am 82b3b1bc: Merge "Make location providers upgradeable." into jb-dev (96e4ae6c) · Commits · e / os / android_frameworks_base

core/res/res/values/config.xml

+4 −4

Original line number	Diff line number	Diff line
		@@ -577,11 +577,11 @@
		<!-- True if WallpaperService is enabled -->
		<bool name="config_enableWallpaperService">true</bool>

		<!-- Component name of the service providing network location support. -->
		<string name="config_networkLocationProvider" translatable="false">@null</string>
		<!-- Package name providing network location support. -->
		<string name="config_networkLocationProviderPackageName" translatable="false">@null</string>

		<!-- Component name of the service providing geocoder API support. -->
		<string name="config_geocodeProvider" translatable="false">@null</string>
		<!-- Package name providing geocoder API support. -->
		<string name="config_geocodeProviderPackageName" translatable="false">@null</string>

		<!-- Boolean indicating if current platform supports bluetooth SCO for off call
		use cases -->

core/res/res/values/public.xml

+2 −2

Original line number	Diff line number	Diff line
		@@ -1460,8 +1460,8 @@
		<java-symbol type="string" name="car_mode_disable_notification_title" />
		<java-symbol type="string" name="chooser_wallpaper" />
		<java-symbol type="string" name="config_datause_iface" />
		<java-symbol type="string" name="config_geocodeProvider" />
		<java-symbol type="string" name="config_networkLocationProvider" />
		<java-symbol type="string" name="config_geocodeProviderPackageName" />
		<java-symbol type="string" name="config_networkLocationProviderPackageName" />
		<java-symbol type="string" name="config_wimaxManagerClassname" />
		<java-symbol type="string" name="config_wimaxNativeLibLocation" />
		<java-symbol type="string" name="config_wimaxServiceClassname" />

services/java/com/android/server/LocationManagerService.java

+108 −25

Original line number	Diff line number	Diff line
		@@ -26,7 +26,11 @@ import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.content.ServiceConnection;
		import android.content.pm.PackageInfo;
		import android.content.pm.PackageManager;
		import android.content.pm.ResolveInfo;
		import android.content.pm.PackageManager.NameNotFoundException;
		import android.content.pm.Signature;
		import android.content.res.Resources;
		import android.database.Cursor;
		import android.location.Address;
		@@ -123,8 +127,9 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
		private static boolean sProvidersLoaded = false;

		private final Context mContext;
		private final String mNetworkLocationProviderPackageName;
		private final String mGeocodeProviderPackageName;
		private PackageManager mPackageManager; // final after initialize()
		private String mNetworkLocationProviderPackageName; // only used on handler thread
		private String mGeocodeProviderPackageName; // only used on handler thread
		private GeocoderProxy mGeocodeProvider;
		private IGpsStatusProvider mGpsStatusProvider;
		private INetInitiatedListener mNetInitiatedListener;
		@@ -490,25 +495,78 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
		addProvider(passiveProvider);
		mEnabledProviders.add(passiveProvider.getName());

		// initialize external network location and geocoder services
		PackageManager pm = mContext.getPackageManager();
		if (mNetworkLocationProviderPackageName != null &&
		pm.resolveService(new Intent(mNetworkLocationProviderPackageName), 0) != null) {
		mNetworkLocationProvider =
		new LocationProviderProxy(mContext, LocationManager.NETWORK_PROVIDER,
		mNetworkLocationProviderPackageName, mLocationHandler);

		// initialize external network location and geocoder services.
		// The initial value of mNetworkLocationProviderPackageName and
		// mGeocodeProviderPackageName is just used to determine what
		// signatures future mNetworkLocationProviderPackageName and
		// mGeocodeProviderPackageName packages must have. So alternate
		// providers can be installed under a different package name
		// so long as they have the same signature as the original
		// provider packages.
		if (mNetworkLocationProviderPackageName != null) {
		String packageName = findBestPackage(LocationProviderProxy.SERVICE_ACTION,
		mNetworkLocationProviderPackageName);
		if (packageName != null) {
		mNetworkLocationProvider = new LocationProviderProxy(mContext,
		LocationManager.NETWORK_PROVIDER,
		packageName, mLocationHandler);
		mNetworkLocationProviderPackageName = packageName;
		addProvider(mNetworkLocationProvider);
		}

		if (mGeocodeProviderPackageName != null &&
		pm.resolveService(new Intent(mGeocodeProviderPackageName), 0) != null) {
		mGeocodeProvider = new GeocoderProxy(mContext, mGeocodeProviderPackageName);
		}
		if (mGeocodeProviderPackageName != null) {
		String packageName = findBestPackage(GeocoderProxy.SERVICE_ACTION,
		mGeocodeProviderPackageName);
		if (packageName != null) {
		mGeocodeProvider = new GeocoderProxy(mContext, packageName);
		mGeocodeProviderPackageName = packageName;
		}
		}

		updateProvidersLocked();
		}

		/**
		* Pick the best (network location provider or geocode provider) package.
		* The best package:
		* - implements serviceIntentName
		* - has signatures that match that of sigPackageName
		* - has the highest version value in a meta-data field in the service component
		*/
		String findBestPackage(String serviceIntentName, String sigPackageName) {
		Intent intent = new Intent(serviceIntentName);
		List<ResolveInfo> infos = mPackageManager.queryIntentServices(intent,
		PackageManager.GET_META_DATA);
		if (infos == null) return null;

		int bestVersion = Integer.MIN_VALUE;
		String bestPackage = null;
		for (ResolveInfo info : infos) {
		String packageName = info.serviceInfo.packageName;
		// check signature
		if (mPackageManager.checkSignatures(packageName, sigPackageName) !=
		PackageManager.SIGNATURE_MATCH) {
		Slog.w(TAG, packageName + " implements " + serviceIntentName +
		" but its signatures don't match those in " + sigPackageName +
		", ignoring");
		continue;
		}
		// read version
		int version = 0;
		if (info.serviceInfo.metaData != null) {
		version = info.serviceInfo.metaData.getInt("version", 0);
		}
		if (LOCAL_LOGV) Slog.v(TAG, packageName + " implements " + serviceIntentName +
		" with version " + version);
		if (version > bestVersion) {
		bestVersion = version;
		bestPackage = packageName;
		}
		}

		return bestPackage;
		}

		/**
		* @param context the context that the LocationManagerService runs in
		*/
		@@ -516,10 +574,12 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
		super();
		mContext = context;
		Resources resources = context.getResources();

		mNetworkLocationProviderPackageName = resources.getString(
		com.android.internal.R.string.config_networkLocationProvider);
		com.android.internal.R.string.config_networkLocationProviderPackageName);
		mGeocodeProviderPackageName = resources.getString(
		com.android.internal.R.string.config_geocodeProvider);
		com.android.internal.R.string.config_geocodeProviderPackageName);

		mPackageMonitor.register(context, null, true);

		if (LOCAL_LOGV) {
		@@ -537,6 +597,7 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
		// Create a wake lock, needs to be done before calling loadProviders() below
		PowerManager powerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
		mWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, WAKELOCK_KEY);
		mPackageManager = mContext.getPackageManager();

		// Load providers
		loadProviders();
		@@ -1886,16 +1947,33 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
		}
		} else if (msg.what == MESSAGE_PACKAGE_UPDATED) {
		String packageName = (String) msg.obj;
		String packageDot = packageName + ".";

		// reconnect to external providers after their packages have been updated
		if (mNetworkLocationProvider != null &&
		mNetworkLocationProviderPackageName.startsWith(packageDot)) {
		mNetworkLocationProvider.reconnect();
		// reconnect to external providers if there is a better package
		if (mNetworkLocationProviderPackageName != null &&
		mPackageManager.resolveService(
		new Intent(LocationProviderProxy.SERVICE_ACTION)
		.setPackage(packageName), 0) != null) {
		// package implements service, perform full check
		String bestPackage = findBestPackage(
		LocationProviderProxy.SERVICE_ACTION,
		mNetworkLocationProviderPackageName);
		if (packageName.equals(bestPackage)) {
		mNetworkLocationProvider.reconnect(bestPackage);
		mNetworkLocationProviderPackageName = packageName;
		}
		}
		if (mGeocodeProviderPackageName != null &&
		mPackageManager.resolveService(
		new Intent(GeocoderProxy.SERVICE_ACTION)
		.setPackage(packageName), 0) != null) {
		// package implements service, perform full check
		String bestPackage = findBestPackage(
		GeocoderProxy.SERVICE_ACTION,
		mGeocodeProviderPackageName);
		if (packageName.equals(bestPackage)) {
		mGeocodeProvider.reconnect(bestPackage);
		mGeocodeProviderPackageName = packageName;
		}
		if (mGeocodeProvider != null &&
		mGeocodeProviderPackageName.startsWith(packageDot)) {
		mGeocodeProvider.reconnect();
		}
		}
		} catch (Exception e) {
		@@ -2004,6 +2082,11 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
		// Called by main thread; divert work to LocationWorker.
		Message.obtain(mLocationHandler, MESSAGE_PACKAGE_UPDATED, packageName).sendToTarget();
		}
		@Override
		public void onPackageAdded(String packageName, int uid) {
		// Called by main thread; divert work to LocationWorker.
		Message.obtain(mLocationHandler, MESSAGE_PACKAGE_UPDATED, packageName).sendToTarget();
		}
		};

