MainActivity.java

package com.javatechig.droid.sms;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.telephony.SmsManager;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends Activity {

	private Button shareIntent;
	private Button send;
	private EditText phoneNo;
	private EditText messageBody;

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

		phoneNo = (EditText) findViewById(R.id.mobileNumber);
		messageBody = (EditText) findViewById(R.id.smsBody);

		send = (Button) findViewById(R.id.send);
		send.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				String number = phoneNo.getText().toString();
				String sms = messageBody.getText().toString();

				try {
					SmsManager smsManager = SmsManager.getDefault();
					smsManager.sendTextMessage(number, null, sms, null, null);
					Toast.makeText(getApplicationContext(), "SMS Sent!",
							Toast.LENGTH_LONG).show();
				} catch (Exception e) {
					Toast.makeText(getApplicationContext(),
							"SMS faild, please try again later!",
							Toast.LENGTH_LONG).show();
					e.printStackTrace();
				}
			}
		});

		shareIntent = (Button) findViewById(R.id.sendViaIntent);
		shareIntent.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				try {
					Intent sendIntent = new Intent(Intent.ACTION_VIEW);
					sendIntent.putExtra("sms_body", messageBody.getText().toString());
					sendIntent.setType("vnd.android-dir/mms-sms");
					startActivity(sendIntent);
				} catch (Exception e) {
					Toast.makeText(getApplicationContext(),
							"SMS faild, please try again later!",
							Toast.LENGTH_LONG).show();
					e.printStackTrace();
				}
			}
		});
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

}