package com.xxmassdeveloper.mpchartexample;
import android.graphics.Color;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.WindowManager;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
import android.widget.Toast;
import com.github.mikephil.charting.charts.LineChart;
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.IDataSet;
import com.github.mikephil.charting.interfaces.datasets.ILineDataSet;
import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase;
import java.util.ArrayList;
import java.util.List;
public class CubicLineChartActivity extends DemoBase implements OnSeekBarChangeListener {
private LineChart mChart;
private SeekBar mSeekBarX, mSeekBarY;
private TextView tvX, tvY;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_linechart);
tvX = (TextView) findViewById(R.id.tvXMax);
tvY = (TextView) findViewById(R.id.tvYMax);
mSeekBarX = (SeekBar) findViewById(R.id.seekBar1);
mSeekBarY = (SeekBar) findViewById(R.id.seekBar2);
mSeekBarX.setProgress(45);
mSeekBarY.setProgress(100);
mSeekBarY.setOnSeekBarChangeListener(this);
mSeekBarX.setOnSeekBarChangeListener(this);
mChart = (LineChart) findViewById(R.id.chart1);
mChart.setViewPortOffsets(0, 0, 0, 0);
mChart.setBackgroundColor(Color.rgb(104, 241, 175));
// no description text
mChart.getDescription().setEnabled(false);
// enable touch gestures
mChart.setTouchEnabled(true);
// enable scaling and dragging
mChart.setDragEnabled(true);
mChart.setScaleEnabled(true);
// if disabled, scaling can be done on x- and y-axis separately
mChart.setPinchZoom(false);
mChart.setDrawGridBackground(false);
mChart.setMaxHighlightDistance(300);
XAxis x = mChart.getXAxis();
x.setEnabled(false);
YAxis y = mChart.getAxisLeft();
y.setTypeface(mTfLight);
y.setLabelCount(6, false);
y.setTextColor(Color.WHITE);
y.setPosition(YAxis.YAxisLabelPosition.INSIDE_CHART);
y.setDrawGridLines(false);
y.setAxisLineColor(Color.WHITE);
mChart.getAxisRight().setEnabled(false);
// add data
setData(45, 100);
mChart.getLegend().setEnabled(false);
mChart.animateXY(2000, 2000);
// dont forget to refresh the drawing
mChart.invalidate();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.line, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.actionToggleValues: {
for (IDataSet set : mChart.getData().getDataSets())
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.actionToggleFilled: {
List<ILineDataSet> sets = mChart.getData()
.getDataSets();
for (ILineDataSet iSet : sets) {
LineDataSet set = (LineDataSet) iSet;
if (set.isDrawFilledEnabled())
set.setDrawFilled(false);
else
set.setDrawFilled(true);
}
mChart.invalidate();
break;
}
case R.id.actionToggleCircles: {
List<ILineDataSet> sets = mChart.getData()
.getDataSets();
for (ILineDataSet iSet : sets) {
LineDataSet set = (LineDataSet) iSet;
if (set.isDrawCirclesEnabled())
set.setDrawCircles(false);
else
set.setDrawCircles(true);
}
mChart.invalidate();
break;
}
case R.id.actionToggleCubic: {
List<ILineDataSet> sets = mChart.getData()
.getDataSets();
for (ILineDataSet iSet : sets) {
LineDataSet set = (LineDataSet) iSet;
set.setMode(set.getMode() == LineDataSet.Mode.CUBIC_BEZIER
? LineDataSet.Mode.LINEAR
: LineDataSet.Mode.CUBIC_BEZIER);
}
mChart.invalidate();
break;
}
case R.id.actionToggleStepped: {
List<ILineDataSet> sets = mChart.getData()
.getDataSets();
for (ILineDataSet iSet : sets) {
LineDataSet set = (LineDataSet) iSet;
set.setMode(set.getMode() == LineDataSet.Mode.STEPPED
? LineDataSet.Mode.LINEAR
: LineDataSet.Mode.STEPPED);
}
mChart.invalidate();
break;
}
case R.id.actionToggleHorizontalCubic: {
List<ILineDataSet> sets = mChart.getData()
.getDataSets();
for (ILineDataSet iSet : sets) {
LineDataSet set = (LineDataSet) iSet;
set.setMode(set.getMode() == LineDataSet.Mode.HORIZONTAL_BEZIER
? LineDataSet.Mode.LINEAR
: LineDataSet.Mode.HORIZONTAL_BEZIER);
}
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.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.actionSave: {
if (mChart.saveToPath("title" + System.currentTimeMillis(), "")) {
Toast.makeText(getApplicationContext(), "Saving SUCCESSFUL!",
Toast.LENGTH_SHORT).show();
} else
Toast.makeText(getApplicationContext(), "Saving FAILED!", Toast.LENGTH_SHORT)
.show();
// mChart.saveToGallery("title"+System.currentTimeMillis())
break;
}
}
return true;
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
tvX.setText("" + (mSeekBarX.getProgress() + 1));
tvY.setText("" + (mSeekBarY.getProgress()));
setData(mSeekBarX.getProgress() + 1, mSeekBarY.getProgress());
// redraw
mChart.invalidate();
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
private void setData(int count, float range) {
ArrayList<Entry> yVals = new ArrayList<Entry>();
for (int i = 0; i < count; i++) {
float mult = (range + 1);
float val = (float) (Math.random() * mult) + 20;// + (float)
// ((mult *
// 0.1) / 10);
yVals.add(new Entry(i, val));
}
LineDataSet set1;
if (mChart.getData() != null &&
mChart.getData().getDataSetCount() > 0) {
set1 = (LineDataSet)mChart.getData().getDataSetByIndex(0);
set1.setValues(yVals);
mChart.getData().notifyDataChanged();
mChart.notifyDataSetChanged();
} else {
// create a dataset and give it a type
set1 = new LineDataSet(yVals, "DataSet 1");
set1.setMode(LineDataSet.Mode.CUBIC_BEZIER);
set1.setCubicIntensity(0.2f);
//set1.setDrawFilled(true);
set1.setDrawCircles(false);
set1.setLineWidth(1.8f);
set1.setCircleRadius(4f);
set1.setCircleColor(Color.WHITE);
set1.setHighLightColor(Color.rgb(244, 117, 117));
set1.setColor(Color.WHITE);
set1.setFillColor(Color.WHITE);
set1.setFillAlpha(100);
set1.setDrawHorizontalHighlightIndicator(false);
set1.setFillFormatter(new IFillFormatter() {
@Override
public float getFillLinePosition(ILineDataSet dataSet, LineDataProvider dataProvider) {
return -10;
}
});
// create a data object with the datasets
LineData data = new LineData(set1);
data.setValueTypeface(mTfLight);
data.setValueTextSize(9f);
data.setDrawValues(false);
// set data
mChart.setData(data);
}
}
}