am f5569413: docs: Fix broken link in Common Intents

* commit 'f556941357ea391cae6dcd2e22b71a837a216d06':
  docs: Fix broken link in Common Intents
diff --git a/core/java/android/os/storage/IMountService.java b/core/java/android/os/storage/IMountService.java
index cf407f4..116110e 100644
--- a/core/java/android/os/storage/IMountService.java
+++ b/core/java/android/os/storage/IMountService.java
@@ -856,6 +856,38 @@
                 }
                 return _result;
             }
+
+            @Override
+            public long lastMaintenance() throws RemoteException {
+                Parcel _data = Parcel.obtain();
+                Parcel _reply = Parcel.obtain();
+                long _result;
+                try {
+                    _data.writeInterfaceToken(DESCRIPTOR);
+                    mRemote.transact(Stub.TRANSACTION_lastMaintenance, _data, _reply, 0);
+                    _reply.readException();
+                    _result = _reply.readLong();
+                } finally {
+                    _reply.recycle();
+                    _data.recycle();
+                }
+                return _result;
+            }
+
+            @Override
+            public void runMaintenance() throws RemoteException {
+                Parcel _data = Parcel.obtain();
+                Parcel _reply = Parcel.obtain();
+                try {
+                    _data.writeInterfaceToken(DESCRIPTOR);
+                    mRemote.transact(Stub.TRANSACTION_runMaintenance, _data, _reply, 0);
+                    _reply.readException();
+                } finally {
+                    _reply.recycle();
+                    _data.recycle();
+                }
+                return;
+            }
         }
 
         private static final String DESCRIPTOR = "IMountService";
@@ -942,6 +974,10 @@
 
         static final int TRANSACTION_resizeSecureContainer = IBinder.FIRST_CALL_TRANSACTION + 40;
 
+        static final int TRANSACTION_lastMaintenance = IBinder.FIRST_CALL_TRANSACTION + 41;
+
+        static final int TRANSACTION_runMaintenance = IBinder.FIRST_CALL_TRANSACTION + 42;
+
         /**
          * Cast an IBinder object into an IMountService interface, generating a
          * proxy if needed.
@@ -1347,6 +1383,19 @@
                     reply.writeInt(resultCode);
                     return true;
                 }
+                case TRANSACTION_lastMaintenance: {
+                    data.enforceInterface(DESCRIPTOR);
+                    long lastMaintenance = lastMaintenance();
+                    reply.writeNoException();
+                    reply.writeLong(lastMaintenance);
+                    return true;
+                }
+                case TRANSACTION_runMaintenance: {
+                    data.enforceInterface(DESCRIPTOR);
+                    runMaintenance();
+                    reply.writeNoException();
+                    return true;
+                }
             }
             return super.onTransact(code, data, reply, flags);
         }
@@ -1617,4 +1666,18 @@
     public String getField(String field) throws RemoteException;
 
     public int resizeSecureContainer(String id, int sizeMb, String key) throws RemoteException;
+
+    /**
+     * Report the time of the last maintenance operation such as fstrim.
+     * @return Timestamp of the last maintenance operation, in the
+     *     System.currentTimeMillis() time base
+     * @throws RemoteException
+     */
+    public long lastMaintenance() throws RemoteException;
+
+    /**
+     * Kick off an immediate maintenance operation
+     * @throws RemoteException
+     */
+    public void runMaintenance() throws RemoteException;
 }
diff --git a/core/java/android/preference/Preference.java b/core/java/android/preference/Preference.java
index 56d5617..0224c73 100644
--- a/core/java/android/preference/Preference.java
+++ b/core/java/android/preference/Preference.java
@@ -215,7 +215,7 @@
 
         final TypedArray a = context.obtainStyledAttributes(
                 attrs, com.android.internal.R.styleable.Preference, defStyleAttr, defStyleRes);
-        for (int i = a.getIndexCount(); i >= 0; i--) {
+        for (int i = a.getIndexCount() - 1; i >= 0; i--) {
             int attr = a.getIndex(i); 
             switch (attr) {
                 case com.android.internal.R.styleable.Preference_icon:
diff --git a/core/java/android/preference/PreferenceManager.java b/core/java/android/preference/PreferenceManager.java
index ad940c6..0a0e625 100644
--- a/core/java/android/preference/PreferenceManager.java
+++ b/core/java/android/preference/PreferenceManager.java
@@ -156,7 +156,7 @@
      * should be used ANY time a preference will be displayed, since some preference
      * types need an Activity for managed queries.
      */
-    private PreferenceManager(Context context) {
+    /*package*/ PreferenceManager(Context context) {
         init(context);
     }
 
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 79e84d9..73c7cc3 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -5544,6 +5544,13 @@
        public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
 
        /**
+        * Time since last fstrim (milliseconds) after which we force one to happen
+        * during device startup.  If unset, the default is 3 days.
+        * @hide
+        */
+       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
+
+       /**
         * The interval in milliseconds at which to check packet counts on the
         * mobile data interface when screen is on, to detect possible data
         * connection problems.
diff --git a/core/java/android/widget/TimePickerSpinnerDelegate.java b/core/java/android/widget/TimePickerSpinnerDelegate.java
index 73e05e8..61d3d0f 100644
--- a/core/java/android/widget/TimePickerSpinnerDelegate.java
+++ b/core/java/android/widget/TimePickerSpinnerDelegate.java
@@ -61,6 +61,8 @@
     // Also NOT a real index, just used for keyboard mode.
     private static final int ENABLE_PICKER_INDEX = 3;
 
+    // LayoutLib relies on these constants. Change TimePickerSpinnerDelegate_Delegate if
+    // modifying these.
     private static final int AM = 0;
     private static final int PM = 1;
 
diff --git a/core/res/res/values-mcc204-mnc04/config.xml b/core/res/res/values-mcc204-mnc04/config.xml
index 3c03814..c9c96de 100644
--- a/core/res/res/values-mcc204-mnc04/config.xml
+++ b/core/res/res/values-mcc204-mnc04/config.xml
@@ -31,4 +31,9 @@
         <item>"*611:+19085594899,BAE0000000000000"</item>
         <item>"*86:+1MDN,BAE0000000000000"</item>
     </string-array>
+
+    <string-array translatable="false" name="config_sms_convert_destination_number_support">
+        <item>true;BAE0000000000000</item>
+        <item>false</item>
+    </string-array>
 </resources>
diff --git a/core/res/res/values-mcc310-mnc004/config.xml b/core/res/res/values-mcc310-mnc004/config.xml
index 423e250..6a34a3d 100644
--- a/core/res/res/values-mcc310-mnc004/config.xml
+++ b/core/res/res/values-mcc310-mnc004/config.xml
@@ -34,4 +34,9 @@
     </string-array>
 
     <bool name="config_auto_attach_data_on_creation">false</bool>
+
+    <string-array translatable="false" name="config_sms_convert_destination_number_support">
+        <item>true</item>
+    </string-array>
+
 </resources>
diff --git a/core/res/res/values-mcc311-mnc480/config.xml b/core/res/res/values-mcc311-mnc480/config.xml
index c2be340..379e129 100644
--- a/core/res/res/values-mcc311-mnc480/config.xml
+++ b/core/res/res/values-mcc311-mnc480/config.xml
@@ -49,4 +49,9 @@
         <item>"*611:+19085594899,"</item>
         <item>"*86:+1MDN,"</item>
     </string-array>
+
+    <string-array translatable="false" name="config_sms_convert_destination_number_support">
+        <item>true</item>
+    </string-array>
+
 </resources>
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 1ea37f0..8006659 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -1853,4 +1853,20 @@
     <bool name="config_switch_phone_on_voice_reg_state_change">true</bool>
 
     <bool name="config_sms_force_7bit_encoding">false</bool>
+
+    <!-- This config is used to check if the carrier requires converting destination
+         number before sending out a SMS.
+         Formats for this configuration as below:
+         [true or false][;optional gid]
+         The logic to pick up the configuration:
+         (1) If the "config_sms_convert_destination_number_support" array has no gid
+             special item, the last one will be picked
+         (2) If the "config_sms_convert_destination_number_support" array has gid special
+             item and it matches the current sim's gid, it will be picked.
+         (3) If the "config_sms_convert_destination_number_support" array has gid special
+             item but it doesn't match the current sim's gid, the last one without gid
+             will be picked -->
+    <string-array translatable="false" name="config_sms_convert_destination_number_support">
+        <item>false</item>
+    </string-array>
 </resources>
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index c156887..ab97e17 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -3508,6 +3508,9 @@
     <!-- [CHAR LIMIT=40] Title of dialog that is shown when performing a system upgrade. -->
     <string name="android_upgrading_title">Android is upgrading\u2026</string>
 
+    <!-- [CHAR LIMIT=NONE] Message shown in upgrading dialog when doing an fstrim. -->
+    <string name="android_upgrading_fstrim">Optimizing storage.</string>
+
     <!-- [CHAR LIMIT=NONE] Message shown in upgrading dialog for each .apk that is optimized. -->
     <string name="android_upgrading_apk">Optimizing app
         <xliff:g id="number" example="123">%1$d</xliff:g> of
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 2a9e1d1..3078722 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1644,6 +1644,7 @@
   <java-symbol type="string" name="aerr_application" />
   <java-symbol type="string" name="aerr_process" />
   <java-symbol type="string" name="aerr_title" />
+  <java-symbol type="string" name="android_upgrading_fstrim" />
   <java-symbol type="string" name="android_upgrading_apk" />
   <java-symbol type="string" name="android_upgrading_complete" />
   <java-symbol type="string" name="android_upgrading_starting_apps" />
@@ -2072,4 +2073,5 @@
   <java-symbol type="bool" name="config_switch_phone_on_voice_reg_state_change" />
   <java-symbol type="string" name="whichHomeApplicationNamed" />
   <java-symbol type="bool" name="config_sms_force_7bit_encoding" />
+  <java-symbol type="array" name="config_sms_convert_destination_number_support" />
 </resources>
diff --git a/services/core/java/com/android/server/AlarmManagerService.java b/services/core/java/com/android/server/AlarmManagerService.java
index 8b524dd..554393af 100644
--- a/services/core/java/com/android/server/AlarmManagerService.java
+++ b/services/core/java/com/android/server/AlarmManagerService.java
@@ -787,7 +787,7 @@
             }
 
             setImpl(type, triggerAtTime, windowLength, interval, operation,
-                    false, workSource, alarmClock);
+                    windowLength == AlarmManager.WINDOW_EXACT, workSource, alarmClock);
         }
 
         @Override
@@ -1425,12 +1425,9 @@
                             maxTriggerTime(nowELAPSED, nextElapsed, alarm.repeatInterval),
                             alarm.repeatInterval, alarm.operation, batch.standalone, true,
                             alarm.workSource, alarm.alarmClock, alarm.userId);
+                }
 
