services/java/com/android/server/SystemServer.java - LeafOS-Project/android_frameworks_base - Gitiles

 /*
  * Copyright (C) 2006 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.server;

 import android.app.ActivityManagerNative;
 import android.content.ContentResolver;
 import android.content.ContentService;
 import android.content.Context;
 import android.content.pm.IPackageManager;
 import android.database.ContentObserver;
 import android.database.Cursor;
 import android.media.AudioService;
 import android.os.Looper;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SystemClock;
 import android.os.SystemProperties;
 import android.os.IBinder;
 import android.provider.Settings;
 import android.provider.Contacts.People;
 import android.server.BluetoothDeviceService;
 import android.server.BluetoothA2dpService;
 import android.server.checkin.FallbackCheckinService;
 import android.server.search.SearchManagerService;
 import android.util.EventLog;
 import android.util.Log;

 import dalvik.system.TouchDex;
 import dalvik.system.VMRuntime;

 import com.android.server.am.ActivityManagerService;
 import com.android.server.status.StatusBarService;

 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;

 class ServerThread extends Thread {
     private static final String TAG = "SystemServer";
     private final static boolean INCLUDE_DEMO = false;

     private static final int LOG_BOOT_PROGRESS_SYSTEM_RUN = 3010;

     private ContentResolver mContentResolver;

     private class AdbSettingsObserver extends ContentObserver {
         public AdbSettingsObserver() {
             super(null);
         }
         @Override
         public void onChange(boolean selfChange) {
             boolean enableAdb = (Settings.Secure.getInt(mContentResolver,
                 Settings.Secure.ADB_ENABLED, 0) > 0);
             // setting this secure property will start or stop adbd
            SystemProperties.set("persist.service.adb.enable", enableAdb ? "1" : "0");
         }
     }

     @Override
     public void run() {
         EventLog.writeEvent(LOG_BOOT_PROGRESS_SYSTEM_RUN,
             SystemClock.uptimeMillis());

         ActivityManagerService.prepareTraceFile(false);     // create dir

         Looper.prepare();

         android.os.Process.setThreadPriority(
                 android.os.Process.THREAD_PRIORITY_FOREGROUND);

         String factoryTestStr = SystemProperties.get("ro.factorytest");
         int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF
                 : Integer.parseInt(factoryTestStr);

         PowerManagerService power = null;
         IPackageManager pm = null;
         Context context = null;
         WindowManagerService wm = null;
         BluetoothDeviceService bluetooth = null;
         BluetoothA2dpService bluetoothA2dp = null;
         HeadsetObserver headset = null;

         // Critical services...
         try {
             Log.i(TAG, "Starting Power Manager.");
             power = new PowerManagerService();
             ServiceManager.addService(Context.POWER_SERVICE, power);

             Log.i(TAG, "Starting Activity Manager.");
             context = ActivityManagerService.main(factoryTest);

             Log.i(TAG, "Starting telephony registry");
             ServiceManager.addService("telephony.registry", new TelephonyRegistry(context));

             AttributeCache.init(context);

             Log.i(TAG, "Starting Package Manager.");
             pm = PackageManagerService.main(context,
                     factoryTest != SystemServer.FACTORY_TEST_OFF);

             ActivityManagerService.setSystemProcess();

             mContentResolver = context.getContentResolver();

             Log.i(TAG, "Starting Content Manager.");
             ContentService.main(context,
                     factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL);

             Log.i(TAG, "Starting System Content Providers.");
             ActivityManagerService.installSystemProviders();

             Log.i(TAG, "Starting Battery Service.");
             BatteryService battery = new BatteryService(context);
             ServiceManager.addService("battery", battery);

             // only initialize the power service after we have started the
             // content providers and the batter service.
             power.init(context, ActivityManagerService.getDefault(), battery);

             Log.i(TAG, "Starting Alarm Manager.");
             AlarmManagerService alarm = new AlarmManagerService(context);
             ServiceManager.addService(Context.ALARM_SERVICE, alarm);

             Watchdog.getInstance().init(context, battery, power, alarm,
                     ActivityManagerService.self());

             // Sensor Service is needed by Window Manager, so this goes first
             Log.i(TAG, "Starting Sensor Service.");
             ServiceManager.addService(Context.SENSOR_SERVICE, new SensorService(context));

