Java – a strange runtimeException occurs when running an Android Application on some devices

• Java

I recently made an Android application and released a beta version to someone for testing purposes Everything seems to be fine, except that some devices can't run applications After investigation, the following exception occurred when opening the application:

E/AndroidRuntime: FATAL EXCEPTION: main
Process: ir.irancell.neshan,PID: 23340
java.lang.RuntimeException: Unable to instantiate application com.android.tools.fd.runtime.BootstrapApplication: java.lang.ClassNotFoundException: Didn't find class "com.android.tools.fd.runtime.BootstrapApplication" on path: DexPathList[[zip file "/data/app/ir.irancell.neshan-1.apk"],nativeLibraryDirectories=[/data/app-lib/ir.irancell.neshan-1,/vendor/lib,/system/lib]]
    at android.app.LoadedApk.makeApplication(LoadedApk.java:516)
    at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4722)
    at android.app.ActivityThread.access$1600(ActivityThread.java:172)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1368)
    at android.os.Handler.dispatchMessage(Handler.java:102)
    at android.os.Looper.loop(Looper.java:146)
    at android.app.ActivityThread.main(ActivityThread.java:5653)
    at java.lang.reflect.Method.invokeNative(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:515)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1291)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1107)
    at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.android.tools.fd.runtime.BootstrapApplication" on path: DexPathList[[zip file "/data/app/ir.irancell.neshan-1.apk"],/system/lib]]
    at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:67)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:497)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:457)
    at android.app.Instrumentation.newApplication(Instrumentation.java:981)
    at android.app.LoadedApk.makeApplication(LoadedApk.java:511)
    at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4722) 
    at android.app.ActivityThread.access$1600(ActivityThread.java:172) 
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1368) 
    at android.os.Handler.dispatchMessage(Handler.java:102) 
    at android.os.Looper.loop(Looper.java:146) 
    at android.app.ActivityThread.main(ActivityThread.java:5653) 
    at java.lang.reflect.Method.invokeNative(Native Method) 
    at java.lang.reflect.Method.invoke(Method.java:515) 
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1291) 
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1107) 
    at dalvik.system.NativeStart.main(Native Method)

Oddly enough, when I connect those problematic devices to Android studio and compile the application specifically for them, the application works well However, if I generate an APK file and install them separately, some devices still have this problem Some people say (here and here) that the culprit of Google search is the instant run function, but I don't think instant run is responsible when you use the generated signature APK What could be the problem?

Solution

Yes, it seems that instant run is the culprit here So disabling it solves this problem

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