package com.speedyapps.keepyousafe; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.support.annotation.MainThread; 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,count; String n,n1; public static String file1 = "MyPREFERENCES"; public static String file2 = "PREFERENCES"; public static String file3 = "COUNT"; SharedPreferences sharedpreferences,sp,shared; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); sharedpreferences = getSharedPreferences(file1, Context.MODE_PRIVATE); sp = getSharedPreferences(file2, Context.MODE_PRIVATE); shared = getSharedPreferences(file3, Context.MODE_PRIVATE); intent = new Intent(MainActivity.this,alarmService.class); choice=0; Intent serviceIntent = new Intent(MainActivity.this,SMSReader.class); startService(serviceIntent); } public void onClick(View view){ Log.i("zz",""+choice); switch(choice) { case 0: startService(intent); count = shared.getInt("count", 0); for (int i = 1; i <= count; i++) { n1 = sp.getString("value" + i, ""); n = sharedpreferences.getString(n1, ""); sendSMS(n,"Help Me!!!!"); } break; case 1: stopService(intent); break; } choice=(choice+1)%2; } public void contact(View v) { Intent i=new Intent(this,ContactSelection.class); startActivity(i); } public void sendSMS(String phoneNumber, String message) { SmsManager sms = SmsManager.getDefault(); sms.sendTextMessage(phoneNumber, null, message, null, null); } }