| |
| 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.Legend.LegendPosition; |
| 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.setDescription(""); |
| mChart.setNoDataTextDescription("You need to provide data for the chart."); |
| |
| // 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.setPosition(LegendPosition.LEFT_OF_CHART); |
| l.setForm(LegendForm.LINE); |
| l.setTypeface(mTfLight); |
| l.setTextSize(11f); |
| l.setTextColor(Color.WHITE); |
| l.setPosition(LegendPosition.BELOW_CHART_LEFT); |
| // 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.setAxisMaxValue(200f); |
| leftAxis.setAxisMinValue(0f); |
| leftAxis.setDrawGridLines(true); |
| leftAxis.setGranularityEnabled(true); |
| |
| YAxis rightAxis = mChart.getAxisRight(); |
| rightAxis.setTypeface(mTfLight); |
| rightAxis.setTextColor(Color.RED); |
| rightAxis.setAxisMaxValue(900); |
| rightAxis.setAxisMinValue(-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); |
| 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;// + (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 mult = range; |
| float val = (float) (Math.random() * mult) + 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(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)); |
| |
| 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.setValueTextColor(Color.WHITE); |
| data.setValueTextSize(9f); |
| |
| // set data |
| mChart.setData(data); |
| } |
| } |
| |
| @Override |
| public void onValueSelected(Entry e, int dataSetIndex, Highlight h) { |
| Log.i("Entry selected", e.toString()); |
| |
| mChart.centerViewToAnimated(e.getX(), e.getY(), mChart.getData().getDataSetByIndex(dataSetIndex).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 |
| |
| } |
| } |
