Fix issue #16400873: Apps that show ads as new tasks stay in recents...
...even when I hit back or close the activity in UI
Change the semantics of NEW_DOCUMENT to have the recents entry be
removed by default when its activity is finished, with various ways
to explicitly turn off this behavior.
Change-Id: Idc717706d27de80f28b53ad76f9e375d85118d71
diff --git a/services/core/java/com/android/server/am/TaskRecord.java b/services/core/java/com/android/server/am/TaskRecord.java
index 76373df..061053a 100644
--- a/services/core/java/com/android/server/am/TaskRecord.java
+++ b/services/core/java/com/android/server/am/TaskRecord.java
@@ -54,6 +54,7 @@
private static final String TAG_ACTIVITY = "activity";
private static final String ATTR_AFFINITY = "affinity";
private static final String ATTR_ROOTHASRESET = "root_has_reset";
+ private static final String ATTR_AUTOREMOVERECENTS = "auto_remove_recents";
private static final String ATTR_ASKEDCOMPATMODE = "asked_compat_mode";
private static final String ATTR_USERID = "user_id";
private static final String ATTR_TASKTYPE = "task_type";
@@ -83,6 +84,8 @@
long lastActiveTime; // Last time this task was active, including sleep.
boolean rootWasReset; // True if the intent at the root of the task had
// the FLAG_ACTIVITY_RESET_TASK_IF_NEEDED flag.
+ boolean autoRemoveRecents; // If true, we should automatically remove the task from
+ // recents when activity finishes
boolean askedCompatMode;// Have asked the user about compat mode for this task.
boolean hasBeenVisible; // Set if any activities in the task have been visible to the user.
@@ -159,7 +162,8 @@
TaskRecord(ActivityManagerService service, int _taskId, Intent _intent, Intent _affinityIntent,
String _affinity, ComponentName _realActivity, ComponentName _origActivity,
- boolean _rootWasReset, boolean _askedCompatMode, int _taskType, int _userId,
+ boolean _rootWasReset, boolean _autoRemoveRecents, boolean _askedCompatMode,
+ int _taskType, int _userId,
String _lastDescription, ArrayList<ActivityRecord> activities, long _firstActiveTime,
long _lastActiveTime, long lastTimeMoved, boolean neverRelinquishIdentity,
ActivityManager.TaskDescription _lastTaskDescription, int taskAffiliation,
@@ -177,6 +181,7 @@
realActivity = _realActivity;
origActivity = _origActivity;
rootWasReset = _rootWasReset;
+ autoRemoveRecents = _autoRemoveRecents;
askedCompatMode = _askedCompatMode;
taskType = _taskType;
mTaskToReturnTo = HOME_ACTIVITY_TYPE;
@@ -261,7 +266,20 @@
userId = UserHandle.getUserId(info.applicationInfo.uid);
creatorUid = info.applicationInfo.uid;
if ((info.flags & ActivityInfo.FLAG_AUTO_REMOVE_FROM_RECENTS) != 0) {
- intent.addFlags(Intent.FLAG_ACTIVITY_AUTO_REMOVE_FROM_RECENTS);
+ // If the activity itself has requested auto-remove, then just always do it.
+ autoRemoveRecents = true;
+ } else if ((intent.getFlags()&(Intent.FLAG_ACTIVITY_NEW_DOCUMENT
+ |Intent.FLAG_ACTIVITY_RETAIN_IN_RECENTS)) == Intent.FLAG_ACTIVITY_NEW_DOCUMENT) {
+ // If the caller has not asked for the document to be retained, then we may
+ // want to turn on auto-remove, depending on whether the target has set its
+ // own document launch mode.
+ if (info.documentLaunchMode != ActivityInfo.DOCUMENT_LAUNCH_NONE) {
+ autoRemoveRecents = false;
+ } else {
+ autoRemoveRecents = true;
+ }
+ } else {
+ autoRemoveRecents = false;
}
}
@@ -473,9 +491,7 @@
// We will automatically remove the task either if it has explicitly asked for
// this, or it is empty and has never contained an activity that got shown to
// the user.
- return (intent != null &&
- (intent.getFlags() & Intent.FLAG_ACTIVITY_AUTO_REMOVE_FROM_RECENTS) != 0) ||
- (mActivities.isEmpty() && !hasBeenVisible);
+ return autoRemoveRecents || (mActivities.isEmpty() && !hasBeenVisible);
}
/**
@@ -731,6 +747,7 @@
out.attribute(null, ATTR_AFFINITY, affinity);
}
out.attribute(null, ATTR_ROOTHASRESET, String.valueOf(rootWasReset));
+ out.attribute(null, ATTR_AUTOREMOVERECENTS, String.valueOf(autoRemoveRecents));
out.attribute(null, ATTR_ASKEDCOMPATMODE, String.valueOf(askedCompatMode));
out.attribute(null, ATTR_USERID, String.valueOf(userId));
out.attribute(null, ATTR_TASKTYPE, String.valueOf(taskType));
@@ -784,6 +801,7 @@
ComponentName origActivity = null;
String affinity = null;
boolean rootHasReset = false;
+ boolean autoRemoveRecents = false;
boolean askedCompatMode = false;
int taskType = ActivityRecord.APPLICATION_ACTIVITY_TYPE;
int userId = 0;
@@ -814,6 +832,8 @@
affinity = attrValue;
} else if (ATTR_ROOTHASRESET.equals(attrName)) {
rootHasReset = Boolean.valueOf(attrValue);
+ } else if (ATTR_AUTOREMOVERECENTS.equals(attrName)) {
+ autoRemoveRecents = Boolean.valueOf(attrValue);
} else if (ATTR_ASKEDCOMPATMODE.equals(attrName)) {
askedCompatMode = Boolean.valueOf(attrValue);
} else if (ATTR_USERID.equals(attrName)) {
@@ -876,9 +896,9 @@
final TaskRecord task = new TaskRecord(stackSupervisor.mService, taskId, intent,
affinityIntent, affinity, realActivity, origActivity, rootHasReset,
- askedCompatMode, taskType, userId, lastDescription, activities, firstActiveTime,
- lastActiveTime, lastTimeOnTop, neverRelinquishIdentity, taskDescription,
- taskAffiliation, prevTaskId, nextTaskId);
+ autoRemoveRecents, askedCompatMode, taskType, userId, lastDescription, activities,
+ firstActiveTime, lastActiveTime, lastTimeOnTop, neverRelinquishIdentity,
+ taskDescription, taskAffiliation, prevTaskId, nextTaskId);
for (int activityNdx = activities.size() - 1; activityNdx >=0; --activityNdx) {
activities.get(activityNdx).task = task;