Android输入框自动提示

Android用的有两种方法AutoCompleteTextView和MultiAutoCompleteTextView,第二种可以连续提示输入,如下图

Android输入框自动提示_第1张图片 Android输入框自动提示_第2张图片

AutoCompleteTextView常用属性
android:completionHint	设置出现在下拉菜单中的提示标题
android:completionThreshold	设置用户至少输入多少个字符才会显示提示
android:dropDownHorizontalOffset	下拉菜单于文本框之间的水平偏移。默认与文本框左对齐
android:dropDownHeight	下拉菜单的高度
android:dropDownWidth	下拉菜单的宽度
android:singleLine	单行显示
android:dropDownVerticalOffset	垂直偏移量

布局文件:

<?xml version="1.0" encoding="utf-8"?>

MainActivity里面的代码:

package com.example.administrator.autocompletetextviewdemo;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.text.Editable;import android.text.TextWatcher;import android.view.View;import android.widget.ArrayAdapter;import android.widget.AutoCompleteTextView;import android.widget.MultiAutoCompleteTextView;public class MainActivity extends AppCompatActivity {    private AutoCompleteTextView mAutoCompleteTextView;    private MultiAutoCompleteTextView mMultiAutoCompleteTextView;    private String[] ceshi1;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        mAutoCompleteTextView=findViewById(R.id.autocomplete);        mMultiAutoCompleteTextView=findViewById(R.id.multiautocomplete);        ceshi1 = new String[]{"北京西站", "北京北站", "北京站", "北京南站", "北京大使馆",                "北京故宫", "天津电视塔", "天津南站", "天津东站", "天津之眼", "天津劝业场","aaa","bbb",                "aaa北京","北京aaa","aaaa8989","bbb768","北京ab","sss","aaaaa"};        ArrayAdapter adapter=new ArrayAdapter(MainActivity.this,android.R.layout.simple_list_item_activated_1,ceshi1);        mAutoCompleteTextView.setAdapter(adapter);        mMultiAutoCompleteTextView.setAdapter(adapter);        mMultiAutoCompleteTextView.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());    }}

下载地址:https://download.csdn.net/download/lanrenxiaowen/10746629

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