android searchview

SearchView is by default collapsible and set to be iconified using setIconifiedByDefault(true) method of SearchView class. For making search field visible, SearchView uses setIconifiedByDefault(false) method.

Methods of SearchView

1. public boolean onQueryTextSubmit(String query): It searches the query on the submission of content over SearchView editor. It is case dependent.
2. public boolean onQueryTextChange(String newText): It searches the query at the time of text change over SearchView editor.

activity_main.xml

1. <?xml version="1.0" encoding="utf-8"?>  
2. <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"  
3.     xmlns:tools="http://schemas.android.com/tools"  
4.     android:layout_width="match_parent"  
5.     android:layout_height="match_parent"  
6.     android:paddingBottom="@dimen/activity_vertical_margin"  
7.     android:paddingLeft="@dimen/activity_horizontal_margin"  
8.     android:paddingRight="@dimen/activity_horizontal_margin"  
9.     android:paddingTop="@dimen/activity_vertical_margin"  
10.     tools:context="com.example.test.searchview.MainActivity">  
11.   
12.     <ListView  
13.         android:layout_width="match_parent"  
14.         android:layout_height="match_parent"  
15.         android:id="@+id/lv1"  
16.         android:divider="#ad5"  
17.         android:dividerHeight="2dp"  
18.         android:layout_below="@+id/searchView"/>  
19.   
20.     <SearchView  
21.         android:id="@+id/searchView"  
22.         android:layout_width="wrap_content"  
23.         android:layout_height="wrap_content"  
24.         android:queryHint="Search Here"  
25.         android:iconifiedByDefault="false"  
26.         android:layout_alignParentTop="true"  
27.    />  
28.   
29. </RelativeLayout>  
     

MainActivity.java

1. package com.example.test.searchview;  
2.   
3. import android.support.v7.app.AppCompatActivity;  
4. import android.os.Bundle;  
5. import android.widget.ArrayAdapter;  
6. import android.widget.Filter;  
7. import android.widget.ListView;  
8. import android.widget.SearchView;  
9. import android.widget.Toast;  
10.   
11. import java.util.ArrayList;  
12.   
13. public class MainActivity extends AppCompatActivity {  
14.     SearchView searchView;  
15.     ListView listView;  
16.     ArrayList<String> list;  
17.     ArrayAdapter<String > adapter;  
18.     @Override  
19.     protected void onCreate(Bundle savedInstanceState) {  
20.         super.onCreate(savedInstanceState);  
21.         setContentView(R.layout.activity_main);  
22.   
23.         searchView = (SearchView) findViewById(R.id.searchView);  
24.         listView = (ListView) findViewById(R.id.lv1);  
25.   
26.         list = new ArrayList<>();  
27.         list.add("Apple");  
28.         list.add("Banana");  
29.         list.add("Pineapple");  
30.         list.add("Orange");  
31.         list.add("Lychee");  
32.         list.add("Gavava");  
33.         list.add("Peech");  
34.         list.add("Melon");  
35.         list.add("Watermelon");  
36.         list.add("Papaya");  
37.   
38.         adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,list);  
39.         listView.setAdapter(adapter);  
40.   
41.         searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {  
42.             @Override  
43.             public boolean onQueryTextSubmit(String query) {  
44.   
45.                 if(list.contains(query)){  
46.                     adapter.getFilter().filter(query);  
47.                 }else{  
48.                     Toast.makeText(MainActivity.this, "No Match found",Toast.LENGTH_LONG).show();  
49.                 }  
50.                 return false;  
51.             }  
52.   
53.             @Override  
54.             public boolean onQueryTextChange(String newText) {  
55.             //    adapter.getFilter().filter(newText);  
56.                 return false;  
57.             }  
58.         });  
59.     }  
60. }