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 17 package com.android.compatibility.common.util; 18 19 import com.android.tradefed.device.DeviceNotAvailableException; 20 import com.android.tradefed.device.ITestDevice; 21 import com.android.tradefed.device.PackageInfo; 22 23 /** 24 * Host-side utility class for PackageManager-related operations 25 */ 26 public class PackageUtil { 27 28 /** Returns true if a package with the given name exists on the device */ 29 public static boolean exists(ITestDevice device, String packageName) 30 throws DeviceNotAvailableException { 31 return device.getInstalledPackageNames().contains(packageName); 32 } 33 34 /** Returns true if the app for the given package name is a system app for this device */ 35 public static boolean isSystemApp(ITestDevice device, String packageName) 36 throws DeviceNotAvailableException { 37 PackageInfo info = device.getAppPackageInfo(packageName); 38 return (info != null) && info.isSystemApp(); 39 } 40 41 /** Returns the version string of the package name, or null if the package can't be found */ 42 public static String getVersionString(ITestDevice device, String packageName) 43 throws DeviceNotAvailableException { 44 PackageInfo info = device.getAppPackageInfo(packageName); 45 return (info != null) ? info.getVersionName() : null; 46 } 47 } 48
