question

Hi, A user experienced a crash because of AmazonAd API. Here is the stask: 0 java.lang.RuntimeException: Unable to start activity ComponentInfo{blasd.wishset/com.amazon.device.ads.AdActivity}: java.lang.NullPointerException 1 at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1661) 2 at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1677) 3 at android.app.ActivityThread.access$1500(ActivityThread.java:117) 4 at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931) 5 at android.os.Handler.dispatchMessage(Handler.java:99) 6 at android.os.Looper.loop(Looper.java:130) 7 at android.app.ActivityThread.main(ActivityThread.java:3701) 8 at java.lang.reflect.Method.invokeNative(Native Method) 9 at java.lang.reflect.Method.invoke(Method.java:507) 10 at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 11 at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 12 at dalvik.system.NativeStart.main(Native Method) 13 Caused by: java.lang.NullPointerException 14 at java.lang.Class.classForName(Native Method) 15 at java.lang.Class.forName(Class.java:234) 16 at java.lang.Class.forName(Class.java:181) 17 at com.amazon.device.ads.AdActivity.createAdapter(SourceFile:43) 18 at com.amazon.device.ads.AdActivity.onCreate(SourceFile:29) 19 at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1073) 20 at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1625) 21 ... 11 more 22 java.lang.NullPointerException 23 at java.lang.Class.classForName(Native Method) 24 at java.lang.Class.forName(Class.java:234) 25 at java.lang.Class.forName(Class.java:181) 26 at com.amazon.device.ads.AdActivity.createAdapter(SourceFile:43) 27 at com.amazon.device.ads.AdActivity.onCreate(SourceFile:29) 28 at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1073) 29 at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1625) 30 at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1677) 31 at android.app.ActivityThread.access$1500(ActivityThread.java:117) 32 at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931) 33 at android.os.Handler.dispatchMessage(Handler.java:99) 34 at android.os.Looper.loop(Looper.java:130) 35 at android.app.ActivityThread.main(ActivityThread.java:3701) 36 at java.lang.reflect.Method.invokeNative(Native Method) 37 at java.lang.reflect.Method.invoke(Method.java:507) 38 at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 39 at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 40 at dalvik.system.NativeStart.main(Native Method) The user is under android 2.3.4 Best, Benoit