setContentView() added. not sure if necessary but previously was note
resetting the view to the note title fragment. 

Call to dataSource.createNote(....) in
NoteTitleFragment seems to be where the program stops. returns error:


06-17 16:57:29.270: W/dalvikvm(32369): threadid=1: thread exiting with
uncaught exception (group=0x414b12a0)
06-17 16:57:29.275: E/AndroidRuntime(32369): FATAL EXCEPTION: main
06-17 16:57:29.275: E/AndroidRuntime(32369): java.lang.RuntimeException:
Failure delivering result ResultInfo{who=null, request=1, result=-1,
data=Intent { (has extras) }} to activity
{com.practice.note/com.practice.note.MainActivity}:
java.lang.NullPointerException
06-17 16:57:29.275: E/AndroidRuntime(32369): 	at
android.app.ActivityThread.deliverResults(ActivityThread.java:3182)