Merge "fix mistaken check of mScreenBrightnessDarkConfig"
diff --git a/core/java/android/bluetooth/BluetoothGatt.java b/core/java/android/bluetooth/BluetoothGatt.java
index 9cfe417..0fe2abf 100644
--- a/core/java/android/bluetooth/BluetoothGatt.java
+++ b/core/java/android/bluetooth/BluetoothGatt.java
@@ -45,14 +45,18 @@
     private IBluetoothGatt mService;
     private BluetoothGattCallback mCallback;
     private int mClientIf;
-    private boolean mAuthRetry = false;
     private BluetoothDevice mDevice;
     private boolean mAutoConnect;
+    private int mAuthRetryState;
     private int mConnState;
     private final Object mStateLock = new Object();
     private Boolean mDeviceBusy = false;
     private int mTransport;
 
+    private static final int AUTH_RETRY_STATE_IDLE = 0;
+    private static final int AUTH_RETRY_STATE_NO_MITM = 1;
+    private static final int AUTH_RETRY_STATE_MITM = 2;
+
     private static final int CONN_STATE_IDLE = 0;
     private static final int CONN_STATE_CONNECTING = 1;
     private static final int CONN_STATE_CONNECTED = 2;
@@ -260,17 +264,19 @@
 
                 if ((status == GATT_INSUFFICIENT_AUTHENTICATION
                   || status == GATT_INSUFFICIENT_ENCRYPTION)
-                  && mAuthRetry == false) {
+                  && (mAuthRetryState != AUTH_RETRY_STATE_MITM)) {
                     try {
-                        mAuthRetry = true;
-                        mService.readCharacteristic(mClientIf, address, handle, AUTHENTICATION_MITM);
+                        final int authReq = (mAuthRetryState == AUTH_RETRY_STATE_IDLE) ?
+                                AUTHENTICATION_NO_MITM : AUTHENTICATION_MITM;
+                        mService.readCharacteristic(mClientIf, address, handle, authReq);
+                        mAuthRetryState++;
                         return;
                     } catch (RemoteException e) {
                         Log.e(TAG,"",e);
                     }
                 }
 
-                mAuthRetry = false;
+                mAuthRetryState = AUTH_RETRY_STATE_IDLE;
 
                 BluetoothGattCharacteristic characteristic = getCharacteristicById(mDevice, handle);
                 if (characteristic == null) {
@@ -309,19 +315,20 @@
 
                 if ((status == GATT_INSUFFICIENT_AUTHENTICATION
                   || status == GATT_INSUFFICIENT_ENCRYPTION)
-                  && mAuthRetry == false) {
+                  && (mAuthRetryState != AUTH_RETRY_STATE_MITM)) {
                     try {
-                        mAuthRetry = true;
+                        final int authReq = (mAuthRetryState == AUTH_RETRY_STATE_IDLE) ?
+                                AUTHENTICATION_NO_MITM : AUTHENTICATION_MITM;
                         mService.writeCharacteristic(mClientIf, address, handle,
-                            characteristic.getWriteType(), AUTHENTICATION_MITM,
-                            characteristic.getValue());
+                            characteristic.getWriteType(), authReq, characteristic.getValue());
+                        mAuthRetryState++;
                         return;
                     } catch (RemoteException e) {
                         Log.e(TAG,"",e);
                     }
                 }
 
-                mAuthRetry = false;
+                mAuthRetryState = AUTH_RETRY_STATE_IDLE;
 
                 try {
                     mCallback.onCharacteristicWrite(BluetoothGatt.this, characteristic, status);
@@ -376,17 +383,19 @@
 
                 if ((status == GATT_INSUFFICIENT_AUTHENTICATION
                   || status == GATT_INSUFFICIENT_ENCRYPTION)
-                  && mAuthRetry == false) {
+                  && (mAuthRetryState != AUTH_RETRY_STATE_MITM)) {
                     try {
-                        mAuthRetry = true;
-                        mService.readDescriptor(mClientIf, address, handle, AUTHENTICATION_MITM);
+                        final int authReq = (mAuthRetryState == AUTH_RETRY_STATE_IDLE) ?
+                                AUTHENTICATION_NO_MITM : AUTHENTICATION_MITM;
+                        mService.readDescriptor(mClientIf, address, handle, authReq);
+                        mAuthRetryState++;
                         return;
                     } catch (RemoteException e) {
                         Log.e(TAG,"",e);
                     }
                 }
 
