Java Code Examples for lecho.lib.hellocharts.model.Axis#setName()
The following examples show how to use
lecho.lib.hellocharts.model.Axis#setName() .
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Example 1
| Source File: ComboLineColumnChartActivity.java From hellocharts-android with Apache License 2.0 | 6 votes |
|
private void generateData() {
// Chart looks the best when line data and column data have similar maximum viewports.
data = new ComboLineColumnChartData(generateColumnData(), generateLineData());
if (hasAxes) {
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("Axis X");
axisY.setName("Axis Y");
}
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
} else {
data.setAxisXBottom(null);
data.setAxisYLeft(null);
}
chart.setComboLineColumnChartData(data);
}
Example 2
| Source File: ClimateFragment.java From homeassist with Apache License 2.0 | 5 votes |
|
private Axis getXAxis(ArrayList<DataItem> data) {
long startTime = data.get(0).getXValue();
long endTime = data.get(data.size() - 1).getXValue();
long step = (endTime - startTime) / 10;
List<AxisValue> xValues = new ArrayList<>();
SimpleDateFormat df2 = new SimpleDateFormat("HH:mm", Locale.ENGLISH);
for (long i = startTime; i < endTime; i += step) {
xValues.add(new AxisValue(i).setLabel(df2.format(new Date(i))));
}
xValues.add(new AxisValue(endTime).setLabel(df2.format(new Date(endTime))));
Axis axisX = new Axis(xValues);
axisX.setName("Time (Last 24 Hours)");
return axisX;
}
Example 3
| Source File: BubbleChartActivity.java From hellocharts-android with Apache License 2.0 | 5 votes |
|
private void generateData() {
List<BubbleValue> values = new ArrayList<BubbleValue>();
for (int i = 0; i < BUBBLES_NUM; ++i) {
BubbleValue value = new BubbleValue(i, (float) Math.random() * 100, (float) Math.random() * 1000);
value.setColor(ChartUtils.pickColor());
value.setShape(shape);
values.add(value);
}
data = new BubbleChartData(values);
data.setHasLabels(hasLabels);
data.setHasLabelsOnlyForSelected(hasLabelForSelected);
if (hasAxes) {
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("Axis X");
axisY.setName("Axis Y");
}
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
} else {
data.setAxisXBottom(null);
data.setAxisYLeft(null);
}
chart.setBubbleChartData(data);
}
Example 4
| Source File: ColumnChartActivity.java From hellocharts-android with Apache License 2.0 | 5 votes |
|
private void generateNegativeSubcolumnsData() {
int numSubcolumns = 4;
int numColumns = 4;
List<Column> columns = new ArrayList<Column>();
List<SubcolumnValue> values;
for (int i = 0; i < numColumns; ++i) {
values = new ArrayList<SubcolumnValue>();
for (int j = 0; j < numSubcolumns; ++j) {
int sign = getSign();
values.add(new SubcolumnValue((float) Math.random() * 50f * sign + 5 * sign, ChartUtils.pickColor
()));
}
Column column = new Column(values);
column.setHasLabels(hasLabels);
column.setHasLabelsOnlyForSelected(hasLabelForSelected);
columns.add(column);
}
data = new ColumnChartData(columns);
if (hasAxes) {
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("Axis X");
axisY.setName("Axis Y");
}
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
} else {
data.setAxisXBottom(null);
data.setAxisYLeft(null);
}
chart.setColumnChartData(data);
}
Example 5
| Source File: DataChartActivity.java From Memory-capsule with Apache License 2.0 | 5 votes |
|
private void initColumnChart(){//创建柱状图
columnChartView=new ColumnChartView(this);
int columnWidth=(int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,400, getResources().getDisplayMetrics());
int columnHeigth=(int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,400, getResources().getDisplayMetrics());
RelativeLayout.LayoutParams columnChartParams=new RelativeLayout.LayoutParams(columnWidth,columnHeigth);
columnChartParams.addRule(RelativeLayout.CENTER_HORIZONTAL);
columnChartParams.addRule(RelativeLayout.CENTER_VERTICAL);
List<Column>columnList=new ArrayList<>();
List<SubcolumnValue> values;
for (int i=0;i<5;++i){
values=new ArrayList<SubcolumnValue>();
values.add(new SubcolumnValue((float)typesNum.get(i),colorData[i]));
Column column=new Column(values);
column.setHasLabels(false);
column.setHasLabelsOnlyForSelected(true);
columnList.add(column);
}
ColumnChartData columnChartData=new ColumnChartData(columnList);
Axis axis=new Axis();
Axis axiy=new Axis().setHasLines(true);
List<AxisValue>axisValues=new ArrayList<>();
for (int j=0;j<5;++j){
axisValues.add(new AxisValue(j).setLabel(stateChar[j]));
}
axis.setValues(axisValues);
axis.setName("类别");
axiy.setName("数量");
columnChartData.setAxisXBottom(axis);
columnChartData.setAxisYLeft(axiy);
columnChartView.setColumnChartData(columnChartData);
relativeLayout.addView(columnChartView,columnChartParams);
}
Example 6
| Source File: ColumnChartActivity.java From hellocharts-android with Apache License 2.0 | 5 votes |
|
private void generateDefaultData() {
int numSubcolumns = 1;
int numColumns = 8;
// Column can have many subcolumns, here by default I use 1 subcolumn in each of 8 columns.
