老师 ,为啥这句定位为“null”
mViewPager.getChildAt(i) .setBackgroundResource(index == i ? R.drawable.doc_focus:R.drawable.dot_normal);
mViewPager.getChildAt(i) .setBackgroundResource(index == i ? R.drawable.doc_focus:R.drawable.dot_normal);
2018-05-15
举报