             Log.i(TAG, "Starting Window Manager.");
             wm = WindowManagerService.main(context, power,
                     factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL);
             ServiceManager.addService(Context.WINDOW_SERVICE, wm);

             ((ActivityManagerService)ServiceManager.getService("activity"))
                     .setWindowManager(wm);

             // Skip Bluetooth if we have an emulator kernel
             // TODO: Use a more reliable check to see if this product should
             // support Bluetooth - see bug 988521
             if (SystemProperties.get("ro.kernel.qemu").equals("1")) {
                 Log.i(TAG, "Registering null Bluetooth Service (emulator)");
                 ServiceManager.addService(Context.BLUETOOTH_SERVICE, null);
             } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) {
                 Log.i(TAG, "Registering null Bluetooth Service (factory test)");
                 ServiceManager.addService(Context.BLUETOOTH_SERVICE, null);
             } else {
                 Log.i(TAG, "Starting Bluetooth Service.");
                 bluetooth = new BluetoothDeviceService(context);
                 bluetooth.init();
                 ServiceManager.addService(Context.BLUETOOTH_SERVICE, bluetooth);
                 bluetoothA2dp = new BluetoothA2dpService(context);
                 ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE,
                                           bluetoothA2dp);

                 int bluetoothOn = Settings.Secure.getInt(mContentResolver,
                     Settings.Secure.BLUETOOTH_ON, 0);
                 if (bluetoothOn > 0) {
                     bluetooth.enable(null);
                 }
             }

         } catch (RuntimeException e) {
             Log.e("System", "Failure starting core service", e);
         }

         StatusBarService statusBar = null;
         InputMethodManagerService imm = null;

         if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
             try {
                 Log.i(TAG, "Starting Status Bar Service.");
                 statusBar = new StatusBarService(context);
                 ServiceManager.addService("statusbar", statusBar);
                 com.android.server.status.StatusBarPolicy.installIcons(context, statusBar);
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting StatusBarService", e);
             }

             try {
                 Log.i(TAG, "Starting Clipboard Service.");
                 ServiceManager.addService("clipboard", new ClipboardService(context));
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting Clipboard Service", e);
             }

             try {
                 Log.i(TAG, "Starting Input Method Service.");
                 imm = new InputMethodManagerService(context, statusBar);
                 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm);
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting Input Manager Service", e);
             }

             try {
                 Log.i(TAG, "Starting Hardware Service.");
                 ServiceManager.addService("hardware", new HardwareService(context));
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting Hardware Service", e);
             }

             try {
                 Log.i(TAG, "Starting NetStat Service.");
                 ServiceManager.addService("netstat", new NetStatService(context));
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting NetStat Service", e);
             }

             try {
                 Log.i(TAG, "Starting Connectivity Service.");
                 ServiceManager.addService(Context.CONNECTIVITY_SERVICE,
                         ConnectivityService.getInstance(context));
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting Connectivity Service", e);
             }

             try {
                 Log.i(TAG, "Starting Notification Manager.");
                 ServiceManager.addService(Context.NOTIFICATION_SERVICE,
                         new NotificationManagerService(context, statusBar));
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting Notification Manager", e);
             }

             try {
                 // MountService must start after NotificationManagerService
                 Log.i(TAG, "Starting Mount Service.");
                 ServiceManager.addService("mount", new MountService(context));
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting Mount Service", e);
             }

             try {
                 Log.i(TAG, "Starting DeviceStorageMonitor service");
                 ServiceManager.addService(DeviceStorageMonitorService.SERVICE,
                         new DeviceStorageMonitorService(context));
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting DeviceStorageMonitor service", e);
             }

             try {
                 Log.i(TAG, "Starting Location Manager.");
                 ServiceManager.addService(Context.LOCATION_SERVICE, new LocationManagerService(context));
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting Location Manager", e);
             }

             try {
                 Log.i(TAG, "Starting Search Service.");
                 ServiceManager.addService( Context.SEARCH_SERVICE, new SearchManagerService(context) );
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting Search Service", e);
             }

             if (INCLUDE_DEMO) {
                 Log.i(TAG, "Installing demo data...");
                 (new DemoThread(context)).start();
             }

             try {
                 Log.i(TAG, "Starting Checkin Service");
                 addService(context, "checkin", "com.google.android.server.checkin.CheckinService",
                         FallbackCheckinService.class);
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting Checkin Service", e);
             }

             try {
                 Log.i(TAG, "Starting Wallpaper Service");
                 ServiceManager.addService(Context.WALLPAPER_SERVICE, new WallpaperService(context));
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting Wallpaper Service", e);
             }

             try {
                 Log.i(TAG, "Starting Audio Service");
                 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context));
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting Volume Service", e);
             }

             try {
                 Log.i(TAG, "Starting HeadsetObserver");
                 // Listen for wired headset changes
                 headset = new HeadsetObserver(context);
             } catch (Throwable e) {
                 Log.e(TAG, "Failure starting HeadsetObserver", e);
             }
         }

