报错：Binary XML file line #7: Error inflating class android

最近学习RecyclerView,使用eclipse引用RecyclerView，编写完demo后编译没有问题，一运行就挂掉，错误如下：

07-22 23:05:34.553: D/AndroidRuntime(2968): Shutting down VM
07-22 23:05:34.560: E/AndroidRuntime(2968): FATAL EXCEPTION: main
07-22 23:05:34.560: E/AndroidRuntime(2968): Process: com.zh.myrecyclerview,PID: 2968
07-22 23:05:34.560: E/AndroidRuntime(2968): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.zh.myrecyclerview/com.zh.myrecyclerview
.MainActivity}: android.view.InflateException: Binary XML file line #7: Error inflating class android.support.v7.widget.RecyclerView
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2298)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.app.ActivityThread.access$800(ActivityThread.java:144)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.os.Handler.dispatchMessage(Handler.java:102)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.os.Looper.loop(Looper.java:135)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.app.ActivityThread.main(ActivityThread.java:5221)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at java.lang.reflect.Method.invoke(Native Method)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at java.lang.reflect.Method.invoke(Method.java:372)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
07-22 23:05:34.560: E/AndroidRuntime(2968): Caused by: android.view.InflateException: Binary XML file line #7: Error inflating class android.support.v7.widget.RecyclerView
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.view.LayoutInflater.createView(LayoutInflater.java:633)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:377)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.app.Activity.setContentView(Activity.java:2144)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at com.zh.myrecyclerview.MainActivity.onCreate(MainActivity.java:20)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.app.Activity.performCreate(Activity.java:5933)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2251)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	... 10 more
07-22 23:05:34.560: E/AndroidRuntime(2968): Caused by: java.lang.reflect.InvocationTargetException
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at java.lang.reflect.Constructor.newInstance(Native Method)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at java.lang.reflect.Constructor.newInstance(Constructor.java:288)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.view.LayoutInflater.createView(LayoutInflater.java:607)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	... 21 more
07-22 23:05:34.560: E/AndroidRuntime(2968): Caused by: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/support/v7/recyclerview/R$styleable;
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.support.v7.widget.RecyclerView.<init>(RecyclerView.java:434)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at android.support.v7.widget.RecyclerView.<init>(RecyclerView.java:404)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	... 24 more
07-22 23:05:34.560: E/AndroidRuntime(2968): Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.v7.recyclerview.R$styleable" on path: DexPathList[[zip file "/data/app/com.zh.myrecyclerview-1/base.apk"],nativeLibraryDirectories=[/vendor/lib,/system/lib]]
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
07-22 23:05:34.560: E/AndroidRuntime(2968): 	... 26 more
07-22 23:05:34.560: E/AndroidRuntime(2968): 	Suppressed: java.lang.ClassNotFoundException: android.support.v7.recyclerview.R$styleable
07-22 23:05:34.560: E/AndroidRuntime(2968): 		at java.lang.Class.classForName(Native Method)
07-22 23:05:34.560: E/AndroidRuntime(2968): 		at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
07-22 23:05:34.560: E/AndroidRuntime(2968): 		at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
07-22 23:05:34.560: E/AndroidRuntime(2968): 		at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
07-22 23:05:34.560: E/AndroidRuntime(2968): 		... 27 more
07-22 23:05:34.560: E/AndroidRuntime(2968): 	Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available
07-22 23:05:37.406: I/Process(2968): Sending signal. PID: 2968 SIG: 9

试了很多方法都不行，整了半天，终于搞定，原来在eclipse中使用RecyclerView只能导入API21.0.0中的包才可以使用。

解决办法：进入sdkextrasandroidm2repositorycomandroidsupportrecyclerview-v721.0.0目录，找到recyclerview-v7-21.0.0.aar这个文件。用解压软件解压此文件里面有classes.jar，把这个jar包放到项目中的libs文件下即可。这个jar包就是RecyclerView要使用的，可以给它改个名字例如android-support-v7-recyclerview.jar,便于查看。

（编辑：李大同）

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