I'm trying to run the ARVR sample application for Android on an ODG R-7 (Android 6.0.1, API 23). I'm compiling the project with Android Studio 2.3.3.
I've followed the instructions here: https://library.vuforia.com/articles/Solution/Getting-Started-with-Vuforia-for-Android-Development.html
...And created a license key using the License Manager and updated Vuforia.setInitParameters in SampleApplicationSession.java with my license key. When I launch the sample app via Android Studio and click either of the "AR" buttons I get the following error:
"Unfortunately, ARVR has stopped."
Tailing the log with logcat I see that the problem is caused by a ClassNotFoundException: "com.osterhoutgroup.api.ext.ExtendDisplay" can't be found.
Here's the stacktrace:
10-24 13:35:07.205 15104-15104/com.vuforia.samples.ARVR D/AndroidRuntime: Shutting down VM 10-24 13:35:07.207 15104-15104/com.vuforia.samples.ARVR E/AndroidRuntime: FATAL EXCEPTION: main Process: com.vuforia.samples.ARVR, PID: 15104 java.lang.NoClassDefFoundError: Failed resolution of: Lcom/osterhoutgroup/api/ext/ExtendDisplay; at com.vuforia.ar.pl.ODGR7Controller.logMetrics(ODGR7Controller.java:37) at com.vuforia.ar.pl.ODGR7Controller.doSetStereo(ODGR7Controller.java:77) at com.vuforia.ar.pl.ODGR7Controller.access$000(ODGR7Controller.java:21) at com.vuforia.ar.pl.ODGR7Controller$1.run(ODGR7Controller.java:59) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5483) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) Caused by: java.lang.ClassNotFoundException: Didn't find class "com.osterhoutgroup.api.ext.ExtendDisplay" on path: DexPathList[[zip file "/data/app/com.vuforia.samples.ARVR-2/base.apk", zip file "/data/app/com.vuforia.samples.ARVR-2/split_lib_dependencies_apk.apk", zip file "/data/app/com.vuforia.samples.ARVR-2/split_lib_slice_0_apk.apk", zip file "/data/app/com.vuforia.samples.ARVR-2/split_lib_slice_1_apk.apk", zip file "/data/app/com.vuforia.samples.ARVR-2/split_lib_slice_2_apk.apk", zip file "/data/app/com.vuforia.samples.ARVR-2/split_lib_slice_3_apk.apk", zip file "/data/app/com.vuforia.samples.ARVR-2/split_lib_slice_4_apk.apk", zip file "/data/app/com.vuforia.samples.ARVR-2/split_lib_slice_5_apk.apk", zip file "/data/app/com.vuforia.samples.ARVR-2/split_lib_slice_6_apk.apk", zip file "/data/app/com.vuforia.samples.ARVR-2/split_lib_slice_7_apk.apk", zip file "/data/app/com.vuforia.samples.ARVR-2/split_lib_slice_8_apk.apk", zip file "/data/app/com.vuforia.samples.ARVR-2/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/data/app/com.vuforia.samples.ARVR-2/lib/arm, /data/app/com.vuforia.samples.ARVR-2/base.apk!/lib/armeabi-v7a, /data/app/com.vuforia.samples.ARVR-2/split_lib_dependencies_apk.apk!/lib/armeabi-v7a, /data/app/com.vuforia.samples.ARVR-2/split_lib_slice_0_apk.apk!/lib/armeabi-v7a, /data/app/com.vuforia.samples.ARVR-2/split_lib_slice_1_apk.apk!/lib/armeabi-v7a, /data/app/com.vuforia.samples.ARVR-2/split_lib_slice_2_apk.apk!/lib/armeabi-v7a, /data/app/com.vuforia.samples.ARVR-2/split_lib_slice_3_apk.apk!/lib/armeabi-v7a, /data/app/com.vuforia.samples.ARVR-2/split_lib_slice_4_apk.apk!/lib/armeabi-v7a, /data/app/com.vuforia.samples.ARVR-2/split_lib_slice_5_apk.apk!/lib/armeabi-v7a, /data/app/com.vuforia.samples.ARVR-2/split_lib_slice_6_apk.apk!/lib/armeabi-v7a, /data/app/com.vuforia.samples.ARVR-2/split_lib_slice_7_apk.apk!/lib/armeabi-v7a, /data/app/com.vuforia.samples.ARVR-2/split_lib_slice_8_apk.apk!/lib/armeabi-v7a, /data/app/com.vuforia.samples.ARVR-2/split_lib_slice_9_apk.apk!/lib/armeabi-v7a, /vendor/lib, /system/lib]] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56) at java.lang.ClassLoader.loadClass(ClassLoader.java:511) at java.lang.ClassLoader.loadClass(ClassLoader.java:469) at com.vuforia.ar.pl.ODGR7Controller.logMetrics(ODGR7Controller.java:37) at com.vuforia.ar.pl.ODGR7Controller.doSetStereo(ODGR7Controller.java:77) at com.vuforia.ar.pl.ODGR7Controller.access$000(ODGR7Controller.java:21) at com.vuforia.ar.pl.ODGR7Controller$1.run(ODGR7Controller.java:59) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5483) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) Suppressed: java.lang.ClassNotFoundException: com.osterhoutgroup.api.ext.ExtendDisplay at java.lang.Class.classForName(Native Method) at java.lang.BootClassLoader.findClass(ClassLoader.java:781) at java.lang.BootClassLoader.loadClass(ClassLoader.java:841) at java.lang.ClassLoader.loadClass(ClassLoader.java:504) ... 12 more Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack trace available 10-24 13:35:07.314 15104-15696/com.vuforia.samples.ARVR D/AR: RenderManager: Could not retrieve a valid GLSurfaceView in view hierarchy, therefore cannot set any render mode
Any help resolving this issue would be appreciated. Thanks in advance.
Hello rustyalitheon,
Just a few questions for you. What version of Vuforia are you using? Were you connected to wifi? What is the firmware version of your ODG R-7?
Thanks,
-Vuforia Support