SearchView本地实时搜索

SearchView简介

SearchView是Android原生的搜索框控件，它提供了一个用户界面，用于用户搜索查询。w默认是展示一个search的icon，点击icon展开搜索框。
这里就不做过多的介绍，本章主要实现本地实时过滤搜索，现在看下效果：

下面直接上代码：

实体类Bean.java

public class Bean implements Serializable {
    private String name;
    private String number;
    private String code;

    public Bean(String name, String number, String code) {
        this.name = name;
        this.number = number;
        this.code = code;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getNumber() {
        return number;
    }
    public void setNumber(String number) {
        this.number = number;
    }
    public String getCode() {
        return code;
    }
    public void setCode(String code) {
        this.code = code;
    }
}

测试用的SearchViewBeanTestActivity.java

public class SearchViewBeanTestActivity extends AppCompatActivity {
    private ListView listView;
    private List<Bean> beanList = new ArrayList<>();
    private CameraAdapter adapter;
    private List<Bean> searchResult = new ArrayList<>();

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.search_view);
        initData();
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        assert toolbar != null;
        toolbar.setTitle("实时搜索");
        setSupportActionBar(toolbar);
        ActionBar actionBar = getSupportActionBar();
        assert actionBar != null;
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setDisplayShowHomeEnabled(true);
        searchResult.clear();
        searchResult.addAll(beanList);
        listView = (ListView) findViewById(R.id.list_view);
        adapter = new CameraAdapter(this,searchResult);
        listView.setAdapter(adapter);
    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.search_menu, menu);
        MenuItem searchItem = menu.findItem(R.id.action_search);
        SearchView mSearchView = (SearchView) MenuItemCompat.getActionView(searchItem);
        mSearchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
            @Override
            public boolean onQueryTextSubmit(String query) {
                Toast.makeText(getApplicationContext(), "onQueryTextSubmit:" + query, Toast.LENGTH_SHORT).show();
                return true;
            }
            @Override
            public boolean onQueryTextChange(String newText) {
                searchResult.clear();
                for (int i = 0; i < beanList.size(); i++) {
                    if (beanList.get(i).getNumber().contains(newText))
                        searchResult.add(beanList.get(i));
                }
                adapter.notifyDataSetChanged();
                return true;
            }
        });
        return super.onCreateOptionsMenu(menu);
    }
    private void initData() {
        beanList.clear();
        beanList.add(new Bean("实时搜索—1", "12345545", "123456456"));
        beanList.add(new Bean("实时搜索—2", "32523454", "789414984 "));
        beanList.add(new Bean("实时搜索—3", "3tgrwggd", "789744849"));
        beanList.add(new Bean("实时搜索—4", "12312443", "87984949 t"));
        beanList.add(new Bean("实时搜索—5", "543513523", "874984848"));
        beanList.add(new Bean("实时搜索—6", "454363533", "4897498498"));
        beanList.add(new Bean("实时搜索—7", "436TERG33", "848949848"));
        beanList.add(new Bean("实时搜索—8", "RTRE34634", "7484894894"));
        beanList.add(new Bean("实时搜索—9", "654624WT34", "4848949849"));
        beanList.add(new Bean("实时搜索—10", "2442rfewr3", "4784984984"));
        beanList.add(new Bean("实时搜索—12", "436TGFDTE", "8949849848"));
        beanList.add(new Bean("实时搜索—14 ", "436TGFDTE", "784848949"));
    }
}

用到的search_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <item
        android:id="@+id/action_search"
        android:icon="@drawable/abc_ic_search_api_mtrl_alpha"
        android:orderInCategory="100"
        app:actionViewClass="android.support.v7.widget.SearchView"
        android:title="请输入编号"
        app:showAsAction="always" />
</menu>

用到的 search_view.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    tools:context=".MainActivity">

    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme.AppBarOverlay">

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            app:popupTheme="@style/AppTheme.PopupOverlay" />

    </android.support.design.widget.AppBarLayout>

    <ListView
        android:id="@+id/list_view"
        app:layout_behavior="@string/appbar_scrolling_view_behavior"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />
</android.support.design.widget.CoordinatorLayout>

到这里也就实现了本地实时过滤搜索的效果