query: unable to instantiate:NullPointerException: attempt to invoke method android.view.Window$Callback android.view.Window.getCallback() on a null obj
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 144423
negative_passages.text: "No enclosing instance of type" error while calling method from another class in Android
negative_passages.docid: 146476
negative_passages.text: Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
negative_passages.docid: 54938
negative_passages.text: Cannot invoke method or retrieve property from null object. Object returned by the following call stack is null. \"File\r\n\"
negative_passages.docid: 141129
negative_passages.text: InputStream returning NullPointerException (Java)
negative_passages.docid: 69771
negative_passages.text: NullPointerException when setting attribute?
negative_passages.docid: 64332
negative_passages.text: avoiding null reference exceptions
negative_passages.docid: 10581
negative_passages.text: Avoiding NullPointerException in Java
negative_passages.docid: 289
negative_passages.text: What is a NullReferenceException, and how do I fix it?
negative_passages.docid: 37575
negative_passages.text: RuntimeException: Unable to instantiate application
negative_passages.docid: 113741
negative_passages.text: Using onClick attribute in layout xml causes a NoSuchMethodException in Android dialogs
negative_passages.docid: 137692
negative_passages.text: NullPointerException when working with arrays
negative_passages.docid: 84461
negative_passages.text: Unable instantiate android.gms.maps.MapFragment
negative_passages.docid: 5052
negative_passages.text: RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
negative_passages.docid: 38512
negative_passages.text: Unhandled event loop exception in plugin org.eclipse.ui
negative_passages.docid: 116180
negative_passages.text: Adding an onclicklistener to listview (android)
negative_passages.docid: 55647
negative_passages.text: the method getApplicationContext() is undefined