Button Code Crashes App
49
What is a NullPointerException, and how do I fix it?
15889
User validation on Custom Button
20020
NullPointerException accessing views in onCreate()
139133
Why does this code crash at the places mentioned?
56918
My app crashes and closes down and there is very little information as to why
35590
How to fix NullPointerException in Java?
11993
UIAlertView fails to show and results in “EXC_BAD_ACCESS” error
73640
App  isn't working correctly. How can I fix it?
137689
android button selector
33272
How can I remove a button or make it invisible in Android?
147835
NSDate crash with successive actions
2892
What does "Fatal error: Unexpectedly found nil while unwrapping an Optional value" mean?
10865
iOS app crashes when attempting to edit a post with excessive code
158144
Locking the fields and buttons when a certain condition is met
113176
How can I dynamically hide a button from a view?
143664
setOnClickListener crashs my android app
117344
Crash when using performSelector: with a SEL passed from another class