title: Android services lifecycle
body: <p>I have 4 services A B C and D. I have made A running in a loop and when the start of its initialization, i set alarm manager intent in my A service to start B C and D services every few minutes. So A keeps running, and B,C and D wake up every few minutes complete their tasks and go to sleep. Now I want A also to be woken up by Alarm Manager. </p>
  
  <p>How can I do it?</p>
  
  <p>Thank you in advance.</p>