         // make sure the ADB_ENABLED setting value matches the secure property value
         Settings.Secure.putInt(mContentResolver, Settings.Secure.ADB_ENABLED,
                 "1".equals(SystemProperties.get("persist.service.adb.enable")) ? 1 : 0);

         // register observer to listen for settings changes
         mContentResolver.registerContentObserver(Settings.Secure.getUriFor(Settings.Secure.ADB_ENABLED),
                 false, new AdbSettingsObserver());

         // It is now time to start up the app processes...
         if (statusBar != null) {
             statusBar.systemReady();
         }
         if (imm != null) {
             imm.systemReady();
         }
         wm.systemReady();
         power.systemReady();
         try {
             pm.systemReady();
         } catch (RemoteException e) {
         }

         // After making the following code, third party code may be running...
         try {
             ActivityManagerNative.getDefault().systemReady();
         } catch (RemoteException e) {
         }

         Watchdog.getInstance().start();

         Looper.loop();
         Log.d(TAG, "System ServerThread is exiting!");
     }

     private void addService(Context context, String name, String serviceClass,
             Class<? extends IBinder> fallback) {

         final IBinder service = findService(context, serviceClass, fallback);
         if (service != null) {
             ServiceManager.addService(name, service);
         } else {
             Log.e(TAG, "Failure starting service '" + name + "' with class " + serviceClass);
         }
     }

     private IBinder findService(Context context, String serviceClass,
             Class<? extends IBinder> fallback) {

         IBinder service = null;
         try {
             Class<?> klass = Class.forName(serviceClass);
             Constructor<?> c = klass.getConstructor(Context.class);
             service = (IBinder) c.newInstance(context);
         } catch (ClassNotFoundException e) {
             // Ignore
         } catch (IllegalAccessException e) {
             // Ignore
         } catch (NoSuchMethodException e) {
             // Ignore
         } catch (InvocationTargetException e) {
             // Ignore
         } catch (InstantiationException e) {
             // Ignore
         }

         if (service == null && fallback != null) {
             Log.w(TAG, "Could not find " + serviceClass + ", trying fallback");
             try {
                 service = fallback.newInstance();
             } catch (IllegalAccessException e) {
                 // Ignore
             } catch (InstantiationException e) {
                 // Ignore
             }
         }

         return service;
     }
 }

 class DemoThread extends Thread
 {
     DemoThread(Context context)
     {
         mContext = context;
     }

     @Override
     public void run()
     {
         try {
             Cursor c = mContext.getContentResolver().query(People.CONTENT_URI, null, null, null, null);
             boolean hasData = c != null && c.moveToFirst();
             if (c != null) {
                 c.deactivate();
             }
             if (!hasData) {
                 DemoDataSet dataset = new DemoDataSet();
                 dataset.add(mContext);
             }
         } catch (Throwable e) {
             Log.e("SystemServer", "Failure installing demo data", e);
         }

     }

     Context mContext;
 }

 public class SystemServer
 {
     private static final String TAG = "SystemServer";

     public static final int FACTORY_TEST_OFF = 0;
     public static final int FACTORY_TEST_LOW_LEVEL = 1;
     public static final int FACTORY_TEST_HIGH_LEVEL = 2;

     /**
      * This method is called from Zygote to initialize the system. This will cause the native
      * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back
      * up into init2() to start the Android services.
      */
     native public static void init1(String[] args);

     public static void main(String[] args) {
         // The system server has to run all of the time, so it needs to be
         // as efficient as possible with its memory usage.
         VMRuntime.getRuntime().setTargetHeapUtilization(0.8f);

