| |
| package com.xxmassdeveloper.mpchartexample; |
| |
| import android.graphics.Color; |
| import android.graphics.Paint; |
| 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.CandleStickChart; |
| import com.github.mikephil.charting.components.XAxis; |
| import com.github.mikephil.charting.components.XAxis.XAxisPosition; |
| import com.github.mikephil.charting.components.YAxis; |
| import com.github.mikephil.charting.components.YAxis.AxisDependency; |
| import com.github.mikephil.charting.data.CandleData; |
| import com.github.mikephil.charting.data.CandleDataSet; |
| import com.github.mikephil.charting.data.CandleEntry; |
| import com.github.mikephil.charting.interfaces.datasets.ICandleDataSet; |
| import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase; |
| |
| import java.util.ArrayList; |
| |
| public class CandleStickChartActivity extends DemoBase implements OnSeekBarChangeListener { |
| |
| private CandleStickChart 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_candlechart); |
| |
| tvX = (TextView) findViewById(R.id.tvXMax); |
| tvY = (TextView) findViewById(R.id.tvYMax); |
| |
| mSeekBarX = (SeekBar) findViewById(R.id.seekBar1); |
| mSeekBarX.setOnSeekBarChangeListener(this); |
| |
| mSeekBarY = (SeekBar) findViewById(R.id.seekBar2); |
| mSeekBarY.setOnSeekBarChangeListener(this); |
| |
| mChart = (CandleStickChart) findViewById(R.id.chart1); |
| mChart.setBackgroundColor(Color.WHITE); |
| |
| mChart.setDescription(""); |
| |
| // if more than 60 entries are displayed in the chart, no values will be |
| // drawn |
| mChart.setMaxVisibleValueCount(60); |
| |
| // scaling can now only be done on x- and y-axis separately |
| mChart.setPinchZoom(false); |
| |
| mChart.setDrawGridBackground(false); |
| |
| XAxis xAxis = mChart.getXAxis(); |
| xAxis.setPosition(XAxisPosition.BOTTOM); |
| xAxis.setSpaceBetweenLabels(2); |
| xAxis.setDrawGridLines(false); |
| |
| YAxis leftAxis = mChart.getAxisLeft(); |
| // leftAxis.setEnabled(false); |
| leftAxis.setLabelCount(7, false); |
| leftAxis.setDrawGridLines(false); |
| leftAxis.setDrawAxisLine(false); |
| |
| YAxis rightAxis = mChart.getAxisRight(); |
| rightAxis.setEnabled(false); |
| // rightAxis.setStartAtZero(false); |
| |
| // setting data |
| mSeekBarX.setProgress(40); |
| mSeekBarY.setProgress(100); |
| |
| mChart.getLegend().setEnabled(false); |
| |
| // Legend l = mChart.getLegend(); |
| // l.setPosition(LegendPosition.BELOW_CHART_CENTER); |
| // l.setFormSize(8f); |
| // l.setFormToTextSpace(4f); |
| // l.setXEntrySpace(6f); |
| |
| // mChart.setDrawLegend(false); |
| } |
| |
| @Override |
| public boolean onCreateOptionsMenu(Menu menu) { |
| getMenuInflater().inflate(R.menu.candle, menu); |
| return true; |
| } |
| |
| @Override |
| public boolean onOptionsItemSelected(MenuItem item) { |
| |
| switch (item.getItemId()) { |
| case R.id.actionToggleHighlight: { |
| if(mChart.getData() != null) { |
| mChart.getData().setHighlightEnabled(!mChart.getData().isHighlightEnabled()); |
| 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.actionToggleMakeShadowSameColorAsCandle: { |
| for (ICandleDataSet set : mChart.getData().getDataSets()) { |
| //TODO: set.setShadowColorSameAsCandle(!set.getShadowColorSameAsCandle()); |
| } |
| |
| mChart.invalidate(); |
| 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.saveToGallery("title" + System.currentTimeMillis(), 50)) { |
| Toast.makeText(getApplicationContext(), "Saving SUCCESSFUL!", |
| Toast.LENGTH_SHORT).show(); |
| } else |
| Toast.makeText(getApplicationContext(), "Saving FAILED!", Toast.LENGTH_SHORT) |
| .show(); |
| break; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { |
| |
| int prog = (mSeekBarX.getProgress() + 1); |
| |
| tvX.setText("" + prog); |
| tvY.setText("" + (mSeekBarY.getProgress())); |
| |
| mChart.resetTracking(); |
| |
| ArrayList<CandleEntry> yVals1 = new ArrayList<CandleEntry>(); |
| |
| for (int i = 0; i < prog; i++) { |
| float mult = (mSeekBarY.getProgress() + 1); |
| float val = (float) (Math.random() * 40) + mult; |
| |
| float high = (float) (Math.random() * 9) + 8f; |
| float low = (float) (Math.random() * 9) + 8f; |
| |
| float open = (float) (Math.random() * 6) + 1f; |
| float close = (float) (Math.random() * 6) + 1f; |
| |
| boolean even = i % 2 == 0; |
| |
| yVals1.add(new CandleEntry(i, val + high, val - low, even ? val + open : val - open, |
| even ? val - close : val + close)); |
| } |
| |
| ArrayList<String> xVals = new ArrayList<String>(); |
| for (int i = 0; i < prog; i++) { |
| xVals.add("" + (1990 + i)); |
| } |
| |
| CandleDataSet set1 = new CandleDataSet(yVals1, "Data Set"); |
| set1.setAxisDependency(AxisDependency.LEFT); |
| // set1.setColor(Color.rgb(80, 80, 80)); |
| set1.setShadowColor(Color.DKGRAY); |
| set1.setShadowWidth(0.7f); |
| set1.setDecreasingColor(Color.RED); |
| set1.setDecreasingPaintStyle(Paint.Style.FILL); |
| set1.setIncreasingColor(Color.rgb(122, 242, 84)); |
| set1.setIncreasingPaintStyle(Paint.Style.STROKE); |
| set1.setNeutralColor(Color.BLUE); |
| //set1.setHighlightLineWidth(1f); |
| |
| CandleData data = new CandleData(xVals, set1); |
| |
| mChart.setData(data); |
| mChart.invalidate(); |
| } |
| |
| @Override |
| public void onStartTrackingTouch(SeekBar seekBar) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| @Override |
| public void onStopTrackingTouch(SeekBar seekBar) { |
| // TODO Auto-generated method stub |
| |
| } |
| } |