List<Column> columns = new ArrayList<Column>();
List<SubcolumnValue> values;
for (int i = 0; i < numColumns; ++i) {
values = new ArrayList<SubcolumnValue>();
for (int j = 0; j < numSubcolumns; ++j) {
values.add(new SubcolumnValue((float) Math.random() * 50f + 5, ChartUtils.pickColor()));
}
Column column = new Column(values);
column.setHasLabels(hasLabels);
column.setHasLabelsOnlyForSelected(hasLabelForSelected);
columns.add(column);
}
data = new ColumnChartData(columns);
if (hasAxes) {
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("Axis X");
axisY.setName("Axis Y");
}
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
} else {
data.setAxisXBottom(null);
data.setAxisYLeft(null);
}
chart.setColumnChartData(data);
}
Example 7
| Source File: ColumnChartActivity.java From hellocharts-android with Apache License 2.0 | 5 votes |
|
/**
* Generates columns with subcolumns, columns have larger separation than subcolumns.
*/
private void generateSubcolumnsData() {
int numSubcolumns = 4;
int numColumns = 4;
// Column can have many subcolumns, here I use 4 subcolumn in each of 8 columns.
List<Column> columns = new ArrayList<Column>();
List<SubcolumnValue> values;
for (int i = 0; i < numColumns; ++i) {
values = new ArrayList<SubcolumnValue>();
for (int j = 0; j < numSubcolumns; ++j) {
values.add(new SubcolumnValue((float) Math.random() * 50f + 5, ChartUtils.pickColor()));
}
Column column = new Column(values);
column.setHasLabels(hasLabels);
column.setHasLabelsOnlyForSelected(hasLabelForSelected);
columns.add(column);
}
data = new ColumnChartData(columns);
if (hasAxes) {
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("Axis X");
axisY.setName("Axis Y");
}
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
} else {
data.setAxisXBottom(null);
data.setAxisYLeft(null);
}
chart.setColumnChartData(data);
}
Example 8
| Source File: CalibrationGraph.java From xDrip-Experimental with GNU General Public License v3.0 | 4 votes |
|
public void setupCharts() {
chart = (LineChartView) findViewById(R.id.chart);
List<Line> lines = new ArrayList<Line>();
Calibration calibration = Calibration.last();
if(calibration != null) {
//set header
DecimalFormat df = new DecimalFormat("#");
df.setMaximumFractionDigits(2);
df.setMinimumFractionDigits(2);
String Header = "slope = " + df.format(calibration.slope) + " intercept = " + df.format(calibration.intercept);
GraphHeader.setText(Header);
//red line
List<PointValue> lineValues = new ArrayList<PointValue>();
lineValues.add(new PointValue((float) start_x, (float) (start_x * calibration.slope + calibration.intercept)));
lineValues.add(new PointValue((float) end_x, (float) (end_x * calibration.slope + calibration.intercept)));
Line calibrationLine = new Line(lineValues);
calibrationLine.setColor(ChartUtils.COLOR_RED);
calibrationLine.setHasLines(true);
calibrationLine.setHasPoints(false);
//calibration values
List<Calibration> calibrations = Calibration.allForSensor();
Line greyLine = getCalibrationsLine(calibrations, Color.parseColor("#66FFFFFF"));
calibrations = Calibration.allForSensorInLastFourDays();
Line blueLine = getCalibrationsLine(calibrations, ChartUtils.COLOR_BLUE);
//add lines in order
lines.add(greyLine);
lines.add(blueLine);
lines.add(calibrationLine);
}
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
