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 android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---