spinner怎么设置
时间: 2023-10-25 21:12:08 浏览: 37
要设置Spinner,您可以使用以下代码:
1. 在XML布局文件中添加Spinner视图:
```
<Spinner
android:id="@+id/spinner"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
```
2. 在Java文件中定义Spinner视图,并创建适配器(adapter),设置适配器(adapter),并设置ItemSelectedListener来监听Spinner选择事件:
```
Spinner spinner = (Spinner) findViewById(R.id.spinner);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, your_items_array);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
// Do something when an item is selected
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
// Do something when nothing is selected
}
});
```
请注意,您需要将“your_items_array”替换为包含选项列表的字符串数组。