MPAndroidchart : xaxis labels leaves more empty space at bottom - android

I want the xaxis labels to come down. Those large labels pushes the graph on top where i am not able to view the graph itself as shown in the figure given below. There is lot of space between the xaxis labels and legends(Legends not shown in figure below). I want to overcome this and view the chart. Find my code below
barChart.getAxisLeft().setAxisMinimum(-1.0f);
barChart.getAxisLeft().setDrawGridLines(false);
barChart.getAxisRight().setDrawGridLines(false);
barChart.getAxisRight().setEnabled(false);
barChart.getXAxis().setPosition(XAxis.XAxisPosition.BOTTOM);
barChart.getXAxis().setDrawGridLines(false);
barChart.getXAxis().setLabelRotationAngle(-90.0f);
barChart.getXAxis().setLabelCount(12);
barChart.getXAxis().setCenterAxisLabels(true);
barChart.getXAxis().setGranularityEnabled(true);
barChart.getXAxis().setValueFormatter(new IndexAxisValueFormatter(xAxisLabelList));
barChart.getXAxis().setAxisMaximum(12f);
barChart.groupBars(1f, 0.5f, 0f);
barChart.invalidate();

You can use barChart.setExtraBottomOffset(-10f); to reduce extra white-space below labels.
And increase your chart height in xml file.

Related

MPAndroid LineChart - Change padding of the first and last x-axis values

I've got the following line chart using MPAndroidChart:
Print of the first X position
Print of the last X position
I'm using the following method:
chart.setVisibleXRangeMaximum(5)
Which shows only 5 values on the viewport, the rest of them will be shown by scrolling.
I'm also using this method:
chart.setViewPortOffsets(0,25,0,40);
Which removes the left and right offset to make the chart covers whole screen and sets top and bottom offsets to have a space between the container it's placed in.
The problem is that both, first and last position got hidden into the device border. I think if there was a way to set a padding to these individual values, the problem could be fixed.
I tried to use some methods to change the space or offset of the X-axis, but neither of them worked.
I'm trying to create a chart like this where the entire filled dataset covers whole screen, but the first and last values are placed with a padding between the border of the device and the value itself.
The entire code of my chart is down bellow:
LineChart chart = view.findViewById(R.id.chartCalendar);
// Setting up the data
List<Entry> entries = new ArrayList<Entry>();
entries.add(new Entry(1,1200));
.....
// Creating dataset
LineDataSet dataSet = new LineDataSet(entries, "Label"); // add entries to dataset
// Dataset styling
dataSet.setMode(LineDataSet.Mode.CUBIC_BEZIER);
dataSet.setDrawFilled(true);
dataSet.setFillColor(ContextCompat.getColor(this.getActivity(), R.color.whiteBlue));
dataSet.setColor(ContextCompat.getColor(this.getActivity(), R.color.darkBlue));
dataSet.setLineWidth(2); // Line border thickness
dataSet.setCircleColor(ContextCompat.getColor(this.getActivity(), R.color.darkBlue)); // Border circle values color
// Setting up LineChart
LineData lineData = new LineData(dataSet);
// Styling chart
chart.setData(lineData);
chart.getAxisLeft().setDrawGridLines(false);
chart.getAxisRight().setDrawGridLines(false);
chart.getXAxis().setDrawGridLines(false);
chart.getXAxis().setAxisMaximum(31);
chart.setVisibleXRangeMaximum(5); // Show maximum 10 before scrolling
chart.getLegend().setEnabled(false);
chart.setDrawBorders(false);// Hide the description
chart.getXAxis().setTextColor(ContextCompat.getColor(this.getActivity(), R.color.white)); // Change X-axis label color
YAxis yAxis = chart.getAxisLeft();
yAxis.setTextColor(ContextCompat.getColor(this.getActivity(), R.color.white)); // change Y-axis label color
yAxis.setAxisLineColor(ContextCompat.getColor(this.getActivity(), R.color.darkBlue));
yAxis.setTextColor(ContextCompat.getColor(this.getActivity(), R.color.white));
// remove axis
YAxis leftAxis = chart.getAxisLeft();
leftAxis.setEnabled(false);
YAxis rightAxis = chart.getAxisRight();
rightAxis.setEnabled(false);
// X axis to bottom
chart.getXAxis().setPosition(XAxis.XAxisPosition.BOTTOM);
chart.getLineData().setValueTextColor(ContextCompat.getColor(this.getActivity(), R.color.white)); // Change value color
chart.getXAxis().setGranularity(1);
chart.setViewPortOffsets(0,25,0,40);
chart.getDescription().setEnabled(false);
// Refresh graph
chart.animateX(500);
Do you guys have any idea of how to fix it? Thanks!
To avoid the first and last values from being clipped, use your_chart.xAxis.setAvoidFirstLastClipping(true)

