我正在使用MPAdroid绘制条形图,其前面有分组的条形图和标签 . 但我得到的结果显示在下面的scrot
上图是chart1,下图是chart2 . 现在标签的实际顺序应该是TEMP-3,TEMP-1,BENTLER-1,BENTLER-2,ANNE-LOSE,ANNE-LOSE,BENTLER-1,BENTLER-2,ANNE-LOSE(来自下方) . 但你可以看到订单搞砸了 . TEMP-3(第一个标签)不必要地重复 . 而且当我在日志中打印机器arraylist时,它与所需的输出相同 . 我已将日志发布在底部 .
这就是我设置图表的方式 .
BarChart chart = (BarChart) findViewById(R.id.chart2);
BarDataSet bds3 = new BarDataSet(percentage,"percentage");
BarData ddata = new BarData(bds3);
float barWidth = 0.45f;
ddata.setBarWidth(barWidth);
chart.setScaleEnabled(true);
chart.setPinchZoom(true);
chart.setData(ddata);
XAxis xa = chart.getXAxis();
String[] mac = new String[machines.size()];
for(int i=0;i<machines.size();++i)
{
mac[i] = machines.get(i);
Log.i("Message5432",mac[i]);
}
xa.setValueFormatter(new MyAxisValueFormatter(mac));
chart.fitScreen();
xa.setLabelCount(machines.size()+1,true);
xa.setCenterAxisLabels(true);
xa.setGranularity(1f);
xa.setGranularityEnabled(true);
chart.setTouchEnabled(true);
chart.setDragEnabled(true);
chart.setScaleEnabled(true);
chart.setVisibility(View.VISIBLE);
chart.invalidate();
BarDataSet bds2 = new BarDataSet(barEntries, "Target");
BarChart chart1 = (BarChart) findViewById(R.id.chart1);
BarDataSet bds1 = new BarDataSet(barEntries1,"Prepared");
bds1.setColor(Color.parseColor("#F44336"));
BarData ddata1 = new BarData(bds1,bds2);
chart1.setScaleEnabled(true);
chart1.setPinchZoom(true);
chart1.setData(ddata1);
XAxis xa1 = chart1.getXAxis();
xa1.setValueFormatter(new MyAxisValueFormatter(mac));
chart1.setTouchEnabled(true);
chart1.setDragEnabled(true);
chart1.setScaleEnabled(true);
float groupSpace = 0.08f;
float barSpace = 0.02f;
chart1.fitScreen();
ddata1.setBarWidth(barWidth);
xa1.setLabelCount(machines.size()+1,true);
chart1.groupBars( -0.5f,groupSpace, barSpace);
chart1.setFitBars(true);
chart1.setVisibility(View.VISIBLE);
xa1.setGranularity(1f);
xa1.setGranularityEnabled(true);
xa1.setCenterAxisLabels(true);
chart1.invalidate();
我已经在机器ArrayList中打印了数据,我很肯定其中的数据没有错误 . 我没有发布下载数据并将其放入机器arrayList的代码 .
这是我的MyAxisValueFormatter类 .
public class MyAxisValueFormatter implements IAxisValueFormatter
{
String [] machines;
public MyAxisValueFormatter(String[] arr)
{
this.machines = arr;
}
@Override
public String getFormattedValue(float value, AxisBase axis) {
return machines[(int)value];
}
@Override
public int getDecimalDigits() {
return 0;
}
}
这是我的OnCreate方法,(与图形相关的部分)
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_production_graphs);
barEntries.clear();
barEntries1.clear();
percentage.clear();
machines.clear();
dta.clear();
gblprpd.clear();
BarChart chart = (BarChart) findViewById(R.id.chart2);
chart.invalidate();
chart.setVisibility(View.GONE);
chart = (BarChart) findViewById(R.id.chart1);
chart.invalidate();
chart.setVisibility(View.GONE);
// This portion calls an Aysnc task for Downloading files.
try {
new ProductionGraphs.FTPDownloader().execute();
} catch (Exception e) {
e.printStackTrace();
}
}
这些是我的日志 .
07-04 19:28:48.185 10169-10169/com.example.quickstart I/Message5432: TEMP-3
TEMP-1
BENTLER-1
BENTLER-2
ANNE-LOSE
TEMP-3
BENTLER-1
BENTLER-2
07-04 19:28:48.186 10169-10169/com.example.quickstart I/Message5432: ANNE-LOSE
这是设置条值的方式
int data = in.read();
s = "";
int commas = 0;
int max = 0;
int xa = 0, xa1 = 0,xa2=0;
while (data != -1) {
char ch = (char) data;
if (ch != ',')
{
s = s + ch;
data = in.read();
continue;
}
else
{
++commas;
s = s + " ";
if (commas == 8) {
barEntries.add(new BarEntry(xa, Float.parseFloat(s)));
Log.i("FTP", s);
++xa;
}
if (commas == 6) {
barEntries1.add(new BarEntry(xa1, Float.parseFloat(s)));
Log.i("FTP", s);
++xa1;
}
if (commas == 4) {
machines.add(s);
Log.i("FTP", s);
}
gblprpd.add(s);
s = "";
}
data = in.read();
if (commas == 8) {
s = s + (char) data;
for (int i = 0; i < 5; ++i)
s = s + (char) in.read();
s = s + " ";
percentage.add(new BarEntry(xa2,Float.parseFloat(s)));
++xa2;
gblprpd.add(s);
s = "";
commas = 0;
data = in.read();
}
}
这是来自服务器的输入(值不同,但格式相同 . )
我希望我已经为您提供了足够的信息 . 请随时提出要求 . 在此先感谢您的时间 .
1 回答
发生这种情况是因为您必须为xAxis指定确切的标签数量:
另见:https://stackoverflow.com/a/48116532/3101777