package com.xxmassdeveloper.mpchartexample;
import android.graphics.Color;
import android.graphics.DashPathEffect;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.support.v4.content.ContextCompat;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
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.animation.Easing;
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.LimitLine;
import com.github.mikephil.charting.components.LimitLine.LimitLabelPosition;
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.highlight.Highlight;
import com.github.mikephil.charting.interfaces.datasets.ILineDataSet;
import com.github.mikephil.charting.listener.ChartTouchListener;
import com.github.mikephil.charting.listener.OnChartGestureListener;
import com.github.mikephil.charting.listener.OnChartValueSelectedListener;
import com.github.mikephil.charting.utils.Utils;
import com.xxmassdeveloper.mpchartexample.custom.MyMarkerView;
import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase;
import java.util.ArrayList;
import java.util.List;
public class LineChartActivity1 extends DemoBase implements OnSeekBarChangeListener,
OnChartGestureListener, 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.setOnChartGestureListener(this);
mChart.setOnChartValueSelectedListener(this);
mChart.setDrawGridBackground(false);
// no description text
mChart.getDescription().setEnabled(false);
// enable touch gestures
mChart.setTouchEnabled(true);
// enable scaling and dragging
mChart.setDragEnabled(true);
mChart.setScaleEnabled(true);
// mChart.setScaleXEnabled(true);
// mChart.setScaleYEnabled(true);
// if disabled, scaling can be done on x- and y-axis separately
mChart.setPinchZoom(true);
// set an alternative background color
// mChart.setBackgroundColor(Color.GRAY);
// create a custom MarkerView (extend MarkerView) and specify the layout
// to use for it
MyMarkerView mv = new MyMarkerView(this, R.layout.custom_marker_view);
mv.setChartView(mChart); // For bounds control
mChart.setMarker(mv); // Set the marker to the chart
// x-axis limit line
LimitLine llXAxis = new LimitLine(10f, "Index 10");
llXAxis.setLineWidth(4f);
llXAxis.enableDashedLine(10f, 10f, 0f);
llXAxis.setLabelPosition(LimitLabelPosition.RIGHT_BOTTOM);
llXAxis.setTextSize(10f);
XAxis xAxis = mChart.getXAxis();
xAxis.enableGridDashedLine(10f, 10f, 0f);
//xAxis.setValueFormatter(new MyCustomXAxisValueFormatter());
//xAxis.addLimitLine(llXAxis); // add x-axis limit line
Typeface tf = Typeface.createFromAsset(getAssets(), "OpenSans-Regular.ttf");
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);
LimitLine ll2 = new LimitLine(-30f, "Lower Limit");
ll2.setLineWidth(4f);
ll2.enableDashedLine(10f, 10f, 0f);
ll2.setLabelPosition(LimitLabelPosition.RIGHT_BOTTOM);
ll2.setTextSize(10f);
ll2.setTypeface(tf);
YAxis leftAxis = mChart.getAxisLeft();
leftAxis.removeAllLimitLines(); // reset all limit lines to avoid overlapping lines
leftAxis.addLimitLine(ll1);
leftAxis.addLimitLine(ll2);
leftAxis.setAxisMaximum(200f);
leftAxis.setAxisMinimum(-50f);
//leftAxis.setYOffset(20f);
leftAxis.enableGridDashedLine(10f, 10f, 0f);
leftAxis.setDrawZeroLine(false);
// limit lines are drawn behind data (and not on top)
leftAxis.setDrawLimitLinesBehindData(true);
mChart.getAxisRight().setEnabled(false);
//mChart.getViewPortHandler().setMaximumScaleY(2f);
//mChart.getViewPortHandler().setMaximumScaleX(2f);
// add data
setData(45, 100);
// mChart.setVisibleXRange(20);
// mChart.setVisibleYRange(20f, AxisDependency.LEFT);
// mChart.centerViewTo(20, 50, AxisDependency.LEFT);
mChart.animateX(2500);
//mChart.invalidate();
// get the legend (only possible after setting data)
Legend l = mChart.getLegend();
// modify the legend ...