axisX.setName("Raw Value");
axisY.setName("BG");
data = new LineChartData(lines);
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
chart.setLineChartData(data);
}
Example 9
| Source File: LineChartActivity.java From hellocharts-android with Apache License 2.0 | 4 votes |
|
private void generateData() {
List<Line> lines = new ArrayList<Line>();
for (int i = 0; i < numberOfLines; ++i) {
List<PointValue> values = new ArrayList<PointValue>();
for (int j = 0; j < numberOfPoints; ++j) {
values.add(new PointValue(j, randomNumbersTab[i][j]));
}
Line line = new Line(values);
line.setColor(ChartUtils.COLORS[i]);
line.setShape(shape);
line.setCubic(isCubic);
line.setFilled(isFilled);
line.setHasLabels(hasLabels);
line.setHasLabelsOnlyForSelected(hasLabelForSelected);
line.setHasLines(hasLines);
line.setHasPoints(hasPoints);
line.setHasGradientToTransparent(hasGradientToTransparent);
if (pointsHaveDifferentColor){
line.setPointColor(ChartUtils.COLORS[(i + 1) % ChartUtils.COLORS.length]);
}
lines.add(line);
}
data = new LineChartData(lines);
if (hasAxes) {
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("Axis X");
axisY.setName("Axis Y");
}
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
} else {
data.setAxisXBottom(null);
data.setAxisYLeft(null);
}
data.setBaseValue(Float.NEGATIVE_INFINITY);
chart.setLineChartData(data);
}
Example 10
| Source File: ColumnChartActivity.java From hellocharts-android with Apache License 2.0 | 4 votes |
|
private void generateNegativeStackedData() {
int numSubcolumns = 4;
int numColumns = 8;
// Column can have many stacked subcolumns, here I use 4 stacke subcolumn in each of 4 columns.
List<Column> columns = new ArrayList<Column>();
List<SubcolumnValue> values;
for (int i = 0; i < numColumns; ++i) {
values = new ArrayList<SubcolumnValue>();
for (int j = 0; j < numSubcolumns; ++j) {
int sign = getSign();
values.add(new SubcolumnValue((float) Math.random() * 20f * sign + 5 * sign, ChartUtils.pickColor()));
}
Column column = new Column(values);
column.setHasLabels(hasLabels);
column.setHasLabelsOnlyForSelected(hasLabelForSelected);
columns.add(column);
}
data = new ColumnChartData(columns);
// Set stacked flag.
data.setStacked(true);
if (hasAxes) {
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("Axis X");
axisY.setName("Axis Y");
}
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
} else {
data.setAxisXBottom(null);
data.setAxisYLeft(null);
}
chart.setColumnChartData(data);
}
Example 11
| Source File: ColumnChartActivity.java From hellocharts-android with Apache License 2.0 | 4 votes |
|
/**
* Generates columns with stacked subcolumns.
*/
private void generateStackedData() {
int numSubcolumns = 4;
int numColumns = 8;
// Column can have many stacked subcolumns, here I use 4 stacke subcolumn in each of 4 columns.
List<Column> columns = new ArrayList<Column>();
List<SubcolumnValue> values;
for (int i = 0; i < numColumns; ++i) {
values = new ArrayList<SubcolumnValue>();
for (int j = 0; j < numSubcolumns; ++j) {
values.add(new SubcolumnValue((float) Math.random() * 20f + 5, ChartUtils.pickColor()));
}
Column column = new Column(values);
column.setHasLabels(hasLabels);
column.setHasLabelsOnlyForSelected(hasLabelForSelected);
columns.add(column);
}
data = new ColumnChartData(columns);
// Set stacked flag.
