how to let the user Choose between Specific providers and Reflects that value in your Activity ؟
<p>I want to create android app that send some Specific massage after the user input some data
but the thing is that for every provider i have to send the massage to Specific  number
and I want to know how to reflect the change of providers in the code how to do that ?</p>

<p>and if I want to open an activity for providers selection and also reflect what happen in that activity to another activity how to do that also?</p>
