如何创建一个下拉列表? [英] How to create a drop-down list?
本文介绍了如何创建一个下拉列表?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
解决方案
最好的方式是:
预览:
XML:
< Spinner
android:id = @ + id / spinner1
android:layout_width =match_parent
android:layout_height =wrap_content
android:background =@ android:drawable / btn_dropdown
android: spinnerMode =dropdown/>
Java:
Spinner dropdown =(Spinner)findViewById(R.id.spinner1);
String [] items = new String [] {1,2,three};
ArrayAdapter< String> adapter = new ArrayAdapter< String>(this,android.R.layout.simple_spinner_dropdown_item,items);
dropdown.setAdapter(adapter);
更多信息
http://developer.android.com/guide/topics/ui/controls/ spinner.html
I'm new at programming in Android and I am wondering how can I create a drop-down list, I've tried a ScrollView but it's not exactly what I need.
解决方案
Best way to do it is:
Preview:
XML:
<Spinner
android:id="@+id/spinner1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@android:drawable/btn_dropdown"
android:spinnerMode="dropdown" />
Java:
Spinner dropdown = (Spinner)findViewById(R.id.spinner1);
String[] items = new String[]{"1", "2", "three"};
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_dropdown_item, items);
dropdown.setAdapter(adapter);
More information:
http://developer.android.com/guide/topics/ui/controls/spinner.html
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