'android.R.layout Constants, for more layout Constants, please refer https://developer.android.google.cn/reference/android/R.layout.html .' simple_list_item_1=17367043 simple_list_item_2=17367044 simple_expandable_list_item_1=17367046 simple_expandable_list_item_2=17367047 simple_spinner_item=17367048 simple_spinner_dropdown_item=17367049