android常用UI使用案例：Spinner

標籤：

 

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <TextView        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="城市" />    <Spinner        android:id="@+id/spinner_city"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:drawSelectorOnTop="false" />    <TextView        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="城區 (xml資源檔)" />    <Spinner        android:id="@+id/spinner_district"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:drawSelectorOnTop="false" /></LinearLayout>

 

<resources>    <string-array name="district">        <item>海澱</item>        <item>昌平</item>        <item>丰台</item>        <item>朝陽</item>        <item>東城</item>    </string-array></resources>

 

package com.test.androidui;import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.os.Bundle;import android.widget.ArrayAdapter;import android.widget.AutoCompleteTextView;import android.widget.CheckBox;import android.widget.Spinner;public class MainActivity extends Activity {    Spinner spinner_city;    Spinner spinner_district;    private ArrayAdapter<String> cityAdapter;    private List<String> cityList;        @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        setviewdata();    }    private static final String[] citys = { "北京", "上海", "深圳"};    private void setviewdata() {        spinner_city = (Spinner) findViewById(R.id.spinner_city);        cityList = new ArrayList<String>();        for (int i = 0; i < citys.length; i++) {            cityList.add(citys[i]);        }        cityAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, cityList);        cityAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);        spinner_city.setAdapter(cityAdapter);        spinner_district = (Spinner) findViewById(R.id.spinner_district);        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.district,                android.R.layout.simple_spinner_item);        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);        spinner_district.setAdapter(adapter);    }}

 

android常用UI使用案例：Spinner