I am tested my android app on firebase lab test. And my app pass 6 devices and and fail on 8 devices I am found in debug report this error for most of failures : Unable to instantiate activity. Why it's runing on 6 devices and fail on this 9 devices ?
Here is the tests that faild :
1- Robo test, Galaxy Note 3 Duos, API Level 19:
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.apk4android.salluu3alayhie/com.apk4android.salluu3alayhie.SplashScreen}: java.lang.ClassNotFoundException: Didn't find class "com.apk4android.salluu3alayhie.SplashScreen" on path: DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file "/data/app/com.google.android.apps.mtaas.crawler-1.apk", zip file "/data/app/com.apk4android.salluu3alayhie-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.google.android.apps.mtaas.crawler-1, /data/app-lib/com.apk4android.salluu3alayhie-1, /vendor/lib, /system/lib]]
2- Robo test, Xperia Z3, API Level 21 :
FATAL EXCEPTION: main Process: com.apk4android.salluu3alayhie, PID: 12050 java.lang.IllegalArgumentException: radius must be > 0.
3- Robo test, HTC One (M8), API Level 19
FATAL EXCEPTION: main Process: com.apk4android.salluu3alayhie, PID: 16853 java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.apk4android.salluu3alayhie/com.apk4android.salluu3alayhie.SplashScreen}: java.lang.ClassNotFoundException: Didn't find class com.apk4android.salluu3alayhie.SplashScreen" on path: DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file "/data/app/com.google.android.apps.mtaas.crawler-1.apk", zip file "/data/app/com.apk4android.salluu3alayhie-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.google.android.apps.mtaas.crawler-1, /data/app-lib/com.apk4android.salluu3alayhie-1, /vendor/lib, /system/lib, /vendor/lib]]
4- Robo test, Nexus 7 (2012), Virtual, API Level 19:
FATAL EXCEPTION: main Process: com.apk4android.salluu3alayhie, PID: 5004 java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.apk4android.salluu3alayhie/com.apk4android.salluu3alayhie.SplashScreen}: java.lang.ClassNotFoundException: Didn't find class com.apk4android.salluu3alayhie.SplashScreen" on path: DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file /data/app/com.google.android.apps.mtaas.crawler-1.apk", zip file "/data/app/com.apk4android.salluu3alayhie-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.google.android.apps.mtaas.crawler-1, /data/app-lib/com.apk4android.salluu3alayhie-1, /vendor/lib, /system/lib]]
5- Robo test, Nexus 10, Virtual, API Level 21 :
FATAL EXCEPTION: main Process: com.apk4android.salluu3alayhie, PID: 12050 java.lang.IllegalArgumentException: radius must be > 0.
6- Robo test, Nexus 10, Virtual, API Level 19 :
FATAL EXCEPTION: main Process: com.apk4android.salluu3alayhie, PID: 6656 java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.apk4android.salluu3alayhie/com.apk4android.salluu3alayhie.SplashScreen}: java.lang.ClassNotFoundException: Didn't find class com.apk4android.salluu3alayhie.SplashScreen" on path: DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file /data/app/com.google.android.apps.mtaas.crawler-1.apk", zip file "/data/app/com.apk4android.salluu3alayhie-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.google.android.apps.mtaas.crawler-1, /data/app-lib/com.apk4android.salluu3alayhie-1, /vendor/lib, /system/lib]]
7- Robo test, Galaxy S4 mini, API Level 19:
FATAL EXCEPTION: main Process: com.apk4android.salluu3alayhie, PID: 9465 java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.apk4android.salluu3alayhie/com.apk4android.salluu3alayhie.SplashScreen}: java.lang.ClassNotFoundException: Didn't find class "com.apk4android.salluu3alayhie.SplashScreen" on path: DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file "/data/app/com.google.android.apps.mtaas.crawler-1.apk", zip file "/data/app/com.apk4android.salluu3alayhie-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.google.android.apps.mtaas.crawler-1, /data/app-lib/com.apk4android.salluu3alayhie-1, /vendor/lib, /system/lib]]
8- Robo test, Nexus 4, Virtual, API Level 19:
FATAL EXCEPTION: main Process: com.apk4android.salluu3alayhie, PID: 4902 java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.apk4android.salluu3alayhie/com.apk4android.salluu3alayhie.SplashScreen}: java.lang.ClassNotFoundException: Didn't find class "com.apk4android.salluu3alayhie.SplashScreen" on path: DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file "/data/app/com.google.android.apps.mtaas.crawler-1.apk", zip file "/data/app/com.apk4android.salluu3alayhie-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.google.android.apps.mtaas.crawler-1, /data/app-lib/com.apk4android.salluu3alayhie-1, /vendor/lib, /system/lib]]
