Android学习笔记(二十九)

最新推荐文章于 2024-09-07 11:55:45 发布

原创最新推荐文章于 2024-09-07 11:55:45 发布 · 145 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#Android #XML #OS

本文介绍了一个使用 Android 的 AutoCompleteTextView 控件的示例应用。该应用通过预设的国家名称列表实现了自动完成文本输入的功能。

AutoCompleteTextView

AutoCompleteTextViewActivity

package org.wp.activity;

import android.app.Activity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;

public class AutoCompleteTextViewActivity extends Activity {
	private AutoCompleteTextView autoCompleteTextView;
	static final String[] COUNTRIES = new String[] { "Afghanistan", "Albania",
			"Algeria", "American Samoa", "Andorra", "Angola", "Anguilla",
			"Antarctica", "Antigua and Barbuda", "Argentina", "Armenia",
			"Aruba", "Australia", "Austria", "Azerbaijan", "Bahrain",
			"Bangladesh", "Barbados", "Belarus", "Belgium", "Belize", "Benin",
			"Bermuda", "Bhutan", "Bolivia", "Bosnia and Herzegovina",
			"Botswana", "Bouvet Island", "Brazil",
			"British Indian Ocean Territory", "British Virgin Islands",
			"Brunei", "Bulgaria", "Burkina Faso", "Burundi", "Cote d'Ivoire",
			"Cambodia", "Cameroon", "Canada", "Cape Verde", "Cayman Islands",
			"Central African Republic", "Chad", "Chile", "China",
			"Christmas Island", "Cocos (Keeling) Islands", "Colombia",
			"Comoros", "Congo", "Cook Islands", "Costa Rica", "Croatia",
			"Cuba", "Cyprus", "Czech Republic",
			"Democratic Republic of the Congo", "Denmark", "Djibouti",
			"Dominica", "Dominican Republic", "East Timor", "Ecuador", "Egypt",
			"El Salvador", "Equatorial Guinea", "Eritrea", "Estonia",
			"Ethiopia", "Faeroe Islands", "Falkland Islands", "Fiji",
			"Finland", "Former Yugoslav Republic of Macedonia", "France",
			"French Guiana", "French Polynesia", "French Southern Territories",
			"Gabon", "Georgia", "Germany", "Ghana", "Gibraltar", "Greece",
			"Greenland", "Grenada", "Guadeloupe", "Guam", "Guatemala",
			"Guinea", "Guinea-Bissau", "Guyana", "Haiti",
			"Heard Island and McDonald Islands", "Honduras", "Hong Kong",
			"Hungary", "Iceland", "India", "Indonesia", "Iran", "Iraq",
			"Ireland", "Israel", "Italy", "Jamaica", "Japan", "Jordan",
			"Kazakhstan", "Kenya", "Kiribati", "Kuwait", "Kyrgyzstan", "Laos",
			"Latvia", "Lebanon", "Lesotho", "Liberia", "Libya",
			"Liechtenstein", "Lithuania", "Luxembourg", "Macau", "Madagascar",
			"Malawi", "Malaysia", "Maldives", "Mali", "Malta",
			"Marshall Islands", "Martinique", "Mauritania", "Mauritius",
			"Mayotte", "Mexico", "Micronesia", "Moldova", "Monaco", "Mongolia",
			"Montserrat", "Morocco", "Mozambique", "Myanmar", "Namibia",
			"Nauru", "Nepal", "Netherlands", "Netherlands Antilles",
			"New Caledonia", "New Zealand", "Nicaragua", "Niger", "Nigeria",
			"Niue", "Norfolk Island", "North Korea", "Northern Marianas",
			"Norway", "Oman", "Pakistan", "Palau", "Panama",
			"Papua New Guinea", "Paraguay", "Peru", "Philippines",
			"Pitcairn Islands", "Poland", "Portugal", "Puerto Rico", "Qatar",
			"Reunion", "Romania", "Russia", "Rwanda", "Sqo Tome and Principe",
			"Saint Helena", "Saint Kitts and Nevis", "Saint Lucia",
			"Saint Pierre and Miquelon", "Saint Vincent and the Grenadines",
			"Samoa", "San Marino", "Saudi Arabia", "Senegal", "Seychelles",
			"Sierra Leone", "Singapore", "Slovakia", "Slovenia",
			"Solomon Islands", "Somalia", "South Africa",
			"South Georgia and the South Sandwich Islands", "South Korea",
			"Spain", "Sri Lanka", "Sudan", "Suriname",
			"Svalbard and Jan Mayen", "Swaziland", "Sweden", "Switzerland",
			"Syria", "Taiwan", "Tajikistan", "Tanzania", "Thailand",
			"The Bahamas", "The Gambia", "Togo", "Tokelau", "Tonga",
			"Trinidad and Tobago", "Tunisia", "Turkey", "Turkmenistan",
			"Turks and Caicos Islands", "Tuvalu", "Virgin Islands", "Uganda",
			"Ukraine", "United Arab Emirates", "United Kingdom",
			"United States", "United States Minor Outlying Islands", "Uruguay",
			"Uzbekistan", "Vanuatu", "Vatican City", "Venezuela", "Vietnam",
			"Wallis and Futuna", "Western Sahara", "Yemen", "Yugoslavia",
			"Zambia", "Zimbabwe" };

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		autoCompleteTextView = (AutoCompleteTextView) this
				.findViewById(R.id.autocompleteId);
		ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this,
				R.layout.item, COUNTRIES);
		autoCompleteTextView.setAdapter(arrayAdapter);
	}
}

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
	<AutoCompleteTextView
		android:id="@+id/autocompleteId"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		android:layout_marginLeft="15dp"
		/>
</LinearLayout>

item.xml

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
	android:layout_width="fill_parent"
  	android:layout_height="fill_parent"
  	android:padding="10dp"
  	android:textSize="16sp"
  	android:textColor="#000"
 	/>