Tutorial GridView

MainActivity.java

package com.jonesrandom.tutorialgridview;

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 {

    /// VARIBEL DATA BERUPA ARRAY YANG AKAN DI TAMPILKAN KEDALAM GRIDVIEW
    String[] data = {
            "Gorontalo",
            "Gorontalo Utara",
            "Boalemo",
            "Pohuawato",
            "Bone Bolango",
            "Limboto"};

    /// VARIABEL GRIDVIEW
    GridView gView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // MEMBUAT ARRAYADAPTER
        ArrayAdapter<String> adp = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, data);

        /// INISIALISALI GRIDVIEW DENGAN VIEW
        gView = (GridView) findViewById(R.id.listGrid);

        /// SET ADAPTER KEDALAM GRIDVIEW
        gView.setAdapter(adp);

        /// MENAMBAH ACTION SAAT ITEM LIST DIKLIK
        gView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int posisi, long l) {

                String Text = data[posisi];
                Toast.makeText(MainActivity.this ,  Text , Toast.LENGTH_SHORT).show();
            }
        });

    }
}