Experts, Any help here? Thanks
On Oct 20, 8:23 am, Kiran <[email protected]> wrote: > Hi, > I have the following code in Oncreate of my activity: > > *************************************************************************** > ********* > static String linkUrl = "http://www.google.com/";; > > protected void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > > PowerManager pm = (PowerManager) getSystemService > (Context.POWER_SERVICE); > PowerManager.WakeLock wl = pm.newWakeLock > (PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag"); > wl.acquire(); > > try { > URL connectURL = new URL(linkUrl); > HttpURLConnection conn = (HttpURLConnection) > connectURL.openConnection(); > DataInputStream dis = new DataInputStream > (conn.getInputStream > ()); > byte[] data = new byte[1024]; > int len = dis.read(data, 0, 1024); > dataText = new String(data, 0, len); > } > catch(Exception e) > { > Log.e(TAG, "Exception"); > return; > } > > TextView bodyText = (EditText) findViewById > (R.id.android_fetchtext); > bodyText.setText(dataText); > setContentView(R.layout.notes_fetch); > wl.release(); > } > > *************************************************************************** > ********* > I declared the following permissions in manifest: > *************************************************************************** > ********* > <uses-permission android:name="android.permission.INTERNET" /> > <uses-permission android:name="android.permission.WAKE_LOCK"/> > *************************************************************************** > ********* > Here is my xml layout file: > *************************************************************************** > ********* > <?xml version="1.0" encoding="utf-8"?> > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/ > android" > android:layout_width="wrap_content" > android:layout_height="wrap_content"> > > <ListView android:id="@+id/android:fetchlist" > android:layout_width="wrap_content" > android:layout_height="wrap_content"/> > <TextView android:id="@+id/android:fetchtext" > android:layout_width="wrap_content" > android:layout_height="wrap_content"/> > </LinearLayout> > *************************************************************************** > ********* > > Problem is, application goes to force close with following error: > *************************************************************************** > ********* > 10-19 22:11:49.404: DEBUG/FetchData(715): Entered OnCreate > 10-19 22:11:49.413: DEBUG/FetchData(715): Set URL > 10-19 22:11:49.435: DEBUG/FetchData(715): HttpURLConnection > 10-19 22:11:49.464: DEBUG/FetchData(715): DIS > 10-19 22:11:56.013: DEBUG/FetchData(715): Read > -------------------------------- > 10-19 22:11:59.191: WARN/ActivityManager(574): Launch timeout has > expired, giving up wake lock! > ---------------------------------- > 10-19 22:11:59.307: WARN/ActivityManager(574): Activity idle timeout > for HistoryRecord{438d4478 com.android.demo.notepad3/.FetchData} > ----------------------------------- > 10-19 22:12:01.455: DEBUG/AndroidRuntime(715): Shutting down VM > > 10-19 22:12:01.455: WARN/dalvikvm(715): threadid=3: thread exiting > with uncaught exception (group=0x4001aa28) > 10-19 22:12:01.465: ERROR/AndroidRuntime(715): Uncaught handler: > thread main exiting due to uncaught exception > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): > java.lang.RuntimeException: Unable to start activity ComponentInfo > {com.android.demo.notepad3/com.android.demo.notepad3.FetchData}: > java.lang.NullPointerException > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > android.app.ActivityThread.performLaunchActivity(ActivityThread.java: > 2401) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > android.app.ActivityThread.handleLaunchActivity(ActivityThread.java: > 2417) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > android.app.ActivityThread.access$2100(ActivityThread.java:116) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > android.os.Handler.dispatchMessage(Handler.java:99) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > android.os.Looper.loop(Looper.java:123) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > android.app.ActivityThread.main(ActivityThread.java:4203) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > java.lang.reflect.Method.invokeNative(Native Method) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > java.lang.reflect.Method.invoke(Method.java:521) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run > (ZygoteInit.java:791) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > dalvik.system.NativeStart.main(Native Method) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): Caused by: > java.lang.NullPointerException > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > com.android.demo.notepad3.FetchData.onCreate(FetchData.java:97) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > android.app.Instrumentation.callActivityOnCreate(Instrumentation.java: > 1123) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): at > android.app.ActivityThread.performLaunchActivity(ActivityThread.java: > 2364) > 10-19 22:12:01.834: ERROR/AndroidRuntime(715): ... 11 more > 10-19 22:12:02.124: INFO/Process(574): Sending signal. PID: 715 SIG: 3 > 10-19 22:12:02.134: INFO/dalvikvm(715): threadid=7: reacting to signal > 3 > 10-19 22:12:02.134: ERROR/dalvikvm(715): Unable to open stack trace > file '/data/anr/traces.txt': Permission denied > 10-19 22:12:02.675: INFO/ARMAssembler(574): generated > scanline__00000077:03515104_00001001_00000000 [ 64 ipp] (84 ins) at > [0x2447f0:0x244940] in 3552128 ns > > *************************************************************************** > ********* > Any help is deeply appreciated. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
