<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:layout_margin="15dp"
              android:orientation="vertical" >

    <SearchView
        android:id="@+id/searchView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:iconifiedByDefault="false"
        android:queryHint="请输入搜索内容" />

    <ListView
        android:id="@+id/listView"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1" />
</LinearLayout>

package com.jinyu.cqkxzsxy.android.advancedviewsample;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.SearchView;

/**
 * @创建者 鑫鱻
 * @描述 Android零基础入门到精通系列教程，欢迎关注微信公众号ShareExpert
 */
public class SearchViewActivity extends AppCompatActivity {
    private SearchView mSearchView = null;
    private ListView mListView = null;
    private String[] mDatas = {"aaa", "bbb", "ccc", "airsaid"};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.searchview_layout);

        mSearchView = (SearchView) findViewById(R.id.searchView);
        mListView = (ListView) findViewById(R.id.listView);
        mListView.setAdapter(new ArrayAdapter<String>(this,
                android.R.layout.simple_list_item_1, mDatas));
        mListView.setTextFilterEnabled(true);

        // 设置搜索文本监听
        mSearchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
            // 当点击搜索按钮时触发该方法
            @Override
            public boolean onQueryTextSubmit(String query) {
                return false;
            }

            // 当搜索内容改变时触发该方法
            @Override
            public boolean onQueryTextChange(String newText) {
                if (!TextUtils.isEmpty(newText)){
                    mListView.setFilterText(newText);
                }else{
                    mListView.clearTextFilter();
                }
                return false;
            }
        });
    }
}