Android application stucks at main activity:PackageManager NameNotFoundException
<p>My application stucks at main activity.when I try to make an intent to 
another activity it shows black screen and giving android.content.pm.PackageManager$NameNotFoundException:[package name].
dont know how to solve this problem.
please help me.</p>

<p>here is the error log</p>

<pre><code>06-20 18:17:52.920: E/Account(2708): Error getting customTokens metadata java.lang.NullPointerException
06-20 18:17:52.940: E/SocialHub(24575): [UinboxReceiver] onReceive() &gt;&gt; Context is android.app.ReceiverRestrictedContext@40549258
06-20 18:17:52.995: E/PackageInfoItemFactory(19910): getPackageInfoItem() NameNotFoundException
06-20 18:17:52.995: E/PackageInfoItemFactory(19910): android.content.pm.PackageManager$NameNotFoundException: com.mapp.dev
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at android.app.ContextImpl$ApplicationPackageManager.getApplicationInfo(ContextImpl.java:1948)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at com.sec.android.app.controlpanel.PackageInfoItemFactory.updatePackageInfoItem(PackageInfoItemFactory.java:74)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at com.sec.android.app.controlpanel.PackageInfoItemFactory.updatePackageInfoItem(PackageInfoItemFactory.java:53)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at com.sec.android.app.controlpanel.PackageIntentReceiver.onReceive(PackageIntentReceiver.java:27)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at android.app.ActivityThread.handleReceiver(ActivityThread.java:1798)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at android.app.ActivityThread.access$2400(ActivityThread.java:117)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:985)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at android.os.Handler.dispatchMessage(Handler.java:99)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at android.os.Looper.loop(Looper.java:130)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at android.app.ActivityThread.main(ActivityThread.java:3691)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at java.lang.reflect.Method.invokeNative(Native Method)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at java.lang.reflect.Method.invoke(Method.java:507)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:907)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:665)
06-20 18:17:52.995: E/PackageInfoItemFactory(19910):    at dalvik.system.NativeStart.main(Native Method)
</code></pre>
