Send SMS in Android

How send sms from android ?
for this you must mention sms send permission in android manifest file like this

<uses-permission android:name="android.permission.SEND_SMS" />

after that use this code for send sms to a mobile number

try {
    smsManager.sendTextMessage("--here mobile number--", null, "--here sms text--", null, null);
    Log.d("Mobile", mobile + " message sent");
 } catch (Exception ex) {
    Log.d("Mobile", "Could not send message to " + mobile);
}

sms receive by mobile if proper network available and sufficient balance available