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  • null pointer exception when starting new activity

    - by acithium
    Okay, I'm getting a null pointer exception when I start my third activity. Here is the LogCat message: 12-28 04:38:00.350: ERROR/AndroidRuntime(776): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.acithium.main/com.acithium.rss.ShowDescription}: java.lang.NullPointerException 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2401) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2417) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at android.app.ActivityThread.access$2100(ActivityThread.java:116) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at android.os.Handler.dispatchMessage(Handler.java:99) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at android.os.Looper.loop(Looper.java:123) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at android.app.ActivityThread.main(ActivityThread.java:4203) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at java.lang.reflect.Method.invokeNative(Native Method) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at java.lang.reflect.Method.invoke(Method.java:521) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at dalvik.system.NativeStart.main(Native Method) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): Caused by: java.lang.NullPointerException 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at com.acithium.rss.ShowDescription.onCreate(ShowDescription.java:48) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2364) 12-28 04:38:00.350: ERROR/AndroidRuntime(776): ... 11 more Here is the section of code where I call the activity: public void onItemClick(AdapterView parent, View v, int position, long id) { Log.i(tag,"item clicked! [" + feed.getItem(position).getTitle() + "]"); Intent itemintent = new Intent(this,com.acithium.rss.ShowDescription.class); //Intent itemintent = new Intent(); //itemintent.setClassName("com.acithium.main", "com.acithium.rss.ShowDescription"); Bundle b = new Bundle(); b.putString("title", feed.getItem(position).getTitle()); b.putString("description", feed.getItem(position).getDescription()); b.putString("link", feed.getItem(position).getLink()); itemintent.putExtra("android.intent.extra.INTENT", b); startActivityForResult(itemintent,0); } And here is new activity class that is called: public class ShowDescription extends Activity { public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.showdescription); String theStory = null; Intent startingIntent = getIntent(); if (startingIntent != null) { Bundle b = startingIntent.getBundleExtra("android.intent.extra.INTENT"); if (b == null) { theStory = "bad bundle?"; } else { theStory = b.getString("title") + "\n\n" + b.getString("description") + "\n\nMore information:\n" + b.getString("link"); } } else { theStory = "Information Not Found."; } TextView db= (TextView) findViewById(R.id.storybox); db.setText(theStory); Button backbutton = (Button) findViewById(R.id.back); backbutton.setOnClickListener(new Button.OnClickListener() { public void onClick(View v) { finish(); } }); } }

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