android开发中遇到的问题

1.自定义RadioButton的setMinimumWidth无效

查文档，无法保证一定设置成功，可能受父Layout的影响而无法生效。而我的布局正是自定义的FlowLayout

Sets the minimum width of the view. It is not guaranteed the view will be able to achieve this minimum width (for example, if its parent layout constrains it with less available width).

2.ExpandableListView设置android:divider无效

解决方案，没有设置android:dividerHeight