query: NullPointerException when I call method of interface (fragments communication)
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 81518
negative_passages.text: Find out what variable is throwing a NullPointerException programmatically
negative_passages.docid: 289
negative_passages.text: What is a NullReferenceException, and how do I fix it?
negative_passages.docid: 98866
negative_passages.text: Null Pointer Exception on getGraphics()
negative_passages.docid: 2116
negative_passages.text: IllegalArgumentException or NullPointerException for a null parameter?
negative_passages.docid: 102874
negative_passages.text: Start an activity from a fragment
negative_passages.docid: 84078
negative_passages.text: Why does notifyAll() raise IllegalMonitorStateException when synchronized on Integer?
negative_passages.docid: 80631
negative_passages.text: NullPointerException but compiling?
negative_passages.docid: 150870
negative_passages.text: Java - Method name collision in interface implementation
negative_passages.docid: 113976
negative_passages.text: Methods visibility in interface
negative_passages.docid: 64553
negative_passages.text: Android - Set fragment id
negative_passages.docid: 93603
negative_passages.text: Update data in ListFragment as part of ViewPager
negative_passages.docid: 37988
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object:
negative_passages.docid: 7534
negative_passages.text: Java error: class, interface, or enum expected
negative_passages.docid: 156400
negative_passages.text: NullReferenceException when using NUnit
negative_passages.docid: 135818
negative_passages.text: How to implement onBackPressed() in Fragments?
negative_passages.docid: 95009
negative_passages.text: Call Activity method from adapter