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via GitHub by mpkr
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java.lang.NullPointerException: 	at android.widget.ExpandableListView.getFlatListPosition(ExpandableListView.java:911)	at com.diegocarloslima.fgelv.lib.FloatingGroupExpandableListView.drawDefaultSelector(FloatingGroupExpandableListView.java:458)	at com.diegocarloslima.fgelv.lib.FloatingGroupExpandableListView.dispatchDraw(FloatingGroupExpandableListView.java:203)	at android.view.View.draw(View.java:14468)	at android.widget.AbsListView.draw(AbsListView.java:3817)	at android.view.View.draw(View.java:14350)	at android.view.ViewGroup.drawChild(ViewGroup.java:3103)	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)	at android.view.View.draw(View.java:14348)	at android.view.ViewGroup.drawChild(ViewGroup.java:3103)	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)	at android.view.View.draw(View.java:14348)	at android.view.ViewGroup.drawChild(ViewGroup.java:3103)	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)	at android.view.View.draw(View.java:14468)	at android.view.View.draw(View.java:14350)	at android.view.ViewGroup.drawChild(ViewGroup.java:3103)	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)	at android.view.View.draw(View.java:14348)	at android.view.ViewGroup.drawChild(ViewGroup.java:3103)	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)	at android.view.View.draw(View.java:14468)	at android.view.View.draw(View.java:14350)	at android.view.ViewGroup.drawChild(ViewGroup.java:3103)	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)	at android.view.View.draw(View.java:14468)