		// Wake locks

services/java/com/android/server/location/GeocoderProxy.java

+13 −12

Original line number	Diff line number	Diff line
		@@ -39,27 +39,28 @@ public class GeocoderProxy {

		private static final String TAG = "GeocoderProxy";

		public static final String SERVICE_ACTION =
		"com.android.location.service.GeocodeProvider";

		private final Context mContext;
		private final Intent mIntent;
		private final Object mMutex = new Object(); // synchronizes access to mServiceConnection
		private Connection mServiceConnection = new Connection(); // never null
		private Connection mServiceConnection; // never null after ctor

		public GeocoderProxy(Context context, String serviceName) {
		public GeocoderProxy(Context context, String packageName) {
		mContext = context;
		mIntent = new Intent(serviceName);
		mContext.bindService(mIntent, mServiceConnection,
		Context.BIND_AUTO_CREATE \| Context.BIND_NOT_FOREGROUND
		\| Context.BIND_ALLOW_OOM_MANAGEMENT);
		mIntent = new Intent(SERVICE_ACTION);
		reconnect(packageName);
		}

		/**
		* When unbundled NetworkLocationService package is updated, we
		* need to unbind from the old version and re-bind to the new one.
		*/
		public void reconnect() {
		/** Bind to service. Will reconnect if already connected */
		public void reconnect(String packageName) {
		synchronized (mMutex) {
		if (mServiceConnection != null) {
		mContext.unbindService(mServiceConnection);
		}
		mServiceConnection = new Connection();
		mIntent.setPackage(packageName);
		mContext.bindService(mIntent, mServiceConnection,
		Context.BIND_AUTO_CREATE \| Context.BIND_NOT_FOREGROUND
		\| Context.BIND_ALLOW_OOM_MANAGEMENT);

services/java/com/android/server/location/LocationProviderProxy.java

+15 −14

Original line number	Diff line number	Diff line
		@@ -42,12 +42,15 @@ public class LocationProviderProxy implements LocationProviderInterface {

		private static final String TAG = "LocationProviderProxy";

		public static final String SERVICE_ACTION =
		"com.android.location.service.NetworkLocationProvider";

		private final Context mContext;
		private final String mName;
		private final Intent mIntent;
		private final Handler mHandler;
		private final Object mMutex = new Object(); // synchronizes access to non-final members
		private Connection mServiceConnection = new Connection(); // never null
		private Connection mServiceConnection; // never null after ctor

		// cached values set by the location manager
		private boolean mLocationTracking = false;
		@@ -58,28 +61,26 @@ public class LocationProviderProxy implements LocationProviderInterface {
		private NetworkInfo mNetworkInfo;

		// constructor for proxying location providers implemented in a separate service
		public LocationProviderProxy(Context context, String name, String serviceName,
		public LocationProviderProxy(Context context, String name, String packageName,
		Handler handler) {
		mContext = context;
		mName = name;
		mIntent = new Intent(serviceName);
		mIntent = new Intent(SERVICE_ACTION);
		mHandler = handler;
		mContext.bindService(mIntent, mServiceConnection,
		Context.BIND_AUTO_CREATE \| Context.BIND_NOT_FOREGROUND
		\| Context.BIND_ALLOW_OOM_MANAGEMENT);
		reconnect(packageName);
		}

		/**
		* When unbundled NetworkLocationService package is updated, we
		* need to unbind from the old version and re-bind to the new one.
		*/
		public void reconnect() {
		/** Bind to service. Will reconnect if already connected */
		public void reconnect(String packageName) {
		synchronized (mMutex) {
		if (mServiceConnection != null) {
		mContext.unbindService(mServiceConnection);
		}
		mServiceConnection = new Connection();
		mIntent.setPackage(packageName);
		mContext.bindService(mIntent, mServiceConnection,
		Context.BIND_AUTO_CREATE \| Context.BIND_NOT_FOREGROUND
		\| Context.BIND_ALLOW_OOM_MANAGEMENT);
		Context.BIND_AUTO_CREATE \| Context.BIND_NOT_FOREGROUND \|
		Context.BIND_ALLOW_OOM_MANAGEMENT);
		}
		}