Android GridView Example

In Android , grid view that lets you display components in a two dimensional scrolling grid Gridview is mainly useful when we want show data in grid layout like displaying images or icons

In this example you will see the months names stored in string variable are displayed in gridview

Lets See an Example

Project Detail

Project Name	GridView
Package	com.tutorialsbuzz.simplegridview
Minimum SDK	API 15
Target SDK	API 28
Theme	Holo Light with Dark Action Bar

1. XML Layout

file :- grid_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<GridView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/grid_id"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:numColumns="auto_fit"
    android:columnWidth="100dp"
    android:stretchMode="columnWidth" />

2. Activity

 file:- Grid_activity.java

package com.tutorialsbuzz.simplegridview;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.GridView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    String[] data = new String[]{"jan", "Feb", "Mar", "Apr", "May", "Jun",
            "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};

    GridView mGridView;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ArrayAdapter aa = new ArrayAdapter(this, android.R.layout.simple_list_item_1, data);
        mGridView = (GridView) findViewById(R.id.grid_id);
        mGridView.setAdapter(aa);

        mGridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {

                Toast.makeText(MainActivity.this, data[i] + " item click", Toast.LENGTH_SHORT).show();
            }
        });

    }
}

3. Android Manifest

file : AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.tutorialsbuzz.simplegridview">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

4. RUN