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我使用下面的代码来设置微调值的选定项目的微调。但是我得到的位置是-1。要设置所选项目的微调值,返回-1
代码:
final ArrayAdapter<CharSequence> adapter1 = new ArrayAdapter<CharSequence>(this,android.R.layout.simple_list_item_1, location_days2);
adapter1.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
location_days.setAdapter(adapter1);
String b = "5 Days";
int a = adapter.getPosition(b); //this should return 5, but returns -1
location_days.setSelection(a);
字符串数组:
私有String [] location_days2 = { “选择天”, “1天”, “2天”, “3天” ,“0天”,“5天”,“6天”};
呀它现在工作。这是一个愚蠢的@sathiya –