-                mAuthRetry = true;
+                mAuthRetryState = AUTH_RETRY_STATE_IDLE;
 
                 try {
                     mCallback.onDescriptorRead(BluetoothGatt.this, descriptor, status);
@@ -415,18 +424,20 @@
 
                 if ((status == GATT_INSUFFICIENT_AUTHENTICATION
                   || status == GATT_INSUFFICIENT_ENCRYPTION)
-                  && mAuthRetry == false) {
+                  && (mAuthRetryState != AUTH_RETRY_STATE_MITM)) {
                     try {
-                        mAuthRetry = true;
+                        final int authReq = (mAuthRetryState == AUTH_RETRY_STATE_IDLE) ?
+                                AUTHENTICATION_NO_MITM : AUTHENTICATION_MITM;
                         mService.writeDescriptor(mClientIf, address, handle,
-                            AUTHENTICATION_MITM, descriptor.getValue());
+                            authReq, descriptor.getValue());
+                        mAuthRetryState++;
                         return;
                     } catch (RemoteException e) {
                         Log.e(TAG,"",e);
                     }
                 }
 
-                mAuthRetry = false;
+                mAuthRetryState = AUTH_RETRY_STATE_IDLE;
 
                 try {
                     mCallback.onDescriptorWrite(BluetoothGatt.this, descriptor, status);
@@ -501,6 +512,7 @@
         mServices = new ArrayList<BluetoothGattService>();
 
         mConnState = CONN_STATE_IDLE;
+        mAuthRetryState = AUTH_RETRY_STATE_IDLE;
     }
 
     /**
@@ -514,6 +526,7 @@
 
         unregisterApp();
         mConnState = CONN_STATE_CLOSED;
+        mAuthRetryState = AUTH_RETRY_STATE_IDLE;
     }
 
     /**
diff --git a/telecomm/java/android/telecom/Log.java b/telecomm/java/android/telecom/Log.java
index ecda3cd..249d32b 100644
--- a/telecomm/java/android/telecom/Log.java
+++ b/telecomm/java/android/telecom/Log.java
@@ -16,6 +16,7 @@
 
 package android.telecom;
 
+import android.content.Context;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.telecom.Logging.EventManager;
@@ -175,6 +176,10 @@
      * loggers.
      */
 
+    public static void setSessionContext(Context context) {
+        getSessionManager().setContext(context);
+    }
+
     public static void startSession(String shortMethodName) {
         getSessionManager().startSession(shortMethodName, null);
     }
@@ -199,6 +204,10 @@
         getSessionManager().endSession();
     }
 
+    public static void registerSessionListener(SessionManager.ISessionListener l) {
+        getSessionManager().registerSessionListener(l);
+    }
+
     public static String getSessionId() {
         // If the Session logger has not been initialized, then there have been no sessions logged.
         // Don't load it now!
@@ -300,7 +309,7 @@
 
     private static MessageDigest sMessageDigest;
 
