SearchView是搜索框组件,它可以让用户在文本框里输入文字,通过监听器取得用户的输入,当用户点击搜索时,监听器执行实际的搜索。
本文就为大家分享了SearchView搜索框组件的使用方法,供大家参考,具体内容如下
效果:
代码SearchActivity.java
package com.jialianjia.bzw.activity; import android.os.Bundle; import android.widget.ArrayAdapter; import android.annotation.SuppressLint; import android.widget.ListView; import android.widget.SearchView; import com.jialianjia.bzw.BaseActivity; import com.jialianjia.bzw.R; import com.lidroid.xutils.ViewUtils; import java.util.ArrayList; /** * 搜索 * Created by Gxs on 2016/5/5. */ public class SearchActivity extends BaseActivity implements SearchView.OnQueryTextListener{ private SearchView searchView; private ListView listView; private ArrayAdapter<String> arrayAdapter; private ArrayList<String> arrayList = new ArrayList<String>(); private Object[] names; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_search); names = loadData(); ViewUtils.inject(this); searchView = (SearchView) findViewById(R.id.searchView); listView = (ListView) findViewById(R.id.listView); listView.setAdapter(new ArrayAdapter<Object>(getApplicationContext(), android.R.layout.simple_expandable_list_item_1, names)); searchView.setOnQueryTextListener(this); searchView.setSubmitButtonEnabled(false); } @Override public boolean onQueryTextSubmit(String query) { return false; } @Override public boolean onQueryTextChange(String newText) { Object[] obj = searchItem(newText); updateLayout(obj); return false; } public Object[] searchItem(String name) { ArrayList<String> mSearchList = new ArrayList<String>(); for (int i = 0; i < arrayList.size(); i++) { int index = arrayList.get(i).indexOf(name); // 存在匹配的数据 if (index != -1) { mSearchList.add(arrayList.get(i)); } } return mSearchList.toArray(); } // 更新数据 public void updateLayout(Object[] obj) { listView.setAdapter(new ArrayAdapter<Object>(getApplicationContext(), android.R.layout.simple_expandable_list_item_1, obj)); } // 测试数据 public Object[] loadData() { arrayList.add("aaa"); arrayList.add("aab"); arrayList.add("aac"); arrayList.add("aad"); arrayList.add("abc"); arrayList.add("abcd"); arrayList.add("cdf"); arrayList.add("eda"); arrayList.add("sdfa"); arrayList.add("ddda"); arrayList.add("sssa"); return arrayList.toArray(); } }
布局activity_search.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <android.support.v7.widget.Toolbar android:id="@+id/toolbar" android:layout_width="match_parent" android:layout_height="50dp" android:background="?attr/colorPrimary" android:theme="@style/AppTheme.AppBarOverlay" android:fitsSystemWindows="true" /> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:layout_marginTop="5dp" android:layout_marginLeft="5dp" android:layout_marginRight="5dp"> <SearchView android:id="@+id/searchView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:iconifiedByDefault="false" android:background="@drawable/shape_search" android:queryHint="请输入您要查找的内容"/> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="返回"/> </LinearLayout> <TableRow android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_gravity="right"></TableRow> <ListView android:id="@+id/listView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="#969696"/> </LinearLayout>
大家还可以参考:Android搜索框组件SearchView的基本使用方法 进行深入学习。
以上就是本文的全部内容,希望能给大家一个参考,也希望大家多多支持脚本之家。