java.lang.RuntimeException: Unable to get provider com.blankj.utilcode.util.Utils$FileProvider4UtilCode: java.lang.ClassNotFoundException: Didn't find class "com.blankj.utilcode.util.Utils$FileProvider4UtilCode" on path: DexPathList[[zip file "/data/app/com.njsoft.retrofittest-1/base.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_dependencies_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_0_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_1_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_2_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_3_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_4_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_5_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_6_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_7_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_8_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/data/app/com.njsoft.retrofittest-1/lib/x86, /system/lib, /vendor/lib]] at android.app.ActivityThread.installProvider(ActivityThread.java:5856) at android.app.ActivityThread.installContentProviders(ActivityThread.java:5445) at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5384) at android.app.ActivityThread.-wrap2(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1545) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:154) at android.app.ActivityThread.main(ActivityThread.java:6119) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776) Caused by: java.lang.ClassNotFoundException: Didn't find class "com.blankj.utilcode.util.Utils$FileProvider4UtilCode" on path: DexPathList[[zip file "/data/app/com.njsoft.retrofittest-1/base.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_dependencies_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_0_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_1_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_2_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_3_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_4_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_5_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_6_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_7_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_8_apk.apk", zip file "/data/app/com.njsoft.retrofittest-1/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/data/app/com.njsoft.retrofittest-1/lib/x86, /system/lib, /vendor/lib]] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56) at java.lang.ClassLoader.loadClass(ClassLoader.java:380) at java.lang.ClassLoader.loadClass(ClassLoader.java:312) at android.app.ActivityThread.installProvider(ActivityThread.java:5841) at android.app.ActivityThread.installContentProviders(ActivityThread.java:5445) at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5384) at android.app.ActivityThread.-wrap2(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1545) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:154) at android.app.ActivityThread.main(ActivityThread.java:6119) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)