-                    // For now we count this as a wakeup alarm, meaning it needs to be
-                    // delivered immediately.  In the future we should change this, but
-                    // that required delaying when we reschedule the repeat...!
-                    hasWakeup = false;
-                } else if (alarm.wakeup) {
+                if (alarm.wakeup) {
                     hasWakeup = true;
                 }
 
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 6a6dcaf..b4a248f 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -2532,7 +2532,7 @@
             String exclList = "";
             String pacFileUrl = "";
             if (proxyProperties != null && (!TextUtils.isEmpty(proxyProperties.getHost()) ||
-                    (proxyProperties.getPacFileUrl() != null))) {
+                    !Uri.EMPTY.equals(proxyProperties.getPacFileUrl()))) {
                 if (!proxyProperties.isValid()) {
                     if (DBG)
                         log("Invalid proxy properties, ignoring: " + proxyProperties.toString());
@@ -2542,7 +2542,7 @@
                 host = mGlobalProxy.getHost();
                 port = mGlobalProxy.getPort();
                 exclList = mGlobalProxy.getExclusionListAsString();
-                if (proxyProperties.getPacFileUrl() != null) {
+                if (!Uri.EMPTY.equals(proxyProperties.getPacFileUrl())) {
                     pacFileUrl = proxyProperties.getPacFileUrl().toString();
                 }
             } else {
@@ -2604,7 +2604,7 @@
 
     private void handleApplyDefaultProxy(ProxyInfo proxy) {
         if (proxy != null && TextUtils.isEmpty(proxy.getHost())
-                && (proxy.getPacFileUrl() == null)) {
+                && Uri.EMPTY.equals(proxy.getPacFileUrl())) {
             proxy = null;
         }
         synchronized (mProxyLock) {
@@ -2620,7 +2620,8 @@
             // global (to get the correct local port), and send a broadcast.
             // TODO: Switch PacManager to have its own message to send back rather than
             // reusing EVENT_HAS_CHANGED_PROXY and this call to handleApplyDefaultProxy.
-            if ((mGlobalProxy != null) && (proxy != null) && (proxy.getPacFileUrl() != null)
+            if ((mGlobalProxy != null) && (proxy != null)
+                    && (!Uri.EMPTY.equals(proxy.getPacFileUrl()))
                     && proxy.getPacFileUrl().equals(mGlobalProxy.getPacFileUrl())) {
                 mGlobalProxy = proxy;
                 sendProxyBroadcast(mGlobalProxy);
diff --git a/services/core/java/com/android/server/MountService.java b/services/core/java/com/android/server/MountService.java
index e400fb6..6c981c0 100644
--- a/services/core/java/com/android/server/MountService.java
+++ b/services/core/java/com/android/server/MountService.java
@@ -83,6 +83,7 @@
 
 import java.io.File;
 import java.io.FileDescriptor;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.math.BigInteger;
@@ -90,7 +91,9 @@
 import java.security.NoSuchAlgorithmException;
 import java.security.spec.InvalidKeySpecException;
 import java.security.spec.KeySpec;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
@@ -359,6 +362,11 @@
     // Used in the ObbActionHandler
     private IMediaContainerService mContainerService = null;
 
+    // Last fstrim operation tracking
+    private static final String LAST_FSTRIM_FILE = "last-fstrim";
+    private final File mLastMaintenanceFile;
+    private long mLastMaintenance;
+
     // Handler messages
     private static final int H_UNMOUNT_PM_UPDATE = 1;
     private static final int H_UNMOUNT_PM_DONE = 2;
@@ -536,6 +544,15 @@
                 case H_FSTRIM: {
                     waitForReady();
                     Slog.i(TAG, "Running fstrim idle maintenance");
+
+                    // Remember when we kicked it off
+                    try {
+                        mLastMaintenance = System.currentTimeMillis();
+                        mLastMaintenanceFile.setLastModified(mLastMaintenance);
+                    } catch (Exception e) {
+                        Slog.e(TAG, "Unable to record last fstrim!");
+                    }
+
                     try {
                         // This method must be run on the main (handler) thread,
                         // so it is safe to directly call into vold.
@@ -544,6 +561,7 @@
                     } catch (NativeDaemonConnectorException ndce) {
                         Slog.e(TAG, "Failed to run fstrim!");
                     }
+
                     // invoke the completion callback, if any
                     Runnable callback = (Runnable) msg.obj;
                     if (callback != null) {
@@ -699,6 +717,18 @@
         mHandler.sendMessage(mHandler.obtainMessage(H_FSTRIM, callback));
     }
 
+    // Binder entry point for kicking off an immediate fstrim
+    @Override
+    public void runMaintenance() {
+        validatePermission(android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS);
+        runIdleMaintenance(null);
+    }
+
+    @Override
+    public long lastMaintenance() {
+        return mLastMaintenance;
+    }
+
     private void doShareUnshareVolume(String path, String method, boolean enable) {
         // TODO: Add support for multiple share methods
         if (!method.equals("ums")) {
@@ -1477,6 +1507,22 @@
         // Add OBB Action Handler to MountService thread.
         mObbActionHandler = new ObbActionHandler(IoThread.get().getLooper());
 
+        // Initialize the last-fstrim tracking if necessary
+        File dataDir = Environment.getDataDirectory();
+        File systemDir = new File(dataDir, "system");
+        mLastMaintenanceFile = new File(systemDir, LAST_FSTRIM_FILE);
+        if (!mLastMaintenanceFile.exists()) {
+            // Not setting mLastMaintenance here means that we will force an
+            // fstrim during reboot following the OTA that installs this code.
+            try {
+                (new FileOutputStream(mLastMaintenanceFile)).close();
+            } catch (IOException e) {
+                Slog.e(TAG, "Unable to create fstrim record " + mLastMaintenanceFile.getPath());
+            }
+        } else {
+            mLastMaintenance = mLastMaintenanceFile.lastModified();
+        }
+
         /*
          * Create the connection to vold with a maximum queue of twice the
          * amount of containers we'd ever expect to have. This keeps an
@@ -3075,6 +3121,12 @@
         pw.increaseIndent();
         mConnector.dump(fd, pw, args);
         pw.decreaseIndent();
+
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+
+        pw.println();
+        pw.print("Last maintenance: ");
+        pw.println(sdf.format(new Date(mLastMaintenance)));
     }
 
     /** {@inheritDoc} */
diff --git a/services/core/java/com/android/server/net/IpConfigStore.java b/services/core/java/com/android/server/net/IpConfigStore.java
index 857b9e9..b5a450d 100644
--- a/services/core/java/com/android/server/net/IpConfigStore.java
+++ b/services/core/java/com/android/server/net/IpConfigStore.java
@@ -122,8 +122,10 @@
                     out.writeUTF(proxyProperties.getHost());
                     out.writeUTF(PROXY_PORT_KEY);
                     out.writeInt(proxyProperties.getPort());
-                    out.writeUTF(EXCLUSION_LIST_KEY);
-                    out.writeUTF(exclusionList);
+                    if (exclusionList != null) {
+                        out.writeUTF(EXCLUSION_LIST_KEY);
+                        out.writeUTF(exclusionList);
+                    }
                     written = true;
                     break;
                 case PAC:
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 3e1647e..73ceea3 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -138,6 +138,7 @@
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.Environment.UserEnvironment;
+import android.os.storage.IMountService;
 import android.os.storage.StorageManager;
 import android.os.Debug;
 import android.os.FileUtils;
@@ -161,6 +162,7 @@
 import android.system.Os;
 import android.system.StructStat;
 import android.text.TextUtils;
+import android.text.format.DateUtils;
 import android.util.ArraySet;
 import android.util.AtomicFile;
 import android.util.DisplayMetrics;
@@ -280,6 +282,18 @@
     private static final long WATCHDOG_TIMEOUT = 1000*60*10;     // ten minutes
 
     /**
+     * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim
+     * be run on this device.  We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL
+     * settings entry if available, otherwise we use the hardcoded default.  If it's been
+     * more than this long since the last fstrim, we force one during the boot sequence.
+     *
+     * This backstops other fstrim scheduling:  if the device is alive at midnight+idle,
+     * one gets run at the next available charging+idle time.  This final mandatory
+     * no-fstrim check kicks in only of the other scheduling criteria is never met.
+     */
+    private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS;
+
+    /**
      * Whether verification is enabled by default.
      */
     private static final boolean DEFAULT_VERIFY_ENABLE = true;
@@ -4506,6 +4520,37 @@
     public void performBootDexOpt() {
         enforceSystemOrRoot("Only the system can request dexopt be performed");
 
+        // Before everything else, see whether we need to fstrim.
+        try {
+            IMountService ms = PackageHelper.getMountService();
+            if (ms != null) {
+                final long interval = android.provider.Settings.Global.getLong(
+                        mContext.getContentResolver(),
+                        android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL,
+                        DEFAULT_MANDATORY_FSTRIM_INTERVAL);
+                if (interval > 0) {
+                    final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance();
+                    if (timeSinceLast > interval) {
+                        Slog.w(TAG, "No disk maintenance in " + timeSinceLast
+                                + "; running immediately");
+                        if (!isFirstBoot()) {
+                            try {
+                                ActivityManagerNative.getDefault().showBootMessage(
+                                        mContext.getResources().getString(
+                                                R.string.android_upgrading_fstrim), true);
+                            } catch (RemoteException e) {
+                            }
+                        }
+                        ms.runMaintenance();
+                    }
+                }
+            } else {
+                Slog.e(TAG, "Mount service unavailable!");
+            }
+        } catch (RemoteException e) {
+            // Can't happen; MountService is local
+        }
+
         final HashSet<PackageParser.Package> pkgs;
         synchronized (mPackages) {
             pkgs = mDeferredDexOpt;
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 92ad1ad..22f6ca4 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -546,20 +546,6 @@
             reportWtf("making display ready", e);
         }
 
-        try {
-            mPackageManagerService.performBootDexOpt();
-        } catch (Throwable e) {
-            reportWtf("performing boot dexopt", e);
-        }
-
-        try {
-            ActivityManagerNative.getDefault().showBootMessage(
-                    context.getResources().getText(
-                            com.android.internal.R.string.android_upgrading_starting_apps),
-                    false);
-        } catch (RemoteException e) {
-        }
-
         if (mFactoryTestMode != FactoryTest.FACTORY_TEST_LOW_LEVEL) {
             if (!disableStorage &&
                 !"0".equals(SystemProperties.get("system_init.startmountservice"))) {
@@ -575,7 +561,23 @@
                     reportWtf("starting Mount Service", e);
                 }
             }
+        }
 
