Attempt to invoke virtual method 'android.content.Context android.content.Context.getApplicationContext()' on a null object reference in my musicapp
49
What is a NullPointerException, and how do I fix it?
57680
Your content must have a ListView whose id attribute is 'android.R.id.list'
140332
Method not found using DigestUtils in Android
99367
What is 'Context' on Android?
81565
getClass().getResource() always returning null
134538
Android Resources$NotFoundException
112249
My Application Could not open ServletContext resource
289
What is a NullReferenceException, and how do I fix it?
37575
RuntimeException: Unable to instantiate application
144423
"No enclosing instance of type" error while calling method from another class in Android
60337
getApplicationContext(), getBaseContext(), getApplication(), getParent()
7493
When to call activity context OR application context?
18711
Using Application context everywhere?
50046
java : non-static variable cannot be referenced from a static context Error
70532
NullReferenceException after POST
87189
System.NullPointerException
64200
Can Java's NullPointerException be changed to report on which variable was null?