         System.loadLibrary("android_servers");
         init1(args);
     }

     public static final void init2() {
         Log.i(TAG, "Entered the Android system server!");
         Thread thr = new ServerThread();
         thr.setName("android.server.ServerThread");
         thr.start();
     }
 }
	/*
	* Copyright (C) 2006 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.server;

	import android.app.ActivityManagerNative;
	import android.content.ContentResolver;
	import android.content.ContentService;
	import android.content.Context;
	import android.content.pm.IPackageManager;
	import android.database.ContentObserver;
	import android.database.Cursor;
	import android.media.AudioService;
	import android.os.Looper;
	import android.os.RemoteException;
	import android.os.ServiceManager;
	import android.os.SystemClock;
	import android.os.SystemProperties;
	import android.os.IBinder;
	import android.provider.Settings;
	import android.provider.Contacts.People;
	import android.server.BluetoothDeviceService;
	import android.server.BluetoothA2dpService;
	import android.server.checkin.FallbackCheckinService;
	import android.server.search.SearchManagerService;
	import android.util.EventLog;
	import android.util.Log;

	import dalvik.system.TouchDex;
	import dalvik.system.VMRuntime;

	import com.android.server.am.ActivityManagerService;
	import com.android.server.status.StatusBarService;

	import java.lang.reflect.Constructor;
	import java.lang.reflect.InvocationTargetException;

	class ServerThread extends Thread {
	private static final String TAG = "SystemServer";
	private final static boolean INCLUDE_DEMO = false;

	private static final int LOG_BOOT_PROGRESS_SYSTEM_RUN = 3010;

	private ContentResolver mContentResolver;

	private class AdbSettingsObserver extends ContentObserver {
	public AdbSettingsObserver() {
	super(null);
	}
	@Override
	public void onChange(boolean selfChange) {
	boolean enableAdb = (Settings.Secure.getInt(mContentResolver,
	Settings.Secure.ADB_ENABLED, 0) > 0);
	// setting this secure property will start or stop adbd
	SystemProperties.set("persist.service.adb.enable", enableAdb ? "1" : "0");
	}
	}

	@Override
	public void run() {
	EventLog.writeEvent(LOG_BOOT_PROGRESS_SYSTEM_RUN,
	SystemClock.uptimeMillis());

	ActivityManagerService.prepareTraceFile(false); // create dir

	Looper.prepare();

	android.os.Process.setThreadPriority(
	android.os.Process.THREAD_PRIORITY_FOREGROUND);

	String factoryTestStr = SystemProperties.get("ro.factorytest");
	int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF
	: Integer.parseInt(factoryTestStr);

	PowerManagerService power = null;
	IPackageManager pm = null;
	Context context = null;
	WindowManagerService wm = null;
	BluetoothDeviceService bluetooth = null;
	BluetoothA2dpService bluetoothA2dp = null;
	HeadsetObserver headset = null;

	// Critical services...
	try {
	Log.i(TAG, "Starting Power Manager.");
	power = new PowerManagerService();
	ServiceManager.addService(Context.POWER_SERVICE, power);

	Log.i(TAG, "Starting Activity Manager.");
	context = ActivityManagerService.main(factoryTest);

	Log.i(TAG, "Starting telephony registry");
	ServiceManager.addService("telephony.registry", new TelephonyRegistry(context));

	AttributeCache.init(context);

	Log.i(TAG, "Starting Package Manager.");
	pm = PackageManagerService.main(context,
	factoryTest != SystemServer.FACTORY_TEST_OFF);

	ActivityManagerService.setSystemProcess();

	mContentResolver = context.getContentResolver();

	Log.i(TAG, "Starting Content Manager.");
	ContentService.main(context,
	factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL);

	Log.i(TAG, "Starting System Content Providers.");
	ActivityManagerService.installSystemProviders();

	Log.i(TAG, "Starting Battery Service.");
	BatteryService battery = new BatteryService(context);
	ServiceManager.addService("battery", battery);

	// only initialize the power service after we have started the
	// content providers and the batter service.
	power.init(context, ActivityManagerService.getDefault(), battery);

	Log.i(TAG, "Starting Alarm Manager.");
	AlarmManagerService alarm = new AlarmManagerService(context);
	ServiceManager.addService(Context.ALARM_SERVICE, alarm);

	Watchdog.getInstance().init(context, battery, power, alarm,
	ActivityManagerService.self());

	// Sensor Service is needed by Window Manager, so this goes first
	Log.i(TAG, "Starting Sensor Service.");
	ServiceManager.addService(Context.SENSOR_SERVICE, new SensorService(context));

