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Commit cb6873c0 authored by Michal Karpinski's avatar Michal Karpinski
Browse files

Allow all packages participating in any foreground task start 

activities from background

Bug: 128772406 (mechanism)
Bug: 123970943 (manifestation)
Test: manual (going through SUW)
Change-Id: Idee58db64357359619b48ebda4afd288a9349fa3
parent 75ca391b

services/core/java/com/android/server/wm/ActivityStarter.java

+4 −0
Original line number Diff line number Diff line
@@ -997,6 +997,10 @@ class ActivityStarter { 
            if (callerApp.areBackgroundActivityStartsAllowed()) {

                return false;

            }

            // don't abort if the caller has an activity in any foreground task

            if (callerApp.hasActivityInVisibleTask()) {

                return false;

            }

        }

        // don't abort if the callingUid has START_ACTIVITIES_FROM_BACKGROUND permission

        if (mService.checkPermission(START_ACTIVITIES_FROM_BACKGROUND, callingPid, callingUid)

services/core/java/com/android/server/wm/WindowProcessController.java

+14 −0
Original line number Diff line number Diff line
@@ -471,6 +471,20 @@ public class WindowProcessController extends ConfigurationContainer<Configuratio 
        }

    }



    boolean hasActivityInVisibleTask() {

        for (int i = mActivities.size() - 1; i >= 0; --i) {

            TaskRecord task = mActivities.get(i).getTaskRecord();

            if (task == null) {

                continue;

            }

            ActivityRecord topActivity = task.getTopActivity();

            if (topActivity != null && topActivity.visible) {

                return true;

            }

        }

        return false;

    }



    /**

     * Update the top resuming activity in process for pre-Q apps, only the top-most visible

     * activities are allowed to be resumed per process.