我對Android完全陌生,我試圖使用AChartEngine創建條形圖,它有3個條形,每個條形應該是不同的顏色。我嘗試使用多個系列,但不能使我的x軸值與酒吧對齊使用多個系列的不同顏色條
protected void onResume() {
super.onResume();
layout = (LinearLayout) findViewById(R.id.chart);
if (mChartView == null)
{
PeakSeries = new XYSeries("Income");
ForecastPeakSeries = new XYSeries("Expense");
ForecastSeries = new XYSeries("Expense");
int[] x = { 1,2,3};
int income = 2000;
int expense = 2700;
System.out.println("Here");
Series1.add(x[0],income);
Series2.add(x[1],expense);
Series3.add(x[2],expense);
// Creating a dataset to hold each series
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
dataset.addSeries(Series1);
dataset.addSeries(Series2);
dataset.addSeries(Series3);
XYSeriesRenderer Renderer1 = new XYSeriesRenderer();
Renderer1 .setColor(Color.RED);
Renderer1 .setChartValuesTextSize(18);
Renderer1 .setFillPoints(true);
Renderer1 .setDisplayChartValues(true);
// Creating XYSeriesRenderer to customize expenseSeries
XYSeriesRenderer Renderer2 = new XYSeriesRenderer();
Renderer2 .setColor(Color.YELLOW);
Renderer2 .setChartValuesTextSize(18);
Renderer2 .setDisplayChartValues(true);
XYSeriesRenderer Renderer3 = new XYSeriesRenderer();
Renderer3 .setColor(Color.CYAN);
Renderer3 .setChartValuesTextSize(18);
Renderer3 .setFillPoints(true);
Renderer3 .setChartValuesTextAlign(Align.CENTER);
Renderer3 .setDisplayChartValues(true);
// Creating a XYMultipleSeriesRenderer to customize the whole chart
double[] range = {0,5,0,5};
multiRenderer.setMargins(new int[] {50, 50, 50, 50});
multiRenderer.setAxisTitleTextSize(16);
multiRenderer.setChartTitleTextSize(30);
multiRenderer.setLabelsTextSize(15);
multiRenderer.setLegendTextSize(20);
multiRenderer.setLegendHeight(40);
multiRenderer.setBarSpacing(-0.7);
multiRenderer.setAxesColor(Color.WHITE);
multiRenderer.setInitialRange(range, 1);
multiRenderer.setXAxisMin(0.4);
multiRenderer.setXAxisMax(4);
multiRenderer.setYAxisMax(5000);
multiRenderer.setYAxisMin(0);
multiRenderer.setXLabelsAlign(Align.RIGHT);
multiRenderer.setYLabelsAlign(Align.RIGHT);
//multiRenderer.s(Align.LEFT);
multiRenderer.setPanEnabled(false, false);
multiRenderer.setZoomEnabled(true, true);
multiRenderer.setChartTitle("7 Day Outlook - Maxiumum Demand");
multiRenderer.setXTitle("Date");
multiRenderer.setYTitle("MW");
multiRenderer.addSeriesRenderer(Renderer1);
multiRenderer.addSeriesRenderer(Renderer2);
multiRenderer.addSeriesRenderer(Renderer3);
final GraphicalView mChartView = ChartFactory.getBarChartView(TestSevenDay1.this, dataset, multiRenderer,Type.DEFAULT);
layout.addView(mChartView);
}
else
{
mChartView.repaint();
}
}
任何幫助,非常感謝。
Renderer.setBarWidth()函數仍然存在於版本1.1.0中嗎?我無法使用它。 – 2013-04-09 17:43:45
它在XYMultipleSeriesRenderer中。 – 2013-04-09 18:08:30
謝謝你的回覆丹。我嘗試如下: XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer(); renderer.setBarSpacing(0); renderer.setBarWidth(2); renderer.setOrientation(Orientation.VERTICAL); 它給我的錯誤說:「方法setBarWidth(int)是未定義的類型XYMultipleSeriesRenderer。可能是什麼問題? – 2013-04-09 19:16:22