GCM not waking up device

Question

I developing a GCM application. Everything works fine when the device is not idle (i.e. sleeping by pressing the power button). However, when I send the message when the device

Answer 1

Server side need this code;

    builder.delayWhileIdle(false);

it's mean that no wake up phone on deep sleep. but received message.

then when wake up user phone, generated new intent for GCMIntentService.