+        try {
+            mPackageManagerService.performBootDexOpt();
+        } catch (Throwable e) {
+            reportWtf("performing boot dexopt", e);
+        }
+
+        try {
+            ActivityManagerNative.getDefault().showBootMessage(
+                    context.getResources().getText(
+                            com.android.internal.R.string.android_upgrading_starting_apps),
+                    false);
+        } catch (RemoteException e) {
+        }
+
+        if (mFactoryTestMode != FactoryTest.FACTORY_TEST_LOW_LEVEL) {
             if (!disableNonCoreServices) {
                 try {
                     Slog.i(TAG,  "LockSettingsService");
diff --git a/services/usb/java/com/android/server/usb/UsbDeviceManager.java b/services/usb/java/com/android/server/usb/UsbDeviceManager.java
index c63eb18..23ba3b6 100644
--- a/services/usb/java/com/android/server/usb/UsbDeviceManager.java
+++ b/services/usb/java/com/android/server/usb/UsbDeviceManager.java
@@ -209,8 +209,13 @@
         mUseUsbNotification = !massStorageSupported;
 
         // make sure the ADB_ENABLED setting value matches the current state
-        Settings.Global.putInt(mContentResolver, Settings.Global.ADB_ENABLED, mAdbEnabled ? 1 : 0);
-
+        try {
+            Settings.Global.putInt(mContentResolver,
+                    Settings.Global.ADB_ENABLED, mAdbEnabled ? 1 : 0);
+        } catch (SecurityException e) {
+            // If UserManager.DISALLOW_DEBUGGING_FEATURES is on, that this setting can't be changed.
+            Slog.d(TAG, "ADB_ENABLED is restricted.");
+        }
         mHandler.sendEmptyMessage(MSG_SYSTEM_READY);
     }
 
diff --git a/tools/layoutlib/.idea/codeStyleSettings.xml b/tools/layoutlib/.idea/codeStyleSettings.xml
index b324213..a04e440 100644
--- a/tools/layoutlib/.idea/codeStyleSettings.xml
+++ b/tools/layoutlib/.idea/codeStyleSettings.xml
@@ -67,9 +67,13 @@
             </groups>
           </arrangement>
         </codeStyleSettings>
+        <codeStyleSettings language="XML">
+          <indentOptions>
+            <option name="CONTINUATION_INDENT_SIZE" value="4" />
+          </indentOptions>
+        </codeStyleSettings>
       </value>
     </option>
     <option name="USE_PER_PROJECT_SETTINGS" value="true" />
   </component>
-</project>
-
+</project>
\ No newline at end of file
diff --git a/tools/layoutlib/bridge/src/android/content/res/BridgeAssetManager.java b/tools/layoutlib/bridge/src/android/content/res/BridgeAssetManager.java
index 93814b2..c41a4ee 100644
--- a/tools/layoutlib/bridge/src/android/content/res/BridgeAssetManager.java
+++ b/tools/layoutlib/bridge/src/android/content/res/BridgeAssetManager.java
@@ -23,7 +23,7 @@
 public class BridgeAssetManager extends AssetManager {
 
     /**
-     * This initializes the static field {@link AssetManager#mSystem} which is used
+     * This initializes the static field {@link AssetManager#sSystem} which is used
      * by methods who get a global asset manager using {@link AssetManager#getSystem()}.
      * <p/>
      * They will end up using our bridge asset manager.
diff --git a/tools/layoutlib/bridge/src/android/graphics/FontFamily_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/FontFamily_Delegate.java
index 4993262..ab79664 100644
--- a/tools/layoutlib/bridge/src/android/graphics/FontFamily_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/FontFamily_Delegate.java
@@ -282,7 +282,7 @@
     @LayoutlibDelegate
     /*package*/ static boolean nAddFontFromAsset(long nativeFamily, AssetManager mgr, String path) {
         Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
-                "FontFamily.addFontFromAsset is not supported.", null, null);
+                "Typeface.createFromAsset is not supported.", null, null);
         return false;
     }
 
diff --git a/tools/layoutlib/bridge/src/android/preference/BridgePreferenceInflater.java b/tools/layoutlib/bridge/src/android/preference/BridgePreferenceInflater.java
new file mode 100644
index 0000000..4f00b5d
--- /dev/null
+++ b/tools/layoutlib/bridge/src/android/preference/BridgePreferenceInflater.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2014 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 android.preference;
+
+import com.android.layoutlib.bridge.android.BridgeContext;
+import com.android.layoutlib.bridge.android.BridgeXmlBlockParser;
+
+import android.content.Context;
+import android.util.AttributeSet;
+
+public class BridgePreferenceInflater extends PreferenceInflater {
+
+    public BridgePreferenceInflater(Context context, PreferenceManager preferenceManager) {
+        super(context, preferenceManager);
+    }
+
+    @Override
+    protected Preference onCreateItem(String name, AttributeSet attrs)
+            throws ClassNotFoundException {
+        Object viewKey = null;
+        BridgeContext bc = null;
+
+        Context context = getContext();
+        if (context instanceof BridgeContext) {
+            bc = (BridgeContext) context;
+        }
+        if (attrs instanceof BridgeXmlBlockParser) {
+            viewKey = ((BridgeXmlBlockParser) attrs).getViewCookie();
+        }
+
+        Preference preference = super.onCreateItem(name, attrs);
+
+        if (viewKey != null && bc != null) {
+            bc.addCookie(preference, viewKey);
+        }
+        return preference;
+    }
+}
diff --git a/tools/layoutlib/bridge/src/android/preference/Preference_Delegate.java b/tools/layoutlib/bridge/src/android/preference/Preference_Delegate.java
new file mode 100644
index 0000000..49ee642
--- /dev/null
+++ b/tools/layoutlib/bridge/src/android/preference/Preference_Delegate.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2014 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 android.preference;
+
+import com.android.internal.R;
+import com.android.layoutlib.bridge.android.BridgeContext;
+import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
+
+import org.xmlpull.v1.XmlPullParser;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ListView;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Delegate that provides implementation for native methods in {@link Preference}
+ * <p/>
+ * Through the layoutlib_create tool, selected methods of Preference have been replaced by calls to
+ * methods of the same name in this delegate class.
+ */
+public class Preference_Delegate {
+
+    @LayoutlibDelegate
+    /*package*/ static View getView(Preference pref, View convertView, ViewGroup parent) {
+        Context context = pref.getContext();
+        BridgeContext bc = context instanceof BridgeContext ? ((BridgeContext) context) : null;
+        convertView = pref.getView_Original(convertView, parent);
+        if (bc != null) {
+            Object cookie = bc.getCookie(pref);
+            if (cookie != null) {
+                bc.addViewKey(convertView, cookie);
+            }
+        }
+        return convertView;
+    }
+
+    /**
+     * Inflates the parser and returns the ListView containing the Preferences.
+     */
+    public static View inflatePreference(Context context, XmlPullParser parser, ViewGroup root) {
+        PreferenceManager pm = new PreferenceManager(context);
+        PreferenceScreen ps = pm.getPreferenceScreen();
+        PreferenceInflater inflater = new BridgePreferenceInflater(context, pm);
+        ps = (PreferenceScreen) inflater.inflate(parser, ps, true);
+        ListView preferenceView = createContainerView(context, root);
+        ps.bind(preferenceView);
+        return preferenceView;
+    }
+
+    private static ListView createContainerView(Context context, ViewGroup root) {
+        TypedArray a = context.obtainStyledAttributes(null, R.styleable.PreferenceFragment,
+                R.attr.preferenceFragmentStyle, 0);
+        int mLayoutResId = a.getResourceId(R.styleable.PreferenceFragment_layout,
+                        R.layout.preference_list_fragment);
+        a.recycle();
+
+        LayoutInflater inflater =
+                (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        inflater.inflate(mLayoutResId, root, true);
+
+        return (ListView) root.findViewById(android.R.id.list);
+    }
+}
diff --git a/tools/layoutlib/bridge/src/android/text/StaticLayout_Delegate.java b/tools/layoutlib/bridge/src/android/text/StaticLayout_Delegate.java
index 5a467b2..b0d79a8 100644
--- a/tools/layoutlib/bridge/src/android/text/StaticLayout_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/text/StaticLayout_Delegate.java
@@ -13,8 +13,8 @@
 
 /**
  * Delegate that provides implementation for native methods in {@link android.text.StaticLayout}
- *
- * Through the layoutlib_create tool, selected methods of Handler have been replaced
+ * <p/>
+ * Through the layoutlib_create tool, selected methods of StaticLayout have been replaced
  * by calls to methods of the same name in this delegate class.
  *
  */
diff --git a/tools/layoutlib/bridge/src/android/text/format/Time_Delegate.java b/tools/layoutlib/bridge/src/android/text/format/Time_Delegate.java
deleted file mode 100644
index ed8498f..0000000
--- a/tools/layoutlib/bridge/src/android/text/format/Time_Delegate.java
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright (C) 2013 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 android.text.format;
-
-import java.util.Calendar;
-import java.util.TimeZone;
-import java.util.UnknownFormatConversionException;
-import java.util.regex.Pattern;
-
-import com.android.ide.common.rendering.api.LayoutLog;
-import com.android.layoutlib.bridge.Bridge;
-import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
-
-/**
- * Delegate used to provide new implementation for native methods of {@link Time}
- *
- * Through the layoutlib_create tool, some native methods of Time have been replaced by calls to
- * methods of the same name in this delegate class.
- */
-public class Time_Delegate {
-
-    // Regex to match odd number of '%'.
-    private static final Pattern p = Pattern.compile("(?<!%)(%%)*%(?!%)");
-
-    // Format used by toString()
-    private static final String FORMAT = "%1$tY%1$tm%1$tdT%1$tH%1$tM%1$tS<%1$tZ>";
-
-    // ---- private helper methods ----
-
-    private static Calendar timeToCalendar(Time time) {
-        Calendar calendar = getCalendarInstance(time);
-        calendar.set(time.year, time.month, time.monthDay, time.hour, time.minute, time.second);
-        return calendar;
-    }
-
-    private static void calendarToTime(Calendar c, Time time) {
-        time.timezone = c.getTimeZone().getID();
-        time.set(c.get(Calendar.SECOND), c.get(Calendar.MINUTE), c.get(Calendar.HOUR_OF_DAY),
-                c.get(Calendar.DATE), c.get(Calendar.MONTH), c.get(Calendar.YEAR));
-        time.weekDay = c.get(Calendar.DAY_OF_WEEK);
-        time.yearDay = c.get(Calendar.DAY_OF_YEAR);
-        time.isDst = c.getTimeZone().inDaylightTime(c.getTime()) ? 1 : 0;
-        // gmtoff is in seconds and TimeZone.getOffset() returns milliseconds.
-        time.gmtoff = c.getTimeZone().getOffset(c.getTimeInMillis()) / DateUtils.SECOND_IN_MILLIS;
-    }
-
-    /**
-     * Return a calendar instance with the correct timezone.
-     *
-     * @param time Time to obtain the timezone from.
-     */
-    private static Calendar getCalendarInstance(Time time) {
-        // TODO: Check platform code to make sure the behavior is same for null/invalid timezone.
-        if (time == null || time.timezone == null) {
-            // Default to local timezone.
-            return Calendar.getInstance();
-        }
-        // If timezone is invalid, use GMT.
-        return Calendar.getInstance(TimeZone.getTimeZone(time.timezone));
-    }
-}
diff --git a/tools/layoutlib/bridge/src/android/widget/TimePickerSpinnerDelegate_Delegate.java b/tools/layoutlib/bridge/src/android/widget/TimePickerSpinnerDelegate_Delegate.java
new file mode 100644
index 0000000..c9d35b9
--- /dev/null
+++ b/tools/layoutlib/bridge/src/android/widget/TimePickerSpinnerDelegate_Delegate.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2014 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 android.widget;
+
+import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
+
+import android.view.KeyEvent;
+
+/**
+ * Delegate used to provide new implementation of few methods in {@link TimePickerSpinnerDelegate}.
+ */
+public class TimePickerSpinnerDelegate_Delegate {
+
+    // Copied from TimePickerSpinnerDelegate.
+    private static final int AM = 0;
+    private static final int PM = 1;
+
+    @LayoutlibDelegate
+    static int getAmOrPmKeyCode(TimePickerSpinnerDelegate tpsd, int amOrPm) {
+        // We don't care about locales here.
+        if (amOrPm == AM) {
+            return KeyEvent.KEYCODE_A;
+        } else if (amOrPm == PM) {
+            return KeyEvent.KEYCODE_P;
+        } else {
+            assert false : "amOrPm value in TimePickerSpinnerDelegate can only be 0 or 1";
+            return -1;
+        }
+    }
+}
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java
index ec78712..4d2c2fc 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java
@@ -22,6 +22,7 @@
 import com.android.annotations.NonNull;
 import com.android.ide.common.rendering.api.Capability;
 import com.android.ide.common.rendering.api.DrawableParams;
+import com.android.ide.common.rendering.api.Features;
 import com.android.ide.common.rendering.api.LayoutLog;
 import com.android.ide.common.rendering.api.RenderSession;
 import com.android.ide.common.rendering.api.Result;
@@ -36,6 +37,7 @@
 import com.android.tools.layoutlib.create.OverrideMethod;
 import com.android.util.Pair;
 import com.ibm.icu.util.ULocale;
+import libcore.io.MemoryMappedFile_Delegate;
 
