修复横轴显示bug;

Author: huangyanbin

app/src/main/java/com/bin/david/smartchart/ScatterChartActivity.java

@@ -27,6 +27,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Random;
 
 public class ScatterChartActivity extends AppCompatActivity {
 
@@ -43,49 +44,22 @@ protected void onCreate(Bundle savedInstanceState) {
         Resources res = getResources();
         FontStyle.setDefaultTextSpSize(this,12);
         List<String> chartYDataList = new ArrayList<>();
-        chartYDataList.add("Tokyo");
-        chartYDataList.add("Paris");
-        chartYDataList.add("Hong Kong");
-        chartYDataList.add("Singapore");
-        chartYDataList.add("Sydney");
-        chartYDataList.add("Milano");
-        chartYDataList.add("Shanghai");
-        chartYDataList.add("Beijing");
-        chartYDataList.add("Madrid");
-        chartYDataList.add("Moscow");
-        chartYDataList.add("Seoul");
-        chartYDataList.add("Bangkok");
+        for(int i =0; i <100;i++){
+            chartYDataList.add("huang");
+            chartYDataList.add("li");
+        }
         List<LineData> ColumnDatas = new ArrayList<>();
         ArrayList<Double> tempList1 = new ArrayList<>();
-        tempList1.add(26d);
-        tempList1.add(35d);
-        tempList1.add(40d);
-        tempList1.add(-20d);
-        tempList1.add(26d);
-        tempList1.add(35d);
-        tempList1.add(-40d);
-        tempList1.add(10d);
-        tempList1.add(26d);
-        tempList1.add(-15d);
-        tempList1.add(40d);
-        tempList1.add(10d);
+        Random random = new Random();
+        for(int i =0; i <100;i++){
+            tempList1.add((double)random.nextInt(70));
+            tempList1.add((double)random.nextInt(70));
+        }
         LineData columnData1 = new LineData("Temperature","℃", IAxis.AxisDirection.RIGHT,getResources().getColor(R.color.arc3),tempList1);
-        ArrayList<Double> humidityList = new ArrayList<>();
-        humidityList.add(60d);
-        humidityList.add(50d);
-        humidityList.add(30d);
-        humidityList.add(65d);
-        humidityList.add(60d);
-        humidityList.add(100d);
-        humidityList.add(80d);
-        humidityList.add(65d);
-        humidityList.add(60d);
-        humidityList.add(50d);
-        humidityList.add(30d);
-        humidityList.add(65d);
-        LineData columnData2 = new LineData("Humidity","RH%",getResources().getColor(R.color.arc2),humidityList);
+        //ArrayList<Double> humidityList = new ArrayList<>();
+
         ColumnDatas.add(columnData1);
-        ColumnDatas.add(columnData2);
+       // ColumnDatas.add(columnData2);
         ChartData<LineData> chartData2 = new ChartData<>("Scatter chart",chartYDataList,ColumnDatas);
 
         lineChart.setLineModel(LineChart.CURVE_MODEL);
@@ -142,7 +116,7 @@ protected void onCreate(Bundle savedInstanceState) {
         PointStyle style = legendPoint.getPointStyle();
         style.setShape(PointStyle.RECT);
         lineChart.getLegend().setPercent(0.2f);
-        lineChart.getHorizontalAxis().setRotateAngle(45);
+        //lineChart.getHorizontalAxis().setRotateAngle(45);
         lineChart.getHorizontalAxis().setAxisDirection(IAxis.AxisDirection.TOP);
         lineChart.getProvider().setDrawLine(false);
         lineChart.getHorizontalAxis().setFormat(new IFormat<String>() {

chart/src/main/java/com/daivd/chart/component/axis/HorizontalAxis.java

@@ -41,6 +41,7 @@ public void computeScale(ChartData<? extends BarData> chartData, Rect rect, Pain
                String formatData = formatData(xData);
                if (maxLength < formatData.length()) {
                    maxLengthXData = formatData;
+                   maxLength = formatData.length();
                }
            }
           textWidth = (int) paint.measureText(maxLengthXData);