monkeyrunner - Android.isUserAMonkey throws RuntimeException -


i'm seeing exceptions when activitymanager.isuseramonkey() run on older android devices:

java.lang.runtimeexception: unable start activity componentinfo{com.myapp.androidapp}: java.lang.runtimeexception: unknown exception code: 1 msg null     @ android.app.activitythread.performlaunchactivity(activitythread.java:2781)     @ android.app.activitythread.handlelaunchactivity(activitythread.java:2797)     @ android.app.activitythread.access$2300(activitythread.java:135)     @ android.app.activitythread$h.handlemessage(activitythread.java:2132)     @ android.os.handler.dispatchmessage(handler.java:99)     @ android.os.looper.loop(looper.java:143)     @ android.app.activitythread.main(activitythread.java:4914)     @ java.lang.reflect.method.invokenative(native method)     @ java.lang.reflect.method.invoke(method.java:521)     @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:858)     @ com.android.internal.os.zygoteinit.main(zygoteinit.java:616)     @ dalvik.system.nativestart.main(native method) caused by: java.lang.runtimeexception: unknown exception code: 1 msg null     @ android.os.parcel.readexception(parcel.java:1257)     @ android.os.parcel.readexception(parcel.java:1235)     @ android.app.activitymanagerproxy.isuseramonkey(activitymanagernative.java:2762)     @ android.app.activitymanager.isuseramonkey(activitymanager.java:990)     @ <com.myapp....> ...

there bit of discussion of bug here (including classic thats-not-possible response 1 of developers: "in standard platform implementation pretty not possible.")

https://groups.google.com/forum/?fromgroups=#!topic/android-developers/tqjcm4o4wxm

its not clear me if happens, or happens when running under test monkey, or on devices or what. (i'm running problem using apkudo's device testing service, user monkey.) not clear when fixed, either (it doesn't happen on (all?) newer devices).

the exception seems restricted android 2.2 (sdk version 8) releases. , seems have been bug in android.app.activitymanagernative.

here's 2.2.1 code (found in activitymanagernative.java on grepcode.com):

1248        case is_user_a_monkey_transaction: { 1249            data.enforceinterface(iactivitymanager.descriptor); 1250            reply.writeint(isuseramonkey() ? 1 : 0); 1251            reply.writenoexception(); 1252            return true; 1253        }

here's 2.3.1 code (which seems same more recent 4.x code know works correctly). (also found on grepcode.com):

1248      case is_user_a_monkey_transaction: { 1239            data.enforceinterface(iactivitymanager.descriptor); 1240            boolean arethey = isuseramonkey(); 1241            reply.writenoexception(); 1242            reply.writeint(arethey ? 1 : 0); 1243            return true; 1244        }

notice order of writenoexception , writeint reversed in newer code. corresponding code read parcel seems unchanged since 2.2.1 far can tell:

2749    public boolean isuseramonkey() throws remoteexception { 2750        parcel data = parcel.obtain(); 2751        parcel reply = parcel.obtain(); 2752        data.writeinterfacetoken(iactivitymanager.descriptor); 2753        mremote.transact(is_user_a_monkey_transaction, data, reply, 0); 2754        reply.readexception(); 2755        boolean res = reply.readint() != 0; 2756        data.recycle(); 2757        reply.recycle(); 2758        return res; 2759    }

this side reads exception first, expects data.

the javadoc parcel readexception , writeexception imply record exception in parcel's header (and shouldn't impact actual data in parcel), seems order matter.

this means on sdk version 8 activietymanager.isuseramonkey() api always throw exception, monkey or not. android builds after sdk 8 should not throw exception.

i suspect sdk 8 exception message might different without monkey ("1 msg null" vs. maybe "0 msg null"?), don't have example of exception without monkey running.


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