 import android.content.res.BridgeAssetManager;
 import android.graphics.Bitmap;
@@ -179,7 +181,7 @@
      */
     private static LayoutLog sCurrentLog = sDefaultLog;
 
-    private EnumSet<Capability> mCapabilities;
+    private static final int LAST_SUPPORTED_FEATURE = Features.PREFERENCES_RENDERING;
 
     @Override
     public int getApiLevel() {
@@ -187,8 +189,16 @@
     }
 
     @Override
+    @Deprecated
     public EnumSet<Capability> getCapabilities() {
-        return mCapabilities;
+        // The Capability class is deprecated and frozen. All Capabilities enumerated there are
+        // supported by this version of LayoutLibrary. So, it's safe to use EnumSet.allOf()
+        return EnumSet.allOf(Capability.class);
+    }
+
+    @Override
+    public boolean supports(int feature) {
+        return feature <= LAST_SUPPORTED_FEATURE;
     }
 
     @Override
@@ -199,26 +209,6 @@
         sPlatformProperties = platformProperties;
         sEnumValueMap = enumValueMap;
 
-        // don't use EnumSet.allOf(), because the bridge doesn't come with its specific version
-        // of layoutlib_api. It is provided by the client which could have a more recent version
-        // with newer, unsupported capabilities.
-        mCapabilities = EnumSet.of(
-                Capability.UNBOUND_RENDERING,
-                Capability.CUSTOM_BACKGROUND_COLOR,
-                Capability.RENDER,
-                Capability.LAYOUT_ONLY,
-                Capability.EMBEDDED_LAYOUT,
-                Capability.VIEW_MANIPULATION,
-                Capability.PLAY_ANIMATION,
-                Capability.ANIMATED_VIEW_MANIPULATION,
-                Capability.ADAPTER_BINDING,
-                Capability.EXTENDED_VIEWINFO,
-                Capability.FIXED_SCALABLE_NINE_PATCH,
-                Capability.RTL,
-                Capability.ACTION_BAR,
-                Capability.SIMULATE_PLATFORM);
-
-
         BridgeAssetManager.initSystem();
 
         // When DEBUG_LAYOUT is set and is not 0 or false, setup a default listener
@@ -252,6 +242,7 @@
 
         // load the fonts.
         FontFamily_Delegate.setFontLocation(fontLocation.getAbsolutePath());
+        MemoryMappedFile_Delegate.setDataDir(fontLocation.getAbsoluteFile().getParentFile());
 
         // now parse com.android.internal.R (and only this one as android.R is a subset of
         // the internal version), and put the content in the maps.
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java
index aeb70e9..8523f1a 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java
@@ -73,6 +73,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowManager;
+import android.view.accessibility.AccessibilityManager;
 import android.view.textservice.TextServicesManager;
 
 import java.io.File;
@@ -92,8 +93,15 @@
  */
 public final class BridgeContext extends Context {
 
-    private Resources mSystemResources;
+    /** The map adds cookies to each view so that IDE can link xml tags to views. */
     private final HashMap<View, Object> mViewKeyMap = new HashMap<View, Object>();
+    /**
+     * In some cases, when inflating an xml, some objects are created. Then later, the objects are
+     * converted to views. This map stores the mapping from objects to cookies which can then be
+     * used to populate the mViewKeyMap.
+     */
+    private final HashMap<Object, Object> mViewKeyHelpMap = new HashMap<Object, Object>();
+    private Resources mSystemResources;
     private final Object mProjectKey;
     private final DisplayMetrics mMetrics;
     private final RenderResources mRenderResources;
@@ -120,8 +128,9 @@
     private BridgeContentResolver mContentResolver;
 
     private final Stack<BridgeXmlBlockParser> mParserStack = new Stack<BridgeXmlBlockParser>();
+    private SharedPreferences mSharedPreferences;
 
-    /**
+  /**
      * @param projectKey An Object identifying the project. This is used for the cache mechanism.
      * @param metrics the {@link DisplayMetrics}.
      * @param renderResources the configured resources (both framework and projects) for this
@@ -189,6 +198,14 @@
         return mViewKeyMap.get(view);
     }
 
+    public void addCookie(Object o, Object cookie) {
+        mViewKeyHelpMap.put(o, cookie);
+    }
+
+    public Object getCookie(Object o) {
+        return mViewKeyHelpMap.get(o);
+    }
+
     public Object getProjectKey() {
         return mProjectKey;
     }
@@ -460,6 +477,10 @@
             return mDisplayManager;
         }
 
+        if (ACCESSIBILITY_SERVICE.equals(service)) {
+            return AccessibilityManager.getInstance(this);
+        }
+
         throw new UnsupportedOperationException("Unsupported Service: " + service);
     }
 
@@ -475,28 +496,22 @@
     @Override
     public final BridgeTypedArray obtainStyledAttributes(int resid, int[] attrs)
             throws Resources.NotFoundException {
+        StyleResourceValue style = null;
         // get the StyleResourceValue based on the resId;
-        StyleResourceValue style = getStyleByDynamicId(resid);
+        if (resid != 0) {
+            style = getStyleByDynamicId(resid);
 
-        if (style == null) {
-            // In some cases, style may not be a dynamic id, so we do a full search.
-            ResourceReference ref = resolveId(resid);
-            if (ref != null) {
-                if (ref.isFramework()) {
-                    ref =
-                      getRenderResources().getFrameworkResource(ResourceType.STYLE, ref.getName());
-                } else {
-                    ref =
-                      getRenderResources().getProjectResource(ResourceType.STYLE, ref.getName());
-                }
-                if (ref instanceof StyleResourceValue) {
-                    style = ((StyleResourceValue) ref);
+            if (style == null) {
+                // In some cases, style may not be a dynamic id, so we do a full search.
+                ResourceReference ref = resolveId(resid);
+                if (ref != null) {
+                    style = mRenderResources.getStyle(ref.getName(), ref.isFramework());
                 }
             }
-        }
 
-        if (style == null) {
-            throw new Resources.NotFoundException();
+            if (style == null) {
+                throw new Resources.NotFoundException();
+            }
         }
 
         if (mTypedArrayCache == null) {
@@ -1172,8 +1187,10 @@
 
     @Override
     public SharedPreferences getSharedPreferences(String arg0, int arg1) {
-        // pass
-        return null;
+        if (mSharedPreferences == null) {
+            mSharedPreferences = new BridgeSharedPreferences();
+        }
+        return mSharedPreferences;
     }
 
