Java Code Examples for com.github.mikephil.charting.interfaces.datasets.ILineDataSet#addEntry()
The following examples show how to use
com.github.mikephil.charting.interfaces.datasets.ILineDataSet#addEntry() .
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Example 1
| Source File: OneDayChart.java From StockChart-MPAndroidChart with MIT License | 6 votes |
|
/**
* 动态增加一个点数据
* @param timeDatamodel
* @param length
*/
public void dynamicsAddOne(TimeDataModel timeDatamodel, int length) {
int index = length - 1;
LineData lineData = lineChart.getData();
ILineDataSet d1 = lineData.getDataSetByIndex(0);
d1.addEntry(new Entry(index, (float) timeDatamodel.getNowPrice()));
ILineDataSet d2 = lineData.getDataSetByIndex(1);
d2.addEntry(new Entry(index, (float) timeDatamodel.getAveragePrice()));
BarData barData = barChart.getData();
IBarDataSet barDataSet = barData.getDataSetByIndex(0);
float color = timeDatamodel.getNowPrice() == d1.getEntryForIndex(index - 1).getY() ? 0f : timeDatamodel.getNowPrice() > d1.getEntryForIndex(index - 1).getY() ? 1f : -1f;
barDataSet.addEntry(new BarEntry(index, timeDatamodel.getVolume(),color));
lineData.notifyDataChanged();
lineChart.notifyDataSetChanged();
barData.notifyDataChanged();
barChart.notifyDataSetChanged();
lineChart.setVisibleXRange(maxCount, maxCount);
barChart.setVisibleXRange(maxCount, maxCount);
//动态添加或移除数据后， 调用invalidate()刷新图表之前 必须调用 notifyDataSetChanged() .
lineChart.moveViewToX(index);
barChart.moveViewToX(index);
}
Example 2
| Source File: KLineDataManage.java From StockChart-MPAndroidChart with MIT License | 6 votes |
|
public void setOneMaValue(LineData lineData, int i) {
for (int k = 0; k < lineData.getDataSets().size(); k++) {
ILineDataSet lineDataSet = lineData.getDataSetByIndex(k);
lineDataSet.removeEntryByXValue(i);
if (k == 0) {
if (i >= N1) {
sum = 0;
float all5 = getSum(i - (N1 - 1), i) / N1;
lineDataSet.addEntry(new Entry(i + offSet, all5));
}
} else if (k == 1) {
if (i >= N2) {
sum = 0;
float all10 = getSum(i - (N2 - 1), i) / N2;
lineDataSet.addEntry(new Entry(i + offSet, all10));
}
} else if (k == 2) {
if (i >= N3) {
sum = 0;
float all20 = getSum(i - (N3 - 1), i) / N3;
lineDataSet.addEntry(new Entry(i + offSet, all20));
}
}
}
}
Example 3
| Source File: FiveDayChart.java From StockChart-MPAndroidChart with MIT License | 6 votes |
|
/**
* 动态增加一个点数据
* @param timeDatamodel
* @param length
*/
public void dynamicsAddOne(TimeDataModel timeDatamodel, int length) {
int index = length - 1;
LineData lineData = lineChart.getData();
ILineDataSet d1 = lineData.getDataSetByIndex(0);
d1.addEntry(new Entry( index, (float) timeDatamodel.getNowPrice()));
ILineDataSet d2 = lineData.getDataSetByIndex(1);
d2.addEntry(new Entry( index, (float) timeDatamodel.getAveragePrice()));
BarData barData = barChart.getData();
IBarDataSet barDataSet = barData.getDataSetByIndex(0);
float color = timeDatamodel.getNowPrice() == d1.getEntryForIndex(index - 1).getY() ? 0f : timeDatamodel.getNowPrice() > d1.getEntryForIndex(index - 1).getY() ? 1f : -1f;
barDataSet.addEntry(new BarEntry( index, timeDatamodel.getVolume(),color));
lineData.notifyDataChanged();
lineChart.notifyDataSetChanged();
barData.notifyDataChanged();
barChart.notifyDataSetChanged();
lineChart.setVisibleXRange(maxCount, maxCount);
barChart.setVisibleXRange(maxCount, maxCount);
//动态添加或移除数据后， 调用invalidate()刷新图表之前 必须调用 notifyDataSetChanged() .
