How to Display Toast Message in Android?

 
package com.example.creating_toast;
 
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
 
public class MainActivity extends Activity {
    // creating a menu and adding a toast to it.
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button button1 = (Button) findViewById(R.id.button1);
        button1.setOnClickListener(new View.OnClickListener() {
 
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                startActivity(new Intent("com.example.creating_toast.toast"));
            }
        });
 
    }
 
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        super.onCreateOptionsMenu(menu);
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
 
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // TODO Auto-generated method stub
        switch (item.getItemId()) {
        case R.id.activity1:
            startActivity(new Intent("com.example.creating_toast.toast"));
 
            return true;
        case R.id.toast:
            Toast var = Toast.makeText(MainActivity.this, "yep this is a toast",
                    Toast.LENGTH_SHORT);
 
            var.show();
            return true;
        }
        return false;
 
    }
 
}

 
package com.example.creating_toast;
 
import android.app.Activity;
import android.os.Bundle;
 
public class toast extends Activity{
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        setContentView(R.layout.about);
    }
 
}