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我正在使用MPAndroidChart。我有以下活動 - StockDetail.JavaMPAndroidChart,Y軸比例得到更新,但行不是
公共類StockDetail延伸AppCompatActivity {ArrayList的 historicalData = NULL;
@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); SharedPreferences prefs=getApplicationContext().getSharedPreferences("arrayList",Context.MODE_PRIVATE); try { historicalData = (ArrayList<HistoricalData>) ObjectSerializer.deserialize(prefs.getString( Utils.ARRAY_LIST, ObjectSerializer.serialize(new ArrayList<HistoricalData>()))); } catch (IOException e) { e.printStackTrace(); } catch (ClassNotFoundException e) { e.printStackTrace(); } setContentView(R.layout.stock_detail); LineChart lineChart=(LineChart) findViewById(R.id.lineChart); List<Entry> datas=new ArrayList<>(); ArrayList<Float> floats=getDateInFloatValues(historicalData); HistoricalData hData; for (int i=0; i<historicalData.size(); i++) { hData=historicalData.get(i); datas.add(new Entry(floats.get(i),Float.parseFloat(hData.getHigh()))); } LineDataSet lineDataSet=new LineDataSet(datas,"LineData"); lineDataSet.setColor(R.color.material_red_700); LineData lineData=new LineData(lineDataSet); lineChart.setData(lineData); lineChart.invalidate(); }
}
在Y軸刻度被更新,但沒有線,下面是截圖:
好像有一些問題,我代碼,請讓我知道