Question

我在我的代码中成功创建了jar库，但在我的xml文件中调用了

 06-08 18:55:23.715: E/AndroidRuntime(13218): java.lang.RuntimeException: Unable to start activity ComponentInfo: android.view.InflateException: Binary XML file line #6: Error inflating class android.jar.com.jjoe64.graphview.BarGraphView

异常。 jar文件在这里github-jjoe64/GraphView

 06-08 19:46:22.023: E/AndroidRuntime(19764): FATAL EXCEPTION: main
06-08 19:46:22.023: E/AndroidRuntime(19764): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.zxl.Timetable/com.zxl.Timetable.ui.CurriculumAllInfo}: android.view.InflateException: Binary XML file line #6: Error inflating class com.jjoe64.graphview.BarGraphView
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2307)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2357)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.app.ActivityThread.access$600(ActivityThread.java:153)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1247)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.os.Handler.dispatchMessage(Handler.java:99)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.os.Looper.loop(Looper.java:137)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.app.ActivityThread.main(ActivityThread.java:5226)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at java.lang.reflect.Method.invokeNative(Native Method)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at java.lang.reflect.Method.invoke(Method.java:511)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at dalvik.system.NativeStart.main(Native Method)
06-08 19:46:22.023: E/AndroidRuntime(19764): Caused by: android.view.InflateException: Binary XML file line #6: Error inflating class com.jjoe64.graphview.BarGraphView
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.view.LayoutInflater.createView(LayoutInflater.java:596)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:687)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:270)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.app.Activity.setContentView(Activity.java:1881)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at com.zxl.Timetable.ui.CurriculumAllInfo.onCreate(CurriculumAllInfo.java:39)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.app.Activity.performCreate(Activity.java:5104)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2261)
06-08 19:46:22.023: E/AndroidRuntime(19764):    ... 11 more
06-08 19:46:22.023: E/AndroidRuntime(19764): Caused by: java.lang.NoSuchMethodException: <init> [class android.content.Context, interface android.util.AttributeSet]
06-08 19:46:22.023: E/AndroidRuntime(19764):    at java.lang.Class.getConstructorOrMethod(Class.java:460)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at java.lang.Class.getConstructor(Class.java:431)
06-08 19:46:22.023: E/AndroidRuntime(19764):    at android.view.LayoutInflater.createView(LayoutInflater.java:561)
06-08 19:46:22.023: E/AndroidRuntime(19764):    ... 22 more

@ jjoe64

Answer 1

创建一个文件夹

库

在您的项目中

并在其中添加该jar文件

右键单击该jar文件

- ＆gt;构建路径 - ＆gt;添加到构建路径

Answer 2

您尝试在布局文件中使用的View需要实现采用Context和AttributeSet的双参数构造函数，因为它是由...使用的构造函数布局inflater。您的View没有，因此无法在布局XML资源中使用。

我应该如何在Android布局中使用jar库？

2 个答案: