1. Now a user state has ins own spooler since the spooler app is
running per user. The user state registers an observer for the state
of the spooler to get information needed to orchestrate unbinding
from print serivces that have no work and eventually unbinding from
the spooler when all no service has any work.
2. Abstracted a remote print service from the perspective of the system
in a class that is transparently managing binding and unbinding to
the remote instance.
3. Abstracted the remote print spooler to transparently manage binding
and unbinding to the remote instance when there is work and when
there is no work, respectively.
4. Cleaned up the print document adapter (ex-PrintAdapter) APIs to
enable implementing the all callbacks on a thread of choice. If
the document is really small, using the main thread makes sense.
Now if an app that does not need the UI state to layout the printed
content, it can schedule all the work for allocating resources, laying
out, writing, and releasing resources on a dedicated thread.
5. Added info class for the printed document that is now propagated
the the print services. A print service gets an instance of a
new document class that encapsulates the document info and a method
to access the document's data.
6. Added APIs for describing the type of a document to the new document
info class. This allows a print service to do smarts based on the
doc type. For now we have only photo and document types.
7. Renamed the systemReady method for system services that implement
it with different semantics to systemRunning. Such methods assume
the the service can run third-party code which is not the same as
systemReady.
8. Cleaned up the print job configuration activity.
9. Sigh... code clean up here and there. Factoring out classes to
improve readability.
Change-Id: I637ba28412793166cbf519273fdf022241159a92
These new constants are a better mapping to the kind of
information that procstats is wanting to collect about
processes. In doing this, the process states are tweaked
to have a bit more information that we care about for
procstats.
This changes the format of the data printed by procstats,
so the checkin version is bumped to 2. The structure is
the same, however the codes for process states have all
changed. The new codes are, in order of precedence:
p -- persistent system process.
t -- top activity; actually any visible activity.
f -- important foreground process (ime, wallpaper, etc).
b -- important background process
u -- performing backup operation.
w -- heavy-weight process (currently not used).
s -- background process running a service.
r -- process running a receiver.
h -- process hosting home/launcher app when not on top.
l -- process hosting the last app the user was in.
a -- cached process hosting a previous activity.
c -- cached process hosting a client activity.
e -- cached process that is empty.
In addition, we are now collecting uss along with pss
data for each process, so the pss checkin entries now
have three new values at the end of the min/avg/max uss
values of that process.
With this switch to using process state constants more
fundamentally, I realized that they could actually be
used by the core oom adj code to make it a lot cleaner.
So that change has been made, that code has changed quite
radically, and lost a lot of its secondary states and flags
that it used to use in its computation, now relying on
primarily the oom_adj and proc state values for the process.
This also cleaned up a few problems -- for example for
purposes of determing the memory level of the device, if a
long-running service dropped into the cached oom_adj level,
it would start being counted as a cached process and thus
make us think that the memory state is better than it is.
Now we do this based on the proc state, which always stays
as a service regardless of what is happening like this, giving
as a more consistent view of the memory state of the device.
Making proc state a more fundamentally part of the oom adj
computation means that the values can also be more carefully
tuned in semantic meaning so the value assigned to a process
doesn't tend to change unless the semantics of the process
has really significantly changed.
For example, a process will be assigned the service state
regardless of whether that services is executing operations
in the foreground, running normally, or has been dropped to
the lru list for pruning. The top state is used for everything
related to activities visible to the user: when actually on
top, visible but not on top, currently pausing, etc.
There is a new Context.BIND_SHOWING_UI added for when system
services bind to apps, to explicitly indicate that the app
is showing UI for the system. This gives us a better metric
to determine when it is showing UI, and thus when it needs
to do a memory trim when it is no longer in that state. Without
this, services could get in bad states of continually trimming.
Finally, more HashSet containers have been changed to ArraySet,
reducing the temporary iterators created for iterating over
them.
Change-Id: I1724113f42abe7862e8aecb6faae5a7620245e89
Bug: 8365223
This change is a supplement for I77f01c70610d82ce9070d4a
The disabled state of disabled pre-installed imes should be changed
to ENABLED_STATE_DISABLED_UNTIL_USED on boot or user switch.
Change-Id: If8ff1b2b95c36d33148def2ab87bd006aa520cc0
InputChannels are normally duplicated when sent to a remote process
over Binder but this does not happen if the recipient is running within
the system server process. This causes problems for KeyGuard because the
InputMethodManagerService may accidentally dispose the channel
that KeyGuard is using.
Fixed the lifecycle of InputChannels that are managed by the IME
framework. We now return a duplicate of the channel to the application
and then take care to dispose of the duplicate when necessary.
In particular, InputBindResult disposes its InputChannel automatically
when returned through Binder (using PARCELABLE_WRITE_RETURN_VALUE).
Bug: 8493879
Change-Id: I08ec3d13268c76f3b56706b4523508bcefa3be79
The input method manager service now supplies an input channel for
communication while creating an IME session on behalf of the
application.
This change significanly reduces the overhead of IME event dispatch
by using a standard input channel to send input events rather than
using binder. This results in fewer thread context switches
and fewer object allocations.
What's more, the IME may perform additional batching of the motion
events that it receives which may help it catch up if it is
getting behind while processing them.
Bug: 7984576
Bug: 8473020
Change-Id: Ibe26311edd0060cdcae80194f1753482e635786f
8323587: Add feature for supporting app widgets
8323342: Add feature for replacing the home screen
8323590: Add feature for supporting input methods
The app widget service looks for the app widget feature
and refuses to work if it doesn't exist. I didn't do
this for the input method service because some devices
will probably want to still make use of that mechanism
without supporting third party input methods.
Change-Id: Ie3b089105e104f4d767cdb03cdbe4fdb1c17382e
BadTokenException is a normal consequence of swapping IMEs while there
is a DO_SHOW_SOFT_INPUT message in the IIMethodWrapper queue. This
race condition cannot be avoided without an unacceptable lock down of
InputMethodManagerService.
Fixes bug 8387663.
Fixes bug 8263462.
Change-Id: I2c21573cf972145ab08e66604cdb9344139a3f31
When a new IME is attached it is not enough to remove the
WindowManager messages from the local queue, but the ones in
the previous IME queue must also be removed.
Fixes bug 8263462.
Change-Id: I9e916c6052a83dc7691bcba0b6ab8328b9b7cc36
The previous show/hide messages in the queue were still trying
to be honored even after a new ime was attached.
Fixes bug 8263462.
Change-Id: Iee60dbd1d58542f73aedeac5ccb54cddeb5d5dfe
The previous show/hide messages in the queue were still trying
to be honored even after a new ime was attached.
Fixes bug 8263462.
Change-Id: Ie85369346cd3f843389a8e7837f5d97b56885309
[Reproduce the Path]
Precondition : Set "Auto-rotate screen" option to ENABLE
Calendar App lunch -> Rotate device to "Landscape" -> Touch "+" button(Add new Schedule)
-> Check the ime icons of the Status bar
Ime invisible status despite being the icon that appears in the statusbar.
Displays an icon in the status bar when the ime was actually visible state is modified to check.
Change-Id: If103ab909c5bfa6391eb51a696fb8b8f0b18808c
The disabled state allows you to make an app disabled
except for whatever parts of the system still want to
provide access to them and automatically enable them
if the user want to use it.
Currently the input method manager service is the only
part of the system that supports this, so you can put
an IME in this state and it will generally look disabled
but still be available in the IME list and once selected
switched to the enabled state.
Change-Id: I77f01c70610d82ce9070d4aabbadec8ae2cff2a3