lineChart.moveViewToX(index);
barChart.moveViewToX(index);
}
Example 4
| Source File: TimeLineView.java From android-kline with Apache License 2.0 | 6 votes |
|
/**
* according to the price to refresh the last data of the chart
*/
public void refreshData(float price) {
if (price <= 0 || price == mLastPrice) {
return;
}
mLastPrice = price;
CombinedData data = mChartPrice.getData();
if (data == null) return;
LineData lineData = data.getLineData();
if (lineData != null) {
ILineDataSet set = lineData.getDataSetByIndex(0);
if (set.removeLast()) {
set.addEntry(new Entry(set.getEntryCount(), price));
}
}
mChartPrice.notifyDataSetChanged();
mChartPrice.invalidate();
}
Example 5
| Source File: OneDayChart.java From StockChart-MPAndroidChart with MIT License | 5 votes |
|
/**
* 动态更新最后一点数据
* @param timeDatamodel
* @param length
*/
public void dynamicsUpdateOne(TimeDataModel timeDatamodel, int length) {
int index = length - 1;
LineData lineData = lineChart.getData();
ILineDataSet d1 = lineData.getDataSetByIndex(0);
Entry e = d1.getEntryForIndex(index);
d1.removeEntry(e);
d1.addEntry(new Entry(index, (float) timeDatamodel.getNowPrice()));
ILineDataSet d2 = lineData.getDataSetByIndex(1);
Entry e2 = d2.getEntryForIndex(index);
d2.removeEntry(e2);
d2.addEntry(new Entry(index, (float) timeDatamodel.getAveragePrice()));
BarData barData = barChart.getData();
IBarDataSet barDataSet = barData.getDataSetByIndex(0);
barDataSet.removeEntry(index);
float color = timeDatamodel.getNowPrice() == d1.getEntryForIndex(index - 1).getY() ? 0f : timeDatamodel.getNowPrice() > d1.getEntryForIndex(index - 1).getY() ? 1f : -1f;
barDataSet.addEntry(new BarEntry(index, timeDatamodel.getVolume(),color));
lineData.notifyDataChanged();
lineChart.notifyDataSetChanged();
lineChart.moveViewToX(index);
barData.notifyDataChanged();
barChart.notifyDataSetChanged();
barChart.moveViewToX(index);
}
Example 6
| Source File: FiveDayChart.java From StockChart-MPAndroidChart with MIT License | 5 votes |
|
/**
* 动态更新最后一点数据
* @param timeDatamodel
* @param length
*/
public void dynamicsUpdateOne(TimeDataModel timeDatamodel, int length) {
int index = length - 1;
LineData lineData = lineChart.getData();
ILineDataSet d1 = lineData.getDataSetByIndex(0);
Entry e = d1.getEntryForIndex(index);
d1.removeEntry(e);
d1.addEntry(new Entry( index, (float) timeDatamodel.getNowPrice()));
ILineDataSet d2 = lineData.getDataSetByIndex(1);
Entry e2 = d2.getEntryForIndex(index);
d2.removeEntry(e2);
d2.addEntry(new Entry( index, (float) timeDatamodel.getAveragePrice()));
BarData barData = barChart.getData();
IBarDataSet barDataSet = barData.getDataSetByIndex(0);
barDataSet.removeEntry(index);
float color = timeDatamodel.getNowPrice() == d1.getEntryForIndex(index - 1).getY() ? 0f : timeDatamodel.getNowPrice() > d1.getEntryForIndex(index - 1).getY() ? 1f : -1f;
barDataSet.addEntry(new BarEntry( index, timeDatamodel.getVolume(),color));
lineData.notifyDataChanged();
lineChart.notifyDataSetChanged();
lineChart.moveViewToX(index);
barData.notifyDataChanged();
barChart.notifyDataSetChanged();
barChart.moveViewToX(index);
}
Example 7
| Source File: TimeLineView.java From android-kline with Apache License 2.0 | 5 votes |
|
public void addData(HisData hisData) {
hisData = DataUtils.calculateHisData(hisData, mData);
CombinedData combinedData = mChartPrice.getData();
LineData priceData = combinedData.getLineData();
ILineDataSet priceSet = priceData.getDataSetByIndex(0);
ILineDataSet aveSet = priceData.getDataSetByIndex(1);
IBarDataSet volSet = mChartVolume.getData().getBarData().getDataSetByIndex(0);
if (mData.contains(hisData)) {
int index = mData.indexOf(hisData);
priceSet.removeEntry(index);
aveSet.removeEntry(index);
volSet.removeEntry(index);
