Added HeadlessFragment to retain fragment data across device rotation. Correctly removing fragments on orientation change
Added HeadlessFragment to retain fragment data across device rotation. Correctly removing fragments on orientation change

bamptonm/myOwnTracks,friesenkiwi/android,generalzou/android,mihaics/owntracks,kzganesan/android-1,hgl888/android,dicer/android,skinzer/android,yytang2012/android-1