导入的XUpdate:2.0.1包，却报这个错误：Unable to get provider com.xuexiang.xupdate.utils.UpdateFileProvider

E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.smartpos.quancun, PID: 2948
    java.lang.RuntimeException: Unable to get provider com.xuexiang.xupdate.utils.UpdateFileProvider: java.lang.ClassNotFoundException: Didn't find class "com.xuexiang.xupdate.utils.UpdateFileProvider" on path: DexPathList[[zip file "/data/app/com.smartpos.quancun-2/base.apk"],nativeLibraryDirectories=[/data/app/com.smartpos.quancun-2/lib/arm, /vendor/lib, /system/lib]]
        at android.app.ActivityThread.installProvider(ActivityThread.java:5028)
        at android.app.ActivityThread.installContentProviders(ActivityThread.java:4620)
        at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4560)
        at android.app.ActivityThread.access$1500(ActivityThread.java:151)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1380)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:135)
        at android.app.ActivityThread.main(ActivityThread.java:5280)
        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:963)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:758)
     Caused by: java.lang.ClassNotFoundException: Didn't find class "com.xuexiang.xupdate.utils.UpdateFileProvider" on path: DexPathList[[zip file "/data/app/com.smartpos.quancun-2/base.apk"],nativeLibraryDirectories=[/data/app/com.smartpos.quancun-2/lib/arm, /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.app.ActivityThread.installProvider(ActivityThread.java:5013)
        at android.app.ActivityThread.installContentProviders(ActivityThread.java:4620) 
        at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4560) 
        at android.app.ActivityThread.access$1500(ActivityThread.java:151) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1380) 
        at android.os.Handler.dispatchMessage(Handler.java:102) 
        at android.os.Looper.loop(Looper.java:135) 
        at android.app.ActivityThread.main(ActivityThread.java:5280) 
        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:963) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:758) 
        Suppressed: java.lang.NoClassDefFoundError: com.xuexiang.xupdate.utils.UpdateFileProvider
        at dalvik.system.DexFile.defineClassNative(Native Method)
        at dalvik.system.DexFile.defineClass(DexFile.java:226)
        at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:219)
        at dalvik.system.DexPathList.findClass(DexPathList.java:321)
        at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
                ... 14 more
        Suppressed: java.lang.ClassNotFoundException: com.xuexiang.xupdate.utils.UpdateFileProvider
        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)
                ... 13 more
     Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available

https://blog.csdn.net/qq_33595823/article/details/81283780

检查一下清单文件是否配置了该provider