public Axis yAxis() {
Axis yAxis = new Axis();
yAxis.setAutoGenerated(false);
List<AxisValue> axisValues = new ArrayList<AxisValue>();
// for(int j = 1; j <= 12; j += 1) {
// if (doMgdl) {
// axisValues.add(new AxisValue(j * 50));
// } else {
// axisValues.add(new AxisValue(j*2));
// }
// }
axisValues.add(new AxisValue(240));
axisValues.add(new AxisValue((int) this.lowMark));
axisValues.add(new AxisValue((int) this.highMark));
yAxis.setValues(axisValues);
yAxis.setHasLines(true);
yAxis.setLineColor(Color.parseColor("#555555"));
yAxis.setMaxLabelChars(5);
yAxis.setInside(true);
yAxis.setTextSize(axisTextSize);
yAxis.setTextColor(Color.parseColor("#8D8D8D"));
yAxis.setHasTiltedLabels(true);
return yAxis;
}
// 产生数据 实时
/////////////////////////////////////////////////////////////////////////////////////////
private void generateInitialLineData() {
int numValues = 19;
List<AxisValue> axisValues = new ArrayList<AxisValue>();
List<PointValue> values = new ArrayList<PointValue>();
for (int i = 0; i < numValues; ++i) {
values.add(new PointValue(i, 0));
axisValues.add(new AxisValue(i).setLabel(days[i]));
}
Line line = new Line(values);
line.setColor(ChartUtils.COLOR_BLUE);
line.setHasPoints(false);
line.getShape();
line.setCubic(false); // 平滑
List<Line> lines = new ArrayList<Line>();
lines.add(line);
// lines.add(line1);
// lines.add(line2);
Axis axisX = new Axis(axisValues);
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("时间间隔");
// axisY.setName("温度");
axisX.setTextColor(ChartUtils.HOLO_BLUE_DARK);
axisY.setTextColor(ChartUtils.HOLO_BLUE_DARK);
}
lineData = new LineChartData(lines);
lineData.setAxisXBottom(axisX.setHasLines(true));
lineData.setAxisYLeft(axisY.setMaxLabelChars(4));
realeChartTop.setLineChartData(lineData);
// For build-up animation you have to disable viewport recalculation.
// 建立动画你必须禁用视图重新计算。
realeChartTop.setViewportCalculationEnabled(false);
// And set initial max viewport and current viewport- remember to set viewports after data.
// 设置初始值和当前视口视口记得要在数据集视图。
Viewport v = new Viewport(0, 50, 20, -10);
realeChartTop.setMaximumViewport(v);
realeChartTop.setCurrentViewport(v);
realeChartTop.setZoomType(ZoomType.HORIZONTAL);
// toggleFilled();
// toggleLabels();
toggleAxesNames();
}
///////// AXIS RELATED//////////////
public Axis yAxis() {
Axis yAxis = new Axis();
yAxis.setAutoGenerated(false);
List<AxisValue> axisValues = new ArrayList<AxisValue>();
for (int j = 1; j <= 12; j += 1) {
if (doMgdl) {
axisValues.add(new AxisValue(j * 50));
} else {
axisValues.add(new AxisValue(j * 2));
}
}
yAxis.setValues(axisValues);
yAxis.setHasLines(true);
yAxis.setMaxLabelChars(5);
yAxis.setInside(true);
yAxis.setTextSize(axisTextSize);
return yAxis;
}
private void updateGraph(Cursor cursor) {
// set up the goal line
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
int goalCalories = Integer.parseInt(prefs.getString("preference_calorie_goal", "2000"));
List<PointValue> goalValues = new ArrayList<>();
// set up the data
List<PointValue> values = new ArrayList<>();
cursor.moveToFirst();
if (!cursor.isAfterLast()) {
goalValues.add(new PointValue(getTimeFromRow(cursor), goalCalories));
}
while (cursor.isAfterLast() == false) {
float value = cursor.getFloat(cursor.getColumnIndex("total"));
// Log.d("graph", "adding " + value + " on " + sdf.format(getTimeFromRow(cursor)));
values.add(new PointValue(getTimeFromRow(cursor), value));
cursor.moveToNext();
}
cursor.moveToLast();
goalValues.add(new PointValue(getTimeFromRow(cursor), goalCalories));
List<Line> lines = new ArrayList<Line>();
Line goalLine = new Line(goalValues).setColor(Color.parseColor("#ff0000"));
lines.add(goalLine);
Line line = new Line(values).setColor(Color.parseColor("#44a134")).setCubic(true);
// line.setFilled(true);
// line.setHasLabels(true);
lines.add(line);
LineChartData data = new LineChartData();
data.setLines(lines);
Axis timeAxis = new Axis();
// timeAxis.setName("");
// timeAxis.setTextColor(ChartUtils.COLOR_ORANGE);
timeAxis.setMaxLabelChars(5);
timeAxis.setFormatter(new TimestampAxisFormatter());
timeAxis.setHasLines(true);
timeAxis.setHasTiltedLabels(true);
data.setAxisXBottom(timeAxis);
Axis calorieAxis = new Axis();
// weightAxis.setName("");
// weightAxis.setTextColor(ChartUtils.COLOR_GREEN);
calorieAxis.setMaxLabelChars(7);
calorieAxis.setFormatter(new SimpleAxisValueFormatter().setAppendedText(" C".toCharArray()));
calorieAxis.setHasLines(true);
calorieAxis.setHasTiltedLabels(true);
data.setAxisYLeft(calorieAxis);
hellochart.setLineChartData(data);
hellochart.setZoomType(ZoomType.HORIZONTAL);
hellochart.setOnValueTouchListener(new ValueTouchListener());
// set up zoom so we can see 0 calories
Viewport viewport = new Viewport(hellochart.getMaximumViewport());
viewport.bottom = 0;
hellochart.setMaximumViewport(viewport);
hellochart.setCurrentViewport(viewport);
hellochart.invalidate();
}