Android:以编程方式从 Java 代码填充 Spinner [英] Android : Fill Spinner From Java Code Programmatically

问题描述

如何以编程方式从 Java 代码填充微调器?

How do you fill a spinner from java code programmatically?

我在布局中有一个微调器，如下所示:

I have a spinner in the layout like this:

 <Spinner
     android:id="@+id/consultation_deseases"
     android:layout_width="@dimen/bigSpinnerWidth"
     android:layout_height="@dimen/bigSpinnerHeight"
     android:prompt="@string/disease_prompt" />

使用 java 代码，我需要创建适配器并添加项目.

With java code I need to create the adapter and add the items.

推荐答案

// you need to have a list of data that you want the spinner to display
List<String> spinnerArray =  new ArrayList<String>();
spinnerArray.add("item1");
spinnerArray.add("item2");

ArrayAdapter<String> adapter = new ArrayAdapter<String>(
    this, android.R.layout.simple_spinner_item, spinnerArray);

adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
Spinner sItems = (Spinner) findViewById(R.id.spinner1);
sItems.setAdapter(adapter);

还要找出选择的内容，您可以执行以下操作

also to find out what is selected you could do something like this

String selected = sItems.getSelectedItem().toString();
if (selected.equals("what ever the option was")) {
}

这篇关于Android:以编程方式从 Java 代码填充 Spinner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！