I had to re-do this change for MR1 because LocationManagerService changed
so much. Here is the original change description:
Add package-name-prefix blacklist for location updates.
The Settings.Secure value locationPackagePrefixBlacklist and
locationPackagePrefixWhitelist contains comma seperated package-name
prefixes.
Location & geo-fence updates are silently dropped if the receiving
package name has a prefix on the blacklist. Status updates are
not affected. All other API's work as before.
A content observer is used so run-time updates to the blacklist
apply immediately. There is both a blacklist and a whitelist.
The blacklist applies first, and then exemptions are allowed
from the whitelist. In other words, if your package name prefix
matches both the black AND white list, then it is allowed.
Bug: 6986553
Change-Id: I1e151e08bd7143e47db005bc3fe9795076398df7
Fix a couple of bugs, and modify the behavior of the random offset.
The random offset now slowly changes over time, to mitigate against
applications averaging out the offset over time while at a
grid boundary.
Change-Id: Iecffff29145b8c2b30d1eca1662cf9d3e8cff756
This was never a public API, so we don't need to follow
an orderly deprecation. And it breaks a CTS test:
cts/tests/tests/location/src/android/location/cts/LocationManagerTest.java:521: reference to getLastKnownLocation is ambiguous, both method getLastKnownLocation(java.lang.String) in android.location.LocationManager and method getLastKnownLocation(android.location.Criteria) in android.location.LocationManager match
mManager.getLastKnownLocation(null);
^
Change-Id: I503267e4fa577ce4bf684239da777f11b0e511f5
Themes: Fused Location, Geofencing, LocationRequest.
API changes
o Fused location is always returned when asking for location by Criteria.
o Fused location is never returned as a LocationProvider object, nor returned
as a provider String. This wouldn't make sense because the current API
design assumes that LocationProvider's have fixed properties (accuracy, power
etc).
o The fused location engine will tune itself based on the criteria passed
by applications.
o Deprecate LocationProvider. Apps should use fused location (via Criteria
class), instead of enumerating through LocationProvider objects. It is
also over-engineered: designed for a world with a plethora of location
providers that never materialized.
o The Criteria class is also over-engineered, with many methods that aren't
currently used, but for now we won't deprecate them since they may have
value in the future. It is now used to tune the fused location engine.
o Deprecate getBestProvider() and getProvider().
o Add getLastKnownLocation(Criteria), so we can return last known
fused locations.
o Apps with only ACCESS_COARSE_LOCATION _can_ now use the GPS, but the location
they receive will be fudged to a 1km radius. They can also use NETWORK
and fused locatoins, which are fudged in the same way if necessary.
o Totally deprecate Criteria, in favor of LocationRequest.
Criteria was designed to map QOS to a location provider. What we
really need is to map QOS to _locations_.
The death knell was the conflicting ACCURACY_ constants on
Criteria, with values 1, 2, 3, 1, 2. Yes not a typo.
o Totally deprecate LocationProvider.
o Deprecate test/mock provider support. They require a named provider,
which is a concept we are moving away from. We do not yet have a
replacement, but I think its ok to deprecate since you also
need to have 'allow mock locations' checked in developer settings.
They will continue to work.
o Deprecate event codes associated with provider status. The fused
provider is _always_ available.
o Introduce Geofence data object to provide an easier path fowards
for polygons etc.
Implementation changes
o Fused implementation: incoming (GPS and NLP) location fixes are given
a weight, that exponentially decays with respect to age and accuracy.
The half-life of age is ~60 seconds, and the half-life of accuracy is
~20 meters. The fixes are weighted and combined to output a fused
location.
o Move Fused Location impl into
frameworks/base/packages/FusedLocation
o Refactor Fused Location behind the IProvider AIDL interface. This allow us
to distribute newer versions of Fused Location in a new APK, at run-time.
o Introduce ServiceWatcher.java, to refactor code used for run-time upgrades of
Fused Location, and the NLP.
o Fused Location is by default run in the system server (but can be moved to
any process or pacakge, even at run-time).
o Plumb the Criteria requirements through to the Fused Location provider via
ILocation.sendExtraCommand(). I re-used this interface to avoid modifying the
ILocation interface, which would have broken run-time upgradability of the
NLP.
o Switch the geofence manager to using fused location.
o Clean up 'adb shell dumpsys location' output.
o Introduce config_locationProviderPackageNames and
config_overlay_locationProviderPackageNames to configure the default
and overlay package names for Geocoder, NLP and FLP.
o Lots of misc cleanup.
o Improve location fudging. Apply random vector then quantize.
o Hide internal POJO's from clients of com.android.location.provider.jar
(NLP and FLP). Introduce wrappers ProviderRequestUnbundled and
ProviderPropertiesUnbundled.
o Introduce ProviderProperties to collapse all the provider accuracy/
bearing/altitude/power plumbing (that is deprecated anyway).
o DELETE lots of code: DummyLocationProvider,
o Rename the (internal) LocationProvider to LocationProviderBase.
o Plumb pid, uid and packageName throughout
LocationManagerService#Receiver to support future features.