data.setStacked(true);
if (hasAxes) {
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("Axis X");
axisY.setName("Axis Y");
}
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
} else {
data.setAxisXBottom(null);
data.setAxisYLeft(null);
}
chart.setColumnChartData(data);
}
Example 12
| Source File: CalibrationGraph.java From xDrip-plus with GNU General Public License v3.0 | 4 votes |
|
public void setupCharts() {
chart = (LineChartView) findViewById(R.id.chart);
List<Line> lines = new ArrayList<Line>();
//calibration values
List<Calibration> calibrations = Calibration.allForSensor();
List<Line> greyLines = getCalibrationsLine(calibrations, Color.parseColor("#66FFFFFF"));
calibrations = Calibration.allForSensorInLastFourDays();
List<Line> blueLines = getCalibrationsLine(calibrations, ChartUtils.COLOR_BLUE);
Calibration calibration = Calibration.lastValid();
if (calibration != null) {
//set header
DecimalFormat df = new DecimalFormat("#");
df.setMaximumFractionDigits(2);
df.setMinimumFractionDigits(2);
String Header = "slope = " + df.format(calibration.slope) + " intercept = " + df.format(calibration.intercept);
GraphHeader.setText(Header);
//red line
List<PointValue> lineValues = new ArrayList<PointValue>();
final float conversion_factor = (float) (doMgdl ? 1 : Constants.MGDL_TO_MMOLL);
lineValues.add(new PointValue((float) start_x, (conversion_factor * (float) (start_x * calibration.slope + calibration.intercept))));
lineValues.add(new PointValue((float) end_x, (conversion_factor * (float) (end_x * calibration.slope + calibration.intercept))));
Line calibrationLine = new Line(lineValues);
calibrationLine.setColor(ChartUtils.COLOR_RED);
calibrationLine.setHasLines(true);
calibrationLine.setHasPoints(false);
lines.add(calibrationLine);
// calibration plugin
final CalibrationAbstract plugin = getCalibrationPluginFromPreferences();
if (plugin != null) {
final CalibrationAbstract.CalibrationData pcalibration = plugin.getCalibrationData();
final List<PointValue> plineValues = new ArrayList<PointValue>();
plineValues.add(new PointValue((float) start_x, (conversion_factor * (float) (plugin.getGlucoseFromSensorValue(start_x, pcalibration)))));
plineValues.add(new PointValue((float) end_x, (conversion_factor * (float) (plugin.getGlucoseFromSensorValue(end_x, pcalibration)))));
final Line pcalibrationLine = new Line(plineValues);
pcalibrationLine.setColor(Color.parseColor(plugin_color));
pcalibrationLine.setHasLines(true);
pcalibrationLine.setHasPoints(false);
lines.add(pcalibrationLine);
PluginHeader.setText("(" + plugin.getAlgorithmName() + ") " + "s = " + df.format(pcalibration.slope) + " i = " + df.format(pcalibration.intercept));
PluginHeader.setTextColor(Color.parseColor(plugin_color));
}
//add lines in order
for (Line greyLine : greyLines) {
lines.add(greyLine);
}
for (Line blueLine : blueLines) {
lines.add(blueLine);
}
}
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
axisX.setName("Raw Value");
axisY.setName("Glucose " + (doMgdl ? "mg/dl" : "mmol/l"));
data = new LineChartData(lines);
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
chart.setLineChartData(data);
}
Example 13
| Source File: LibreTrendGraph.java From xDrip-plus with GNU General Public License v3.0 | 4 votes |
|
public void setupCharts() {
final TextView trendView = (TextView) findViewById(R.id.textLibreHeader);
chart = (LineChartView) findViewById(R.id.libre_chart);
List<Line> lines = new ArrayList<Line>();
List<PointValue> lineValues = new ArrayList<PointValue>();
final float conversion_factor_mmol = (float) (doMgdl ? 1 : Constants.MGDL_TO_MMOLL);
LibreBlock libreBlock= LibreBlock.getLatestForTrend();
if(libreBlock == null) {
trendView.setText("No libre data to display");
setupEmptyCharts();
return;
}
String time = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT).format(new Date((long) libreBlock.timestamp));
ArrayList<Float> bg_data = getLatestBgForXMinutes(MINUTES_TO_DISPLAY);
if(bg_data == null) {
trendView.setText("Error displaying data for " + time);
setupEmptyCharts();
return;
}
trendView.setText("Scan from " + time);
float min = 1000;
float max = 0;
int i = 0;
for(float bg : bg_data ) {
if(bg <= 0) {
i++;
continue;
}
if(min > bg) {
min = bg;
}
if(max < bg) {
max = bg;
}
lineValues.add(new PointValue(-i, bg * conversion_factor_mmol));
i++;
}
Line trendLine = new Line(lineValues);
trendLine.setColor(ChartUtils.COLOR_RED);
trendLine.setHasLines(false);
trendLine.setHasPoints(true);
trendLine.setPointRadius(3);
lines.add(trendLine);
final int MIN_GRAPH = 20;
if(max - min < MIN_GRAPH)
{
// On relative flat trend the graph can look very noise althouth with the right resolution it is not that way.
