Android studio异常Class not found using the boot class loader; no stack available

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01-16 01:50:58.298 9057-9057/? E/AndroidRuntime: FATAL EXCEPTION: main                                                 Process: com.example.administrator.artisanhome, PID: 9057                                                 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.administrator.artisanhome/com.example.administrator.artisanhome.activity.MainActivity}: android.view.InflateException: Binary XML file line #15: Error inflating class com.bigkoo.convenientblanner.ConvenientBanner                                                     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2298)                                                     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)                                                     at android.app.ActivityThread.access$800(ActivityThread.java:144)                                                     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)                                                     at android.os.Handler.dispatchMessage(Handler.java:102)                                                     at android.os.Looper.loop(Looper.java:135)                                                     at android.app.ActivityThread.main(ActivityThread.java:5221)                                                     at java.lang.reflect.Method.invoke(Native Method)                                                     at java.lang.reflect.Method.invoke(Method.java:372)                                                     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)                                                     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)                                                  Caused by: android.view.InflateException: Binary XML file line #15: Error inflating class com.bigkoo.convenientblanner.ConvenientBanner                                                     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:757)                                                     at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)                                                     at android.view.LayoutInflater.rInflate(LayoutInflater.java:809)                                                     at android.view.LayoutInflater.rInflate(LayoutInflater.java:809)                                                     at android.view.LayoutInflater.inflate(LayoutInflater.java:504)                                                     at android.view.LayoutInflater.inflate(LayoutInflater.java:414)                                                     at com.example.administrator.artisanhome.fragments.FirstPagerFragment.onCreateView(FirstPagerFragment.java:23)                                                     at android.support.v4.app.Fragment.performCreateView(Fragment.java:2184)                                                     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1298)                                                     at android.support.v4.app.FragmentManagerImpl.moveFragmentsToInvisible(FragmentManager.java:2323)                                                     at android.support.v4.app.FragmentManagerImpl.executeOpsTogether(FragmentManager.java:2136)                                                     at android.support.v4.app.FragmentManagerImpl.optimizeAndExecuteOps(FragmentManager.java:2092)                                                     at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1998)                                                     at android.support.v4.app.FragmentController.execPendingActions(FragmentController.java:388)                                                     at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:607)                                                     at android.support.v7.app.AppCompatActivity.onStart(AppCompatActivity.java:181)                                                     at com.example.administrator.artisanhome.activity.BaseActivity.onStart(BaseActivity.java:45)                                                     at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1220)                                                     at android.app.Activity.performStart(Activity.java:5949)                                                     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2261)                                                     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)                                                      at android.app.ActivityThread.access$800(ActivityThread.java:144)                                                      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)                                                      at android.os.Handler.dispatchMessage(Handler.java:102)                                                      at android.os.Looper.loop(Looper.java:135)                                                      at android.app.ActivityThread.main(ActivityThread.java:5221)                                                      at java.lang.reflect.Method.invoke(Native Method)                                                      at java.lang.reflect.Method.invoke(Method.java:372)                                                      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)                                                      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)                                                   Caused by: java.lang.ClassNotFoundException: Didn't find class "com.bigkoo.convenientblanner.ConvenientBanner" on path: DexPathList[[zip file "/data/app/com.example.administrator.artisanhome-1/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]                                                     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)                                                     at java.lang.ClassLoader.loadClass(ClassLoader.java:511)                                                     at java.lang.ClassLoader.loadClass(ClassLoader.java:469)                                                     at android.view.LayoutInflater.createView(LayoutInflater.java:571)                                                     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743)                                                     at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)                                                      at android.view.LayoutInflater.rInflate(LayoutInflater.java:809)                                                      at android.view.LayoutInflater.rInflate(LayoutInflater.java:809)                                                      at android.view.LayoutInflater.inflate(LayoutInflater.java:504)                                                      at android.view.LayoutInflater.inflate(LayoutInflater.java:414)                                                      at com.example.administrator.artisanhome.fragments.FirstPagerFragment.onCreateView(FirstPagerFragment.java:23)                                                      at android.support.v4.app.Fragment.performCreateView(Fragment.java:2184)                                                      at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1298)                                                      at android.support.v4.app.FragmentManagerImpl.moveFragmentsToInvisible(FragmentManager.java:2323)                                                      at android.support.v4.app.FragmentManagerImpl.executeOpsTogether(FragmentManager.java:2136)                                                      at android.support.v4.app.FragmentManagerImpl.optimizeAndExecuteOps(FragmentManager.java:2092)                                                      at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1998)                                                      at android.support.v4.app.FragmentController.execPendingActions(FragmentController.java:388)                                                      at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:607)                                                      at android.support.v7.app.AppCompatActivity.onStart(AppCompatActivity.java:181)                                                      at com.example.administrator.artisanhome.activity.BaseActivity.onStart(BaseActivity.java:45)                                                      at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1220)                                                      at android.app.Activity.performStart(Activity.java:5949)                                                      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2261)                                                      at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)                                                      at android.app.ActivityThread.access$800(ActivityThread.java:144)                                                      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)                                                      at android.os.Handler.dispatchMessage(Handler.java:102)                                                      at android.os.Looper.loop(Looper.java:135)                                                      at android.app.ActivityThread.main(ActivityThread.java:5221)                                                      at java.lang.reflect.Method.invoke(Native Method)                                                      at java.lang.reflect.Method.invoke(Method.java:372)                                                      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)                                                      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)                                                     Suppressed: java.lang.ClassNotFoundException: com.bigkoo.convenientblanner.ConvenientBanner                                                     at java.lang.Class.classForName(Native Method)                                                     at java.lang.BootClassLoader.findClass(ClassLoader.java:781)                                                     at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)                                                     at java.lang.ClassLoader.loadClass(ClassLoader.java:504)                                                            ... 32 more                                                  Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available

这个意思是说没有找到根类加载器,然后我又往上看异常信息,发现了猫腻

这个Binary XML file line #15: Error inflating class com.bigkoo.convenientblanner.ConvenientBanner

然后我又看了下这个ConvinientBanner依赖已经导入了,怎么还报错,好吧既然这样,我把这个控件又写了一遍

<com.bigkoo.convenientbanner.ConvenientBanner        android:layout_width="match_parent"        android:layout_height="200dp"        android:id="@+id/banner_cb"        app:canLoop="true"></com.bigkoo.convenientbanner.ConvenientBanner>

因为这个控件我是从别的Activity复制过来的,有可能导致R地址错误,改过果然没事了

对这个问题,网上说重启,也是可以,前提是你确保异常信息你都排除掉了.我的异常解决了,可能大家都各不一样,也有可能lib包未导入等等,大家还是要细心.

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