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Commit 24e9073b authored by Kevin Chyn's avatar Kevin Chyn
Browse files

Skip foregound check if ActivityManagerService returns null list 

In some unknown cases, ActivityManagerService can return a null list
of processes. This is already a corner case, and we do have other
checks so it should be safe to return `true` when this happens.

Fixes: 144821633

Test: BiometricPromptDemo
Change-Id: I07458f812be7f8e331e48cd5566568ed015596bd
parent 6868ae6b

services/core/java/com/android/server/biometrics/BiometricServiceBase.java

+6 −1
Original line number Diff line number Diff line
@@ -1013,8 +1013,13 @@ public abstract class BiometricServiceBase extends SystemService 


    private boolean isForegroundActivity(int uid, int pid) {

        try {

            List<ActivityManager.RunningAppProcessInfo> procs =

            final List<ActivityManager.RunningAppProcessInfo> procs =

                    ActivityManager.getService().getRunningAppProcesses();

            if (procs == null) {

                Slog.e(getTag(), "Processes null, defaulting to true");

                return true;

            }



            int N = procs.size();

            for (int i = 0; i < N; i++) {

                ActivityManager.RunningAppProcessInfo proc = procs.get(i);