package com.example.admin.lovelysounds;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;



public class home1 extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_home1);

        new Handler().postDelayed(new Runnable() {
            @Override
            public void run() {
                Intent i = new Intent(home1.this, home2.class);
                startActivity(i);
                finish();
            }
        }, 2*1000);
    }


}

package com.example.admin.lovelysounds;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;




public class home2 extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_home2);

        new Handler().postDelayed(new Runnable() {
            @Override
            public void run() {
                Intent i = new Intent(home2.this, MainActivity.class);
                startActivity(i);
                finish();
            }
        }, 2*1000);
    }


}

package com.example.admin.lovelysounds;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    Button sea;
    Button war;
    Button drum;
    Button mount;
    Button volk;
    Button buff;


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

        sea = (Button) findViewById(R.id.sea);
        war = (Button) findViewById(R.id.war);
        drum = (Button) findViewById(R.id.drum);
        mount = (Button) findViewById(R.id.mount);
        volk = (Button) findViewById(R.id.volk);
        buff = (Button) findViewById(R.id.buff);
        sea.setOnClickListener((View.OnClickListener) this);
        war.setOnClickListener((View.OnClickListener) this);
        drum.setOnClickListener((View.OnClickListener) this);
        mount.setOnClickListener((View.OnClickListener) this);
        volk.setOnClickListener((View.OnClickListener) this);
        buff.setOnClickListener((View.OnClickListener) this);
    }

    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.sea:
                Intent intent = new Intent(this, sea.class);
                startActivity(intent);
                break;
            case R.id.war:
                Intent intent1 = new Intent(this, war.class);
                startActivity(intent1);
                break;
            case R.id.drum:
                Intent intent2 = new Intent(this, drum.class);
                startActivity(intent2);
                break;
            case R.id.mount:
                Intent intent3 = new Intent(this, mount.class);
                startActivity(intent3);
                break;
            case R.id.volk:
                Intent intent4 = new Intent(this, volk.class);
                startActivity(intent4);
                break;
            case R.id.buff:
                Intent intent5 = new Intent(this, buff.class);
                startActivity(intent5);
                break;
        }
    }
}