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stockchart's Issues

线条显示问题

你好,在android7.0版本中,假设成交价中有个值为Float.NaN的话,整条线会消失,均价同上,请问怎么处理呢

Attempt to invoke virtual method 'void com.kevin.zhang.minutes.myChart.MyYAxis.setAxisMaxValue(float)' on a null object reference

06-25 10:45:19.645 332-332/com.kevin.zhang E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.kevin.zhang, PID: 332
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.kevin.zhang/com.kevin.zhang.minutes.MinutesActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.kevin.zhang.minutes.myChart.MyYAxis.setAxisMaxValue(float)' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2646)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.kevin.zhang.minutes.myChart.MyYAxis.setAxisMaxValue(float)' on a null object reference
at com.kevin.zhang.minutes.MinutesActivity.setData(MinutesActivity.java:245)
at com.kevin.zhang.minutes.MinutesActivity.getOffLineData(MinutesActivity.java:355)
at com.kevin.zhang.minutes.MinutesActivity.onCreate(MinutesActivity.java:78)
at android.app.Activity.performCreate(Activity.java:6664)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2599)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707) 
at android.app.ActivityThread.-wrap12(ActivityThread.java) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:154) 
at android.app.ActivityThread.main(ActivityThread.java:6077) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755) 

public class MyBarChart extends BarChart {
...
@OverRide
public MyXAxis getXAxis() {
XAxis xAxis = super.getXAxis();
MyXAxis xAxis1 = (MyXAxis) xAxis;//error
return xAxis1;
}
...
}

我使用的MPAndroidChart版本是3.0.3

如何给柱状图的每个柱子设置单独的颜色

如何给柱状图的每个柱子设置单独的颜色,最近项目有这样的需求,但找不到相应的入口,用barDataSet.setColor(Color.BLUE);可以给整个柱状图设置统一颜色,用barDataSet.setColors(new int[]{Color.BLUE,Color.YELLOW});或者颜色数组有多种颜色时,这些颜色完全失效,柱状图会显示固定的红色和绿色的柱子,通过观察应该是比前一个柱子增高的会显示红色,降低的会显示绿色,没办法更改。能否根据一定规则单独设置每个柱子的颜色。

如何放大分时图

你好,请问一下怎么放大分时图,因为我做的走势,价格相差都很小。还有走势如何充满整个x轴呢? 如何在一个区间内确定数据数量呢,比如说9:30到10:00是10个数据。

Y轴横向线抖动的问题

leftYAxis = combinedChart.getAxisLeft();
leftYAxis.setLabelCount(5, true);
当我把labelCount的第二个参数设置true后,滑动蜡烛图,Y轴的数字就会抖动了。请问该怎么解决.

Y轴数据颜色

请问下,怎么把Y轴的数据,最大值和最小值设置不同颜色呢

xvalue

想问下大神,您的demo里面怎么让X轴坐标随着接口返回的X轴数据动态显示,有多少显示多少啊?

LineData对象 new的时候 报空指针

首先感谢大神...
我的需求是做一个6 12 18 24 6这几个点固定为x轴划分,按照你的样子,重写了需要重写的,但是到
LineData lineData = new LineData(getMinutesCount(), lineDataSets);
这一步的时候,会报空指针,参数我能确定都不是空,你有碰到这种问题么?

大神

大神 自定义分时图初始化宽度显示不够,求解

问题

你好,哥们儿,我想问下,你的安卓版的分时图 K线图实现到哪种程度了,到你放的gif图的那种效果了吗?

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