1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.tv.common.util;
18 
19 import java.util.HashMap;
20 import java.util.Map;
21 import java.util.concurrent.TimeUnit;
22 
23 /** A class only for help developers. */
24 public class Debug {
25     /**
26      * A threshold of start up time, when the start up time of TV app is more than it, a warning
27      * will show to the developer.
28      */
29     public static final long TIME_START_UP_DURATION_THRESHOLD = TimeUnit.SECONDS.toMillis(6);
30     /** Tag for measuring start up time of TV app. */
31     public static final String TAG_START_UP_TIMER = "start_up_timer";
32 
33     /** A global map for duration timers. */
34     private static final Map<String, DurationTimer> sTimerMap = new HashMap<>();
35 
36     /** Returns the global duration timer by tag. */
getTimer(String tag)37     public static DurationTimer getTimer(String tag) {
38         if (sTimerMap.get(tag) != null) {
39             return sTimerMap.get(tag);
40         }
41         DurationTimer timer = new DurationTimer(tag, true);
42         sTimerMap.put(tag, timer);
43         return timer;
44     }
45 
46     /** Removes the global duration timer by tag. */
removeTimer(String tag)47     public static DurationTimer removeTimer(String tag) {
48         return sTimerMap.remove(tag);
49     }
50 }
51