选中调用ArrayAdapter [英] unchecked call to ArrayAdapter
本文介绍了选中调用ArrayAdapter的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我得到以下警告,当我实例化了我ArrayAdapter(编译罚款):
I get the following warning when I instantiate my ArrayAdapter (compiles fine):
warning: [unchecked] unchecked call to ArrayAdapter(android.content.Context,int,java.util.List<T>) as a member of the raw type android.widget.ArrayAdapter
ArrayAdapter spinnerArrayAdapter = new ArrayAdapter(CFAMain.this, android.R.layout.simple_spinner_dropdown_item, spinnerArray);
和这里的问题行:
ArrayAdapter spinnerArrayAdapter = new ArrayAdapter(CFAMain.this, android.R.layout.simple_spinner_dropdown_item, spinnerArray);
任何人有任何想法,为什么它给我这个警告呢?
Anyone have any ideas as to why it's giving me this warning?
推荐答案
这是因为 ArrayAdapter
希望你可以指定它会操纵的对象类型。因此,为了避免这些警告只是做:
That's because ArrayAdapter
expects you to specify which type of object it will manipulate. So, in order to avoid those warnings just do:
ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(CFAMain.this, android.R.layout.simple_spinner_dropdown_item, spinnerArray);
这篇关于选中调用ArrayAdapter的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文