Main class

package com.adamblanchard.remindme.com.adamblanchard;

import com.adamblanchard.remindme.R;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnKeyListener;
import android.widget.Button;
import android.widget.EditText;



public class remindme extends Activity {

    public CharSequence note = "not changed";

int HELLO_ID = 1;

    /** Called when the activity is first created. */
        @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.menu, menu);
        return true;

        }
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.exit: this.finish();
                                break;
        }
        return true; }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        setTitle("Remind Me!");


        final EditText edittext = (EditText) findViewById(R.id.input);
        final Button inputbtn = (Button) findViewById(R.id.button);

//Button Enter

        inputbtn.setOnClickListener(new View.OnClickListener() {
         public void onClick(View v) {
             note = edittext.getText().toString();


             new AlertDialog.Builder(remindme.this)

             .setTitle("Set Notification?")

             .setMessage(null)

             .setPositiveButton("Yes",

             new DialogInterface.OnClickListener() {

             public void onClick(DialogInterface dialog,

             int which) {
                 Note Note = new Note();
  Note.callNotification();
  edittext.setText("");
             }})

            .setNeutralButton("NO",

             new DialogInterface.OnClickListener() {

             public void onClick(DialogInterface dialog,

             int which) {

             }})

             .show();

         }

     }
     );


//Keyboard Enter

        edittext.setOnKeyListener(new OnKeyListener() {
            public boolean onKey(View v, int keyCode, KeyEvent event) {
                // If the event is a key-down event on the "enter" button
                if ((event.getAction() == KeyEvent.ACTION_DOWN) &&
                    (keyCode == KeyEvent.KEYCODE_ENTER)) {
                  // Perform action on key press

                    note = edittext.getText().toString();

                    new AlertDialog.Builder(remindme.this)

                    .setTitle("Set Notification?")

                    .setMessage(null)

                    .setPositiveButton("Yes",

                    new DialogInterface.OnClickListener() {

                    public void onClick(DialogInterface dialog,

                    int which) {
                        Note Note = new Note();
         Note.callNotification();
         edittext.setText("");
                    }})

                   .setNeutralButton("NO",

                    new DialogInterface.OnClickListener() {

                    public void onClick(DialogInterface dialog,

                    int which) {

                    }})

                    .show();


                  return true;
                }
                return false;
            }
        });


    }

}