rui
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rui
if (mTargetView==null){ switch (childNum){ case 1:{ mTargetView=getChildAt(0); break; } case 2:{ if (mFooterView!=null){ mTargetView=getChildAt(0); }else { mHeaderView=getChildAt(0); mTargetView=getChildAt(1); } break; } case 3:{ mHeaderView=getChildAt(0); mTargetView=getChildAt(1); mFooterView=getChildAt(2); break; } }