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理解PendingIntent
阅读量:321 次
发布时间:2019-03-03

本文共 1369 字,大约阅读时间需要 4 分钟。

Android??PendingIntent???????????????????????????????Activity Manager Service?AMS????????????????????????PendingIntent???????????????

PendingIntent?????

PendingIntent????????????????????????Intent?????binder???????AMS????PendingIntent????????????

??PendingIntent

???????????

  • getActivity()????????
  • getBroadcast()????????
  • getService()????????
  • getActivities()??????????

??????????PendingIntent??????????IIntentSender????????????????PendingIntent?mTarget??????????????????????

AMS??PendingIntentRecord

PendingIntentRecord?????????

  • controller???PendingIntent?????
  • key??????PendingIntent????????????????????????????????????
  • uid???????
  • ref?????PendingIntentRecord???

??PendingIntent?????

???getActivity()???????????getIntentSender()???????PendingIntentRecord????AMS????????getIntentSender()?????????Key???????????PendingIntentRecord???????????????????????????

??PendingIntent

????send()????PendingIntent?????sendInner()??????????????????????PendingIntent?????????

  • ?????ATM???????
  • ?????sendBroadcast?
  • ?????startService?

sendInner()????????????????????????????????

flags?????

  • FLAG_NO_CREATE?????PendingIntent?
  • FLAG_CANCEL_CURRENT?????PendingIntent?
  • FLAG_UPDATE_CURRENT?????PendingIntent?
  • FLAG_ONE_SHOT?????????

?????????PendingIntent???????????????????

????

  • ??????????????????
  • ????????????
  • ?????????????????

??

PendingIntent??AMS?????????????????????????????????????????????????

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