     @Override
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeSharedPreferences.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeSharedPreferences.java
new file mode 100644
index 0000000..132ff2f
--- /dev/null
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeSharedPreferences.java
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2014 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.layoutlib.bridge.android;
+
+import android.content.SharedPreferences;
+
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * An empty shared preferences implementation which doesn't store anything. It always returns
+ * null, 0 or false.
+ */
+public class BridgeSharedPreferences implements SharedPreferences {
+    private Editor mEditor;
+
+    @Override
+    public Map<String, ?> getAll() {
+        return null;
+    }
+
+    @Override
+    public String getString(String key, String defValue) {
+        return null;
+    }
+
+    @Override
+    public Set<String> getStringSet(String key, Set<String> defValues) {
+        return null;
+    }
+
+    @Override
+    public int getInt(String key, int defValue) {
+        return 0;
+    }
+
+    @Override
+    public long getLong(String key, long defValue) {
+        return 0;
+    }
+
+    @Override
+    public float getFloat(String key, float defValue) {
+        return 0;
+    }
+
+    @Override
+    public boolean getBoolean(String key, boolean defValue) {
+        return false;
+    }
+
+    @Override
+    public boolean contains(String key) {
+        return false;
+    }
+
+    @Override
+    public Editor edit() {
+        if (mEditor != null) {
+            return mEditor;
+        }
+        mEditor = new Editor() {
+            @Override
+            public Editor putString(String key, String value) {
+                return null;
+            }
+
+            @Override
+            public Editor putStringSet(String key, Set<String> values) {
+                return null;
+            }
+
+            @Override
+            public Editor putInt(String key, int value) {
+                return null;
+            }
+
+            @Override
+            public Editor putLong(String key, long value) {
+                return null;
+            }
+
+            @Override
+            public Editor putFloat(String key, float value) {
+                return null;
+            }
+
+            @Override
+            public Editor putBoolean(String key, boolean value) {
+                return null;
+            }
+
+            @Override
+            public Editor remove(String key) {
+                return null;
+            }
+
+            @Override
+            public Editor clear() {
+                return null;
+            }
+
+            @Override
+            public boolean commit() {
+                return false;
+            }
+
+            @Override
+            public void apply() {
+            }
+        };
+        return mEditor;
+    }
+
+    @Override
+    public void registerOnSharedPreferenceChangeListener(
+            OnSharedPreferenceChangeListener listener) {
+    }
+
+    @Override
+    public void unregisterOnSharedPreferenceChangeListener(
+            OnSharedPreferenceChangeListener listener) {
+    }
+}
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/SessionParamsFlags.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/SessionParamsFlags.java
new file mode 100644
index 0000000..e00ea6a
--- /dev/null
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/SessionParamsFlags.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2014 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.layoutlib.bridge.android;
+
+import com.android.ide.common.rendering.api.SessionParams;
+
+/**
+ * This contains all known keys for the {@link SessionParams#getFlag(SessionParams.Key)}.
+ * <p/>
+ * The IDE has its own copy of this class which may be newer or older than this one.
+ * <p/>
+ * Constants should never be modified or removed from this class.
+ */
+public final class SessionParamsFlags {
+
+    public static final SessionParams.Key<String> FLAG_KEY_ROOT_TAG =
+            new SessionParams.Key<String>("rootTag", String.class);
+
+    // Disallow instances.
+    private SessionParamsFlags() {}
+}
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
index a2eed9a..4637bfd 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
@@ -36,6 +36,7 @@
 import com.android.ide.common.rendering.api.Result.Status;
 import com.android.ide.common.rendering.api.SessionParams;
 import com.android.ide.common.rendering.api.SessionParams.RenderingMode;
+import com.android.ide.common.rendering.api.StyleResourceValue;
 import com.android.ide.common.rendering.api.ViewInfo;
 import com.android.ide.common.rendering.api.ViewType;
 import com.android.internal.util.XmlUtils;
@@ -49,6 +50,7 @@
 import com.android.layoutlib.bridge.android.BridgeContext;
 import com.android.layoutlib.bridge.android.BridgeLayoutParamsMapAttributes;
 import com.android.layoutlib.bridge.android.BridgeXmlBlockParser;
+import com.android.layoutlib.bridge.android.SessionParamsFlags;
 import com.android.layoutlib.bridge.bars.Config;
 import com.android.layoutlib.bridge.bars.NavigationBar;
 import com.android.layoutlib.bridge.bars.StatusBar;
@@ -73,6 +75,7 @@
 import android.graphics.Bitmap_Delegate;
 import android.graphics.Canvas;
 import android.graphics.drawable.Drawable;
+import android.preference.Preference_Delegate;
 import android.util.DisplayMetrics;
 import android.util.TypedValue;
 import android.view.AttachInfo_Accessor;
@@ -87,7 +90,6 @@
 import android.view.ViewGroup.MarginLayoutParams;
 import android.view.ViewParent;
 import android.view.WindowManagerGlobal_Delegate;
-import android.view.ViewParent;
 import android.widget.AbsListView;
 import android.widget.AbsSpinner;
 import android.widget.ActionMenuView;
@@ -133,6 +135,7 @@
     private int mMeasuredScreenHeight = -1;
     private boolean mIsAlphaChannelImage;
     private boolean mWindowIsFloating;
+    private Boolean mIsThemeAppCompat;
 
     private int mStatusBarSize;
     private int mNavigationBarSize;
@@ -193,11 +196,9 @@
         DisplayMetrics metrics = getContext().getMetrics();
 
         // use default of true in case it's not found to use alpha by default
-        mIsAlphaChannelImage  = getBooleanThemeValue(resources,
-                "windowIsFloating", true /*defaultValue*/);
-
-        mWindowIsFloating = getBooleanThemeValue(resources, "windowIsFloating",
-                true /*defaultValue*/);
+        mIsAlphaChannelImage  = getBooleanThemeValue(resources, "windowIsFloating", true, true);
+        // FIXME: Find out why both variables are taking the same value.
+        mWindowIsFloating = getBooleanThemeValue(resources, "windowIsFloating", true, true);
 
         findBackground(resources);
         findStatusBar(resources, metrics);
@@ -397,7 +398,15 @@
             // it can instantiate the custom Fragment.
             Fragment_Delegate.setProjectCallback(params.getProjectCallback());
 
-            View view = mInflater.inflate(mBlockParser, mContentRoot);
+            String rootTag = params.getFlag(SessionParamsFlags.FLAG_KEY_ROOT_TAG);
+            boolean isPreference = "PreferenceScreen".equals(rootTag);
+            View view;
+            if (isPreference) {
+                view = Preference_Delegate.inflatePreference(getContext(), mBlockParser,
+                  mContentRoot);
+            } else {
+                view = mInflater.inflate(mBlockParser, mContentRoot);
+            }
 
             // done with the parser, pop it.
             context.popParser();
@@ -408,7 +417,7 @@
             AttachInfo_Accessor.setAttachInfo(mViewRoot);
 
             // post-inflate process. For now this supports TabHost/TabWidget
-            postInflateProcess(view, params.getProjectCallback());
+            postInflateProcess(view, params.getProjectCallback(), isPreference ? view : null);
 
             // get the background drawable
             if (mWindowBackground != null) {
@@ -1050,7 +1059,7 @@
 
     private void findStatusBar(RenderResources resources, DisplayMetrics metrics) {
         boolean windowFullscreen = getBooleanThemeValue(resources,
-                "windowFullscreen", false /*defaultValue*/);
+                "windowFullscreen", false, !isThemeAppCompat(resources));
 
         if (!windowFullscreen && !mWindowIsFloating) {
             // default value
@@ -1077,7 +1086,7 @@
         }
 
         boolean windowActionBar = getBooleanThemeValue(resources,
-                "windowActionBar", true /*defaultValue*/);
+                "windowActionBar", true, !isThemeAppCompat(resources));
 
         // if there's a value and it's false (default is true)
         if (windowActionBar) {
@@ -1104,7 +1113,7 @@
         } else {
             // action bar overrides title bar so only look for this one if action bar is hidden
             boolean windowNoTitle = getBooleanThemeValue(resources,
-                    "windowNoTitle", false /*defaultValue*/);
+                    "windowNoTitle", false, !isThemeAppCompat(resources));
 
             if (!windowNoTitle) {
 
@@ -1176,20 +1185,30 @@
         }
     }
 
+    private boolean isThemeAppCompat(RenderResources resources) {
+        // Ideally, we should check if the corresponding activity extends
+        // android.support.v7.app.ActionBarActivity, and not care about the theme name at all.
+        if (mIsThemeAppCompat == null) {
+            StyleResourceValue defaultTheme = resources.getDefaultTheme();
+            StyleResourceValue val = resources.getStyle("Theme.AppCompat", false);
+            mIsThemeAppCompat = defaultTheme == val || resources.themeIsParentOf(val, defaultTheme);
+        }
+        return mIsThemeAppCompat;
+    }
+
     /**
-     * Looks for a attribute in the current theme. The attribute is in the android
-     * namespace.
+     * Looks for an attribute in the current theme.
      *
      * @param resources the render resources
      * @param name the name of the attribute
      * @param defaultValue the default value.
+     * @param isFrameworkAttr if the attribute is in android namespace
      * @return the value of the attribute or the default one if not found.
      */
     private boolean getBooleanThemeValue(RenderResources resources,
-            String name, boolean defaultValue) {
+            String name, boolean defaultValue, boolean isFrameworkAttr) {
 
-        // get the title bar flag from the current theme.
-        ResourceValue value = resources.findItemInTheme(name, true /*isFrameworkAttr*/);
+        ResourceValue value = resources.findItemInTheme(name, isFrameworkAttr);
 
         // because it may reference something else, we resolve it.
         value = resources.resolveResValue(value);
@@ -1210,12 +1229,16 @@
      * based on the content of the {@link FrameLayout}.
      * @param view the root view to process.
      * @param projectCallback callback to the project.
+     * @param skip the view and it's children are not processed.
      */
     @SuppressWarnings("deprecation")  // For the use of Pair
-    private void postInflateProcess(View view, IProjectCallback projectCallback)
+    private void postInflateProcess(View view, IProjectCallback projectCallback, View skip)
             throws PostInflateException {
+        if (view == skip) {
+            return;
+        }
         if (view instanceof TabHost) {
-            setupTabHost((TabHost)view, projectCallback);
+            setupTabHost((TabHost) view, projectCallback);
         } else if (view instanceof QuickContactBadge) {
             QuickContactBadge badge = (QuickContactBadge) view;
             badge.setImageToDefault();
@@ -1248,7 +1271,7 @@
                             boolean skipCallbackParser = false;
 
                             int count = binding.getHeaderCount();
-                            for (int i = 0 ; i < count ; i++) {
+                            for (int i = 0; i < count; i++) {
                                 Pair<View, Boolean> pair = context.inflateView(
                                         binding.getHeaderAt(i),
                                         list, false /*attachToRoot*/, skipCallbackParser);
@@ -1260,7 +1283,7 @@
                             }
 
