I have a relatively successful app in the android market that a very
small amount of users experience force close on start up of the app.
It is not happening on a specific device, im not sure if it's
something these users have installed that is interfering with the app.
I've tried to troubleshoot with a few users having the problem, but
cannot get to the bottom of it.
it happens on both rooted and non-rooted phones
I keep getting a NullPointerException for a small number of users who
use a variety of phones that normally work.
anyone know what may be causing this, or how to get around this? I
can't figure this one out and cannot replicate the problem, please
help.
below are the stack traces from the market (package name changed to
not spam the board)
java.lang.RuntimeException: Unable to start activity
ComponentInfo{com.myco.myappfree/com.myco.myappfree.myapp}:
java.lang.NullPointerException
at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2663)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
2679)
at android.app.ActivityThread.access$2300(ActivityThread.java:125)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:
2033)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:4627)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at com.android.internal.os.ZygoteInit
$MethodAndArgsCaller.run(ZygoteInit.java:858)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NullPointerException
at com.myco.myappfree.myapp.onCreate(myapp.java:53)
at
android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:
1047)
at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2627)
... 11 more
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