	Log.i(TAG, "Starting Window Manager.");
	wm = WindowManagerService.main(context, power,
	factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL);
	ServiceManager.addService(Context.WINDOW_SERVICE, wm);

	((ActivityManagerService)ServiceManager.getService("activity"))
	.setWindowManager(wm);

	// Skip Bluetooth if we have an emulator kernel
	// TODO: Use a more reliable check to see if this product should
	// support Bluetooth - see bug 988521
	if (SystemProperties.get("ro.kernel.qemu").equals("1")) {
	Log.i(TAG, "Registering null Bluetooth Service (emulator)");
	ServiceManager.addService(Context.BLUETOOTH_SERVICE, null);
	} else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) {
	Log.i(TAG, "Registering null Bluetooth Service (factory test)");
	ServiceManager.addService(Context.BLUETOOTH_SERVICE, null);
	} else {
	Log.i(TAG, "Starting Bluetooth Service.");
	bluetooth = new BluetoothDeviceService(context);
	bluetooth.init();
	ServiceManager.addService(Context.BLUETOOTH_SERVICE, bluetooth);
	bluetoothA2dp = new BluetoothA2dpService(context);
	ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE,
	bluetoothA2dp);

	int bluetoothOn = Settings.Secure.getInt(mContentResolver,
	Settings.Secure.BLUETOOTH_ON, 0);
	if (bluetoothOn > 0) {
	bluetooth.enable(null);
	}
	}

	} catch (RuntimeException e) {
	Log.e("System", "Failure starting core service", e);
	}

	StatusBarService statusBar = null;
	InputMethodManagerService imm = null;

	if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
	try {
	Log.i(TAG, "Starting Status Bar Service.");
	statusBar = new StatusBarService(context);
	ServiceManager.addService("statusbar", statusBar);
	com.android.server.status.StatusBarPolicy.installIcons(context, statusBar);
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting StatusBarService", e);
	}

	try {
	Log.i(TAG, "Starting Clipboard Service.");
	ServiceManager.addService("clipboard", new ClipboardService(context));
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting Clipboard Service", e);
	}

	try {
	Log.i(TAG, "Starting Input Method Service.");
	imm = new InputMethodManagerService(context, statusBar);
	ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm);
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting Input Manager Service", e);
	}

	try {
	Log.i(TAG, "Starting Hardware Service.");
	ServiceManager.addService("hardware", new HardwareService(context));
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting Hardware Service", e);
	}

	try {
	Log.i(TAG, "Starting NetStat Service.");
	ServiceManager.addService("netstat", new NetStatService(context));
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting NetStat Service", e);
	}

	try {
	Log.i(TAG, "Starting Connectivity Service.");
	ServiceManager.addService(Context.CONNECTIVITY_SERVICE,
	ConnectivityService.getInstance(context));
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting Connectivity Service", e);
	}

	try {
	Log.i(TAG, "Starting Notification Manager.");
	ServiceManager.addService(Context.NOTIFICATION_SERVICE,
	new NotificationManagerService(context, statusBar));
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting Notification Manager", e);
	}

	try {
	// MountService must start after NotificationManagerService
	Log.i(TAG, "Starting Mount Service.");
	ServiceManager.addService("mount", new MountService(context));
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting Mount Service", e);
	}

	try {
	Log.i(TAG, "Starting DeviceStorageMonitor service");
	ServiceManager.addService(DeviceStorageMonitorService.SERVICE,
	new DeviceStorageMonitorService(context));
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting DeviceStorageMonitor service", e);
	}

	try {
	Log.i(TAG, "Starting Location Manager.");
	ServiceManager.addService(Context.LOCATION_SERVICE, new LocationManagerService(context));
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting Location Manager", e);
	}

	try {
	Log.i(TAG, "Starting Search Service.");
	ServiceManager.addService( Context.SEARCH_SERVICE, new SearchManagerService(context) );
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting Search Service", e);
	}

	if (INCLUDE_DEMO) {
	Log.i(TAG, "Installing demo data...");
	(new DemoThread(context)).start();
	}

	try {
	Log.i(TAG, "Starting Checkin Service");
	addService(context, "checkin", "com.google.android.server.checkin.CheckinService",
	FallbackCheckinService.class);
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting Checkin Service", e);
	}

	try {
	Log.i(TAG, "Starting Wallpaper Service");
	ServiceManager.addService(Context.WALLPAPER_SERVICE, new WallpaperService(context));
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting Wallpaper Service", e);
	}

	try {
	Log.i(TAG, "Starting Audio Service");
	ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context));
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting Volume Service", e);
	}

	try {
	Log.i(TAG, "Starting HeadsetObserver");
	// Listen for wired headset changes
	headset = new HeadsetObserver(context);
	} catch (Throwable e) {
	Log.e(TAG, "Failure starting HeadsetObserver", e);
	}
	}

