2016-04-24 106 views
1

我想在android中使用GraphView繪製線圖。 我可以在y軸上打印標籤,但x軸上的標籤不會顯示,也不會相對於x軸正確繪製點。有人可以請幫助。如何在GraphView中自定義x軸android

請在下面找到

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout 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: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.example.GraphActivity"> 

    <TextView 
     android:id="@+id/linetext" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:text="Bar Graph" 
     android:textSize="16dp" 
     android:layout_marginBottom="20dp"/> 

    <com.jjoe64.graphview.GraphView 
     android:layout_width="match_parent" 
     android:layout_height="match_parent" 
     android:title="Graph Title" 
     android:id="@+id/graph" 
     android:layout_below="@+id/linetext"/> 

</RelativeLayout> 

我的XML代碼的活動代碼如下。

package com.example; 

import android.os.Bundle; 
import android.support.v7.app.AppCompatActivity; 
import com.jjoe64.graphview.GraphView; 
import com.jjoe64.graphview.series.DataPoint; 
import com.jjoe64.graphview.series.LineGraphSeries; 
import com.jjoe64.graphview.helper.StaticLabelsFormatter; 

public class GraphActivity extends AppCompatActivity { 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.graph_activity_layout); 

     // Line Graph 
     GraphView line_graph = (GraphView) findViewById(R.id.graph); 
     LineGraphSeries<DataPoint> line_series = 
       new LineGraphSeries<DataPoint>(new DataPoint[] { 
         new DataPoint(100, -20), 
         new DataPoint(1000, -15), 
         new DataPoint(10000, -10), 
         new DataPoint(12000, -5), 
         new DataPoint(14000, 0), 
         new DataPoint(16000, 5), 
         new DataPoint(18000, 10), 
         new DataPoint(19000, 15), 
         new DataPoint(21000, 20) 
       }); 
     line_graph.addSeries(line_series); 
     line_series.setDrawDataPoints(true); 
     line_series.setDataPointsRadius(10); 

     // set the bound 

     // set manual X bounds 
     StaticLabelsFormatter staticLabelsFormatter = new StaticLabelsFormatter(line_graph); 
     staticLabelsFormatter.setVerticalLabels(new String[] {"-20", "-15", "-10","-5","0","5","10","15","20"}); 
     line_graph.getGridLabelRenderer().setLabelFormatter(staticLabelsFormatter); 

     // set manual Y bounds 
     staticLabelsFormatter.setHorizontalLabels(new String[] {"0","100","1000","10000","24000"}); 
     line_graph.getGridLabelRenderer().setLabelFormatter(staticLabelsFormatter); 

     line_graph.getViewport().setScrollable(true); 

    } 
} 

我得到的圖顯示在下面。

enter image description here

我得到y軸的標籤顯示的是-20,-15,-10等,但x軸出故障。我有2個問題

  1. 我試過一切,但然後x軸標籤不顯示。 (是的,我已經將x軸標記爲不均勻的(「0」,「100」,「1000」,「0」,「100」,「160」 10000" ,‘24000’),它是在GraphView不允許?因此圖形繪製錯了嗎?

如果是這樣,我可以用一個均勻分佈的情況,但標籤的顯示至少是重要的我

能有人幫。

在此先感謝。

回答

0

使用此代碼:

graph1.getViewport().setYAxisBoundsManual(true); 
graph1.getViewport().setXAxisBoundsManual(true); 
0

點擊這是我的輸出:

使用此代碼

graph1.getViewport().setYAxisBoundsManual(true); 
graph1.getViewport().setXAxisBoundsManual(true);