Attempt to invoke virtual method 'int java.util.ArrayList.size()' on a null object reference ( while using with adapter,fragment and activity)
49
What is a NullPointerException, and how do I fix it?
68787
Why The constructor ArrayAdapter(new View.OnKeyListener(){}, int, String[]) is undefined
115630
Why does LayoutInflater ignore the layout_width and layout_height layout parameters I've specified?
119799
Android: Issue during Arraylist declaration
43227
How to apply sizeof() operator to non-static class member methods?
110077
Is it good practice to NULL a pointer after deleting it?
140738
Does setting Java objects to null do anything anymore?
35951
How to get the width and height of an android.widget.ImageView?
8283
Why does null reference print as "null"
85964
Android: ClassNotFoundException when passing serializable object to Activity
55274
Java: Exception itself is null
20020
NullPointerException accessing views in onCreate()
33103
How come invoking a (static) method on a null reference doesn't throw NullPointerException?
10818
NullPointerException : println needs a message in android
81518
Find out what variable is throwing a NullPointerException programmatically
88920
Is using NULL references OK?
40818
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?