Required Permissions <uses-permission android:name= "Android.permission.SEND_SMS"/>
public class Messageactivity extends Activity {private EditText number;private EditText content;private button button; @Override public void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (R.layout.main); Number = (EditText) This.findviewbyid (R.id.number); Content = (EditText) This.findviewbyid (r.id.content); Button = (button) This.findviewbyid (R.id.button); Button.setonclicklistener (Buttononclicklistener); } private Onclicklistener Buttononclicklistener = new Onclicklistener () {@Overridepublic void OnClick (View v) {Strin G Numbertext = Number.gettext (). toString (); String ContentText = Content.gettext (). toString (); Smsmanager SMS = Smsmanager.getdefault (); arraylist<string> texts = Sms.dividemessage (ContentText); for (String t:texts) {sms.sendtextmessage (NumberText, NULL, t, NULL, NULL);} Toast.maketext (Getapplicationcontext (), r.string.success, Toast.length_long);} };}