How do yall go about figuring out which broadcasts are system broadcasts (=> receiver not exported), vs broadcasts from high privileged apps but not system, e.g. battery change (receiver exported)?
Asking because Google Play Store is requiring targeting API 34 and.this dumb new rule of having to specify exported vs not exported for broadcasts seems tricky if you don't know which broadcasts should be exported.
@botteaap @py System broadcasts don't require an exported receiver. Consistent with our experience (for `BOOT_COMPLETED`). The documentation says:
> Whether the broadcast receiver can receive messages from non-system sources outside its application. It's "true" if it can, and "false" if not. If "false", the only messages the broadcast receiver receives are those sent by the system, components of the same application, or applications with the same user ID.
https://developer.android.com/guide/topics/manifest/receiver-element#exported
Declares a broadcast receiver (a BroadcastReceiver subclass) as one of the application's components. Broadcast receivers enable applications to receive intents that are broadcast by the system or by other applications, even when other components of…
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