; |
| 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.setDescription(""); |
| |
| // scaling can now only be done on x- and y-axis separately |
| mChart.setPinchZoom(false); |
| |
| mChart.setDrawBarShadow(false); |
| mChart.setDrawValueAboveBar(true); |
| |
| mChart.getAxisLeft().setEnabled(false); |
| mChart.getAxisRight().setStartAtZero(false); |
| mChart.getAxisRight().setAxisMaxValue(25f); |
| mChart.getAxisRight().setAxisMinValue(-25f); |
| 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); |
| |
| Legend l = mChart.getLegend(); |
| l.setPosition(LegendPosition.BELOW_CHART_RIGHT); |
| 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(new float[]{ -10, 10 }, 0)); |
| yValues.add(new BarEntry(new float[]{ -12, 13 }, 1)); |
| yValues.add(new BarEntry(new float[]{ -15, 15 }, 2)); |
| yValues.add(new BarEntry(new float[]{ -17, 17 }, 3)); |
| yValues.add(new BarEntry(new float[]{ -19, 20 }, 4)); |
| yValues.add(new BarEntry(new float[]{ -19, 19 }, 5)); |
| yValues.add(new BarEntry(new float[]{ -16, 16 }, 6)); |
| yValues.add(new BarEntry(new float[]{ -13, 14 }, 7)); |
| yValues.add(new BarEntry(new float[]{ -10, 11 }, 8)); |
| yValues.add(new BarEntry(new float[]{ -5, 6 }, 9)); |
| yValues.add(new BarEntry(new float[]{ -1, 2 }, 10)); |
| |
| BarDataSet set = new BarDataSet(yValues, "Age Distribution"); |
| set.setValueFormatter(new CustomFormatter()); |
| set.setValueTextSize(7f); |
| set.setAxisDependency(YAxis.AxisDependency.RIGHT); |
| set.setBarSpacePercent(40f); |
| set.setColors(new int[] {Color.rgb(67,67,72), Color.rgb(124,181,236)}); |
| set.setStackLabels(new String[]{ |
| "Men", "Women" |
| }); |
| |
| String []xVals = 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(xVals, set); |
| 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.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.actionToggleHighlightArrow: { |
| if (mChart.isDrawHighlightArrowEnabled()) |
| mChart.setDrawHighlightArrow(false); |
| else |
| mChart.setDrawHighlightArrow(true); |
| mChart.invalidate(); |
| break; |
| } |
| case R.id.actionToggleStartzero: { |
| mChart.getAxisLeft().setStartAtZero(!mChart.getAxisLeft().isStartAtZeroEnabled()); |
| mChart.getAxisRight().setStartAtZero(!mChart.getAxisRight().isStartAtZeroEnabled()); |
| 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.actionToggleFilter: { |
| |
| Approximator a = new Approximator(ApproximatorType.DOUGLAS_PEUCKER, 25); |
| |
| if (!mChart.isFilteringEnabled()) { |
| mChart.enableFiltering(a); |
| } else { |
| mChart.disableFiltering(); |
| } |
| mChart.invalidate(); |
| 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, int dataSetIndex, Highlight h) { |
| |
| BarEntry entry = (BarEntry) e; |
| Log.i("VAL SELECTED", |
| "Value: " + Math.abs(entry.getVals()[h.getStackIndex()])); |
| } |
| |
| @Override |
| public void onNothingSelected() { |
| // TODO Auto-generated method stub |
| Log.i("NOTING SELECTED", ""); |
| } |
| |
| private class CustomFormatter implements ValueFormatter, YAxisValueFormatter { |
| |
| 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, YAxis yAxis) { |
| return mFormat.format(Math.abs(value)) + "m"; |
| } |
| } |
| } |
