package com.speedyapps.keepyousafe; import android.content.Intent; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.telephony.SmsManager; import android.util.Log; import android.view.View; public class MainActivity extends AppCompatActivity { Intent intent;int choice; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); intent = new Intent(MainActivity.this,alarmService.class); choice=0; } //AJDSGAJSGDHGSADASGJDA public void onClick(View view){ Log.i("zz",""+choice); switch(choice) { case 0: startService(intent); sendSMS("9047570040e","Help Me!!!!"); break; case 1: stopService(intent); break; } choice=(choice+1)%2; } public void sendSMS(String phoneNumber, String message) { SmsManager sms = SmsManager.getDefault(); sms.sendTextMessage(phoneNumber, null, message, null, null); } }