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import org.achartengine.ChartFactory;
import org.achartengine.chart.BarChart.Type;
import org.achartengine.model.CategorySeries;
import org.achartengine.model.XYMultipleSeriesDataset;
import org.achartengine.renderer.XYMultipleSeriesRenderer;
import org.achartengine.renderer.XYSeriesRenderer;

import android.content.Context;
import android.content.Intent;
import android.graphics.Color;

public class BarGraph {
public Intent getIntent(Context context) {
    int[] y = { 111, 201, 9, 876, 123 };

    CategorySeries series = new CategorySeries("Survey Result Graphs");

    for(int i = 0; i < y.length; i++) {
        series.add("Bar " + (i+1), y[i]);
    }

    XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
    dataset.addSeries(series.toXYSeries());

    XYSeriesRenderer renderer = new XYSeriesRenderer();
    renderer.setDisplayChartValues(true);
    renderer.setChartValuesSpacing((float) 0.5);
    renderer.setColor(Color.LTGRAY);

    XYMultipleSeriesRenderer mRenderer = new XYMultipleSeriesRenderer();
    mRenderer.addSeriesRenderer(renderer);
    mRenderer.setChartTitle("Survey Results");
    mRenderer.setXTitle("X Values");
    mRenderer.setYTitle("Y Values");

    Intent intent = ChartFactory.getBarChartIntent(context, dataset, mRenderer, Type.DEFAULT);

    return intent;
}

}

我正在使用上面的代码绘制条形图并在手机上进行测试。这完全是从视频教程中提取的。但是，只要在单击事件（在另一个活动中）调用此活动时，就会出现空白的白色屏幕并且绝对不会显示任何图表。请帮忙。谢谢！

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1 回答 1

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使用 getBarChartView 函数而不是 getBarChartIntent

于 2013-12-05T08:00:15.133 回答