query: Crash happens when I try put button into fragment
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 25976
negative_passages.text: Android app crashes when rotating the "Getting preview" or "Posting edit" dialog
negative_passages.docid: 69771
negative_passages.text: NullPointerException when setting attribute?
negative_passages.docid: 65689
negative_passages.text: getting exception while putting list data into the map
negative_passages.docid: 2116
negative_passages.text: IllegalArgumentException or NullPointerException for a null parameter?
negative_passages.docid: 126147
negative_passages.text: Replace one Fragment with another in ViewPager
negative_passages.docid: 88764
negative_passages.text: java.lang.IllegalStateException: Illegal attempt to set ViewHandler after a response has been rendered
negative_passages.docid: 129309
negative_passages.text: Logcat error description : Button launch crashes app
negative_passages.docid: 147251
negative_passages.text: How do I fix the error where I cannot make a static reference to a non-static input field?
negative_passages.docid: 114049
negative_passages.text: IllegalMonitorStateException in code
negative_passages.docid: 66432
negative_passages.text: Why do I want to avoid non-default constructors in fragments?
negative_passages.docid: 158745
negative_passages.text: onActivityResult is not being called in Fragment
negative_passages.docid: 68247
negative_passages.text: Concurrent Modification Exception : adding to an ArrayList
negative_passages.docid: 73120
negative_passages.text: Nullpointerexception when trying to send data from activity to class
negative_passages.docid: 128153
negative_passages.text: IBAction Button “Unrecognized Selector Sent to Instance” Error
negative_passages.docid: 135818
negative_passages.text: How to implement onBackPressed() in Fragments?
negative_passages.docid: 87341
negative_passages.text: How do you add an ActionListener onto a JButton in Java