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限制在和机器人列表视图中的重复条目
原标题:Restrict Duplicate entry in android listview
  • 时间:2012-05-25 10:26:28
  •  标签:
  • android

my Android project is that i have made contact list into Spinner and after that i put one by one my contacts into Listview.i want that my spinner contact will not be repeated in the listview.i want to put some check point before to listview execute.what should i have to do?? PLEASE HELP ME

问题回答

使用 java. util. set . set 收藏不允许重复元素。 以及它处理重复联系人的方式 。

Set<String> myContactList = new HashSet<String>();
myContactList.add("Name");   

添加联系人到 Set 。 它会照顾到重复的值。 否则, 将联系人添加到矩阵列表中, 在添加联系人之前检查列表中是否已经存在联系人。 如果存在的话, 那就不要添加 。

将联系人添加到列表后,调用

适应器。 通知DataSetCchanged () ;





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