                             count = binding.getFooterCount();
-                            for (int i = 0 ; i < count ; i++) {
+                            for (int i = 0; i < count; i++) {
                                 Pair<View, Boolean> pair = context.inflateView(
                                         binding.getFooterAt(i),
                                         list, false /*attachToRoot*/, skipCallbackParser);
@@ -1289,11 +1312,11 @@
                 }
             }
         } else if (view instanceof ViewGroup) {
-            ViewGroup group = (ViewGroup)view;
+            ViewGroup group = (ViewGroup) view;
             final int count = group.getChildCount();
-            for (int c = 0 ; c < count ; c++) {
+            for (int c = 0; c < count; c++) {
                 View child = group.getChildAt(c);
-                postInflateProcess(child, projectCallback);
+                postInflateProcess(child, projectCallback, skip);
             }
         }
     }
@@ -1361,6 +1384,7 @@
             for (int i = 0 ; i < count ; i++) {
                 View child = content.getChildAt(i);
                 String tabSpec = String.format("tab_spec%d", i+1);
+                @SuppressWarnings("ConstantConditions")  // child cannot be null.
                 int id = child.getId();
                 @SuppressWarnings("deprecation")
                 Pair<ResourceType, String> resource = projectCallback.resolveResourceId(id);
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/libcore/io/BridgeBufferIterator.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/libcore/io/BridgeBufferIterator.java
new file mode 100644
index 0000000..7e361a1
--- /dev/null
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/libcore/io/BridgeBufferIterator.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2014 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.layoutlib.bridge.libcore.io;
+
+import java.nio.ByteBuffer;
+
+import libcore.io.BufferIterator;
+
+/**
+ * Provides an implementation of {@link BufferIterator} over a {@link ByteBuffer}.
+ */
+public class BridgeBufferIterator extends BufferIterator {
+
+    private final long mSize;
+    private final ByteBuffer mByteBuffer;
+
+    public BridgeBufferIterator(long size, ByteBuffer buffer) {
+        mSize = size;
+        mByteBuffer = buffer;
+    }
+
+    @Override
+    public void seek(int offset) {
+        assert offset <= mSize;
+        mByteBuffer.position(offset);
+    }
+
+    @Override
+    public void skip(int byteCount) {
+        int newPosition = mByteBuffer.position() + byteCount;
+        assert newPosition <= mSize;
+        mByteBuffer.position(newPosition);
+    }
+
+    @Override
+    public void readByteArray(byte[] dst, int dstOffset, int byteCount) {
+        assert dst.length >= dstOffset + byteCount;
+        mByteBuffer.get(dst, dstOffset, byteCount);
+    }
+
+    @Override
+    public byte readByte() {
+        return mByteBuffer.get();
+    }
+
+    @Override
+    public int readInt() {
+        return mByteBuffer.getInt();
+    }
+
+    @Override
+    public void readIntArray(int[] dst, int dstOffset, int intCount) {
+        while (--intCount >= 0) {
+            dst[dstOffset++] = mByteBuffer.getInt();
+        }
+    }
+
+    @Override
+    public short readShort() {
+        return mByteBuffer.getShort();
+    }
+}
diff --git a/tools/layoutlib/bridge/src/libcore/io/MemoryMappedFile_Delegate.java b/tools/layoutlib/bridge/src/libcore/io/MemoryMappedFile_Delegate.java
new file mode 100644
index 0000000..723d5c4
--- /dev/null
+++ b/tools/layoutlib/bridge/src/libcore/io/MemoryMappedFile_Delegate.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2014 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 libcore.io;
+
+import com.android.layoutlib.bridge.impl.DelegateManager;
+import com.android.layoutlib.bridge.libcore.io.BridgeBufferIterator;
+import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
+
+import android.system.ErrnoException;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.nio.ByteOrder;
+import java.nio.MappedByteBuffer;
+import java.nio.channels.FileChannel.MapMode;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Delegate used to provide alternate implementation of select methods of {@link MemoryMappedFile}.
+ */
+public class MemoryMappedFile_Delegate {
+
+    private static final DelegateManager<MemoryMappedFile_Delegate> sManager = new
+            DelegateManager<MemoryMappedFile_Delegate>(MemoryMappedFile_Delegate.class);
+
+    private static final Map<MemoryMappedFile, Long> sMemoryMappedFileMap =
+            new HashMap<MemoryMappedFile, Long>();
+
+    private final MappedByteBuffer mMappedByteBuffer;
+    private final long mSize;
+
+    /** Path on the target device where the data file is available. */
+    private static final String TARGET_PATH = System.getenv("ANDROID_ROOT") + "/usr/share/zoneinfo";
+    /** Path on the host (inside the SDK) where the data files are available. */
+    private static File sRootPath;
+
+    @LayoutlibDelegate
+    static MemoryMappedFile mmapRO(String path) throws ErrnoException {
+        if (!path.startsWith(TARGET_PATH)) {
+            throw new ErrnoException("Custom timezone data files are not supported.", 1);
+        }
+        if (sRootPath == null) {
+            throw new ErrnoException("Bridge has not been initialized properly.", 1);
+        }
+        path = path.substring(TARGET_PATH.length());
+        try {
+            File f = new File(sRootPath, path);
+            if (!f.exists()) {
+                throw new ErrnoException("File not found: " + f.getPath(), 1);
+            }
+            RandomAccessFile file = new RandomAccessFile(f, "r");
+            try {
+                long size = file.length();
+                MemoryMappedFile_Delegate newDelegate = new MemoryMappedFile_Delegate(file);
+                long filePointer = file.getFilePointer();
+                MemoryMappedFile mmFile = new MemoryMappedFile(filePointer, size);
+                long delegateIndex = sManager.addNewDelegate(newDelegate);
+                sMemoryMappedFileMap.put(mmFile, delegateIndex);
+                return mmFile;
+            } finally {
+                file.close();
+            }
+        } catch (IOException e) {
+            throw new ErrnoException("mmapRO", 1, e);
+        }
+    }
+
+    @LayoutlibDelegate
+    static void close(MemoryMappedFile thisFile) throws ErrnoException {
+        Long index = sMemoryMappedFileMap.get(thisFile);
+        if (index != null) {
+            sMemoryMappedFileMap.remove(thisFile);
+            sManager.removeJavaReferenceFor(index);
+        }
+    }
+
+    @LayoutlibDelegate
+    static BufferIterator bigEndianIterator(MemoryMappedFile file) {
+        MemoryMappedFile_Delegate delegate = getDelegate(file);
+        return new BridgeBufferIterator(delegate.mSize, delegate.mMappedByteBuffer.duplicate());
+    }
+
+    // TODO: implement littleEndianIterator()
+
+    public MemoryMappedFile_Delegate(RandomAccessFile file) throws IOException {
+        mSize = file.length();
+        // It's weird that map() takes size as long, but returns MappedByteBuffer which uses an int
+        // to store the marker to the position.
+        mMappedByteBuffer = file.getChannel().map(MapMode.READ_ONLY, 0, mSize);
+        assert mMappedByteBuffer.order() == ByteOrder.BIG_ENDIAN;
+    }
+
+    public static void setDataDir(File path) {
+        sRootPath = path;
+    }
+
+    private static MemoryMappedFile_Delegate getDelegate(MemoryMappedFile file) {
+        Long index = sMemoryMappedFileMap.get(file);
+        return index == null ? null : sManager.getDelegate(index);
+    }
+
+}
diff --git a/tools/layoutlib/bridge/src/libcore/util/ZoneInfo_WallTime_Delegate.java b/tools/layoutlib/bridge/src/libcore/util/ZoneInfo_WallTime_Delegate.java
new file mode 100644
index 0000000..f29c5c0
--- /dev/null
+++ b/tools/layoutlib/bridge/src/libcore/util/ZoneInfo_WallTime_Delegate.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2014 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 libcore.util;
+
+import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
+
+import java.util.GregorianCalendar;
+
+/**
+ * Delegate used to provide alternate implementation of select methods in {@link ZoneInfo.WallTime}
+ */
+public class ZoneInfo_WallTime_Delegate {
+
+    @LayoutlibDelegate
+    static GregorianCalendar createGregorianCalendar() {
+        return new GregorianCalendar();
+    }
+}
diff --git a/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/activity.png b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/activity.png
new file mode 100644
index 0000000..943cdf1
--- /dev/null
+++ b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/activity.png
Binary files differ
diff --git a/tools/layoutlib/bridge/tests/res/testApp/MyApplication/src/main/res/layout/layout.xml b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/src/main/res/layout/layout.xml
index 2704c07..b8ec5661 100644
--- a/tools/layoutlib/bridge/tests/res/testApp/MyApplication/src/main/res/layout/layout.xml
+++ b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/src/main/res/layout/layout.xml
@@ -8,4 +8,10 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="Some text"/>
+    <DatePicker
+        android:layout_width="100dp"
+        android:layout_height="100dp"/>
+    <CalendarView
+        android:layout_width="100dp"
+        android:layout_height="100dp"/>
 </LinearLayout>
\ No newline at end of file
diff --git a/tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/ImageUtils.java b/tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/ImageUtils.java
new file mode 100644
index 0000000..e13ad72
--- /dev/null
+++ b/tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/ImageUtils.java
@@ -0,0 +1,336 @@
+/*
+ * Copyright (C) 2014 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.layoutlib.bridge.intensive;
+
+import com.android.annotations.NonNull;
+
+import java.awt.AlphaComposite;
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+
+import javax.imageio.ImageIO;
+
+import static java.awt.RenderingHints.*;
+import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
+import static java.io.File.separatorChar;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+
+// Adapted by taking the relevant pieces of code from the following classes:
+//
+// com.android.tools.idea.rendering.ImageUtils,
+// com.android.tools.idea.tests.gui.framework.fixture.layout.ImageFixture and
+// com.android.tools.idea.rendering.RenderTestBase
+/**
+ * Utilities related to image processing.
+ */
+public class ImageUtils {
+    /**
+     * Normally, this test will fail when there is a missing thumbnail. However, when
+     * you create creating a new test, it's useful to be able to turn this off such that
+     * you can generate all the missing thumbnails in one go, rather than having to run
+     * the test repeatedly to get to each new render assertion generating its thumbnail.
+     */
+    private static final boolean FAIL_ON_MISSING_THUMBNAIL = true;
+
+    private static final int THUMBNAIL_SIZE = 250;
+
+    private static final double MAX_PERCENT_DIFFERENCE = 0.1;
+
+    public static void requireSimilar(@NonNull String relativePath, @NonNull BufferedImage image)
+            throws IOException {
+        int maxDimension = Math.max(image.getWidth(), image.getHeight());
+        double scale = THUMBNAIL_SIZE / (double)maxDimension;
+        BufferedImage thumbnail = scale(image, scale, scale);
+
+        InputStream is = ImageUtils.class.getResourceAsStream(relativePath);
+        if (is == null) {
+            String message = "Unable to load golden thumbnail: " + relativePath + "\n";
+            message = saveImageAndAppendMessage(thumbnail, message, relativePath);
+            if (FAIL_ON_MISSING_THUMBNAIL) {
+                fail(message);
+            } else {
+                System.out.println(message);
+            }
+        }
+        else {
+            BufferedImage goldenImage = ImageIO.read(is);
+            assertImageSimilar(relativePath, goldenImage, thumbnail, MAX_PERCENT_DIFFERENCE);
+        }
+    }
+
