import android.os.UserManager;
import android.provider.Settings;
import android.service.notification.NotificationListenerService.Ranking;
+import android.support.annotation.VisibleForTesting;
import android.support.v7.preference.Preference;
import android.support.v7.preference.Preference.OnPreferenceClickListener;
import android.support.v7.preference.PreferenceCategory;
showIt = false;
} else if (mUserManager.getUsers().size() < 2) {
showIt = false;
+ } else if (PackageUtil.countPackageInUsers(mPm, mUserManager, mPackageName) < 2) {
+ showIt = false;
}
menu.findItem(UNINSTALL_ALL_USERS_MENU).setVisible(showIt);
mUpdatedSysApp = (mAppEntry.info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
}
}
+ /**
+ * Elicit this class for testing. Test cannot be done in robolectric because it
+ * invokes the new API.
+ */
+ @VisibleForTesting
+ public static class PackageUtil {
+ /**
+ * Count how many users in device have installed package {@paramref packageName}
+ */
+ public static int countPackageInUsers(PackageManager packageManager, UserManager
+ userManager, String packageName) {
+ final List<UserInfo> userInfos = userManager.getUsers(true);
+ int count = 0;
+
+ for (final UserInfo userInfo : userInfos) {
+ try {
+ // Use this API to check whether user has this package
+ final ApplicationInfo info = packageManager.getApplicationInfoAsUser(
+ packageName, PackageManager.GET_META_DATA, userInfo.id);
+ if ((info.flags & ApplicationInfo.FLAG_INSTALLED) != 0) {
+ count++;
+ }
+ } catch(NameNotFoundException e) {
+ Log.e(TAG, "Package: " + packageName + " not found for user: " + userInfo.id);
+ }
+ }
+
+ return count;
+ }
+ }
+
private static class DisableChanger extends AsyncTask<Object, Object, Object> {
final PackageManager mPm;
final WeakReference<InstalledAppDetails> mActivity;
--- /dev/null
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.applications;
+
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.UserInfo;
+import android.os.UserManager;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static junit.framework.Assert.assertEquals;
+import static org.mockito.Mockito.when;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class PackageUtilTest {
+ private static final String ALL_USERS_APP_NAME = "com.google.allusers.app";
+ private static final String ONE_USER_APP_NAME = "com.google.oneuser.app";
+ private static final int USER1_ID = 1;
+ private static final int USER2_ID = 11;
+
+ @Mock
+ private PackageManager mMockPackageManager;
+ @Mock
+ private UserManager mMockUserManager;
+
+ private InstalledAppDetails.PackageUtil mPackageUtil;
+ private List<UserInfo> mUserInfos;
+
+ @Before
+ public void setUp() throws PackageManager.NameNotFoundException {
+ MockitoAnnotations.initMocks(this);
+
+ mUserInfos = new ArrayList<>();
+ mUserInfos.add(new UserInfo(USER1_ID, "lei", 0));
+ mUserInfos.add(new UserInfo(USER2_ID, "yue", 0));
+ when(mMockUserManager.getUsers(true)).thenReturn(mUserInfos);
+
+ ApplicationInfo usersApp = new ApplicationInfo();
+ usersApp.flags = ApplicationInfo.FLAG_INSTALLED;
+
+ when(mMockPackageManager.getApplicationInfoAsUser(
+ ALL_USERS_APP_NAME, PackageManager.GET_META_DATA, USER1_ID))
+ .thenReturn(usersApp);
+ when(mMockPackageManager.getApplicationInfoAsUser(
+ ALL_USERS_APP_NAME, PackageManager.GET_META_DATA, USER2_ID))
+ .thenReturn(usersApp);
+
+ when(mMockPackageManager.getApplicationInfoAsUser(
+ ONE_USER_APP_NAME, PackageManager.GET_META_DATA, USER1_ID))
+ .thenReturn(usersApp);
+
+ when(mMockPackageManager.getApplicationInfoAsUser(
+ ONE_USER_APP_NAME, PackageManager.GET_META_DATA, USER2_ID))
+ .thenThrow(new PackageManager.NameNotFoundException());
+
+ mPackageUtil = new InstalledAppDetails.PackageUtil();
+ }
+
+ @Test
+ public void testCountPackageInUsers_twoUsersInstalled_returnTwo() {
+ assertEquals(2, mPackageUtil.countPackageInUsers(
+ mMockPackageManager, mMockUserManager, ALL_USERS_APP_NAME));
+ }
+
+ @Test
+ public void testCountPackageInUsers_oneUsersInstalled_returnOne() {
+ assertEquals(1, mPackageUtil.countPackageInUsers(
+ mMockPackageManager, mMockUserManager, ONE_USER_APP_NAME));
+ }
+}