How to create a long red line (limit line) in MPAndroidChart

I am using MPAndroidChart library version 2.2.4. My requirement is I want to set three marker lines in a BarChart with values "Minimum", "Average" and "Maximum" like in the image below, but I can't find any solution for this.
In MPAndroidChart 3.x.x what you are asking for is called a LimitLine
There is an example of how to consume it in the sample project:
LimitLine ll1 = new LimitLine(150f, "Upper Limit");
ll1.setLineWidth(4f);
ll1.enableDashedLine(10f, 10f, 0f);
ll1.setLabelPosition(LimitLabelPosition.RIGHT_TOP);
ll1.setTextSize(10f);
ll1.setTypeface(tf);
YAxis leftAxis = mChart.getAxisLeft();
leftAxis.removeAllLimitLines(); // reset all limit lines to avoid overlapping lines
leftAxis.addLimitLine(ll1);
If you require a customized limit line, you will have to look at the instructions in this question here

How to hide graph bottom labels in HorizontalBarChart?

I'm trying to hide the bottom labels from the HorizontalBarChart graph (in black border) using MPAndroidChart.
I tried setDrawLabels(false) for XAxis, YAxis left, YAxis right with no success.
What parameter should i change and set to false to hide this line?
It work when i disable the axis right from my horizontal bar chart.
// Right Y Axis
YAxis yr = chart.getAxisRight();
yr.setEnabled(false);
// yr.setDrawGridLines(false);
// yr.setDrawAxisLine(false);
// yr.disableGridDashedLine();
Try:
XAxis xl = chart.getXAxis();
//This will stop the grid lines from being drawn
xl.setDrawGridLines(false);
//This Will stop the labels from being drawn
xl.setDrawLabels(false);

Android MpLine chart y axis on top some is invisible

I'm using MpLine chart in my project. My problem is some times top part of y axis is not showing. In my xml I gave fixed height of 75dp to the graph. How can I make the graph to be shown within this height.Any help will appreciated and thanks in advance.
YAxis leftAxis = chart.getAxisLeft();
leftAxis.setAxisMaxValue(1000f); //to set max height place your value in place of 100f
leftAxis.setAxisMinValue(0f); // to set minimum yAxis place
Hope this helps! :)

MPAndroidChart Programmatically Change YAxis Range

Is there a way to programmatically change the YAxis Range of a chart in MPAndroidChart?
For instance, given the YAxis displays 0,10, I want to programmatically set the YAxis to -5,+5, but I want to do this several times during the course of an application.
From the documentation, I think you should give a try with a combination of :
setVisibleYRangeMaximum(float maxYRange, AxisDependency axis): Sets the size of the area (range on the y-axis) that should be maximum visible at once. You also need to provide the axis this constraint should apply to.
moveViewToY(float yValue, AxisDependency axis): Centers the viewport to the specified y-value on the provided y-axis (left or right).
Code for your example:
yourChart.setVisibleYRangeMaximum(10, YAxis.AxisDependency.LEFT);
yourChart.moveViewToY(0, YAxis.AxisDependency.LEFT);
yourChart.invalidate();

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