SearchView--------搜索功能-------------------------

Posted 2020-08-12 Fei非非

xml---------------xml布局-------------------------

 

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

    <SearchView
        android:id="@+id/sv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        tools:targetApi="honeycomb"></SearchView>

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

    </ListView>
</LinearLayout>



MainActivity-----------------------------调用-------------------------

private SearchView searchView;
private ListView listView;
private final String[] mStrings={
        "aaaaa",
        "bbbbb",
        "ccccc",
};
@Override
public void onCreate(Bundle saveInstanceState){
    super.onCreate((saveInstanceState));
    setContentView(R.layout.searchview);
    listView=(ListView) findViewById(R.id.lv);
    listView.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,mStrings));
    //设置ListView启动过滤
    listView.setTextFilterEnabled(true);

    searchView=(SearchView) findViewById(R.id.sv);
    //设置默认是否缩小为图标
    searchView.setIconifiedByDefault(false);
    //设置是否显示搜索按钮
    searchView.setSubmitButtonEnabled(true);
    //设置sv内的默认显示的提示文本
    searchView.setQueryHint("查找");
    searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
       @Override
       public boolean onQueryTextChange(String newText) {
           if(TextUtils.isEmpty(newText)){
               listView.clearTextFilter();
           }
           else {
               listView.setFilterText(newText);
           }
           return true;
       }

       @Override
       public boolean onQueryTextSubmit(String query) {
           Toast.makeText(MainActivity.this,"您的选择是:"+query,Toast.LENGTH_SHORT).show();
           return false;
       }


   });
}