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Commit 0180d5bf authored by burakov's avatar burakov Committed by Danny Burakov
Browse files

[flexiglass] Force garbage collection after successful authentication. 

Fix: 308826153
Test: Unit tests updated and still pass.
Flag: ACONFIG com.android.systemui.scene_container DEVELOPMENT
Change-Id: Ib7612896983d6eefa7c8729fa51ecf1e21d27c0b
parent 9dda4cc1

packages/SystemUI/src/com/android/systemui/authentication/domain/interactor/AuthenticationInteractor.kt

+14 −0
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ import kotlinx.coroutines.flow.distinctUntilChanged 
import kotlinx.coroutines.flow.map

import kotlinx.coroutines.flow.stateIn

import kotlinx.coroutines.launch

import kotlinx.coroutines.withContext



/**

 * Hosts application business logic related to user authentication.
@@ -227,6 +228,10 @@ constructor( 
            // Since authentication succeeded, we should refresh throttling to make sure that our

            // state is completely reflecting the upstream source of truth.

            refreshThrottling()



            // Force a garbage collection in an attempt to erase any credentials left in memory.

            // Do it after a 5-sec delay to avoid making the bouncer dismiss animation janky.

            initiateGarbageCollection(delayMs = 5000)

        }



        return if (authenticationResult.isSuccessful) {
@@ -310,6 +315,15 @@ constructor( 
        }

    }



    private suspend fun initiateGarbageCollection(delayMs: Long) {

        withContext(backgroundDispatcher) {

            delay(delayMs)

            System.gc()

            System.runFinalization()

            System.gc()

        }

    }



    companion object {

        const val TAG = "AuthenticationInteractor"

    }