package com.xxmassdeveloper.mpchartexample;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
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.Legend;
import com.github.mikephil.charting.components.Legend.LegendForm;
import com.github.mikephil.charting.components.XAxis;
import com.github.mikephil.charting.components.YAxis;
import com.github.mikephil.charting.components.YAxis.AxisDependency;
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.highlight.Highlight;
import com.github.mikephil.charting.interfaces.datasets.ILineDataSet;
import com.github.mikephil.charting.listener.OnChartValueSelectedListener;
import com.github.mikephil.charting.utils.ColorTemplate;
import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase;
import java.util.ArrayList;
import java.util.List;
public class LineChartActivity2 extends DemoBase implements OnSeekBarChangeListener,
OnChartValueSelectedListener {
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.setOnChartValueSelectedListener(this);
// no description text
mChart.getDescription().setEnabled(false);
// enable touch gestures
mChart.setTouchEnabled(true);
mChart.setDragDecelerationFrictionCoef(0.9f);
// enable scaling and dragging
mChart.setDragEnabled(true);
mChart.setScaleEnabled(true);
mChart.setDrawGridBackground(false);
mChart.setHighlightPerDragEnabled(true);
// if disabled, scaling can be done on x- and y-axis separately
mChart.setPinchZoom(true);
// set an alternative background color
mChart.setBackgroundColor(Color.LTGRAY);
// add data
setData(20, 30);
mChart.animateX(2500);
// get the legend (only possible after setting data)
Legend l = mChart.getLegend();
// modify the legend ...
l.setForm(LegendForm.LINE);
l.setTypeface(mTfLight);
l.setTextSize(11f);
l.setTextColor(Color.WHITE);
l.setVerticalAlignment(Legend.LegendVerticalAlignment.BOTTOM);
l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.LEFT);
l.setOrientation(Legend.LegendOrientation.HORIZONTAL);
l.setDrawInside(false);
// l.setYOffset(11f);
XAxis xAxis = mChart.getXAxis();
xAxis.setTypeface(mTfLight);
xAxis.setTextSize(11f);
xAxis.setTextColor(Color.WHITE);
xAxis.setDrawGridLines(false);
xAxis.setDrawAxisLine(false);
YAxis leftAxis = mChart.getAxisLeft();
leftAxis.setTypeface(mTfLight);
leftAxis.setTextColor(ColorTemplate.getHoloBlue());
leftAxis.setAxisMaximum(200f);
leftAxis.setAxisMinimum(0f);
leftAxis.setDrawGridLines(true);
leftAxis.setGranularityEnabled(true);
YAxis rightAxis = mChart.getAxisRight();
rightAxis.setTypeface(mTfLight);
rightAxis.setTextColor(Color.RED);
rightAxis.setAxisMaximum(900);
rightAxis.setAxisMinimum(-200);
rightAxis.setDrawGridLines(false);
rightAxis.setDrawZeroLine(false);
rightAxis.setGranularityEnabled(false);
}
@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: {
List<ILineDataSet> sets = mChart.getData()
.getDataSets();
for (ILineDataSet iSet : sets) {
LineDataSet set = (LineDataSet) iSet;
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);
//mChart.highlightValue(9.7f, 1, false);
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();
}
private void setData(int count, float range) {
ArrayList<Entry> yVals1 = new ArrayList<Entry>();
for (int i = 0; i < count; i++) {
float mult = range / 2f;
float val = (float) (Math.random() * mult) + 50;
yVals1.add(new Entry(i, val));
}
ArrayList<Entry> yVals2 = new ArrayList<Entry>();
for (int i = 0; i < count-1; i++) {
float mult = range;
float val = (float) (Math.random() * mult) + 450;
yVals2.add(new Entry(i, val));
// if(i == 10) {
// yVals2.add(new Entry(i, val + 50));
// }
}
ArrayList<Entry> yVals3 = new ArrayList<Entry>();
for (int i = 0; i < count; i++) {
float mult = range;
float val = (float) (Math.random() * mult) + 500;
yVals3.add(new Entry(i, val));
}
LineDataSet set1, set2, set3;
if (mChart.getData() != null &&
mChart.getData().getDataSetCount() > 0) {
set1 = (LineDataSet) mChart.getData().getDataSetByIndex(0);
set2 = (LineDataSet) mChart.getData().getDataSetByIndex(1);
set3 = (LineDataSet) mChart.getData().getDataSetByIndex(2);
set1.setValues(yVals1);
set2.setValues(yVals2);
set3.setValues(yVals3);
mChart.getData().notifyDataChanged();
mChart.notifyDataSetChanged();
} else {
// create a dataset and give it a type
set1 = new LineDataSet(yVals1, "DataSet 1");
set1.setAxisDependency(AxisDependency.LEFT);
set1.setColor(ColorTemplate.getHoloBlue());
set1.setCircleColor(Color.WHITE);
set1.setLineWidth(2f);
set1.setCircleRadius(3f);
set1.setFillAlpha(65);
set1.setFillColor(ColorTemplate.getHoloBlue());
set1.setHighLightColor(Color.rgb(244, 117, 117));
set1.setDrawCircleHole(false);
//set1.setFillFormatter(new MyFillFormatter(0f));
//set1.setDrawHorizontalHighlightIndicator(false);
//set1.setVisible(false);
//set1.setCircleHoleColor(Color.WHITE);
// create a dataset and give it a type
set2 = new LineDataSet(yVals2, "DataSet 2");
set2.setAxisDependency(AxisDependency.RIGHT);
set2.setColor(Color.RED);
set2.setCircleColor(Color.WHITE);
set2.setLineWidth(2f);
set2.setCircleRadius(3f);
set2.setFillAlpha(65);
set2.setFillColor(Color.RED);
set2.setDrawCircleHole(false);
set2.setHighLightColor(Color.rgb(244, 117, 117));
//set2.setFillFormatter(new MyFillFormatter(900f));
set3 = new LineDataSet(yVals3, "DataSet 3");
set3.setAxisDependency(AxisDependency.RIGHT);
set3.setColor(Color.YELLOW);
set3.setCircleColor(Color.WHITE);
set3.setLineWidth(2f);
set3.setCircleRadius(3f);
set3.setFillAlpha(65);
set3.setFillColor(ColorTemplate.colorWithAlpha(Color.YELLOW, 200));
set3.setDrawCircleHole(false);
set3.setHighLightColor(Color.rgb(244, 117, 117));
// create a data object with the datasets
LineData data = new LineData(set1, set2, set3);
data.setValueTextColor(Color.WHITE);
data.setValueTextSize(9f);
// set data
mChart.setData(data);
}
}
@Override
public void onValueSelected(Entry e, Highlight h) {
Log.i("Entry selected", e.toString());
mChart.centerViewToAnimated(e.getX(), e.getY(), mChart.getData().getDataSetByIndex(h.getDataSetIndex())
.getAxisDependency(), 500);
//mChart.zoomAndCenterAnimated(2.5f, 2.5f, e.getX(), e.getY(), mChart.getData().getDataSetByIndex(dataSetIndex)
// .getAxisDependency(), 1000);
//mChart.zoomAndCenterAnimated(1.8f, 1.8f, e.getX(), e.getY(), mChart.getData().getDataSetByIndex(dataSetIndex)
// .getAxisDependency(), 1000);
}
@Override
public void onNothingSelected() {
Log.i("Nothing selected", "Nothing selected.");
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
}