// I will add two dummy invisible points that will cause the graph to look with bigger Y range.
float average = (max + min) /2;
List<PointValue> dummyPointValues = new ArrayList<PointValue>();
Line dummyPointLine = new Line(dummyPointValues);
dummyPointValues.add(new PointValue(0, (average - MIN_GRAPH / 2) * conversion_factor_mmol));
dummyPointValues.add(new PointValue(0, (average + MIN_GRAPH / 2) * conversion_factor_mmol));
dummyPointLine.setColor(ChartUtils.COLOR_RED);
dummyPointLine.setHasLines(false);
dummyPointLine.setHasPoints(false);
lines.add(dummyPointLine);
}
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
axisX.setTextSize(16);
axisY.setTextSize(16);
axisX.setName("Time from last scan");
axisY.setName("Glucose " + (doMgdl ? "mg/dl" : "mmol/l"));
data = new LineChartData(lines);
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
chart.setLineChartData(data);
}
Example 14
| Source File: CalibrationGraph.java From xDrip with GNU General Public License v3.0 | 4 votes |
|
public void setupCharts() {
chart = (LineChartView) findViewById(R.id.chart);
List<Line> lines = new ArrayList<Line>();
//calibration values
List<Calibration> calibrations = Calibration.allForSensor();
List<Line> greyLines = getCalibrationsLine(calibrations, Color.parseColor("#66FFFFFF"));
calibrations = Calibration.allForSensorInLastFourDays();
List<Line> blueLines = getCalibrationsLine(calibrations, ChartUtils.COLOR_BLUE);
Calibration calibration = Calibration.lastValid();
if (calibration != null) {
//set header
DecimalFormat df = new DecimalFormat("#");
df.setMaximumFractionDigits(2);
df.setMinimumFractionDigits(2);
String Header = "slope = " + df.format(calibration.slope) + " intercept = " + df.format(calibration.intercept);
GraphHeader.setText(Header);
//red line
List<PointValue> lineValues = new ArrayList<PointValue>();
final float conversion_factor = (float) (doMgdl ? 1 : Constants.MGDL_TO_MMOLL);
lineValues.add(new PointValue((float) start_x, (conversion_factor * (float) (start_x * calibration.slope + calibration.intercept))));
lineValues.add(new PointValue((float) end_x, (conversion_factor * (float) (end_x * calibration.slope + calibration.intercept))));
Line calibrationLine = new Line(lineValues);
calibrationLine.setColor(ChartUtils.COLOR_RED);
calibrationLine.setHasLines(true);
calibrationLine.setHasPoints(false);
lines.add(calibrationLine);
// calibration plugin
final CalibrationAbstract plugin = getCalibrationPluginFromPreferences();
if (plugin != null) {
final CalibrationAbstract.CalibrationData pcalibration = plugin.getCalibrationData();
final List<PointValue> plineValues = new ArrayList<PointValue>();
plineValues.add(new PointValue((float) start_x, (conversion_factor * (float) (plugin.getGlucoseFromSensorValue(start_x, pcalibration)))));
plineValues.add(new PointValue((float) end_x, (conversion_factor * (float) (plugin.getGlucoseFromSensorValue(end_x, pcalibration)))));
final Line pcalibrationLine = new Line(plineValues);
pcalibrationLine.setColor(Color.parseColor(plugin_color));
pcalibrationLine.setHasLines(true);
pcalibrationLine.setHasPoints(false);
lines.add(pcalibrationLine);
PluginHeader.setText("(" + plugin.getAlgorithmName() + ") " + "s = " + df.format(pcalibration.slope) + " i = " + df.format(pcalibration.intercept));
PluginHeader.setTextColor(Color.parseColor(plugin_color));
}
//add lines in order