	// make sure the ADB_ENABLED setting value matches the secure property value
	Settings.Secure.putInt(mContentResolver, Settings.Secure.ADB_ENABLED,
	"1".equals(SystemProperties.get("persist.service.adb.enable")) ? 1 : 0);

	// register observer to listen for settings changes
	mContentResolver.registerContentObserver(Settings.Secure.getUriFor(Settings.Secure.ADB_ENABLED),
	false, new AdbSettingsObserver());

	// It is now time to start up the app processes...
	if (statusBar != null) {
	statusBar.systemReady();
	}
	if (imm != null) {
	imm.systemReady();
	}
	wm.systemReady();
	power.systemReady();
	try {
	pm.systemReady();
	} catch (RemoteException e) {
	}

	// After making the following code, third party code may be running...
	try {
	ActivityManagerNative.getDefault().systemReady();
	} catch (RemoteException e) {
	}

	Watchdog.getInstance().start();

	Looper.loop();
	Log.d(TAG, "System ServerThread is exiting!");
	}

	private void addService(Context context, String name, String serviceClass,
	Class<? extends IBinder> fallback) {

	final IBinder service = findService(context, serviceClass, fallback);
	if (service != null) {
	ServiceManager.addService(name, service);
	} else {
	Log.e(TAG, "Failure starting service '" + name + "' with class " + serviceClass);
	}
	}

	private IBinder findService(Context context, String serviceClass,
	Class<? extends IBinder> fallback) {

	IBinder service = null;
	try {
	Class<?> klass = Class.forName(serviceClass);
	Constructor<?> c = klass.getConstructor(Context.class);
	service = (IBinder) c.newInstance(context);
	} catch (ClassNotFoundException e) {
	// Ignore
	} catch (IllegalAccessException e) {
	// Ignore
	} catch (NoSuchMethodException e) {
	// Ignore
	} catch (InvocationTargetException e) {
	// Ignore
	} catch (InstantiationException e) {
	// Ignore
	}

	if (service == null && fallback != null) {
	Log.w(TAG, "Could not find " + serviceClass + ", trying fallback");
	try {
	service = fallback.newInstance();
	} catch (IllegalAccessException e) {
	// Ignore
	} catch (InstantiationException e) {
	// Ignore
	}
	}

	return service;
	}
	}

	class DemoThread extends Thread
	{
	DemoThread(Context context)
	{
	mContext = context;
	}

	@Override
	public void run()
	{
	try {
	Cursor c = mContext.getContentResolver().query(People.CONTENT_URI, null, null, null, null);
	boolean hasData = c != null && c.moveToFirst();
	if (c != null) {
	c.deactivate();
	}
	if (!hasData) {
	DemoDataSet dataset = new DemoDataSet();
	dataset.add(mContext);
	}
	} catch (Throwable e) {
	Log.e("SystemServer", "Failure installing demo data", e);
	}

	}

	Context mContext;
	}

	public class SystemServer
	{
	private static final String TAG = "SystemServer";

	public static final int FACTORY_TEST_OFF = 0;
	public static final int FACTORY_TEST_LOW_LEVEL = 1;
	public static final int FACTORY_TEST_HIGH_LEVEL = 2;

	/**
	* This method is called from Zygote to initialize the system. This will cause the native
	* services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back
	* up into init2() to start the Android services.
	*/
	native public static void init1(String[] args);

	public static void main(String[] args) {
	// The system server has to run all of the time, so it needs to be
	// as efficient as possible with its memory usage.
	VMRuntime.getRuntime().setTargetHeapUtilization(0.8f);

	System.loadLibrary("android_servers");
	init1(args);
	}

	public static final void init2() {
	Log.i(TAG, "Entered the Android system server!");
	Thread thr = new ServerThread();
	thr.setName("android.server.ServerThread");
	thr.start();
	}
	}