Null object reference error when trying to open new activity on Android?
49
What is a NullPointerException, and how do I fix it?
73120
Nullpointerexception when trying to send data from activity to class
5052
RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
141129
InputStream returning NullPointerException (Java)
19797
when EditText is empty and click calculateButton, app crashes
79586
System.NullPointerException: Attempt to de-reference a null object
90724
How to start new activity on button click
11458
NullReferenceException in Unity
144658
System.NullPointerException: Attempt to de-reference a null object ,sravn
46857
Compiler warning: null reference exception
57417
Android intent bundle always null?
138085
Why are my resources suddenly unresolved in my Android project?
146476
Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
97325
DialogFragment causing nullpointer crash
128040
Reload activity in Android
77648
How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
59412
How do I pass data between Activities in Android application?