android version: 7.0
errror:
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.bike_miner, PID: 10506
java.lang.RuntimeException: Unable to get provider androidx.startup.InitializationProvider: java.lang.ClassNotFoundException: Didn't find class "androidx.startup.InitializationProvider" on path: DexPathList[[zip file "/data/app/com.example.bike_miner-1/base.apk"],nativeLibraryDirectories=[/data/app/com.example.bike_miner-1/lib/arm64, /system/lib64, /vendor/lib64, /system/vendor/lib64, /custom/lib64]]
at android.app.ActivityThread.installProvider(ActivityThread.java:5977)
at android.app.ActivityThread.installContentProviders(ActivityThread.java:5545)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5484)
at android.app.ActivityThread.-wrap2(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1595)
at android.os.Handler.dispatchMessage(Handler.java:110)
at android.os.Looper.loop(Looper.java:203)
at android.app.ActivityThread.main(ActivityThread.java:6251)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1063)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:924)
Caused by: java.lang.ClassNotFoundException: Didn't find class "androidx.startup.InitializationProvider" on path: DexPathList[[zip file "/data/app/com.example.bike_miner-1/base.apk"],nativeLibraryDirectories=[/data/app/com.example.bike_miner-1/lib/arm64, /system/lib64, /vendor/lib64, /system/vendor/lib64, /custom/lib64]]
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:5962)
at android.app.ActivityThread.installContentProviders(ActivityThread.java:5545)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5484)
at android.app.ActivityThread.-wrap2(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1595)
at android.os.Handler.dispatchMessage(Handler.java:110)
at android.os.Looper.loop(Looper.java:203)
at android.app.ActivityThread.main(ActivityThread.java:6251)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1063)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:924)
Suppressed: java.io.IOException: Failed to open dex files from /data/app/com.example.bike_miner-1/base.apk because: Failed to open dex file '/data/app/com.example.bike_miner-1/base.apk' from memory: Unrecognized version number in /data/app/com.example.bike_miner-1/base.apk: 0 3 9
at dalvik.system.DexFile.openDexFileNative(Native Method)
at dalvik.system.DexFile.openDexFile(DexFile.java:373)
at dalvik.system.DexFile.<init>(DexFile.java:113)
at dalvik.system.DexFile.<init>(DexFile.java:78)
at dalvik.system.DexPathList.loadDexFile(DexPathList.java:359)
at dalvik.system.DexPathList.makeElements(DexPathList.java:323)
at dalvik.system.DexPathList.makeDexElements(DexPathList.java:263)
at dalvik.system.DexPathList.<init>(DexPathList.java:126)
at dalvik.system.BaseDexClassLoader.<init>(BaseDexClassLoader.java:48)
at dalvik.system.PathClassLoader.<init>(PathClassLoader.java:64)
at com.android.internal.os.PathClassLoaderFactory.createClassLoader(PathClassLoaderFactory.java:43)
at android.app.ApplicationLoaders.getClassLoader(ApplicationLoaders.java:58)
at android.app.LoadedApk.createOrUpdateClassLoaderLocked(LoadedApk.java:525)
at android.app.LoadedApk.getClassLoader(LoadedApk.java:558)
at android.app.ActivityThread.getTopLevelResources(ActivityThread.java:1921)
at android.app.LoadedApk.getResources(LoadedApk.java:771)
at android.app.ContextImpl.<init>(ContextImpl.java:2055)
at android.app.ContextImpl.createAppContext(ContextImpl.java:2000)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5394)
... 8 more