1 /*
2  * Copyright (C) 2017 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 package com.android.tradefed.suite.checker;
17 
18 import com.android.tradefed.device.DeviceNotAvailableException;
19 import com.android.tradefed.device.ITestDevice;
20 import com.android.tradefed.log.ITestLogger;
21 import com.android.tradefed.log.LogUtil.CLog;
22 import com.android.tradefed.result.ITestLoggerReceiver;
23 import com.android.tradefed.result.InputStreamSource;
24 import com.android.tradefed.result.LogDataType;
25 import com.android.tradefed.suite.checker.StatusCheckerResult.CheckStatus;
26 import com.android.tradefed.util.StreamUtil;
27 
28 /** Status checker for left over activities running at the end of a module. */
29 public class ActivityStatusChecker implements ISystemStatusChecker, ITestLoggerReceiver {
30 
31     private ITestLogger mLogger;
32 
33     @Override
postExecutionCheck(ITestDevice device)34     public StatusCheckerResult postExecutionCheck(ITestDevice device)
35             throws DeviceNotAvailableException {
36         return isFrontActivityLauncher(device);
37     }
38 
isFrontActivityLauncher(ITestDevice device)39     private StatusCheckerResult isFrontActivityLauncher(ITestDevice device)
40             throws DeviceNotAvailableException {
41         StatusCheckerResult result = new StatusCheckerResult();
42         // For API >= 29, `dumpsys window windows` is deprecated, use `displays` instead
43         String output = "";
44         int apiLevel = device.getApiLevel();
45         if (apiLevel >= 29) {
46             output =
47                     device.executeShellCommand(
48                             "dumpsys window displays | grep -E 'mCurrentFocus|mFocusedApp'");
49             CLog.d("dumpsys window displays: %s", output);
50         } else {
51             output =
52                     device.executeShellCommand(
53                             "dumpsys window windows | grep -E 'mCurrentFocus|mFocusedApp'");
54             CLog.d("dumpsys window windows: %s", output);
55         }
56         if (output.contains("Launcher")) {
57             result.setStatus(CheckStatus.SUCCESS);
58             return result;
59         } else {
60             InputStreamSource screen = device.getScreenshot("JPEG");
61             try {
62                 mLogger.testLog("status_checker_front_activity", LogDataType.JPEG, screen);
63             } finally {
64                 StreamUtil.cancel(screen);
65             }
66             // TODO: Add a step to return to home page, or refresh the device (reboot?)
67             result.setStatus(CheckStatus.FAILED);
68             result.setBugreportNeeded(true);
69             result.setErrorMessage("Launcher activity is not in front.");
70             return result;
71         }
72     }
73 
74     @Override
setTestLogger(ITestLogger testLogger)75     public void setTestLogger(ITestLogger testLogger) {
76         mLogger = testLogger;
77     }
78 }
79