tokens: I am using an alarm manager and I have n't been able to maintain the alarms when the system reboots so , I have read that I should use a boot receiver which extends broadcastReceiver but I want to know the exact difference between the receiver itself and the boot receiver .
ner_tags: O O O O B-Class I-Class O O O O O O O O O O O O O O O O O O O O O O O O B-Class I-Class O O B-Class O O O O O O O O O O B-Class O O O B-Class I-Class O