How to display all x-axis value align with group bar in mpchart android

its because of the bar space and group space, needed to change the width correctly and set setVisibleXRangeMaximum to 6. You can try this,hope this helps

String[] days = new String[]{"TYPE 1", "TYPE 2", "TYPE 3", "TYPE 4", "TYPE 5", "TYPE 6"};

      ArrayList<BarEntry> barEntries = new ArrayList<>();
      ArrayList<BarEntry> barEntries2 = new ArrayList<>();

      barEntries.add(new BarEntry(1,50f));
      barEntries.add(new BarEntry(2,42f));
      barEntries.add(new BarEntry(3,34f));
      barEntries.add(new BarEntry(4,24f));
      barEntries.add(new BarEntry(5,50f));
      barEntries.add(new BarEntry(6,42f));

      barEntries2.add(new BarEntry(1,17f));
      barEntries2.add(new BarEntry(2,19f));
      barEntries2.add(new BarEntry(3,19f));
      barEntries2.add(new BarEntry(4,18f));
      barEntries2.add(new BarEntry(5,17f));
      barEntries2.add(new BarEntry(6,19f));

      BarDataSet barDataSet = new BarDataSet(barEntries,"");
      barDataSet.setColor(Color.parseColor("#F44336"));

      BarDataSet barDataSet1 = new BarDataSet(barEntries2,"");
      barDataSet1.setColors(Color.parseColor("#9C27B0"));

      BarData data = new BarData(barDataSet,barDataSet1);
      chart7.setData(data);

      chart7.setDrawBarShadow(false);
      chart7.setDrawValueAboveBar(true);
      chart7.setMaxVisibleValueCount(50);
      chart7.setPinchZoom(false);
      chart7.setDrawGridBackground(false);
      chart7.getDescription().setEnabled(false);
      Legend l = chart7.getLegend();
      l.setEnabled(false);

      XAxis xAxis = chart7.getXAxis();
      xAxis.setValueFormatter(new IndexAxisValueFormatter(days));
      xAxis.setCenterAxisLabels(true);
      xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
      xAxis.setGranularity(1);
      xAxis.setGranularityEnabled(true);
      chart7.setDragEnabled(true);
      chart7.setVisibleXRangeMaximum(6);
      float barSpace = 0.02f;
      float groupSpace = 0.55f;
      data.setBarWidth(0.20f);
      chart7.getXAxis().setAxisMinimum(0);
      chart7.getXAxis().setAxisMaximum(6f);
      chart7.groupBars(0, groupSpace, barSpace);

enter image description here