l.setForm(LegendForm.LINE);
// // dont forget to refresh the drawing
// mChart.invalidate();
}
@Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
}
@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.actionToggleIcons: {
List<ILineDataSet> sets = mChart.getData()
.getDataSets();
for (ILineDataSet iSet : sets) {
LineDataSet set = (LineDataSet) iSet;
set.setDrawIcons(!set.isDrawIconsEnabled());
}
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, Easing.EasingOption.EaseInCubic);
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> values = new ArrayList<Entry>();
for (int i = 0; i < count; i++) {
float val = (float) (Math.random() * range) + 3;
values.add(new Entry(i, val, getResources().getDrawable(R.drawable.star)));
}
LineDataSet set1;
if (mChart.getData() != null &&
mChart.getData().getDataSetCount() > 0) {
set1 = (LineDataSet)mChart.getData().getDataSetByIndex(0);
set1.setValues(values);
mChart.getData().notifyDataChanged();
mChart.notifyDataSetChanged();
} else {
// create a dataset and give it a type
set1 = new LineDataSet(values, "DataSet 1");
set1.setDrawIcons(false);
// set the line to be drawn like this "- - - - - -"
set1.enableDashedLine(10f, 5f, 0f);
set1.enableDashedHighlightLine(10f, 5f, 0f);
set1.setColor(Color.BLACK);
set1.setCircleColor(Color.BLACK);
set1.setLineWidth(1f);
set1.setCircleRadius(3f);
set1.setDrawCircleHole(false);
set1.setValueTextSize(9f);
set1.setDrawFilled(true);
set1.setFormLineWidth(1f);
set1.setFormLineDashEffect(new DashPathEffect(new float[]{10f, 5f}, 0f));
set1.setFormSize(15.f);
if (Utils.getSDKInt() >= 18) {
// fill drawable only supported on api level 18 and above
Drawable drawable = ContextCompat.getDrawable(this, R.drawable.fade_red);
set1.setFillDrawable(drawable);
}
else {
set1.setFillColor(Color.BLACK);
}
ArrayList<ILineDataSet> dataSets = new ArrayList<ILineDataSet>();
dataSets.add(set1); // add the datasets
// create a data object with the datasets
LineData data = new LineData(dataSets);
// set data
mChart.setData(data);
}
}
@Override
public void onChartGestureStart(MotionEvent me, ChartTouchListener.ChartGesture lastPerformedGesture) {
Log.i("Gesture", "START, x: " + me.getX() + ", y: " + me.getY());
}
@Override
public void onChartGestureEnd(MotionEvent me, ChartTouchListener.ChartGesture lastPerformedGesture) {
Log.i("Gesture", "END, lastGesture: " + lastPerformedGesture);
// un-highlight values after the gesture is finished and no single-tap
if(lastPerformedGesture != ChartTouchListener.ChartGesture.SINGLE_TAP)
mChart.highlightValues(null); // or highlightTouch(null) for callback to onNothingSelected(...)
}
@Override
public void onChartLongPressed(MotionEvent me) {
Log.i("LongPress", "Chart longpressed.");
}
@Override
public void onChartDoubleTapped(MotionEvent me) {
Log.i("DoubleTap", "Chart double-tapped.");
}
@Override
public void onChartSingleTapped(MotionEvent me) {
Log.i("SingleTap", "Chart single-tapped.");
}
@Override
public void onChartFling(MotionEvent me1, MotionEvent me2, float velocityX, float velocityY) {
Log.i("Fling", "Chart flinged. VeloX: " + velocityX + ", VeloY: " + velocityY);
}
@Override
public void onChartScale(MotionEvent me, float scaleX, float scaleY) {
Log.i("Scale / Zoom", "ScaleX: " + scaleX + ", ScaleY: " + scaleY);
}
@Override
public void onChartTranslate(MotionEvent me, float dX, float dY) {
Log.i("Translate / Move", "dX: " + dX + ", dY: " + dY);
}
@Override
public void onValueSelected(Entry e, Highlight h) {
Log.i("Entry selected", e.toString());
Log.i("LOWHIGH", "low: " + mChart.getLowestVisibleX() + ", high: " + mChart.getHighestVisibleX());
Log.i("MIN MAX", "xmin: " + mChart.getXChartMin() + ", xmax: " + mChart.getXChartMax() + ", ymin: " + mChart.getYChartMin() + ", ymax: " + mChart.getYChartMax());
}
@Override
public void onNothingSelected() {
Log.i("Nothing selected", "Nothing selected.");
}
}