SearchView

android控件

搜索控件

属性

• iconifiedByDefault: 表示搜索图标是否在输入框内。true效果更佳

• imeOptions: 设置IME options，即输入法的回车键的功能，可以是搜索、下一个、发送、完成等等。
  actionSearch表示搜索

• inputType: 输入框文本类型，可控制输入法键盘样式，如numberPassword即为数字密码样式

• queryHint: 输入框默认文本

代码

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="match_parent"
              android:layout_height="match_parent">
    <SearchView
            android:id="@+id/search_view"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:iconifiedByDefault="true"
            android:inputType="text"
            android:imeOptions="actionSearch"
            android:queryHint="请输入关键字" />
    <ListView
            android:id="@+id/list_view"
            android:layout_width="match_parent"
            android:layout_height="match_parent">
    </ListView>
</LinearLayout>

java代码

package com.testapp.app;
import android.app.Activity;
import android.os.Bundle;
import android.text.TextUtils;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.SearchView;
/**
 * Created by develop on 2015/11/16.
 */
public class SearchViewActivity extends Activity {
    // 自动完成的列表
    private final String[] mStrings = { "aaaaaaa", "bbbbbbb", "ccccccc", "ddddddd", "eeeeeee", "fffffff" };
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.searchview);
        SearchView sv = (SearchView)findViewById(R.id.search_view);
        final ListView lv = (ListView)findViewById(R.id.list_view);
        lv.setTextFilterEnabled(true);
        lv.setAdapter(new ArrayAdapter<String>(SearchViewActivity.this, android.R.layout.simple_list_item_1, mStrings));
        sv.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
            @Override
            public boolean onQueryTextSubmit(String query) {
                return false;
            }
            @Override
            public boolean onQueryTextChange(String newText) {
                if (TextUtils.isEmpty(newText)) {
                    // 清除ListView的过滤
                    lv.clearTextFilter();
                } else {
                    // 使用用户输入的内容对ListView的列表项进行过滤
                    lv.setFilterText(newText);
                }
                return false;
            }
        });
    }
}

但是这样写只能匹配第一个字母，所以还得改一下

package com.testapp.app;
import android.app.Activity;
import android.os.Bundle;
import android.text.TextUtils;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.SearchView;
import java.util.ArrayList;
/**
 * Created by develop on 2015/11/16.
 */
public class SearchViewActivity extends Activity {
    private SearchView sv;
    private ListView lv;
    // 自动完成的列表
    private final ArrayList<String> mAllList = new ArrayList<String>();
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.searchview);
        sv = (SearchView)findViewById(R.id.search_view);
        lv = (ListView)findViewById(R.id.list_view);
        lv.setAdapter(new ArrayAdapter<Object>(SearchViewActivity.this,android.R.layout.simple_list_item_1,loadData()));
        sv.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
            @Override
            public boolean onQueryTextSubmit(String query) {
                return false;
            }
            @Override
            public boolean onQueryTextChange(String newText) {
                if (TextUtils.isEmpty(newText)) {
                    // 清除ListView的过滤
                    loadData();
                } else {
                    // 使用用户输入的内容对ListView的列表项进行过滤
                    updateLayout(searchItem(newText));
                }
                return false;
            }
        });
    }
    //加载数据
    public Object[] loadData() {
        mAllList.add("aaaa");
        mAllList.add("ddfa");
        mAllList.add("qwww");
        mAllList.add("sder");
        mAllList.add("fdzc");
        mAllList.add("cfjh");
        mAllList.add("reoo");
        return mAllList.toArray();
    }
    //搜索数据
    public Object[] searchItem(String name) {
        ArrayList<String> mSearchList = new ArrayList<String>();
        for (int i = 0; i < mAllList.size(); i++) {
            int index = mAllList.get(i).indexOf(name);
            // 存在匹配的数据
            if (index != -1) {
                mSearchList.add(mAllList.get(i));
            }
        }
        return mSearchList.toArray();
    }
    public void updateLayout(Object[] obj) {
        lv.setAdapter(new ArrayAdapter<Object>(SearchViewActivity.this,
                android.R.layout.simple_list_item_1, obj));
    }
}

效果图