Learn how to save settings and data from a text field.
In onCreate make a SharedPreferences object called "settings"
SharedPreferences settings_ = getSharedPreferences("crtcSecuritySettings", 0);
In summery, this code should be in your onCreate funtion
SharedPreferences settings_ = getSharedPreferences("crtcSecuritySettings", 0);
etMessage_ .setText(settings_.getString("message", "Something Moved!"));
put this code in when you want to save.
SharedPreferences settings = getSharedPreferences("crtcSecuritySettings",0);
SharedPreferences.Editor editor = settings.edit();
editor.putString("message", etMessage_.getText().toString());
editor.putString("number", etPhone_.getText().toString());
editor.commit();
more info: http://www.tutorialspoint.com/android/android_shared_preferences.htm