-    static void initMd5Sum() {
+    public static void initMd5Sum() {
         new AsyncTask<Void, Void, Void>() {
             @Override
             public Void doInBackground(Void... args) {
@@ -426,7 +435,7 @@
             msg = (args == null || args.length == 0) ? format
                     : String.format(Locale.US, format, args);
         } catch (IllegalFormatException ife) {
-            e("Log", ife, "IllegalFormatException: formatString='%s' numArgs=%d", format,
+            e(TAG, ife, "Log: IllegalFormatException: formatString='%s' numArgs=%d", format,
                     args.length);
             msg = format + " (An error occurred while formatting the message.)";
         }
diff --git a/telecomm/java/android/telecom/Logging/EventManager.java b/telecomm/java/android/telecom/Logging/EventManager.java
index 0849804..2cd1b96 100644
--- a/telecomm/java/android/telecom/Logging/EventManager.java
+++ b/telecomm/java/android/telecom/Logging/EventManager.java
@@ -291,7 +291,7 @@
             msg = (args == null || args.length == 0) ? format
                     : String.format(Locale.US, format, args);
         } catch (IllegalFormatException ife) {
-            Log.e("Log", ife, "IllegalFormatException: formatString='%s' numArgs=%d", format,
+            Log.e(this, ife, "IllegalFormatException: formatString='%s' numArgs=%d", format,
                     args.length);
             msg = format + " (An error occurred while formatting the message.)";
         }
@@ -366,8 +366,6 @@
         // Now add a new entry
         mEventRecords.add(newRecord);
         mCallEventRecordMap.put(recordEntry, newRecord);
-
-        // TODO: Add Implementation of this in Telecom for Analytics
         synchronized (mSync) {
             for (EventListener l : mEventListeners) {
                 l.eventRecordAdded(newRecord);
diff --git a/telecomm/java/android/telecom/Logging/Runnable.java b/telecomm/java/android/telecom/Logging/Runnable.java
new file mode 100644
index 0000000..56c52bf
--- /dev/null
+++ b/telecomm/java/android/telecom/Logging/Runnable.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2016 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.telecom.Logging;
+
+import android.telecom.Log;
+
+/**
+ * Encapsulates session logging in a Runnable to reduce code duplication when continuing subsessions
+ * in a handler/thread.
+ * @hide
+ */
+public abstract class Runnable {
+
+    private Session mSubsession;
+    private final String mSubsessionName;
+    private final Object mLock = new Object();
+    private final java.lang.Runnable mRunnable = new java.lang.Runnable() {
+        @Override
+        public void run() {
+            synchronized (mLock) {
+                try {
+                    Log.continueSession(mSubsession, mSubsessionName);
+                    loggedRun();
+                } finally {
+                    if (mSubsession != null) {
+                        Log.endSession();
+                        mSubsession = null;
+                    }
+                }
+            }
+        }
+    };
+
+    public Runnable(String subsessionName) {
+        mSubsessionName = subsessionName;
+    }
+
+    /**
+     * Return the runnable that will be canceled in the handler queue.
+     * @return Runnable object to cancel.
+     */
+    public final java.lang.Runnable getRunnableToCancel() {
+        return mRunnable;
+    }
+
+    /**
+     * Creates a Runnable and a logging subsession that can be used in a handler/thread. Be sure to
+     * call cancel() if this session is never going to be run (removed from a handler queue, for
+     * for example).
+     * @return A Java Runnable that can be used in a handler queue or thread.
+     */
+    public java.lang.Runnable prepare() {
+        cancel();
+        mSubsession = Log.createSubsession();
+        return mRunnable;
+    }
+
+    /**
+     * This method is used to clean up the active session if the Runnable gets removed from a
+     * handler and is never run.
+     */
+    public void cancel() {
+        synchronized (mLock) {
+            Log.cancelSubsession(mSubsession);
+            mSubsession = null;
+        }
+    }
+
+    /**
+     * The method that will be run in the handler/thread.
+     */
+    abstract public void loggedRun();
+
+}
diff --git a/telecomm/java/android/telecom/Logging/SessionManager.java b/telecomm/java/android/telecom/Logging/SessionManager.java
index 90daee0..add1237 100644
--- a/telecomm/java/android/telecom/Logging/SessionManager.java
+++ b/telecomm/java/android/telecom/Logging/SessionManager.java
@@ -273,7 +273,6 @@
                     System.currentTimeMillis() - subsession.getExecutionStartTimeMilliseconds();
             android.util.Slog.d(LOGGING_TAG, Session.END_SESSION + " (dur: " + fullSessionTimeMs
                     + " ms): " + subsession.toString());
-            // TODO: Add analytics hook
             for (ISessionListener l : mSessionListeners) {
                 l.sessionComplete(subsession.getShortMethodName(), fullSessionTimeMs);
             }
diff --git a/tools/aapt2/util/Files.cpp b/tools/aapt2/util/Files.cpp
index f5e49f1..042ff0e 100644
--- a/tools/aapt2/util/Files.cpp
+++ b/tools/aapt2/util/Files.cpp
@@ -72,8 +72,8 @@
             std::stringstream errorStr;
             errorStr << "unable to open file: " << strerror(errno);
             *outError = errorStr.str();
-            return {};
         }
+        return {};
     }
 
     std::vector<std::string> files;