null object reference on button object in Array Adapter
49
What is a NullPointerException, and how do I fix it?
10867
How to avoid ArrayIndexOutOfBoundsException or IndexOutOfBoundsException?
73120
Nullpointerexception when trying to send data from activity to class
125549
Does assigning null remove all event handlers from an object?
102290
Cannot assign null to anonymous property of type array
65355
Conversion Error setting value for 'null Converter' - Why do I need a Converter in JSF?
31537
Checking for null before event dispatching... thread safe?
127452
Why is typeof null "object"?
96147
List has more than 1 row for assignment to SObject on action button in a page from managed package
29684
How to check if an object is nullable?
101282
How to get String Array from arrays.xml file
22639
Error : Type could not be marshaled because the length of an embedded array instance does not match the declared length in the layout
70651
How to retrieve data from ArrayList consists of array objects
9774
UnsupportedOperationException with ArrayAdapter.remove
116462
Setting more than one adapter for a single list view
149666
Why can't a null-reference exception name the object that has a null reference?
111535
Why does the ArrayList implementation use Object[]?