TODO: The FLP and Geofencer have a lot of room to be more intelligent
TODO: Documentation
TODO: test test test
Change-Id: Iacefd2f176ed40ce1e23b090a164792aa8819c55
Add getElapsedRealtimeNano():
Currently Location just has getTime() and setTime() based on UTC time.
This is entirely unreliable since it is not guaranteed monotonic.
There is a lot of code that compares fix age based on deltas -
and it is all broken in the case of a system clock change. System
clock can change when switching cellular networks (and in some
cases when switching towers).
Document the meaning of getAccuracy():
It is the horizontal, 95% confidence radius.
Make some fields mandatory if they are reported by a LocationProvider:
All Locations returned by a LocationProvider must include at the
minimum a lat, long, timestamps, and accuracy. This is necessary
to perform fused location. There are no public API's for applications
to feed locations into a location provider so this should not cause
any breakage.
If a LocationProvider does not fill in enough fields on a Location
object then it is dropped, and logged.
Bug: 4305998
Change-Id: I7df77125d8a64e174d7bc8c2708661b4f33461ea
Previously any geofence (proximity alert) would turn the GPS on at full rate.
Now, we modify the GPS interval with the distance to the nearest geofence.
A speed of 100m/s is assumed to calculate the next GPS update.
Also
o Major refactor of geofencing code, to make it easier to continue to improve.
o Discard proximity alerts when an app is removed.
o Misc cleanup of nearby code. There are other upcoming changes
that make this a good time for some house-keeping.
TODO:
The new geofencing heuristics are much better than before, but still
relatively naive. The next steps could be:
- Improve boundary detection
- Improve update thottling for large geofences
- Consider velocity when throttling
Change-Id: Ie6e23d2cb2b931eba5d2a2fc759543bb96e2f7d0
There is a long history in Android, on both GED and non GED devices
of GPS providers ignoring the minTime parameter making location updates
every second. The problem is usually poor GPS drivers that claim to
do scheduling but then do not.
By making the minTime parameter strict (instead of a hint) we can add
a CTS test to ensure that udpates to not occur too frequently. I believe
this is the desired behavior from apps. If apps want to take advantage
of more frequent updates when another application asks for those updates
then it can use the passive provider.
The CTS test for GPS has already been submitted (as part of CTS Verifier).
Bug: 6424983
Change-Id: I163b9e44ea7ab71530b86fc2282614e0150e90f1
-------------------------------------------------------
MCC detection fixes for CountryDetector
- Don't get and cache phone tpe at the initialization time. At this point
TelephonyManager is probably not ready yet.
- Refresh MCC whenever we get the service state changed callback, even when
the state hasn't actually changed, in order to make sure we get refresh
country properly when MCC changes.
- Also remove the initialization of mPhoneStateListener, which prevented us from
registering phone state listener properly.
- Also fix tests which were already failing.
Bug 5670680
-------------------------------------------------------
Add logging to country detector logic
This is for debugging purposes to verify the effects of
change Id45abeba1b1e843053ac2c946861b439ca568de4.
Bug: 5670680
Change-Id: I238d953484e2c8135f7dac70fce8662c8300a286
Previously external/libphonenumber accepted lower case
country codes (e.g. "us") but now it doesn't for performance reason.
Actually ISO 3166-1 doesn't allow lower cases, so we should not rely
on them.
Need to fix unit tests for PhoneNumberUtils, as it implicitly
relies on the previous behavior.
See also I3a3e6db84ed0d24290b1be19651fa9a82de4cc39
Bug: 4941319
Change-Id: If16f6531f274a0faf5e28724854409ca9b00a669
Notably, this removes exessive info about resources
from the content package, because it's not a good location
and the info is avilable in the dev guide, but also
added some of the info to the Resources class description.
Change-Id: Ie78af26c9cec66314deb98e53078f48e16c08e70
Also rename Geocoder.isImplemented() to Geocoder.isPresent()
BUG: 3000738
BUG: 3001413
Change-Id: I56bb4e9a9c59f8b79de585eeb168f74c3ff1a853
Signed-off-by: Mike Lockwood <lockwood@android.com>
This fixes a problem where applications could ask the location
manager to do very heavy-weight things (like... say... update
location every minute), which would get accounted against the
system instead of the application because ultimately it is the
system making the heavy calls (wake locks, etc).
To solve this, we introduce a new class WorkSource representing
the source of some work. Wake locks and Wifi locks allow you
to set the source to use (but only if you are system code and thus
can get the permission to do so), which is what will be reported
to the battery stats until the actual caller.
For the initial implementation, the location manager keeps track
of all clients requesting periodic updates, and tells its providers
about them as a WorkSource param when setting their min update time.
The network location provider uses this to set the source on the
wake and wifi locks it acquires, when doing work because of the
update period.
This should also be used elsewhere, such as in the GPS provider,
but this is a good start.
Change-Id: I2b6ffafad9e90ecf15d7c502e2db675fd52ae3cf
See e.g. http://code.google.com/p/android/issues/detail?id=10042
This is also needed by the power control widget, which has no reliable
way otherwise of staying in-sync.
