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Diffstat (limited to 'services/java/com/android/server/UiThread.java')
-rw-r--r-- | services/java/com/android/server/UiThread.java | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/services/java/com/android/server/UiThread.java b/services/java/com/android/server/UiThread.java deleted file mode 100644 index 60d73aa..0000000 --- a/services/java/com/android/server/UiThread.java +++ /dev/null @@ -1,71 +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 com.android.server; - -import android.os.Handler; -import android.os.HandlerThread; -import android.os.StrictMode; -import android.util.Slog; - -/** - * Shared singleton thread for showing UI. This is a foreground thread, and in - * additional should not have operations that can take more than a few ms scheduled - * on it to avoid UI jank. - */ -public final class UiThread extends HandlerThread { - private static UiThread sInstance; - private static Handler sHandler; - - private UiThread() { - super("android.ui", android.os.Process.THREAD_PRIORITY_FOREGROUND); - } - - private static void ensureThreadLocked() { - if (sInstance == null) { - sInstance = new UiThread(); - sInstance.start(); - sHandler = new Handler(sInstance.getLooper()); - sHandler.post(new Runnable() { - @Override - public void run() { - //Looper.myLooper().setMessageLogging(new LogPrinter( - // Log.VERBOSE, "WindowManagerPolicy", Log.LOG_ID_SYSTEM)); - android.os.Process.setCanSelfBackground(false); - - // For debug builds, log event loop stalls to dropbox for analysis. - if (StrictMode.conditionallyEnableDebugLogging()) { - Slog.i("UiThread", "Enabled StrictMode logging for UI thread"); - } - } - }); - } - } - - public static UiThread get() { - synchronized (UiThread.class) { - ensureThreadLocked(); - return sInstance; - } - } - - public static Handler getHandler() { - synchronized (UiThread.class) { - ensureThreadLocked(); - return sHandler; - } - } -} |