mData.remove(index);
}
mData.add(hisData);
priceSet.addEntry(new Entry(priceSet.getEntryCount(), (float) hisData.getClose()));
aveSet.addEntry(new Entry(aveSet.getEntryCount(), (float) hisData.getAvePrice()));
volSet.addEntry(new BarEntry(volSet.getEntryCount(), hisData.getVol(), hisData));
mChartPrice.setVisibleXRange(MAX_COUNT, MIN_COUNT);
mChartVolume.setVisibleXRange(MAX_COUNT, MIN_COUNT);
mChartPrice.getXAxis().setAxisMaximum(combinedData.getXMax() + 1.5f);
mChartVolume.getXAxis().setAxisMaximum(mChartVolume.getData().getXMax() + 1.5f);
mChartPrice.notifyDataSetChanged();
mChartPrice.invalidate();
mChartVolume.notifyDataSetChanged();
mChartVolume.invalidate();
setDescription(mChartVolume, "成交量 " + hisData.getVol());
}
Example 8
| Source File: TickChart.java From android-kline with Apache License 2.0 | 5 votes |
|
public void refreshData(float price) {
if (price <= 0 || price == mLastPrice) {
return;
}
mLastPrice = price;
LineData data = mChart.getData();
if (data != null) {
ILineDataSet setSell = data.getDataSetByIndex(DATA_SET_PRICE);
if (setSell == null) {
setSell = createSet(TYPE_FULL);
data.addDataSet(setSell);
}
data.removeEntry(setSell.getEntryCount(), DATA_SET_PRICE);
Entry entry = new Entry(setSell.getEntryCount(), price);
data.addEntry(entry, DATA_SET_PRICE);
ILineDataSet paddingSet = data.getDataSetByIndex(DATA_SET_PADDING);
if (paddingSet == null) {
paddingSet = createSet(TYPE_DASHED);
data.addDataSet(paddingSet);
}
int count = paddingSet.getEntryCount();
paddingSet.clear();
for (int i = 0; i < count; i++) {
paddingSet.addEntry(new Entry(setSell.getEntryCount() + i, price));
}
Highlight chartHighlighter = new Highlight(setSell.getEntryCount() + paddingSet.getEntryCount(), price, DATA_SET_PADDING);
mChart.highlightValue(chartHighlighter);
data.notifyDataChanged();
mChart.notifyDataSetChanged();
mChart.invalidate();
}
}
Example 9
| Source File: KLineView.java From android-kline with Apache License 2.0 | 4 votes |
|
public void addData(HisData hisData) {
hisData = DataUtils.calculateHisData(hisData, mData);
CombinedData combinedData = mChartPrice.getData();
LineData priceData = combinedData.getLineData();
ILineDataSet ma5Set = priceData.getDataSetByIndex(1);
ILineDataSet ma10Set = priceData.getDataSetByIndex(2);
ILineDataSet ma20Set = priceData.getDataSetByIndex(3);
ILineDataSet ma30Set = priceData.getDataSetByIndex(4);
CandleData kData = combinedData.getCandleData();
ICandleDataSet klineSet = kData.getDataSetByIndex(0);
IBarDataSet volSet = mChartVolume.getData().getBarData().getDataSetByIndex(0);
IBarDataSet macdSet = mChartMacd.getData().getBarData().getDataSetByIndex(0);
ILineDataSet difSet = mChartMacd.getData().getLineData().getDataSetByIndex(0);
ILineDataSet deaSet = mChartMacd.getData().getLineData().getDataSetByIndex(1);
LineData kdjData = mChartKdj.getData().getLineData();
ILineDataSet kSet = kdjData.getDataSetByIndex(0);
ILineDataSet dSet = kdjData.getDataSetByIndex(1);
ILineDataSet jSet = kdjData.getDataSetByIndex(2);
if (mData.contains(hisData)) {
int index = mData.indexOf(hisData);
klineSet.removeEntry(index);
// ma比较特殊，entry数量和k线的不一致，移除最后一个
ma5Set.removeLast();
ma10Set.removeLast();
ma20Set.removeLast();
ma30Set.removeLast();
volSet.removeEntry(index);
macdSet.removeEntry(index);
difSet.removeEntry(index);
deaSet.removeEntry(index);
kSet.removeEntry(index);
dSet.removeEntry(index);
jSet.removeEntry(index);
mData.remove(index);
}
mData.add(hisData);
int klineCount = klineSet.getEntryCount();
klineSet.addEntry(new CandleEntry(klineCount, (float) hisData.getHigh(), (float) hisData.getLow(), (float) hisData.getOpen(), (float) hisData.getClose()));
volSet.addEntry(new BarEntry(volSet.getEntryCount(), hisData.getVol(), hisData));