+    public static void assertImageSimilar(String relativePath, BufferedImage goldenImage,
+            BufferedImage image, double maxPercentDifferent) throws IOException {
+        assertEquals("Only TYPE_INT_ARGB image types are supported",  TYPE_INT_ARGB, image.getType());
+
+        if (goldenImage.getType() != TYPE_INT_ARGB) {
+            BufferedImage temp = new BufferedImage(goldenImage.getWidth(), goldenImage.getHeight(),
+                    TYPE_INT_ARGB);
+            temp.getGraphics().drawImage(goldenImage, 0, 0, null);
+            goldenImage = temp;
+        }
+        assertEquals(TYPE_INT_ARGB, goldenImage.getType());
+
+        int imageWidth = Math.min(goldenImage.getWidth(), image.getWidth());
+        int imageHeight = Math.min(goldenImage.getHeight(), image.getHeight());
+
+        // Blur the images to account for the scenarios where there are pixel
+        // differences
+        // in where a sharp edge occurs
+        // goldenImage = blur(goldenImage, 6);
+        // image = blur(image, 6);
+
+        int width = 3 * imageWidth;
+        @SuppressWarnings("UnnecessaryLocalVariable")
+        int height = imageHeight; // makes code more readable
+        BufferedImage deltaImage = new BufferedImage(width, height, TYPE_INT_ARGB);
+        Graphics g = deltaImage.getGraphics();
+
+        // Compute delta map
+        long delta = 0;
+        for (int y = 0; y < imageHeight; y++) {
+            for (int x = 0; x < imageWidth; x++) {
+                int goldenRgb = goldenImage.getRGB(x, y);
+                int rgb = image.getRGB(x, y);
+                if (goldenRgb == rgb) {
+                    deltaImage.setRGB(imageWidth + x, y, 0x00808080);
+                    continue;
+                }
+
+                // If the pixels have no opacity, don't delta colors at all
+                if (((goldenRgb & 0xFF000000) == 0) && (rgb & 0xFF000000) == 0) {
+                    deltaImage.setRGB(imageWidth + x, y, 0x00808080);
+                    continue;
+                }
+
+                int deltaR = ((rgb & 0xFF0000) >>> 16) - ((goldenRgb & 0xFF0000) >>> 16);
+                int newR = 128 + deltaR & 0xFF;
+                int deltaG = ((rgb & 0x00FF00) >>> 8) - ((goldenRgb & 0x00FF00) >>> 8);
+                int newG = 128 + deltaG & 0xFF;
+                int deltaB = (rgb & 0x0000FF) - (goldenRgb & 0x0000FF);
+                int newB = 128 + deltaB & 0xFF;
+
+                int avgAlpha = ((((goldenRgb & 0xFF000000) >>> 24)
+                        + ((rgb & 0xFF000000) >>> 24)) / 2) << 24;
+
+                int newRGB = avgAlpha | newR << 16 | newG << 8 | newB;
+                deltaImage.setRGB(imageWidth + x, y, newRGB);
+
+                delta += Math.abs(deltaR);
+                delta += Math.abs(deltaG);
+                delta += Math.abs(deltaB);
+            }
+        }
+
+        // 3 different colors, 256 color levels
+        long total = imageHeight * imageWidth * 3L * 256L;
+        float percentDifference = (float) (delta * 100 / (double) total);
+
+        String error = null;
+        String imageName = getName(relativePath);
+        if (percentDifference > maxPercentDifferent) {
+            error = String.format("Images differ (by %.1f%%)", percentDifference);
+        } else if (Math.abs(goldenImage.getWidth() - image.getWidth()) >= 2) {
+            error = "Widths differ too much for " + imageName + ": " +
+                    goldenImage.getWidth() + "x" + goldenImage.getHeight() +
+                    "vs" + image.getWidth() + "x" + image.getHeight();
+        } else if (Math.abs(goldenImage.getHeight() - image.getHeight()) >= 2) {
+            error = "Heights differ too much for " + imageName + ": " +
+                    goldenImage.getWidth() + "x" + goldenImage.getHeight() +
+                    "vs" + image.getWidth() + "x" + image.getHeight();
+        }
+
+        assertEquals(TYPE_INT_ARGB, image.getType());
+        if (error != null) {
+            // Expected on the left
+            // Golden on the right
+            g.drawImage(goldenImage, 0, 0, null);
+            g.drawImage(image, 2 * imageWidth, 0, null);
+
+            // Labels
+            if (imageWidth > 80) {
+                g.setColor(Color.RED);
+                g.drawString("Expected", 10, 20);
+                g.drawString("Actual", 2 * imageWidth + 10, 20);
+            }
+
+            File output = new File(getTempDir(), "delta-" + imageName);
+            if (output.exists()) {
+                boolean deleted = output.delete();
+                assertTrue(deleted);
+            }
+            ImageIO.write(deltaImage, "PNG", output);
+            error += " - see details in " + output.getPath() + "\n";
+            error = saveImageAndAppendMessage(image, error, relativePath);
+            System.out.println(error);
+            fail(error);
+        }
+
+        g.dispose();
+    }
+
+    /**
+     * Resize the given image
+     *
+     * @param source the image to be scaled
+     * @param xScale x scale
+     * @param yScale y scale
+     * @return the scaled image
+     */
+    @NonNull
+    public static BufferedImage scale(@NonNull BufferedImage source, double xScale, double yScale) {
+
+        int sourceWidth = source.getWidth();
+        int sourceHeight = source.getHeight();
+        int destWidth = Math.max(1, (int) (xScale * sourceWidth));
+        int destHeight = Math.max(1, (int) (yScale * sourceHeight));
+        int imageType = source.getType();
+        if (imageType == BufferedImage.TYPE_CUSTOM) {
+            imageType = BufferedImage.TYPE_INT_ARGB;
+        }
+        if (xScale > 0.5 && yScale > 0.5) {
+            BufferedImage scaled =
+                    new BufferedImage(destWidth, destHeight, imageType);
+            Graphics2D g2 = scaled.createGraphics();
+            g2.setComposite(AlphaComposite.Src);
+            g2.setColor(new Color(0, true));
+            g2.fillRect(0, 0, destWidth, destHeight);
+            if (xScale == 1 && yScale == 1) {
+                g2.drawImage(source, 0, 0, null);
+            } else {
+                setRenderingHints(g2);
+                g2.drawImage(source, 0, 0, destWidth, destHeight, 0, 0, sourceWidth, sourceHeight,
+                        null);
+            }
+            g2.dispose();
+            return scaled;
+        } else {
+            // When creating a thumbnail, using the above code doesn't work very well;
+            // you get some visible artifacts, especially for text. Instead use the
+            // technique of repeatedly scaling the image into half; this will cause
+            // proper averaging of neighboring pixels, and will typically (for the kinds
+            // of screen sizes used by this utility method in the layout editor) take
+            // about 3-4 iterations to get the result since we are logarithmically reducing
+            // the size. Besides, each successive pass in operating on much fewer pixels
+            // (a reduction of 4 in each pass).
+            //
+            // However, we may not be resizing to a size that can be reached exactly by
+            // successively diving in half. Therefore, once we're within a factor of 2 of
+            // the final size, we can do a resize to the exact target size.
+            // However, we can get even better results if we perform this final resize
+            // up front. Let's say we're going from width 1000 to a destination width of 85.
+            // The first approach would cause a resize from 1000 to 500 to 250 to 125, and
+            // then a resize from 125 to 85. That last resize can distort/blur a lot.
+            // Instead, we can start with the destination width, 85, and double it
+            // successfully until we're close to the initial size: 85, then 170,
+            // then 340, and finally 680. (The next one, 1360, is larger than 1000).
+            // So, now we *start* the thumbnail operation by resizing from width 1000 to
+            // width 680, which will preserve a lot of visual details such as text.
+            // Then we can successively resize the image in half, 680 to 340 to 170 to 85.
+            // We end up with the expected final size, but we've been doing an exact
+            // divide-in-half resizing operation at the end so there is less distortion.
+
+            int iterations = 0; // Number of halving operations to perform after the initial resize
+            int nearestWidth = destWidth; // Width closest to source width that = 2^x, x is integer
+            int nearestHeight = destHeight;
+            while (nearestWidth < sourceWidth / 2) {
+                nearestWidth *= 2;
+                nearestHeight *= 2;
+                iterations++;
+            }
+
+            BufferedImage scaled = new BufferedImage(nearestWidth, nearestHeight, imageType);
+
+            Graphics2D g2 = scaled.createGraphics();
+            setRenderingHints(g2);
+            g2.drawImage(source, 0, 0, nearestWidth, nearestHeight, 0, 0, sourceWidth, sourceHeight,
+                    null);
+            g2.dispose();
+
+            sourceWidth = nearestWidth;
+            sourceHeight = nearestHeight;
+            source = scaled;
+
+            for (int iteration = iterations - 1; iteration >= 0; iteration--) {
+                int halfWidth = sourceWidth / 2;
+                int halfHeight = sourceHeight / 2;
+                scaled = new BufferedImage(halfWidth, halfHeight, imageType);
+                g2 = scaled.createGraphics();
+                setRenderingHints(g2);
+                g2.drawImage(source, 0, 0, halfWidth, halfHeight, 0, 0, sourceWidth, sourceHeight,
+                        null);
+                g2.dispose();
+
+                sourceWidth = halfWidth;
+                sourceHeight = halfHeight;
+                source = scaled;
+                iterations--;
+            }
+            return scaled;
+        }
+    }
+
+    private static void setRenderingHints(@NonNull Graphics2D g2) {
+        g2.setRenderingHint(KEY_INTERPOLATION,VALUE_INTERPOLATION_BILINEAR);
+        g2.setRenderingHint(KEY_RENDERING, VALUE_RENDER_QUALITY);
+        g2.setRenderingHint(KEY_ANTIALIASING, VALUE_ANTIALIAS_ON);
+    }
+
+    /**
+     * Temp directory where to write the thumbnails and deltas.
+     */
+    @NonNull
+    private static File getTempDir() {
+        if (System.getProperty("os.name").equals("Mac OS X")) {
+            return new File("/tmp"); //$NON-NLS-1$
+        }
+
+        return new File(System.getProperty("java.io.tmpdir")); //$NON-NLS-1$
+    }
+
+    /**
+     * Saves the generated thumbnail image and appends the info message to an initial message
+     */
+    @NonNull
+    private static String saveImageAndAppendMessage(@NonNull BufferedImage image,
+            @NonNull String initialMessage, @NonNull String relativePath) throws IOException {
+        File output = new File(getTempDir(), getName(relativePath));
+        if (output.exists()) {
+            boolean deleted = output.delete();
+            assertTrue(deleted);
+        }
+        ImageIO.write(image, "PNG", output);
+        initialMessage += "Thumbnail for current rendering stored at " + output.getPath();
+//        initialMessage += "\nRun the following command to accept the changes:\n";
+//        initialMessage += String.format("mv %1$s %2$s", output.getPath(),
+//                ImageUtils.class.getResource(relativePath).getPath());
+        // The above has been commented out, since the destination path returned is in out dir
+        // and it makes the tests pass without the code being actually checked in.
+        return initialMessage;
+    }
+
+    private static String getName(@NonNull String relativePath) {
+        return relativePath.substring(relativePath.lastIndexOf(separatorChar) + 1);
+    }
+}
diff --git a/tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/Main.java b/tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/Main.java
index a2588a6..96725af 100644
--- a/tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/Main.java
+++ b/tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/Main.java
@@ -39,6 +39,7 @@
 
