diff --git a/core/java/android/net/ConnectivityThread.java b/core/java/android/net/ConnectivityThread.java new file mode 100644 index 0000000000..55c3402bf3 --- /dev/null +++ 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(); + } +}