for (Line greyLine : greyLines) {
lines.add(greyLine);
}
for (Line blueLine : blueLines) {
lines.add(blueLine);
}
}
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
axisX.setName("Raw Value");
axisY.setName("Glucose " + (doMgdl ? "mg/dl" : "mmol/l"));
data = new LineChartData(lines);
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
chart.setLineChartData(data);
}
Example 15
| Source File: LibreTrendGraph.java From xDrip with GNU General Public License v3.0 | 4 votes |
|
public void setupCharts() {
final TextView trendView = (TextView) findViewById(R.id.textLibreHeader);
chart = (LineChartView) findViewById(R.id.libre_chart);
List<Line> lines = new ArrayList<Line>();
List<PointValue> lineValues = new ArrayList<PointValue>();
final float conversion_factor_mmol = (float) (doMgdl ? 1 : Constants.MGDL_TO_MMOLL);
LibreBlock libreBlock= LibreBlock.getLatestForTrend();
if(libreBlock == null) {
trendView.setText("No libre data to display");
setupEmptyCharts();
return;
}
String time = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT).format(new Date((long) libreBlock.timestamp));
ArrayList<Float> bg_data = getLatestBgForXMinutes(MINUTES_TO_DISPLAY);
if(bg_data == null) {
trendView.setText("Error displaying data for " + time);
setupEmptyCharts();
return;
}
trendView.setText("Scan from " + time);
float min = 1000;
float max = 0;
int i = 0;
for(float bg : bg_data ) {
if(bg <= 0) {
i++;
continue;
}
if(min > bg) {
min = bg;
}
if(max < bg) {
max = bg;
}
lineValues.add(new PointValue(-i, bg * conversion_factor_mmol));
i++;
}
Line trendLine = new Line(lineValues);
trendLine.setColor(ChartUtils.COLOR_RED);
trendLine.setHasLines(false);
trendLine.setHasPoints(true);
trendLine.setPointRadius(3);
lines.add(trendLine);
final int MIN_GRAPH = 20;
if(max - min < MIN_GRAPH)
{
// On relative flat trend the graph can look very noise althouth with the right resolution it is not that way.
// I will add two dummy invisible points that will cause the graph to look with bigger Y range.
float average = (max + min) /2;
List<PointValue> dummyPointValues = new ArrayList<PointValue>();
Line dummyPointLine = new Line(dummyPointValues);
dummyPointValues.add(new PointValue(0, (average - MIN_GRAPH / 2) * conversion_factor_mmol));
dummyPointValues.add(new PointValue(0, (average + MIN_GRAPH / 2) * conversion_factor_mmol));
dummyPointLine.setColor(ChartUtils.COLOR_RED);
dummyPointLine.setHasLines(false);
dummyPointLine.setHasPoints(false);
lines.add(dummyPointLine);
}
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
axisX.setTextSize(16);
axisY.setTextSize(16);
axisX.setName("Time from last scan");
axisY.setName("Glucose " + (doMgdl ? "mg/dl" : "mmol/l"));
data = new LineChartData(lines);
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
chart.setLineChartData(data);
}
Example 16
| Source File: MainActivity.java From healthgo with GNU General Public License v3.0 | 4 votes |
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private void initLineChart() {
Line line = new Line(mPointValues).setColor(Color.parseColor("#FFFAFA")); //折线的颜色（橙色）
List<Line> lines = new ArrayList<>();
line.setShape(ValueShape.CIRCLE);//折线图上每个数据点的形状 这里是圆形 （有三种 ：ValueShape.SQUARE ValueShape.CIRCLE ValueShape.DIAMOND）
line.setCubic(false);//曲线是否平滑，即是曲线还是折线
line.setFilled(false);//是否填充曲线的面积
line.setHasLabels(true);//曲线的数据坐标是否加上备注
