query: NullPointerException when using Handler for updating progressBar
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 289
negative_passages.text: What is a NullReferenceException, and how do I fix it?
negative_passages.docid: 66284
negative_passages.text: NullPointerException when Creating an Array of objects
negative_passages.docid: 77648
negative_passages.text: How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
negative_passages.docid: 42601
negative_passages.text: Accessing UI thread handler from a service
negative_passages.docid: 13711
negative_passages.text: java.lang.NullPointerException at org.glassfish.hk2.classmodel.reflect.impl.TypesImpl.getType
negative_passages.docid: 144658
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object ,sravn
negative_passages.docid: 35590
negative_passages.text: How to fix NullPointerException in Java?
negative_passages.docid: 156764
negative_passages.text: I get exception when using Thread.sleep(x) or wait()
negative_passages.docid: 88384
negative_passages.text: NoSuchMethodError error for getActionBar() (API-8)
negative_passages.docid: 144366
negative_passages.text: Can a progress bar be used in a class outside main?
negative_passages.docid: 55951
negative_passages.text: Passing arraylist of objects between activities
negative_passages.docid: 58040
negative_passages.text: Android SDK AsyncTask doInBackground not running (subclass)
negative_passages.docid: 35129
negative_passages.text: Why does String.valueOf(null) throw a NullPointerException?
negative_passages.docid: 137692
negative_passages.text: NullPointerException when working with arrays
negative_passages.docid: 46944
negative_passages.text: Null pointer Exception - findViewById()
negative_passages.docid: 97325
negative_passages.text: DialogFragment causing nullpointer crash