1 /*
<lambda>null2  * Copyright 2022 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 androidx.benchmark.integration.macrobenchmark.target
18 
19 import android.content.Context
20 import android.os.Build
21 import android.os.Bundle
22 import android.util.Log
23 import android.widget.TextView
24 import androidx.appcompat.app.AppCompatActivity
25 import androidx.tracing.trace
26 import androidx.work.OneTimeWorkRequestBuilder
27 import androidx.work.OutOfQuotaPolicy
28 import androidx.work.WorkInfo
29 import androidx.work.WorkManager
30 import java.util.concurrent.CountDownLatch
31 import kotlin.concurrent.thread
32 
33 class BackgroundWorkActivity : AppCompatActivity() {
34     override fun onCreate(savedInstanceState: Bundle?) {
35         super.onCreate(savedInstanceState)
36         setContentView(R.layout.activity_main)
37 
38         val notice = findViewById<TextView>(R.id.txtNotice)
39         notice.setText(R.string.app_notice)
40 
41         startWork(this)
42     }
43 
44     private fun startWork(context: Context) {
45         val count = 20
46         var countDownLatch = CountDownLatch(count)
47 
48         for (i in 0 until count) {
49             var workRequest =
50                 OneTimeWorkRequestBuilder<NoOpWorker>()
51                     .setExpedited(OutOfQuotaPolicy.RUN_AS_NON_EXPEDITED_WORK_REQUEST)
52                     .build()
53             WorkManager.getInstance(context).beginWith(workRequest).enqueue()
54             WorkManager.getInstance(context).getWorkInfoByIdLiveData(workRequest.id).observe(
55                 this
56             ) { workInfo ->
57                 if (workInfo?.state == WorkInfo.State.SUCCEEDED) {
58                     countDownLatch.countDown()
59                 }
60             }
61         }
62     }
63 
64     override fun onResume() {
65         super.onResume()
66 
67         if (Build.VERSION.SDK_INT <= 23) {
68             // temporary logging/tracing to debug b/204572406
69             Log.d("Benchmark", "onResume")
70             trace("onResume") {}
71         }
72     }
73 
74     init {
75         if (Build.VERSION.SDK_INT <= 23) {
76             // temporary tracing to debug b/204572406
77             thread {
78                 while (true) {
79                     trace("tracing") { Thread.sleep(50) }
80                 }
81             }
82         }
83     }
84 }
85