// line.setHasLabelsOnlyForSelected(true);//点击数据坐标提示数据（设置了这个line.setHasLabels(true);就无效）
line.setHasLines(true);//是否用线显示。如果为false 则没有曲线只有点显示
line.setHasPoints(true);//是否显示圆点 如果为false 则没有原点只有点显示（每个数据点都是个大的圆点）
lines.add(line);
LineChartData data = new LineChartData();
data.setLines(lines);
//坐标轴
Axis axisX = new Axis(); //X轴
axisX.setHasTiltedLabels(true); //X坐标轴字体是斜的显示还是直的，true是斜的显示
axisX.setTextColor(Color.WHITE); //设置字体颜色
//axisX.setName("date"); //表格名称
axisX.setTextSize(10);//设置字体大小
axisX.setMaxLabelChars(8); //最多几个X轴坐标，意思就是你的缩放让X轴上数据的个数7<=x<=mAxisXValues.length
axisX.setValues(mAxisXValues); //填充X轴的坐标名称
data.setAxisXBottom(axisX); //x 轴在底部
//data.setAxisXTop(axisX); //x 轴在顶部
axisX.setHasLines(true); //x 轴分割线
// Y轴是根据数据的大小自动设置Y轴上限(在下面我会给出固定Y轴数据个数的解决方案)
Axis axisY = new Axis();
axisY.setName("");//y轴标注
// axisY.setTextSize(10);//设置字体大小
axisY.setTextColor(Color.parseColor("#ffffff"));
data.setAxisYLeft(axisY); //Y轴设置在左边
//data.setAxisYRight(axisY); //y轴设置在右边
//设置行为属性，支持缩放、滑动以及平移
lineChart.setInteractive(true);
lineChart.setZoomType(ZoomType.HORIZONTAL);
lineChart.setMaxZoom((float) 2);//最大方法比例
lineChart.setContainerScrollEnabled(true, ContainerScrollType.HORIZONTAL);
lineChart.setLineChartData(data);
lineChart.setVisibility(View.VISIBLE);
/**注：下面的7，10只是代表一个数字去类比而已
* 当时是为了解决X轴固定数据个数。见（http://forum.xda-developers.com/tools/programming/library-hellocharts-charting-library-t2904456/page2）;
*/
// Viewport v = new Viewport(lineChart.getMaximumViewport());
// v.left = 0;
// v.right= 7;
// lineChart.setCurrentViewport(v);
}
Example 17
| Source File: ClimateFragment.java From homeassist with Apache License 2.0 | 4 votes |
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private void setupChart(ArrayList<Entity> histories) {
DateFormat df = (new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSSSSZZZZZ", Locale.ENGLISH));
ArrayList<DataItem> mDataCurrent = new ArrayList<>();
ArrayList<DataItem> mDataTarget = new ArrayList<>();
for (Entity history : histories) {
try {
if (history.attributes.currentTemperature != null) {
mDataCurrent.add(new DataItem(df.parse(history.lastUpdated), history.attributes.currentTemperature.floatValue()));
}
mDataTarget.add(new DataItem(df.parse(history.lastUpdated), history.attributes.getTemperature().floatValue()));
} catch (Exception e) {
e.printStackTrace();
}
}
Line currentLine = getLine(mDataCurrent, "#3366cc");
Line targetLine = getLine(mDataTarget, "#dc3912");
List<PointValue> yValues = new ArrayList<>();
List<AxisValue> axisValues = new ArrayList<>();
for (int x = 0; x < mDataTarget.size(); ++x) {
DataItem dataItem = mDataTarget.get(x);
float yValue = dataItem.getYValue();
yValues.add(new PointValue(dataItem.getXValue(), yValue));
}
//In most cased you can call data model methods in builder-pattern-like manner.
List<Line> lines = new ArrayList<>();
lines.add(currentLine);
lines.add(targetLine);
LineChartData data = new LineChartData();
data.setLines(lines);
Axis axisY = new Axis().setHasLines(true);
axisY.setName(mEntity.attributes.unitOfMeasurement);
data.setAxisYLeft(axisY);
Axis axisX;
if (mDataCurrent.size() != 0) {
axisX = getXAxis(mDataCurrent);
} else if (mDataTarget.size() != 0) {
axisX = getXAxis(mDataTarget);
} else {
axisX = new Axis().setName("Time (Last 24 Hours)");
}
data.setAxisXBottom(axisX);
mChart.setLineChartData(data);
mChart.setVisibility(View.VISIBLE);
}
