Hi Milan,
According to EMM 1.1.0, When the device is successfully registered, with
the response, we sent a set of initial configurations. This configuration,
included things such as, whether the mode is LOCAL or GCM, if
LOCAL(polling) then the frequency to poll. In EMM 1.1.0, these were stored
in a config file and passed to the device. So in MDM we must pass this
value and store at some point, so that the device can choose how to
communicate with the server.
Regards,
Inosh
On Tue, May 12, 2015 at 2:52 PM, Milan Perera <mi...@wso2.com> wrote:
> Hi,
>
> I'm getting $subject whenever the device get restarted. Exception details
> as follows:
>
> java.lang.RuntimeException: Unable to start receiver
> org.wso2.mdm.agent.services.DeviceStartupIntentReceiver:
> java.lang.NullPointerException: Attempt to invoke virtual method
> 'java.lang.String java.lang.String.trim()' on a null object reference
> at
> android.app.ActivityThread.handleReceiver(ActivityThread.java:2586)
> at
> android.app.ActivityThread.access$1700(ActivityThread.java:144)
> at
> android.app.ActivityThread$H.handleMessage(ActivityThread.java:1355)
> at android.os.Handler.dispatchMessage(Handler.java:102)
> at android.os.Looper.loop(Looper.java:135)
> at android.app.ActivityThread.main(ActivityThread.java:5221)
> at java.lang.reflect.Method.invoke(Native Method)
> at java.lang.reflect.Method.invoke(Method.java:372)
> at
> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
> at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
> Caused by: java.lang.NullPointerException: Attempt to invoke virtual
> method 'java.lang.String java.lang.String.trim()' on a null object reference
> at
> org.wso2.mdm.agent.services.DeviceStartupIntentReceiver.setRecurringAlarm(DeviceStartupIntentReceiver.java:61)
> at
> org.wso2.mdm.agent.services.DeviceStartupIntentReceiver.onReceive(DeviceStartupIntentReceiver.java:45)
> at
> android.app.ActivityThread.handleReceiver(ActivityThread.java:2579)
> at
> android.app.ActivityThread.access$1700(ActivityThread.java:144)
> at
> android.app.ActivityThread$H.handleMessage(ActivityThread.java:1355)
> at android.os.Handler.dispatchMessage(Handler.java:102)
> at android.os.Looper.loop(Looper.java:135)
> at android.app.ActivityThread.main(ActivityThread.java:5221)
> at java.lang.reflect.Method.invoke(Native Method)
> at java.lang.reflect.Method.invoke(Method.java:372)
> at
> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
> at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
>
> This is occurred when device invoke *setRecurringAlarm()* method in
> *DeviceStartupIntentReceiver
> *class at the start-up. The reason for getting this exception because it
> tries to get the '*mode*' string from *SharedPreference* and trim it.
> However the '*mode*' is not stored there.
>
> Code Snippet
> -------------------
>
> String mode = Preference.getString(context,
> resources.getString(R.string.shared_pref_message_mode));
>
> if (NOTIFIER_MODE.equals(mode.trim().toUpperCase(Locale.ENGLISH))) { ... }
>
>
> According to what I have understood, it checks the *NOTIFICATION_MODE*
> whether *LOCAL* or *GCM*.
>
> So my questions are, *where should I set this 'mode' preference and how
> do we decide whether it should be LOCAL or GCM?*
>
>
> --
> Milan Harindu Perera
> Software Engineer
> *WSO2, Inc*
> (+94) 77 309 7088
> lean . enterprise . middleware
> <http://lk.linkedin.com/in/milanharinduperera>
>
--
Inosh Perera
Software Engineer, WSO2 Inc.
Tel: 0785293686
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