Android(安卓)- AutoCompleteTextView
16lz
2021-12-04
XML代码:
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/linearLayout1" android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="center_horizontal" android:orientation="vertical" > <AutoCompleteTextView android:id="@+id/autoCompleteTextView1" android:layout_width="match_parent" android:layout_height="wrap_content" > <requestFocus /> </AutoCompleteTextView> </LinearLayout>
Java代码:
package com.demo;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.widget.AdapterView;import android.widget.AutoCompleteTextView;import android.widget.ArrayAdapter;import android.widget.Toast;import android.widget.TextView;public class ActivityBasicActivity extends Activity { /** 当第一次被创建时调用 */String[] str = {"rollen", "rollenholt", "rollenren", "roll","Google","百度","腾讯","腾讯游戏"}; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);//创建一个线性布局管理器 //this.getWindow().setBackgroundDrawableResource(R.color.mycolor);//设置背景颜色 setContentView(R.layout.main); //显示该视图 ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,android.R.layout.simple_dropdown_item_1line,str); AutoCompleteTextView textview = (AutoCompleteTextView) findViewById(R.id.autoCompleteTextView1); textview.setThreshold(1);//设置用户输入的字符数才显示下拉菜单 textview.setAdapter(adapter); } }
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