Android:: List View : Runtime error [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 11 years ago.

This is my logcat:

04-28 08:23:03.253: ERROR/AndroidRuntime(326): FATAL EXCEPTION: main
        java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example/com.example.ListViewActivity}: 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:868)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
        at dalvik.system.NativeStart.main(Native Method)
        Caused by: java.lang.NullPointerException
        at com.example.ListViewActivity.fetchItems(ListViewActivity.java:59)
        at com.example.ListViewActivity.onCreate(ListViewActivity.java:32)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
        ... 11 more
04-28 08:23:03.353: WARN/ActivityManager(68): Force finishing activity com.example/.ListViewActivity
04-28 08:23:03.383: WARN/ActivityManager(68): Force finishing activity com.example/.Search
04-28 08:23:04.193: WARN/ActivityManager(68): Activity pause timeout for HistoryRecord{45078198 com.example/.ListViewActivity}
04-28 08:23:10.074: INFO/Process(326): Sending signal. PID: 326 SIG: 9
04-28 08:23:10.304: INFO/ActivityManager(68): Process com.example (pid 326) has died.
04-28 08:23:10.333: INFO/WindowManager(68开发者_开发知识库): WIN DEATH: Window{4506ec60 com.example/com.example.Search paused=true}
04-28 08:23:10.353: INFO/WindowManager(68): WIN DEATH: Window{45067e78 com.example/com.example.Login paused=false}
04-28 08:23:10.364: INFO/WindowManager(68): WIN DEATH: Window{450680e8 com.example/com.example.RolesActivity paused=false}
04-28 08:23:10.644: INFO/ActivityManager(68): Start proc com.example for activity com.example/.Login: pid=334 uid=10032 gids={3003, 1015}
04-28 08:23:11.613: INFO/UsageStats(68): Unexpected resume of com.example while already resumed in com.example
04-28 08:23:12.323: WARN/ActivityManager(68): Launch timeout has expired, giving up wake lock!
04-28 08:23:13.183: WARN/InputManagerService(68): Got RemoteException sending setActive(false) notification to pid 326 uid 10032
04-28 08:23:13.663: INFO/ActivityManager(68): Displayed activity com.example/.Login: 3288 ms (total 11282 ms)
04-28 08:23:14.034: INFO/ARMAssembler(68): generated scanline__00000077:03545404_00000004_00000000 [ 47 ipp] (67 ins) at [0x2cefd8:0x2cf0e4] in 2295893 ns
04-28 08:23:19.484: WARN/ActivityManager(68): Activity destroy timeout for HistoryRecord{450747c8 com.example/.Search}
04-28 08:23:19.484: WARN/ActivityManager(68): Activity destroy timeout for HistoryRecord{45078198 com.example/.ListViewActivity}
04-28 08:23:41.144: DEBUG/SntpClient(68): request time failed: java.net.SocketException: Address family not supported by protocol
04-28 08:28:41.164: DEBUG/SntpClient(68): request time failed: java.net.SocketException: Address family not supported by protocol
04-28 08:33:41.193: DEBUG/SntpClient(68): request time failed: java.net.SocketException: Address family not supported by protocol
04-28 08:38:41.213: DEBUG/SntpClient(68): request time failed: java.net.SocketException: Address family not supported by protocol
04-28 08:43:41.223: DEBUG/SntpClient(68): request time failed: java.net.SocketException: Address family not supported by protocol
04-28 08:48:41.294: DEBUG/SntpClient(68): request time failed: java.net.SocketException: Address family not supported by protocol

Plzz help me out with this...

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For your activity your extending which one Activity or ListActivity, checkout the problem may come with this also, if possible post your code ....