从 Android 6.0（API 23）开始，用户开始在应用运行时向其授予权限，而不是在应用安装时授予。这种权限机制可以让用户更好的管理应用的权限，保障用户隐私。
Android将权限分为普通权限和危险权限，危险权限需要在使用时让用户手动允许。危险权限一共9组24个权限
| 权限组名 | 权限名 |
|---|---|
| CALENDAR | READ_CALENDAR，WRITE_CALENDAR |
| CAMERA | CAMERA |
| CONTACTS | READ_CONTACTS，WRITE_CONTACTS，GET_ACCOUNTS |
| LOCATION | ACCESS_FINE_LOCATION，ACCESS_COARSE_LOCATION |
| MICROPHONE | RECORD_AUDIO |
| PHONE | READ_PHONE_STATE，CALL_PHONE， READ_CALL_LOG，WRITE_CALL_LOG，ADD_VOICEMAIL，USE_SIP，PROCESS_OUTGOING_CALLS |
| SENSORS | BODY_SENSORS |
| SMS | SEND_SMS，RECEIVE_SMS，READ_SMS，RECEIVE_WAP_PUSH，RECEIVE_MMS |
| STORAGE | READ_EXTERNAL_STORAGE，WRITE_EXTERNAL_STORAGE |