Change-Id: I8f2b6b79b1843329bae952a25ea56f15e3cf92aa
a. The CountryDetector detects the country the user is in
in order of mobile network, location, sim card or locale.
It will be used by contact and contact provider.
b. All added APIs are hidden at this stage.
Change-Id: I4ba278571ffb6ab6ded0996d4f440a18534f8ed4
if the location provider does not exist. Instead use the same behavior
as if the provider were disabled in settings
(return false for isProviderEnabled and null from getLastKnownLocation).
This eliminates for a lot of exception handling around some simple
queries to the location manager.
BUG: 2841014
Change-Id: I4fbe0c088e915c90969e13083201dd3e7f4029cb
Signed-off-by: Mike Lockwood <lockwood@android.com>
Remove ACCURACY_BEST and only use ACCURACY_MEDIUM for horizontal accuracy.
Remove accuracy priority support, since it be difficult to implement in some cases.
Change-Id: I785a781f8d8f3bf3be6693ad71d077b6eb280c31
Signed-off-by: Mike Lockwood <lockwood@android.com>
The Geocorder interface is not part of the Android core. It
requires a backend service which may or may not be available
on a device. The new isImplemented static method allows
apps to discover whether the Geocorder is in fact available
on the device.
Change-Id: I2b5cf7bcc9cce4766bcbb156e91edf34b01f9296
Criteria.java
LocationManager.java
New APIs for criteria based location requests and single shot support.
GeocoderParams.java
GeocodeProvider.java
LocationProvider.java
APIs for network location unbundling.
Change-Id: I3311fa01ce76fe4cba3537617e5b1c8d1f1d42b7
Signed-off-by: Mike Lockwood <lockwood@android.com>
Use MS-Assisted mode for single shot GPS fixes if it is supported.
Add finer grained control over accuracy to the android.location.Criteria class
and location criteria logic from LocationManager to LocationManagerService
Change-Id: I156b1f6c6a45d255c87ff917cf3e9726a6d7a75b
Signed-off-by: Mike Lockwood <lockwood@android.com>
Merge commit 'b6f0cbdcbb566368ebe0468f61de024f644db6e1' into kraken
* commit 'b6f0cbdcbb566368ebe0468f61de024f644db6e1':
Include the API level 4 fields in the Parcel.
For each location provider, call getInternalState() to see if it has any
state information to include in a bugreport. If the returned string is not
null, then print a header with the provided name followed by the returned
string.
Change-Id: I0a388d7fba14ac8cadcb80eda0a0ceb95032410b
Signed-off-by: Fred Fettinger <fred.fettinger@motorola.com>
Signed-off-by: Mike Lockwood <lockwood@android.com>
This does not need to be publc until we unbundle the network location provider.
Change-Id: Ib4109d2392624242eee33f271a8151588e3f0c56
Signed-off-by: Mike Lockwood <lockwood@android.com>
The passive location provider allows receiving location updates without
actually triggering them. This allows an application to receive location
updates that are being generated due to other clients of the location manager.
Change-Id: Ibf7a96b089c56875d4f62d3210252ae8d9f32768
Signed-off-by: Mike Lockwood <lockwood@android.com>
LocationManagerService now uses new Java interface LocationProviderInterface
rather than LocationProviderProxy to refer to location providers internally.
LocationProviderProxy and the ILocationProvider binder interface are only
used for location providers implemented as services (NetworkLocationProvider)
Built-in location providers (GpsLocationProvider and mock providers) now just
implement LocationProviderInterface rather than using a Binder interface and proxy object.
Delete obsolete and unused TestLocationProvider class.
Change-Id: Id800e7c1864f7c666f8e37125c05896493b9c8c4
Signed-off-by: Mike Lockwood <lockwood@android.com>
The network location and geocode provider services are now started on demand
and their interfaces are now retrieved via bindService().
Remove obsolete LocationManager installLocationProvider() and installGeocodeProvider() methods.
Add abstract class android.location.provider.GeocodeProvider to provide a public wrapper to
the IGeocodeProvider Binder interface. Replaces the LocationManager.GeocodeProvider interface.
Rename LocationProviderImpl to android.location.provider.LocationProvider.
Move LocationManager.reportLocation() to android.location.provider.LocationProvider,
so all methods related to external location providers are now all in one class.
Avoid calling from the Location Manager Service into providers that are disabled so we
do not start the network location service unnecessarily.
Change-Id: If3ed2d5d62b83ba508006711d575cad09f4a0007
Signed-off-by: Mike Lockwood <lockwood@android.com>
This should have been removed in my previous change.
Change-Id: I3a080888f995e77a61e3ebf1c194ccd65686af1e
Signed-off-by: Mike Lockwood <lockwood@android.com>
Location providers implemented outside of the core android platform (like network location)
can subclass LocationManagerImpl to implement the location provider interface
without being bound too tightly to the location manager internals.
Change-Id: Id193d4d09f9a14bea13e81af03c914074cd37cb9
