package com.xxmassdeveloper.mpchartexample;
import android.graphics.Color;
import android.os.Bundle;
import android.view.WindowManager;
import com.github.mikephil.charting.charts.LineChart;
import com.github.mikephil.charting.components.Legend;
import com.github.mikephil.charting.components.XAxis;
import com.github.mikephil.charting.components.YAxis;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.data.LineData;
import com.github.mikephil.charting.data.LineDataSet;
import com.github.mikephil.charting.formatter.IFillFormatter;
import com.github.mikephil.charting.interfaces.dataprovider.LineDataProvider;
import com.github.mikephil.charting.interfaces.datasets.ILineDataSet;
import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase;
import java.util.ArrayList;
public class FilledLineActivity extends DemoBase {
private LineChart mChart;
private int mFillColor = Color.argb(150, 51, 181, 229);
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_linechart_noseekbar);
mChart = (LineChart) findViewById(R.id.chart1);
mChart.setBackgroundColor(Color.WHITE);
mChart.setGridBackgroundColor(mFillColor);
mChart.setDrawGridBackground(true);
mChart.setDrawBorders(true);
// no description text
mChart.getDescription().setEnabled(false);
// if disabled, scaling can be done on x- and y-axis separately
mChart.setPinchZoom(false);
Legend l = mChart.getLegend();
l.setEnabled(false);
XAxis xAxis = mChart.getXAxis();
xAxis.setEnabled(false);
YAxis leftAxis = mChart.getAxisLeft();
leftAxis.setAxisMaximum(900f);
leftAxis.setAxisMinimum(-250f);
leftAxis.setDrawAxisLine(false);
leftAxis.setDrawZeroLine(false);
leftAxis.setDrawGridLines(false);
mChart.getAxisRight().setEnabled(false);
// add data
setData(100, 60);
mChart.invalidate();
}
private void setData(int count, float range) {
ArrayList<Entry> yVals1 = new ArrayList<Entry>();
for (int i = 0; i < count; i++) {
float val = (float) (Math.random() * range) + 50;// + (float)
// ((mult *
// 0.1) / 10);
yVals1.add(new Entry(i, val));
}
ArrayList<Entry> yVals2 = new ArrayList<Entry>();
for (int i = 0; i < count; i++) {
float val = (float) (Math.random() * range) + 450;// + (float)
// ((mult *
// 0.1) / 10);
yVals2.add(new Entry(i, val));
}
LineDataSet set1, set2;
if (mChart.getData() != null &&
mChart.getData().getDataSetCount() > 0) {
set1 = (LineDataSet)mChart.getData().getDataSetByIndex(0);
set2 = (LineDataSet)mChart.getData().getDataSetByIndex(1);
set1.setValues(yVals1);
set2.setValues(yVals2);
mChart.getData().notifyDataChanged();
mChart.notifyDataSetChanged();
} else {
// create a dataset and give it a type
set1 = new LineDataSet(yVals1, "DataSet 1");
set1.setAxisDependency(YAxis.AxisDependency.LEFT);
set1.setColor(Color.rgb(255, 241, 46));
set1.setDrawCircles(false);
set1.setLineWidth(2f);
set1.setCircleRadius(3f);
set1.setFillAlpha(255);
set1.setDrawFilled(true);
set1.setFillColor(Color.WHITE);
set1.setHighLightColor(Color.rgb(244, 117, 117));
set1.setDrawCircleHole(false);
set1.setFillFormatter(new IFillFormatter() {
@Override
public float getFillLinePosition(ILineDataSet dataSet, LineDataProvider dataProvider) {
return mChart.getAxisLeft().getAxisMinimum();
}
});
// create a dataset and give it a type
set2 = new LineDataSet(yVals2, "DataSet 2");
set2.setAxisDependency(YAxis.AxisDependency.LEFT);
set2.setColor(Color.rgb(255, 241, 46));
set2.setDrawCircles(false);
set2.setLineWidth(2f);
set2.setCircleRadius(3f);
set2.setFillAlpha(255);
set2.setDrawFilled(true);
set2.setFillColor(Color.WHITE);
set2.setDrawCircleHole(false);
set2.setHighLightColor(Color.rgb(244, 117, 117));
set2.setFillFormatter(new IFillFormatter() {
@Override
public float getFillLinePosition(ILineDataSet dataSet, LineDataProvider dataProvider) {
return mChart.getAxisLeft().getAxisMaximum();
}
});
ArrayList<ILineDataSet> dataSets = new ArrayList<ILineDataSet>();
dataSets.add(set1); // add the datasets
dataSets.add(set2);
// create a data object with the datasets
LineData data = new LineData(dataSets);
data.setDrawValues(false);
// set data
mChart.setData(data);
}
}
}