Button preemption Focus issue in ListView

解决办法
Item xml 根节点添加 android:descendantFocusability="blocksDescendants"Button 设置android:focusable="false"这样点击Button 和ListView Item 可以分别响应自己的点击事件

 A common problem in development is that a ListView in a project is more than simply text, and often requires itself to define a ListView, Own adapter to inherit Baseadapter, in adapter in accordance with the requirements of the writing, the 
 problem arises, may occur when clicking on each item when there is no response, unable to get the focus. 
 The reason for this is mostly due to the existence of Imagebutton,button in the item of your own definition, The child controls such as the checkbox, which can also be button or checkable, are then taken to the focus, 
 so it is often the child controls that change when the item is clicked,    The click of the item itself is not responding. You can use descendantfocusability to solve this. This property is defined as the relationship between the ViewGroup and its child controls when a view gets focus. There are three values for the property: Beforedescendants:viewgroup takes precedence over its subclass control and gets to focus Afterdescendants:viewgroup gets the focus only if its subclass control does not need to get focus BL Ocksdescendants:viewgroup overrides the subclass control and gets the focus directly usually we use the third one, the root layout of the >item layout in  
      

Button preemption Focus issue in ListView