Make UsbService optional (2cb6c60c) · Commits · e / os / android_frameworks_base

core/java/com/android/server/SystemService.java

+23 −0

Original line number	Diff line number	Diff line
		@@ -49,9 +49,32 @@ public abstract class SystemService {
		* Boot Phases
		*/
		public static final int PHASE_WAIT_FOR_DEFAULT_DISPLAY = 100; // maybe should be a dependency?

		/**
		* After receiving this boot phase, services can obtain lock settings data.
		*/
		public static final int PHASE_LOCK_SETTINGS_READY = 480;

		/**
		* After receiving this boot phase, services can safely call into core system services
		* such as the PowerManager or PackageManager.
		*/
		public static final int PHASE_SYSTEM_SERVICES_READY = 500;

		/**
		* After receiving this boot phase, services can broadcast Intents.
		*/
		public static final int PHASE_ACTIVITY_MANAGER_READY = 550;

		/**
		* After receiving this boot phase, services can start/bind to third party apps.
		* Apps will be able to make Binder calls into services at this point.
		*/
		public static final int PHASE_THIRD_PARTY_APPS_CAN_START = 600;

		/**
		* After receiving this boot phase, services must have finished all boot-related work.
		*/
		public static final int PHASE_BOOT_COMPLETE = 1000;

		private final Context mContext;

core/java/com/android/server/SystemServiceManager.java

+4 −9

Original line number	Diff line number	Diff line
		@@ -45,18 +45,13 @@ public class SystemServiceManager {
		}

		/**
		* Starts a service by name if the class exists, otherwise ignores it.
		* Starts a service by class name.
		*
		* @return The service instance, or null if not found.
		* @return The service instance.
		*/
		@SuppressWarnings("unchecked")
		public SystemService startServiceIfExists(String className) {
		try {
		public SystemService startService(String className) throws ClassNotFoundException {
		return startService((Class<SystemService>) Class.forName(className));
		} catch (ClassNotFoundException cnfe) {
		Slog.i(TAG, className + " not available, ignoring.");
		return null;
		}
		}

		/**

services/Android.mk

+27 −8

Original line number	Diff line number	Diff line
		@@ -8,13 +8,23 @@ LOCAL_MODULE := services

		LOCAL_SRC_FILES := $(call all-java-files-under,java)

		LOCAL_STATIC_JAVA_LIBRARIES := \
		services.core \
		services.accessibility \
		services.appwidget \
		services.backup \
		services.devicepolicy \
		services.print
		# Uncomment to enable output of certain warnings (deprecated, unchecked)
		# LOCAL_JAVACFLAGS := -Xlint

		# Services that will be built as part of services.jar
		# These should map to directory names relative to this
		# Android.mk.
		services := \
		core \
		accessibility \
		appwidget \
		backup \
		devicepolicy \
		print \
		usb

		# The convention is to name each service module 'services.$(module_name)'
		LOCAL_STATIC_JAVA_LIBRARIES := $(addprefix services.,$(services))

		include $(BUILD_JAVA_LIBRARY)

		@@ -39,7 +49,16 @@ LOCAL_MODULE:= libandroid_servers

		include $(BUILD_SHARED_LIBRARY)

		# =============================================================

		ifeq (,$(ONE_SHOT_MAKEFILE))
		# A full make is happening, so make everything.
		include $(call all-makefiles-under,$(LOCAL_PATH))
		else
		# If we ran an mm[m] command, we still want to build the individual
		# services that we depend on. This differs from the above condition
		# by only including service makefiles and not any tests or other
		# modules.
		include $(patsubst %,$(LOCAL_PATH)/%/Android.mk,$(services))
		endif

services/java/com/android/server/SystemServer.java

+141 −135

Original line number	Diff line number	Diff line
		@@ -112,6 +112,8 @@ public final class SystemServer {
		"com.android.server.appwidget.AppWidgetService";
		private static final String PRINT_MANAGER_SERVICE_CLASS =
		"com.android.server.print.PrintManagerService";
		private static final String USB_SERVICE_CLASS =
		"com.android.server.usb.UsbService$Lifecycle";

		private final int mFactoryTestMode;
		private Timer mProfilerSnapshotTimer;
		@@ -534,8 +536,7 @@ public final class SystemServer {

		try {
		if (pm.hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN)) {
		mSystemServiceManager.startServiceIfExists(
		DEVICE_POLICY_MANAGER_SERVICE_CLASS);
		mSystemServiceManager.startService(DEVICE_POLICY_MANAGER_SERVICE_CLASS);
		}
		} catch (Throwable e) {
		reportWtf("starting DevicePolicyService", e);
		@@ -761,10 +762,11 @@ public final class SystemServer {

		if (!disableNonCoreServices) {
		try {
		Slog.i(TAG, "USB Service");
		if (pm.hasSystemFeature(PackageManager.FEATURE_USB_HOST) \|\|
		pm.hasSystemFeature(PackageManager.FEATURE_USB_ACCESSORY)) {
		// Manage USB host and device support
		usb = new UsbService(context);
		ServiceManager.addService(Context.USB_SERVICE, usb);
		mSystemServiceManager.startService(USB_SERVICE_CLASS);
		}
		} catch (Throwable e) {
		reportWtf("starting UsbService", e);
		}
		@@ -786,7 +788,7 @@ public final class SystemServer {
		if (!disableNonCoreServices) {
		try {
		if (pm.hasSystemFeature(PackageManager.FEATURE_BACKUP)) {
		mSystemServiceManager.startServiceIfExists(BACKUP_MANAGER_SERVICE_CLASS);
		mSystemServiceManager.startService(BACKUP_MANAGER_SERVICE_CLASS);
		}
		} catch (Throwable e) {
		Slog.e(TAG, "Failure starting Backup Service", e);
		@@ -794,7 +796,7 @@ public final class SystemServer {

		try {
		if (pm.hasSystemFeature(PackageManager.FEATURE_APP_WIDGETS)) {
		mSystemServiceManager.startServiceIfExists(APPWIDGET_SERVICE_CLASS);
		mSystemServiceManager.startService(APPWIDGET_SERVICE_CLASS);
		}
		} catch (Throwable e) {
		reportWtf("starting AppWidget Service", e);
		@@ -880,7 +882,7 @@ public final class SystemServer {

		try {
		if (pm.hasSystemFeature(PackageManager.FEATURE_PRINTING)) {
		mSystemServiceManager.startServiceIfExists(PRINT_MANAGER_SERVICE_CLASS);
		mSystemServiceManager.startService(PRINT_MANAGER_SERVICE_CLASS);
		}
		} catch (Throwable e) {
		reportWtf("starting Print Service", e);
		@@ -972,7 +974,6 @@ public final class SystemServer {
		}

		// These are needed to propagate to the runnable below.
		final Context contextF = context;
		final MountService mountServiceF = mountService;
		final BatteryService batteryF = battery;
		final NetworkManagementService networkManagementF = networkManagement;
		@@ -980,7 +981,6 @@ public final class SystemServer {
		final NetworkPolicyManagerService networkPolicyF = networkPolicy;
		final ConnectivityService connectivityF = connectivity;
		final DockObserver dockF = dock;
		final UsbService usbF = usb;
		final WallpaperManagerService wallpaperF = wallpaper;
		final InputMethodManagerService immF = imm;
		final RecognitionManagerService recognitionF = recognition;
		@@ -1000,9 +1000,17 @@ public final class SystemServer {
		// where third party code can really run (but before it has actually
		// started launching the initial applications), for us to complete our
		// initialization.
		final Handler handler = new Handler();
		mActivityManagerService.systemReady(new Runnable() {
		@Override
		public void run() {
		// We initiate all boot phases on the SystemServer thread.
		handler.post(new Runnable() {
		@Override
		public void run() {
		Slog.i(TAG, "Making services ready");
		mSystemServiceManager.startBootPhase(
		SystemService.PHASE_ACTIVITY_MANAGER_READY);

		try {
		mActivityManagerService.startObservingNativeCrashes();
		@@ -1010,7 +1018,7 @@ public final class SystemServer {
		reportWtf("observing native crashes", e);
		}
		try {
		startSystemUi(contextF);
		startSystemUi(context);
		} catch (Throwable e) {
		reportWtf("starting System UI", e);
		}
		@@ -1049,11 +1057,6 @@ public final class SystemServer {
		} catch (Throwable e) {
		reportWtf("making Dock Service ready", e);
		}
		try {
		if (usbF != null) usbF.systemReady();
		} catch (Throwable e) {
		reportWtf("making USB Service ready", e);
		}
		try {
		if (recognitionF != null) recognitionF.systemReady();
		} catch (Throwable e) {
		@@ -1063,7 +1066,8 @@ public final class SystemServer {

		// It is now okay to let the various system services start their
		// third party code...
		mSystemServiceManager.startBootPhase(SystemService.PHASE_THIRD_PARTY_APPS_CAN_START);
		mSystemServiceManager.startBootPhase(
		SystemService.PHASE_THIRD_PARTY_APPS_CAN_START);

		try {
		if (wallpaperF != null) wallpaperF.systemRunning();
		@@ -1091,7 +1095,9 @@ public final class SystemServer {
		reportWtf("Notifying NetworkTimeService running", e);
		}
		try {
		if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemRunning();
		if (commonTimeMgmtServiceF != null) {
		commonTimeMgmtServiceF.systemRunning();
		}
		} catch (Throwable e) {
		reportWtf("Notifying CommonTimeManagementService running", e);
		}
		@@ -1112,13 +1118,11 @@ public final class SystemServer {
		} catch (Throwable e) {
		reportWtf("Notifying InputManagerService running", e);
		}

		try {
		if (telephonyRegistryF != null) telephonyRegistryF.systemRunning();
		} catch (Throwable e) {
		reportWtf("Notifying TelephonyRegistry running", e);
		}

		try {
		if (mediaRouterF != null) mediaRouterF.systemRunning();
		} catch (Throwable e) {
		@@ -1129,6 +1133,8 @@ public final class SystemServer {
		}
		});
		}
		});
		}

		static final void startSystemUi(Context context) {
		Intent intent = new Intent();

services/usb/Android.mk

0 → 100644

+12 −0

Original line number	Diff line number	Diff line
		LOCAL_PATH := $(call my-dir)

		include $(CLEAR_VARS)

		LOCAL_MODULE := services.usb

		LOCAL_SRC_FILES += \
		$(call all-java-files-under,java)

		LOCAL_JAVA_LIBRARIES := services.core

		include $(BUILD_STATIC_JAVA_LIBRARY)