Androidplot - 切断X轴标签

Question

我正在创建条形图，但遇到了平板电脑上切断x轴标签的问题。附加的是手机上的正确布局和平板电脑上的错误布局。

是否有人知道为什么在平板电脑上出现此问题以及如何解决问题？

电话布局

https://drive.google.com/file/d/0B4CxFPSlLEYpdGZCMm8xdGZHTlk/edit?usp=sharing

平板布局

https://drive.google.com/file/d/0B4CxFPSlLEYpakx1WFo3cGhNSTg/edit?usp=sharing

这是我的代码来创建条形图。

布局文件

<ScrollView xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:tools="http://schemas.android.com/tools" 
     android:layout_width="match_parent" 
     android:layout_height="match_parent" 
     android:fillViewport="true" 
     android:paddingBottom="@dimen/activity_vertical_margin" 
     android:paddingLeft="@dimen/activity_horizontal_margin" 
     android:paddingRight="@dimen/activity_horizontal_margin" 
     android:paddingTop="@dimen/activity_vertical_margin" 
     tools:context="com.usage.bigpondpro.MainActivity$PlaceholderFragment" 
     android:id="@+id/svDailyContainter" > 

     <LinearLayout 
      android:layout_width="match_parent" 
      android:layout_height="wrap_content" 
      android:orientation="vertical" > 

      <com.androidplot.xy.XYPlot 
       android:id="@+id/dailyXYPlot" 
       android:layout_width="match_parent" 
       android:layout_height="match_parent" 
       androidPlot.title="Sample Bar Graph" 
       androidPlot.titleWidget.labelPaint.textSize="@dimen/title_font_size" 
       androidPlot.graphWidget.marginTop="20dp" 
       androidPlot.graphWidget.marginLeft="10dp" 
       androidPlot.graphWidget.marginBottom="20dp" 
       androidPlot.graphWidget.marginRight="10dp" 
       androidPlot.rangeLabelWidget.labelPaint.textSize="@dimen/range_label_font_size" 
       androidPlot.domainLabelWidget.labelPaint.textSize="@dimen/range_label_font_size" 
       />  

     </LinearLayout> 
    </ScrollView> 

活动

private void CreateGraph() 
    { 
     // initialize our XYPlot reference: 
     XYPlot plot = (XYPlot)this.findViewById(R.id.dailyXYPlot); 

     // Create 

a couple arrays of y-values to plot: 
     Number[] series1Numbers = GenerateGraphValues(); 

     // Turn the above arrays into XYSeries': 
     XYSeries series1 = new SimpleXYSeries(
     Arrays.asList(series1Numbers),   // SimpleXYSeries takes a List so turn our array into a List 
     SimpleXYSeries.ArrayFormat.Y_VALS_ONLY, // Y_VALS_ONLY means use the element index as the x value 
       "Series1");        // Set the display title of the series 

     BarFormatter series1Format = new BarFormatter(Color.rgb(51, 181, 229), Color.TRANSPARENT); 

     PointLabelFormatter plf = new PointLabelFormatter(); 
     plf.getTextPaint().setTextSize(18); 
     plf.getTextPaint().setColor(Color.BLACK); 
     series1Format.setPointLabelFormatter(plf); 


     series1Format.setPointLabeler(new PointLabeler() { 
      DecimalFormat df = new DecimalFormat("##0.00"); 

      public String getLabel(XYSeries series, int index) { 

       //need to check for null 
       if(series.getY(index) == null) return ""; 

       return df.format(series.getY(index)); 
      } 
     }); 



     // add a new series' to the xyplot: 
     plot.addSeries(series1, series1Format); 


     //Y axis config 
     plot.setRangeLabel("Values"); //label 
     plot.setRangeBoundaries(0, 110, BoundaryMode.FIXED); //scale 
     plot.setRangeStep(XYStepMode.SUBDIVIDE, 5); //steps 
     plot.getGraphWidget().getRangeLabelPaint().setTextSize(26); //font size 

     DecimalFormat nf = new DecimalFormat("#0"); 
     plot.setRangeValueFormat(nf); 

     //X Axs config 
     plot.setDomainLabel("Indexes"); 
     plot.setDomainStep(XYStepMode.SUBDIVIDE, 25); 
     // plot.getGraphWidget().setDomainValueFormat(new GraphXLabelFormat()); 
     plot.getGraphWidget().getDomainLabelPaint().setTextSize(18); 
     plot.getGraphWidget().setDomainLabelVerticalOffset(5); 

     //other config 
     plot.getLegendWidget().setVisible(false); //hide legend 
     plot.getGraphWidget().getDomainGridLinePaint().setColor(Color.TRANSPARENT); //hide grid lines 
     plot.getGraphWidget().getRangeGridLinePaint().setColor(Color.TRANSPARENT); //hide grid lines 
     plot.getGraphWidget().setGridPaddingLeft(40); //give some padding 
     plot.getGraphWidget().setGridPaddingRight(40); //give some padding 
     plot.getGraphWidget().getGridBackgroundPaint().setColor(Color.WHITE); //background color 
     plot.getTitleWidget().setPaddingTop(10); //give some padding 

     //set bar width 
     BarRenderer<?> renderer = (BarRenderer<?>) plot.getRenderer(BarRenderer.class); 
     renderer.setBarWidth(25); 

     //change x lable orientation 
     plot.getGraphWidget().setDomainLabelOrientation(-90); 

     //set graph height and width 

     /** 
     For some reason when the device is in landscape mode the entire graph canvas is blank. 
     Through trial and error if in landscape mode and the screen width is multiplied by 0.96 the graph and all it's data appear again.....why??? 
     **/ 
     DisplayMetrics displaymetrics = new DisplayMetrics(); 
     ((WindowManager) this.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getMetrics(displaymetrics); 

     int Width = (int) (displaymetrics.widthPixels * 0.96); 

     //default to portrait 
     LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT, 750); 
     //need to check the orienation 
     if(IsLandscapeOrientation()) 
     { 
      lp = new LayoutParams(Width, 560); 
     } 

     plot.setLayoutParams(lp); 

    } 

    private Number[] GenerateGraphValues() 
    { 
     int min = 30; 
     int max = 100; 
     int PlotPoints = 25; 
     Number[] series1Numbers = new Number[PlotPoints]; 


     for(int x = 0; x < PlotPoints; x++){ 

      Random r = new Random(); 
      int randomNumber = r.nextInt(max - min + 1) + min; 
      series1Numbers[x] = randomNumber; 

     } 

     return series1Numbers; 

    } 

    private boolean IsLandscapeOrientation() 
    { 
     Display display = ((WindowManager) this.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay(); 
     int rotation = display.getRotation(); 

     boolean IsLandscape; 


     switch (rotation) { 
     case Surface.ROTATION_0: 
     case Surface.ROTATION_180: 
      IsLandscape = false; 
     break; 

     case Surface.ROTATION_90: 
     case Surface.ROTATION_270: 
      IsLandscape = true; 
     break; 

     default: 
      IsLandscape = true; 
     break; 
     } 

     return IsLandscape; 
    } 

Answer 1

的问题似乎是在图形小部件底部边缘空间不足。如果将此添加到您的图的XML：

androidPlot.graphWidget.marginBottom="100dp" 

然后问题应该消失。 100dp可能是矫枉过正，所以你需要拨打它，但你得到的想法:)