1 files changed, 51 insertions, 0 deletions
diff --git a/core/java/android/net/ConnectivityThread.java b/core/java/android/net/ConnectivityThread.java
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index 000000000000..55c3402bf39d
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+++ b/core/java/android/net/ConnectivityThread.java
@@ -0,0 +1,51 @@
+/*
+ * 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.net;
+
+import android.os.HandlerThread;
+import android.os.Looper;
+
+/**
+ * Shared singleton connectivity thread for the system.  This is a thread for
+ * connectivity operations such as AsyncChannel connections to system services.
+ * Various connectivity manager objects can use this singleton as a common
+ * resource for their handlers instead of creating separate threads of their own.
+ * @hide
+ */
+public final class ConnectivityThread extends HandlerThread {
+    private static ConnectivityThread sInstance;
+
+    private ConnectivityThread() {
+        super("ConnectivityThread");
+    }
+
+    private static synchronized ConnectivityThread getInstance() {
+        if (sInstance == null) {
+            sInstance = new ConnectivityThread();
+            sInstance.start();
+        }
+        return sInstance;
+    }
+
+    public static ConnectivityThread get() {
+        return getInstance();
+    }
+
+    public static Looper getInstanceLooper() {
+        return getInstance().getLooper();
+    }
+}