Remove the synchronization
All of the callbacks happen on the same thread; no need to
synchronize. Also move away from TimerTask and use Handler to post
the termination callback.
Change-Id: If684e29686f2c7557cc56057c7f1ec6a1dfd3bcb
diff --git a/src/com/android/telecomm/ThreadUtil.java b/src/com/android/telecomm/ThreadUtil.java
new file mode 100644
index 0000000..b826f58
--- /dev/null
+++ b/src/com/android/telecomm/ThreadUtil.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright 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.telecomm;
+
+import android.os.Looper;
+import android.util.Log;
+
+/**
+ * A utility class which helps organize callers' threads. This class cannot be instantiated; callers
+ * should use the static methods.
+ */
+public final class ThreadUtil {
+ private static final String TAG = ThreadUtil.class.getSimpleName();
+
+ private ThreadUtil() {}
+
+ /** @return whether this method is being called from the main (UI) thread. */
+ public static boolean isOnMainThread() {
+ return Looper.getMainLooper() == Looper.myLooper();
+ }
+
+ /**
+ * Checks that this is being executed on the main thread. If not, a message is logged at
+ * WTF-level priority.
+ */
+ public static void checkOnMainThread() {
+ if (!isOnMainThread()) {
+ Log.wtf(TAG, "Must be on the main thread!", new IllegalStateException());
+ }
+ }
+
+ /**
+ * Checks that this is not being executed on the main thread. If so, a message is logged at
+ * WTF-level priority.
+ */
+ public static void checkNotOnMainThread() {
+ if (isOnMainThread()) {
+ Log.wtf(TAG, "Must not be on the main thread!", new IllegalStateException());
+ }
+ }
+}