 import java.io.File;
 import java.io.FileFilter;
+import java.io.IOException;
 import java.net.URL;
 import java.util.Arrays;
 import java.util.Comparator;
@@ -75,7 +76,10 @@
 
     private static final String PLATFORM_DIR;
     private static final String TEST_RES_DIR;
-    private static final String APP_TEST_RES = "/testApp/MyApplication/src/main/res";
+    /** Location of the app to test inside {@link #TEST_RES_DIR}*/
+    private static final String APP_TEST_DIR = "/testApp/MyApplication";
+    /** Location of the app's res dir inside {@link #TEST_RES_DIR}*/
+    private static final String APP_TEST_RES = APP_TEST_DIR + "/src/main/res";
 
     private LayoutLog mLayoutLibLog;
     private FrameworkResources mFrameworkRepo;
@@ -280,6 +284,12 @@
             getLogger().error(session.getResult().getException(),
                     session.getResult().getErrorMessage());
         }
+        try {
+            String goldenImagePath = APP_TEST_DIR + "/golden/activity.png";
+            ImageUtils.requireSimilar(goldenImagePath, session.getImage());
+        } catch (IOException e) {
+            getLogger().error(e, e.getMessage());
+        }
     }
 
     /**
diff --git a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
index 4e6f456..f9e6151 100644
--- a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
+++ b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
@@ -21,6 +21,7 @@
 import com.android.tools.layoutlib.java.Charsets;
 import com.android.tools.layoutlib.java.IntegralToString;
 import com.android.tools.layoutlib.java.Objects;
+import com.android.tools.layoutlib.java.System_Delegate;
 import com.android.tools.layoutlib.java.UnsafeByteSequence;
 
 import java.util.Arrays;
@@ -131,6 +132,7 @@
             IntegralToString.class,
             UnsafeByteSequence.class,
             Charsets.class,
+            System_Delegate.class,
         };
 
     /**
@@ -150,6 +152,7 @@
         "android.graphics.Typeface#getSystemFontConfigLocation",
         "android.os.Handler#sendMessageAtTime",
         "android.os.HandlerThread#run",
+        "android.preference.Preference#getView",
         "android.text.format.DateFormat#is24HourFormat",
         "android.util.Xml#newPullParser",
         "android.view.Choreographer#getRefreshRate",
@@ -167,10 +170,15 @@
         "android.view.RenderNode#nSetElevation",
         "android.view.RenderNode#nGetElevation",
         "android.view.ViewGroup#drawChild",
+        "android.widget.TimePickerSpinnerDelegate#getAmOrPmKeyCode",
         "com.android.internal.view.menu.MenuBuilder#createNewMenuItem",
         "com.android.internal.util.XmlUtils#convertValueToInt",
         "com.android.internal.textservice.ITextServicesManager$Stub#asInterface",
-        "dalvik.system.VMRuntime#newUnpaddedArray"
+        "dalvik.system.VMRuntime#newUnpaddedArray",
+        "libcore.io.MemoryMappedFile#mmapRO",
+        "libcore.io.MemoryMappedFile#close",
+        "libcore.io.MemoryMappedFile#bigEndianIterator",
+        "libcore.util.ZoneInfo$WallTime#createGregorianCalendar",
     };
 
     /**
@@ -220,7 +228,6 @@
         "android.os.SystemProperties",
         "android.text.AndroidBidi",
         "android.text.StaticLayout",
-        "android.text.format.Time",
         "android.util.FloatMath",
         "android.view.Display",
         "libcore.icu.DateIntervalFormat",
@@ -261,10 +268,12 @@
             "java.nio.charset.Charsets",                       "com.android.tools.layoutlib.java.Charsets",
             "java.lang.IntegralToString",                      "com.android.tools.layoutlib.java.IntegralToString",
             "java.lang.UnsafeByteSequence",                    "com.android.tools.layoutlib.java.UnsafeByteSequence",
+            "java.nio.charset.StandardCharsets",               "com.android.tools.layoutlib.java.Charsets",
         };
 
     private final static String[] EXCLUDED_CLASSES =
         new String[] {
+            "android.preference.PreferenceActivity",
             "org.kxml2.io.KXmlParser"
         };
 
diff --git a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/Main.java b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/Main.java
index cd3c39e..fa570c8 100644
--- a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/Main.java
+++ b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/Main.java
@@ -108,6 +108,7 @@
                         "android.graphics.drawable.*",
                         "android.content.*",
                         "android.content.res.*",
+                        "android.preference.*",
                         "org.apache.harmony.xml.*",
                         "com.android.internal.R**",
                         "android.pim.*", // for datepicker
diff --git a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/ReplaceMethodCallsAdapter.java b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/ReplaceMethodCallsAdapter.java
index 9c6fbac..1e2623f 100644
--- a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/ReplaceMethodCallsAdapter.java
+++ b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/ReplaceMethodCallsAdapter.java
@@ -16,6 +16,8 @@
 
 package com.android.tools.layoutlib.create;
 
+import com.android.tools.layoutlib.java.System_Delegate;
+
 import org.objectweb.asm.ClassVisitor;
 import org.objectweb.asm.MethodVisitor;
 import org.objectweb.asm.Opcodes;
@@ -47,24 +49,25 @@
     private static final String ANDROID_LOCALE_CLASS =
             "com/android/layoutlib/bridge/android/AndroidLocale";
 
-    private static final String JAVA_LOCALE_CLASS = "java/util/Locale";
+    private static final String JAVA_LOCALE_CLASS = Type.getInternalName(java.util.Locale.class);
     private static final Type STRING = Type.getType(String.class);
 
+    private static final String JAVA_LANG_SYSTEM = Type.getInternalName(System.class);
+
     // Static initialization block to initialize METHOD_REPLACERS.
     static {
         // Case 1: java.lang.System.arraycopy()
         METHOD_REPLACERS.add(new MethodReplacer() {
             @Override
             public boolean isNeeded(String owner, String name, String desc) {
-                return "java/lang/System".equals(owner) && "arraycopy".equals(name) &&
+                return JAVA_LANG_SYSTEM.equals(owner) && "arraycopy".equals(name) &&
                         ARRAYCOPY_DESCRIPTORS.contains(desc);
             }
 
             @Override
-            public void replace(int[] opcode, String[] methodInformation) {
-                assert methodInformation.length == 3 && isNeeded(methodInformation[0], methodInformation[1], methodInformation[2])
-                        && opcode.length == 1;
-                methodInformation[2] = "(Ljava/lang/Object;ILjava/lang/Object;II)V";
+            public void replace(MethodInformation mi) {
+                assert isNeeded(mi.owner, mi.name, mi.desc);
+                mi.desc = "(Ljava/lang/Object;ILjava/lang/Object;II)V";
             }
         });
 
@@ -80,12 +83,11 @@
             }
 
             @Override
-            public void replace(int[] opcode, String[] methodInformation) {
-                assert methodInformation.length == 3 && isNeeded(methodInformation[0], methodInformation[1], methodInformation[2])
-                        && opcode.length == 1;
-                opcode[0] = Opcodes.INVOKESTATIC;
-                methodInformation[0] = ANDROID_LOCALE_CLASS;
-                methodInformation[2] = LOCALE_TO_STRING;
+            public void replace(MethodInformation mi) {
+                assert isNeeded(mi.owner, mi.name, mi.desc);
+                mi.opcode = Opcodes.INVOKESTATIC;
+                mi.owner = ANDROID_LOCALE_CLASS;
+                mi.desc = LOCALE_TO_STRING;
             }
         });
 
@@ -104,10 +106,27 @@
             }
 
             @Override
-            public void replace(int[] opcode, String[] methodInformation) {
-                assert methodInformation.length == 3 && isNeeded(methodInformation[0], methodInformation[1], methodInformation[2])
-                        && opcode.length == 1;
-                methodInformation[0] = ANDROID_LOCALE_CLASS;
+            public void replace(MethodInformation mi) {
+                assert isNeeded(mi.owner, mi.name, mi.desc);
+                mi.owner = ANDROID_LOCALE_CLASS;
+            }
+        });
+
+        // Case 4: java.lang.System.log?()
+        METHOD_REPLACERS.add(new MethodReplacer() {
+            @Override
+            public boolean isNeeded(String owner, String name, String desc) {
+                return JAVA_LANG_SYSTEM.equals(owner) && name.length() == 4
+                        && name.startsWith("log");
+            }
+
+            @Override
+            public void replace(MethodInformation mi) {
+                assert isNeeded(mi.owner, mi.name, mi.desc);
+                assert mi.desc.equals("(Ljava/lang/String;Ljava/lang/Throwable;)V")
+                        || mi.desc.equals("(Ljava/lang/String;)V");
+                mi.name = "log";
+                mi.owner = Type.getInternalName(System_Delegate.class);
             }
         });
     }
@@ -141,13 +160,12 @@
         public void visitMethodInsn(int opcode, String owner, String name, String desc) {
             for (MethodReplacer replacer : METHOD_REPLACERS) {
                 if (replacer.isNeeded(owner, name, desc)) {
-                    String[] methodInformation = {owner, name, desc};
-                    int[] opcodeOut = {opcode};
-                    replacer.replace(opcodeOut, methodInformation);
-                    opcode = opcodeOut[0];
-                    owner = methodInformation[0];
-                    name = methodInformation[1];
-                    desc = methodInformation[2];
+                    MethodInformation mi = new MethodInformation(opcode, owner, name, desc);
+                    replacer.replace(mi);
+                    opcode = mi.opcode;
+                    owner = mi.owner;
+                    name = mi.name;
+                    desc = mi.desc;
                     break;
                 }
             }
@@ -155,19 +173,28 @@
         }
     }
 
+    private static class MethodInformation {
+        public int opcode;
+        public String owner;
+        public String name;
+        public String desc;
+
+        public MethodInformation(int opcode, String owner, String name, String desc) {
+            this.opcode = opcode;
+            this.owner = owner;
+            this.name = name;
+            this.desc = desc;
+        }
+    }
+
     private interface MethodReplacer {
         public boolean isNeeded(String owner, String name, String desc);
 
         /**
-         * This method must update the arrays with the new values of the method attributes -
+         * Updates the MethodInformation with the new values of the method attributes -
          * opcode, owner, name and desc.
-         * @param opcode This array should contain the original value of the opcode. The value is
-         *               modified by the method if needed. The size of the array must be 1.
          *
-         * @param methodInformation This array should contain the original values of the method
-         *                          attributes - owner, name and desc in that order. The values
-         *                          may be modified as needed. The size of the array must be 3.
          */
-        public void replace(int[] opcode, String[] methodInformation);
+        public void replace(MethodInformation mi);
     }
 }
diff --git a/tools/layoutlib/create/src/com/android/tools/layoutlib/java/System_Delegate.java b/tools/layoutlib/create/src/com/android/tools/layoutlib/java/System_Delegate.java
new file mode 100644
index 0000000..613c8d9
--- /dev/null
+++ b/tools/layoutlib/create/src/com/android/tools/layoutlib/java/System_Delegate.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2014 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.tools.layoutlib.java;
+
+import com.android.tools.layoutlib.create.ReplaceMethodCallsAdapter;
+
+/**
+ * Provides dummy implementation of methods that don't exist on the host VM.
+ *
+ * @see ReplaceMethodCallsAdapter
+ */
+public class System_Delegate {
+    public static void log(String message) {
+        // ignore.
+    }
+
+    public static void log(String message, Throwable th) {
+        // ignore.
+    }
+}