We used the system proterties as a shared memory mechanism
to propagate information to local settings caches when the
content has changed and the cache should be cleared. The
system properties are unfortunately updated asynchronously
leading to cases where clients may read stale data.
This change adds a simple int array data structure backed
by shared memory which guarantees individual values are
atomically read and updated without memory tear. Multi-
index opearations are not synchronized between each other.
The settings provider is using the new data structure to
propagate the settings generation which drives when caches
are purged.
We have a single memory array keeping the generation for
different settings tables per user. Since memory array is
not a compact data structure and the user space exceeds
the memory array size we use an in-memory map from keys
to indices in the memory array where the generation id of
a key is stored. A key is derived by the setting type in
the 4 most significant bits and the user id in the 28 least
significant bits.
The mapping from a key to an index is cleared if the user is
removed and the corresponding index in the memory arry is
reset to make it available for other users. The size of the
memory array is derived from the max user count that can be
created at the same time.
bug:18826179
Change-Id: I64009cc5105309ef9aa83aba90b82afc8ad8c659
- Allow jank-free VR->VR activity transitions, even during
long activity transitions.
Bug: 28115931
Change-Id: I1e3fd1a5245bac3433ea6282cb1c7a71f0e0266f
To support moving DownloadManager, add new JobScheduler network type
constraint that matches "any network except roaming." Also add an
API to get a specific JobInfo by ID.
Since the default network can be different on a per-app basis, and
individual apps may be blocked due to app standby, evaluate job
connectivity constraints on a per-UID basis. To implement this
cleanly, add NetworkInfo.isMetered() to match the isRoaming() API.
Add new DownloadManager APIs to support charging and device idle
constraints, which are plumbed through to JobScheduler under the
hood when scheduled.
Add filtering to JobScheduler dumpsys to omit noisy details for
packages the caller isn't interested in.
Bug: 28098882, 26571724, 19821935
Change-Id: I09ca7184ef7ce6adba399f579d415a5fb2ea6110
* introduced a new intent DISMISS_KEYBOARD_SHORTCUTS and
and new public API in Activity (which sends a broadcast
to KeyboardShortcutsReceiver) which applications can
use to dismiss the keyboard shortcuts.
* plumbing and implementation for a new call to dismiss
keyboard shortcuts from PhoneWindowManager and used it:
** when starting activities invoked via Search+key
** when starting activities invoked via META
** when starting activities via application launch keys
* removed unused variable in
Activity#onProvideKeyboardShortcuts
Note that for apps started via touch (aka non-shortcut)
like tapping the Settings gear icon from the notification
bar the menu is not automatically dismissed.
Bug: 28012198
Change-Id: I83a8d4f342bb8a08115a648648834d0d2bac19fd
Currently it does not use a ClassLoader to read
any super state, which can cause crashes for
custom views using the class but on a different
class loader.
BUG: 27790353
Change-Id: I4f4d1d72f213f2481606673643c0e56c23d34bc6
Adds setSustainedPerformanceMode(boolean) API for applications to set
the mode for a given window. The mode will be disabled automatically when the
window is no longer in focus.
Bug: 28150358
Change-Id: Ibe8bc564eeaaccbcaad5c4f792cda16da931dffd
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
Previously MtpDevice#readEvent does not have throws IOException at its
definition, though internal JNI functions throws it.
BUG=28254719
Change-Id: I4e6cf8003d168b7e732c4b4eb2eafe52a12442c2
BatteryStats uses a mix of microseconds and milliseconds, and keeping
which one is which straight is difficult. The internal bookkeeping
is left using us where it already does, for the extra precision. But
having the API be mixed will only make it harder for developers, and
lead them to make the same mistake that I did in the API where I
missed some conversions.
Bug: 28197858
Change-Id: I99114bae259b9bdd47ce5c22e724d87bbd63336d
...kill previous notification.
Add new platform API to detach a notification from a service
without dismissing it.
Also, while I am here, add some more @IntDefs.
Change-Id: I3bb46d9cd3db7f73716c8ced19c20fea800eb30d
* MtpEvent: Remove public constructor since properties cannot be set
directly.
* MtpEvent: Move event constants from MtpConstants to MtpEvent class.
* getPartialObject64: the byte[] must have indices of Integer.MAX_VALUE
at most. Document as such.
* sendObjectInfo: what happens if the transfer doesn’t succeed? How is
the app notified? If there is a reason for the failure communicated,
how does the app find this out? Add docs.
* Add isOperationSupported(int) and isEventSupported(int) helpers.
Change-Id: Ifd80016d2ddd3b66d5c45f6da76b6133f0c9a617
Fixes: 28146379
