appops set block not working

[ynu...@gmail.com]

I set ignore to this operation and then use adb shell to check its state, found it not working.

 adb shell appops get com.eg.android.AlipayGphone CAMERA
CAMERA: allow; time=+18d5h44m11s986ms ago; duration=+1s739ms

[ynu...@gmail.com]

some of the operations working, for example, TOAST_WINDOW

[Henrik "The Developer" Lindqvist]

A rooted device is required.

Any error message?

[ynu...@gmail.com]

My phone is rooted.No error message

[Henrik "The Developer" Lindqvist]

Have you tried the other modes, e.g. Deny?

The difference for Camera and Toast Window is that the former also involves the camera permission.

It's likely a system issue, since the block works the same way regardless of Operation, i.e. same for both Camera and Toast window.

[ynu...@gmail.com]

I tried mode Error, and still the same 

adb shell appops get com.eg.android.AlipayGphone CAMERA

CAMERA: allow; time=+18d15h55m42s510ms ago; duration=+1s739ms

I also tried another operation "activity_recognition" with mode "Error" and mode "Ignore" 

adb shell appops get com.eg.android.AlipayGphone ACTIVITY_RECOGNITION

ACTIVITY_RECOGNITION: allow; time=+58m45s902ms ago

[Henrik "The Developer" Lindqvist]

I sadly no longer have a rooted device to test on.
Does it work if you use ADB to revoke, e.g.:
adb shell appops set com.eg.android.AlipayGphone CAMERA deny

[ynu...@gmail.com]

PS C:\Users\xxx> adb shell appops set com.eg.android.AlipayGphone CAMERA deny

PS C:\Users\xxx> adb shell appops get com.eg.android.AlipayGphone CAMERA

CAMERA: allow; time=+18d17h5m25s94ms ago; duration=+1s739ms

Then I use another app called "APP OPS" to set this, the output looks like this.

PS C:\Users\xxx> adb shell appops get com.eg.android.AlipayGphone CAMERA

Uid mode: CAMERA: ignore

CAMERA: allow; time=+18d17h5m41s304ms ago; duration=+1s739ms

[ynu...@gmail.com]

my device is pixel 4 with android 11

[Henrik "The Developer" Lindqvist]

The block does exactly what the appops command does, so if that doesn't work then neither will the block.

The command may not be working because of an lacking --user <USER_ID> argument, how you get that for a particular user i don't know.

I don't know what the "APP OPS" app is doing, but it seems to be using another API call setUidMode, which is not advised, see: https://github.com/aosp-mirror/platform_frameworks_base/blob/master/core/java/android/app/AppOps.md

[Shari Shark]

Anyway I'm going to hijack this thread. It might be worth while to look at appops/shizuku for what you are trying to achieve.

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