Attempt to invoke virtual method 'android.text.Editable android.widget.EditText.getText()' on a null object
49
What is a NullPointerException, and how do I fix it?
59938
Android: How can I validate EditText input?
146708
Error sending edittext in java server. See code
128142
java.lang.NullPointerException at org.apache.jsp.foo_jsp._jspInit(foo_jsp.java:22)
70532
NullReferenceException after POST
108336
Nullable Object must have a value #2
20892
C# nullable string error
5052
RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
19797
when EditText is empty and click calculateButton, app crashes
13711
java.lang.NullPointerException at org.glassfish.hk2.classmodel.reflect.impl.TypesImpl.getType
144423
"No enclosing instance of type" error while calling method from another class in Android
68787
Why The constructor ArrayAdapter(new View.OnKeyListener(){}, int, String[]) is undefined
148793
Checking Textbox Text for Null
149666
Why can't a null-reference exception name the object that has a null reference?
119186
Android How to get selected word in Edittext?
83084
Clipboard.GetText returns null (empty string)
92844
getOnClickListener() in Android views