How to add a border around GridView in Android

activity_main.xml

 <RelativeLayout     xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:id="@+id/rl"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:padding="10dp"     tools:context=".MainActivity"     android:background="#b0c1aa"     >     <GridView         android:id="@+id/gv"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:numColumns="3"         android:background="@drawable/gridview_bg"         >     </GridView> </RelativeLayout> 

res/drawable/gridview_bg.xml

 <?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android">     <item>         <shape android:shape="rectangle">             <solid android:color="#e7e726"/>             <stroke                 android:color="#ff5705"                 android:width="2dp"                 />         </shape>     </item> </selector> 

MainActivity.java

 package com.cfsuman.me.androidcodesnippets;  import android.os.Bundle; import android.app.Activity; import android.widget.ArrayAdapter; import android.widget.GridView;  import java.util.ArrayList; import java.util.Arrays; import java.util.List;   public class MainActivity extends Activity {      @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);          // Get the widgets reference from XML layout         GridView gv = (GridView) findViewById(R.id.gv);          // Initializing a new String Array         String[] plants = new String[]{                 "Catalina ironwood",                 "Cabinet cherry",                 "Pale corydalis",                 "Pink corydalis",                 "Belle Isle cress",                 "Land cress",                 "Cutleaf coneflower"         };          // Populate a List from Array elements         List<String> plantsList = new ArrayList<String>(Arrays.asList(plants));          // Data bind GridView with ArrayAdapter (String Array elements)         gv.setAdapter(new ArrayAdapter<String>(                 this, android.R.layout.simple_list_item_1, plantsList));  } } 

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