query: How could I fix it? Attempt to invoke virtual method 'void androidx.viewpager.widget.ViewPager.setAdapter on a null object reference
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 70532
negative_passages.text: NullReferenceException after POST
negative_passages.docid: 38191
negative_passages.text: java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
negative_passages.docid: 128903
negative_passages.text: ExecuteScalar throws NullReferenceException
negative_passages.docid: 144423
negative_passages.text: "No enclosing instance of type" error while calling method from another class in Android
negative_passages.docid: 8283
negative_passages.text: Why does null reference print as "null"
negative_passages.docid: 133134
negative_passages.text: java.lang.IllegalStateException: ViewPager has not been bound (Using JakeWharton ViewPager Indicator)
negative_passages.docid: 46857
negative_passages.text: Compiler warning: null reference exception
negative_passages.docid: 81565
negative_passages.text: getClass().getResource() always returning null
negative_passages.docid: 116655
negative_passages.text: Data Persistence ViewPager
negative_passages.docid: 37988
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object:
negative_passages.docid: 54938
negative_passages.text: Cannot invoke method or retrieve property from null object. Object returned by the following call stack is null. \"File\r\n\"
negative_passages.docid: 158745
negative_passages.text: onActivityResult is not being called in Fragment
negative_passages.docid: 130819
negative_passages.text: Nullpointerexception while setting a bean
negative_passages.docid: 98080
negative_passages.text: Android: Cannot invoke toString() on the primitive type int
negative_passages.docid: 112328
negative_passages.text: Error: "an object reference is required for the non-static field, method or property..."
negative_passages.docid: 114651
negative_passages.text: ViewModel's list is null in action