initGraph

graph.setOnChartValueSelectedListener(this);

        // enable description text
        graph.getDescription().setEnabled(true);

        // enable touch gestures
        graph.setTouchEnabled(true);

        // enable scaling and dragging
        graph.setDragEnabled(true);
        graph.setScaleEnabled(true);
        graph.setDrawGridBackground(false);

        // if disabled, scaling can be done on x- and y-axis separately
        graph.setPinchZoom(true);

        // set an alternative background color
        graph.setBackgroundColor(getResources().getColor(R.color.memory_graph_background));

        LineData data = new LineData();
        data.setValueTextColor(Color.WHITE);

        // add empty data
        graph.setData(data);

        graph.getDescription().setText(getResources().getString(R.string.axis_desc_time));
        graph.getDescription().setTextColor(Color.WHITE);

        // get the legend (only possible after setting data)
        Legend l = memGraph.getLegend();

        // modify the legend ...
        l.setForm(Legend.LegendForm.LINE);
        l.setTextColor(Color.WHITE);

        XAxis xl = memGraph.getXAxis();
        xl.setTextColor(Color.WHITE);
        xl.setDrawGridLines(false);
        xl.setAvoidFirstLastClipping(true);
        xl.setEnabled(true);

        YAxis leftAxis = memGraph.getAxisLeft();
        leftAxis.setTextColor(Color.WHITE);
        leftAxis.setAxisMaximum(100f);
        leftAxis.setAxisMinimum(0f);
        leftAxis.setDrawGridLines(true);
        leftAxis.setGridColor(Color.WHITE);

        YAxis rightAxis = graph.getAxisRight();
        rightAxis.setEnabled(false);