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Plot x,y,z #3

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96 changes: 72 additions & 24 deletions app/src/main/java/com/example/mbreath/realtimeaccelerometer/MainActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
import com.github.mikephil.charting.interfaces.datasets.ILineDataSet;
import com.github.mikephil.charting.utils.ColorTemplate;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity implements SensorEventListener {
Expand All @@ -39,6 +40,9 @@ protected void onCreate(Bundle savedInstanceState) {
setContentView(R.layout.activity_main);
mSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);

// if you wanna checkout gravity, set this "TYPE_ACCELEROMETER_UNCALIBRATED" flag and change
// the LeftAxis.setAxisMinimum to -13f
// mAccelerometer = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER_UNCALIBRATED);
mAccelerometer = mSensorManager.getDefaultSensor(Sensor.TYPE_LINEAR_ACCELERATION);

List<Sensor> sensors = mSensorManager.getSensorList(Sensor.TYPE_ALL);
Expand Down Expand Up @@ -71,7 +75,7 @@ protected void onCreate(Bundle savedInstanceState) {
mChart.setBackgroundColor(Color.WHITE);

LineData data = new LineData();
data.setValueTextColor(Color.WHITE);
data.setValueTextColor(Color.BLACK);

// add empty data
mChart.setData(data);
Expand All @@ -81,19 +85,19 @@ protected void onCreate(Bundle savedInstanceState) {

// modify the legend ...
l.setForm(Legend.LegendForm.LINE);
l.setTextColor(Color.WHITE);
l.setTextColor(Color.BLACK);

XAxis xl = mChart.getXAxis();
xl.setTextColor(Color.WHITE);
xl.setTextColor(Color.BLACK);
xl.setDrawGridLines(true);
xl.setAvoidFirstLastClipping(true);
xl.setEnabled(true);

YAxis leftAxis = mChart.getAxisLeft();
leftAxis.setTextColor(Color.WHITE);
leftAxis.setTextColor(Color.BLACK);
leftAxis.setDrawGridLines(false);
leftAxis.setAxisMaximum(10f);
leftAxis.setAxisMinimum(0f);
leftAxis.setAxisMinimum(-10f);
leftAxis.setDrawGridLines(true);

YAxis rightAxis = mChart.getAxisRight();
Expand All @@ -110,32 +114,76 @@ protected void onCreate(Bundle savedInstanceState) {
private void addEntry(SensorEvent event) {

LineData data = mChart.getData();

if (data != null) {

ILineDataSet set = data.getDataSetByIndex(0);
// set.addEntry(...); // can be called as well

if (set == null) {
set = createSet();
data.addDataSet(set);
LineData newData = createLinesSet();
mChart.setData(newData);
}
else{
ILineDataSet set1 = data.getDataSetByLabel("X",false);
ILineDataSet set2 = data.getDataSetByLabel("Y",false);
ILineDataSet set3 = data.getDataSetByLabel("Z",false);
set1.addEntry(new Entry(set1.getEntryCount(), event.values[0]));
set2.addEntry(new Entry(set2.getEntryCount(), event.values[1]));
set3.addEntry(new Entry(set3.getEntryCount(), -event.values[2]));
data.notifyDataChanged();
mChart.notifyDataSetChanged();
mChart.setVisibleXRangeMaximum(150);
mChart.moveViewToX(data.getEntryCount());
}
}
}

// data.addEntry(new Entry(set.getEntryCount(), (float) (Math.random() * 80) + 10f), 0);
data.addEntry(new Entry(set.getEntryCount(), event.values[0] + 5), 0);
data.notifyDataChanged();

// let the chart know it's data has changed
mChart.notifyDataSetChanged();

// limit the number of visible entries
mChart.setVisibleXRangeMaximum(150);
// mChart.setVisibleYRange(30, AxisDependency.LEFT);

// move to the latest entry
mChart.moveViewToX(data.getEntryCount());

}
private LineData createLinesSet() {
List<Entry> valsComp1 = new ArrayList<Entry>();
Entry c1e1 = new Entry(0f, 0f);
valsComp1.add(c1e1);
List<Entry> valsComp2 = new ArrayList<Entry>();
Entry c2e1 = new Entry(0f, 0f);
valsComp2.add(c2e1);
List<Entry> valsComp3 = new ArrayList<Entry>();
Entry c3e1 = new Entry(0f, 0f);
valsComp3.add(c3e1);

LineDataSet set1 = new LineDataSet(valsComp1, "X");
set1.setAxisDependency(YAxis.AxisDependency.LEFT);
set1.setLineWidth(3f);
set1.setColor(Color.MAGENTA);
set1.setHighlightEnabled(false);
set1.setDrawValues(false);
set1.setDrawCircles(false);
set1.setMode(LineDataSet.Mode.LINEAR);
set1.setCubicIntensity(0.2f);

LineDataSet set2 = new LineDataSet(valsComp2, "Y");
set2.setAxisDependency(YAxis.AxisDependency.LEFT);
set2.setLineWidth(3f);
set2.setColor(Color.BLUE);
set2.setHighlightEnabled(false);
set2.setDrawValues(false);
set2.setDrawCircles(false);
set2.setMode(LineDataSet.Mode.LINEAR);
set2.setCubicIntensity(0.2f);

LineDataSet set3 = new LineDataSet(valsComp3, "Z");
set3.setAxisDependency(YAxis.AxisDependency.LEFT);
set3.setLineWidth(3f);
set3.setColor(Color.BLACK);
set3.setHighlightEnabled(false);
set3.setDrawValues(false);
set3.setDrawCircles(false);
set3.setMode(LineDataSet.Mode.LINEAR);
set3.setCubicIntensity(0.2f);

List<ILineDataSet> dataSets = new ArrayList<ILineDataSet>();
dataSets.add(set1);
dataSets.add(set2);
dataSets.add(set3);
LineData output_data = new LineData(dataSets);
return output_data;
}

private LineDataSet createSet() {
Expand Down