'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
49
What is a NullPointerException, and how do I fix it?
38780
Checking for null before ToString()
96843
What will happen when I call a member function on a NULL object pointer?
73767
Need to display the result in new activity
64332
avoiding null reference exceptions
98866
Null Pointer Exception on getGraphics()
45196
Calling class method through NULL class pointer
113741
Using onClick attribute in layout xml causes a NoSuchMethodException in Android dialogs
96311
NullPointerException when installing the Android SDK on Mac OS X
11458
NullReferenceException in Unity
128903
ExecuteScalar throws NullReferenceException
31537
Checking for null before event dispatching... thread safe?
144423
"No enclosing instance of type" error while calling method from another class in Android
149666
Why can't a null-reference exception name the object that has a null reference?
134010
Can Visual Studio tell me which reference threw a NullReferenceException?
5052
RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
87728
ArgumentNullException or NullReferenceException from extension method?