1 /*
2  * Copyright (C) 2019 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.cts.install.lib;
18 
19 import android.content.Context;
20 import android.content.pm.PackageInstaller;
21 import android.content.pm.PackageManager;
22 
23 import androidx.test.InstrumentationRegistry;
24 
25 /**
26  * Helper class for uninstalling test apps.
27  */
28 public class Uninstall {
29     /**
30      * Uninstalls all of the given packages.
31      * Does nothing if the package is not installed or installed on /system
32      */
packages(String... packageNames)33     public static void packages(String... packageNames) throws InterruptedException {
34         for (String pkg : packageNames) {
35             uninstallSinglePackage(pkg);
36         }
37     }
38 
uninstallSinglePackage(String packageName)39     private static void uninstallSinglePackage(String packageName) throws InterruptedException {
40         // No need to uninstall if the package isn't installed.
41         if (InstallUtils.getInstalledVersion(packageName) == -1
42                 || InstallUtils.isSystemAppWithoutUpdate(packageName)) {
43             return;
44         }
45 
46         Context context = InstrumentationRegistry.getContext();
47         PackageManager packageManager = context.getPackageManager();
48         PackageInstaller packageInstaller = packageManager.getPackageInstaller();
49         packageInstaller.uninstall(packageName, LocalIntentSender.getIntentSender());
50         InstallUtils.assertStatusSuccess(LocalIntentSender.getIntentSenderResult());
51     }
52 }
53