macdSet.addEntry(new BarEntry(macdSet.getEntryCount(), (float) hisData.getMacd()));
difSet.addEntry(new Entry(difSet.getEntryCount(), (float) hisData.getDif()));
deaSet.addEntry(new Entry(deaSet.getEntryCount(), (float) hisData.getDea()));
kSet.addEntry(new Entry(kSet.getEntryCount(), (float) hisData.getK()));
dSet.addEntry(new Entry(dSet.getEntryCount(), (float) hisData.getD()));
jSet.addEntry(new Entry(jSet.getEntryCount(), (float) hisData.getJ()));
// 因为ma的数量会少，所以这里用kline的set数量作为x
if (!Double.isNaN(hisData.getMa5())) {
ma5Set.addEntry(new Entry(klineCount, (float) hisData.getMa5()));
}
if (!Double.isNaN(hisData.getMa10())) {
ma10Set.addEntry(new Entry(klineCount, (float) hisData.getMa10()));
}
if (!Double.isNaN(hisData.getMa20())) {
ma20Set.addEntry(new Entry(klineCount, (float) hisData.getMa20()));
}
if (!Double.isNaN(hisData.getMa30())) {
ma30Set.addEntry(new Entry(klineCount, (float) hisData.getMa30()));
}
mChartPrice.getXAxis().setAxisMaximum(combinedData.getXMax() + 1.5f);
mChartVolume.getXAxis().setAxisMaximum(mChartVolume.getData().getXMax() + 1.5f);
mChartMacd.getXAxis().setAxisMaximum(mChartMacd.getData().getXMax() + 1.5f);
mChartKdj.getXAxis().setAxisMaximum(mChartKdj.getData().getXMax() + 1.5f);
mChartPrice.setVisibleXRange(MAX_COUNT, MIN_COUNT);
mChartVolume.setVisibleXRange(MAX_COUNT, MIN_COUNT);
mChartMacd.setVisibleXRange(MAX_COUNT, MIN_COUNT);
mChartKdj.setVisibleXRange(MAX_COUNT, MIN_COUNT);
mChartPrice.notifyDataSetChanged();
mChartPrice.invalidate();
mChartVolume.notifyDataSetChanged();
mChartVolume.invalidate();
mChartMacd.notifyDataSetChanged();
mChartMacd.invalidate();
mChartKdj.notifyDataSetChanged();
mChartKdj.invalidate();
setDescription(mChartPrice, String.format(Locale.getDefault(), "MA5:%.2f MA10:%.2f MA20:%.2f MA30:%.2f",
hisData.getMa5(), hisData.getMa10(), hisData.getMa20(), hisData.getMa30()));
setDescription(mChartVolume, "成交量 " + hisData.getVol());
setDescription(mChartMacd, String.format(Locale.getDefault(), "MACD:%.2f DEA:%.2f DIF:%.2f",
hisData.getMacd(), hisData.getDea(), hisData.getDif()));
setDescription(mChartKdj, String.format(Locale.getDefault(), "K:%.2f D:%.2f J:%.2f",
hisData.getK(), hisData.getD(), hisData.getJ()));
}
Example 10
| Source File: TickChart.java From android-kline with Apache License 2.0 | 4 votes |
|
public void addEntry(HisData hisData) {
hisData = DataUtils.calculateHisData(hisData, mList);
LineData data = mChart.getData();
if (data != null) {
ILineDataSet setSell = data.getDataSetByIndex(DATA_SET_PRICE);
if (setSell == null) {
setSell = createSet(TYPE_FULL);
data.addDataSet(setSell);
}
ILineDataSet aveSet = data.getDataSetByIndex(DATA_SET_AVE);
if (aveSet == null) {
aveSet = createSet(DATA_SET_AVE);
data.addDataSet(aveSet);
}
int index = mList.indexOf(hisData);
if (index >= 0) {
mList.remove(hisData);
data.removeEntry(index, DATA_SET_PRICE);
data.removeEntry(index, DATA_SET_AVE);
}
mList.add(hisData);
float price = (float) hisData.getClose();
data.addEntry(new Entry(setSell.getEntryCount(), price), DATA_SET_PRICE);
data.addEntry(new Entry(setSell.getEntryCount(), (float) hisData.getAvePrice()), DATA_SET_AVE);
ILineDataSet paddingSet = data.getDataSetByIndex(DATA_SET_PADDING);
if (paddingSet == null) {
paddingSet = createSet(TYPE_DASHED);
data.addDataSet(paddingSet);
}
int count = paddingSet.getEntryCount();
if (count > PADDING_COUNT && index < 0) {
count--;
}
paddingSet.clear();
for (int i = 0; i < count; i++) {
paddingSet.addEntry(new Entry(setSell.getEntryCount() + i, price));
}
Highlight chartHighlighter = new Highlight(setSell.getEntryCount() + paddingSet.getEntryCount(), price, DATA_SET_PADDING);
mChart.highlightValue(chartHighlighter);
data.notifyDataChanged();
mChart.notifyDataSetChanged();
mChart.invalidate();
}
}
