1。java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack trace available
报错信息如下：
2022-07-04 14:29:36.154 1743-1743/? E/BaseLib ExU: ====printThrowableInfo begin====
2022-07-04 14:29:36.160 1743-1743/? E/BaseLib ExU: java.lang.RuntimeException: Unable to get provider android.support.v4.content.FileProvider: java.lang.ClassNotFoundException: Didn't find class "android.support.v4.content.FileProvider" on path: DexPathList[[zip file "/data/app/com.xjlmj.w5144-1/base.apk"],nativeLibraryDirectories=[/data/app/com.xjlmj.w5144-1/lib/arm, /data/app/com.xjlmj.w5144-1/base.apk!/lib/armeabi-v7a, /vendor/lib, /system/lib]]
at android.app.ActivityThread.installProvider(ActivityThread.java:5278)
at android.app.ActivityThread.installContentProviders(Acti