安卓学习-界面-ui-SearchView

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="${relativePackage}.${activityClass}"
     >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:orientation="vertical" >

        <SearchView
            android:id="@+id/searchView1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" 
            >
        </SearchView>

        <ListView
            android:id="@+id/listView1"
            android:layout_width="match_parent"
               android:background="#888"
            android:layout_height="wrap_content" >
        </ListView>

    </LinearLayout>

</RelativeLayout>

public class MainActivity extends Activity {

    SearchView searchView1;
    ListView listView1;
    String[] items=new String[]{
            "aaaaaaaaa","bbbbbbbbb","cccccccccc",
            "aa","bb","cc"
            };
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        searchView1=(SearchView)findViewById(R.id.searchView1);
        //显示提交按钮
        searchView1.setSubmitButtonEnabled(true);
        //设置为取则隐藏为只显示一个图标
        searchView1.setIconifiedByDefault(false);
        //提示hint
        searchView1.setQueryHint("请输入过滤条件");
        listView1=(ListView)findViewById(R.id.listView1);
        //绑定数据集
        listView1.setAdapter(new ArrayAdapter<String>(getApplicationContext(),android.R.layout.simple_list_item_1,items));
        //设置允许过滤
        listView1.setTextFilterEnabled(true);
        //增加事件
        searchView1.setOnQueryTextListener(new OnQueryTextListener() {
            @Override
            public boolean onQueryTextSubmit(String query) {
                Toast.makeText(getApplicationContext(), "你查询的是："+query, Toast.LENGTH_SHORT).show();
                return true;
            }
            @Override
            public boolean onQueryTextChange(String newText) {
                if(TextUtils.isEmpty(newText)){
                    listView1.clearTextFilter();
                }else{
                    listView1.setFilterText(newText);
                }
                return true;
            }
        });
        
    }
}