tests/robotests/src/com/android/settings/applications/InstalledAppCounterTest.java - platform/packages/apps/Settings - Git at Google

 /*
  * 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.Context;
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.content.pm.UserInfo;
 import android.os.UserHandle;
 import android.os.UserManager;

 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
 import com.android.settings.testutils.shadow.ShadowUserManager;

 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentMatcher;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.annotation.Config;
 import org.robolectric.shadows.ShadowApplication;

 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Set;

 import static com.android.settings.testutils.ApplicationTestUtils.buildInfo;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.argThat;
 import static org.mockito.Matchers.anyObject;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.atLeast;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
 import static org.mockito.Mockito.when;

 /**
  * Tests for {@link InstalledAppCounter}.
  */
 @RunWith(SettingsRobolectricTestRunner.class)
 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION,
         shadows = {ShadowUserManager.class})
 public final class InstalledAppCounterTest {

     private final String APP_1 = "app1";
     private final String APP_2 = "app2";
     private final String APP_3 = "app3";
     private final String APP_4 = "app4";
     private final String APP_5 = "app5";
     private final String APP_6 = "app6";

     private final int MAIN_USER_ID = 0;
     private final int MANAGED_PROFILE_ID = 10;

     private final int PER_USER_UID_RANGE = 100000;
     private final int MAIN_USER_APP_UID = MAIN_USER_ID * PER_USER_UID_RANGE;
     private final int MANAGED_PROFILE_APP_UID = MANAGED_PROFILE_ID * PER_USER_UID_RANGE;

     @Mock
     private UserManager mUserManager;
     @Mock
     private Context mContext;
     @Mock
     private PackageManagerWrapper mPackageManager;

     private int mInstalledAppCount = -1;
     private ApplicationInfo mApp1;
     private ApplicationInfo mApp2;
     private ApplicationInfo mApp3;
     private ApplicationInfo mApp4;
     private ApplicationInfo mApp5;
     private ApplicationInfo mApp6;

     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
         when(mContext.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);

         mApp1 = buildInfo(MAIN_USER_APP_UID, APP_1,
                 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 0 /* targetSdkVersion */);
         mApp2 = buildInfo(MAIN_USER_APP_UID, APP_2, 0 /* flags */,
                 0 /* targetSdkVersion */);
         mApp3 = buildInfo(MAIN_USER_APP_UID, APP_3, ApplicationInfo.FLAG_SYSTEM,
                 0 /* targetSdkVersion */);
         mApp4 = buildInfo(MAIN_USER_APP_UID, APP_4, ApplicationInfo.FLAG_SYSTEM,
                 0 /* targetSdkVersion */);
         mApp5 = buildInfo(MANAGED_PROFILE_APP_UID, APP_5, 0 /* flags */,
                 0 /* targetSdkVersion */);
         mApp6 = buildInfo(MANAGED_PROFILE_APP_UID, APP_6, ApplicationInfo.FLAG_SYSTEM,
                 0 /* targetSdkVersion */);
     }

     private void expectQueryIntentActivities(int userId, String packageName, boolean launchable) {
         when(mPackageManager.queryIntentActivitiesAsUser(
                 argThat(new IsLaunchIntentFor(packageName)),
                 eq(PackageManager.GET_DISABLED_COMPONENTS | PackageManager.MATCH_DIRECT_BOOT_AWARE
                         | PackageManager.MATCH_DIRECT_BOOT_UNAWARE),
                 eq(userId))).thenReturn(launchable ? Arrays.asList(new ResolveInfo())
                 : new ArrayList<ResolveInfo>());
     }

     private void testCountInstalledAppsAcrossAllUsers(boolean async) {
         // There are two users.
         when(mUserManager.getProfiles(UserHandle.myUserId())).thenReturn(Arrays.asList(
                 new UserInfo(MAIN_USER_ID, "main", UserInfo.FLAG_ADMIN),
                 new UserInfo(MANAGED_PROFILE_ID, "managed profile", 0)));
         configurePackageManager();

         // Count the number of all apps installed, irrespective of install reason.
         count(InstalledAppCounter.IGNORE_INSTALL_REASON, async);
         assertThat(mInstalledAppCount).isEqualTo(5);

         // Verify that installed packages were retrieved the current user and the user's managed
         // profile only.
         verify(mPackageManager).getInstalledApplicationsAsUser(anyInt(), eq(MAIN_USER_ID));
         verify(mPackageManager).getInstalledApplicationsAsUser(anyInt(),
                 eq(MANAGED_PROFILE_ID));
         verify(mPackageManager, atLeast(0)).queryIntentActivitiesAsUser(anyObject(), anyInt(),
                 anyInt());
         verifyNoMoreInteractions(mPackageManager);

         // Count once more, considering apps installed by enterprise policy only.
         count(PackageManager.INSTALL_REASON_POLICY, async);
         assertThat(mInstalledAppCount).isEqualTo(3);
     }

     @Test
     public void testIncludeInCount() {
         configurePackageManager();
         assertThat(InstalledAppCounter.includeInCount(InstalledAppCounter.IGNORE_INSTALL_REASON,
                 mPackageManager, mApp1)).isTrue();
         assertThat(InstalledAppCounter.includeInCount(InstalledAppCounter.IGNORE_INSTALL_REASON,
                 mPackageManager, mApp2)).isTrue();
         assertThat(InstalledAppCounter.includeInCount(InstalledAppCounter.IGNORE_INSTALL_REASON,
                 mPackageManager, mApp3)).isTrue();
         assertThat(InstalledAppCounter.includeInCount(InstalledAppCounter.IGNORE_INSTALL_REASON,
                 mPackageManager, mApp4)).isFalse();
         assertThat(InstalledAppCounter.includeInCount(InstalledAppCounter.IGNORE_INSTALL_REASON,
                 mPackageManager, mApp5)).isTrue();
         assertThat(InstalledAppCounter.includeInCount(InstalledAppCounter.IGNORE_INSTALL_REASON,
                 mPackageManager, mApp6)).isTrue();

         assertThat(InstalledAppCounter.includeInCount(PackageManager.INSTALL_REASON_POLICY,
                 mPackageManager, mApp1)).isTrue();
         assertThat(InstalledAppCounter.includeInCount(PackageManager.INSTALL_REASON_POLICY,
                 mPackageManager, mApp2)).isFalse();
         assertThat(InstalledAppCounter.includeInCount(PackageManager.INSTALL_REASON_POLICY,
                 mPackageManager, mApp3)).isTrue();
         assertThat(InstalledAppCounter.includeInCount(PackageManager.INSTALL_REASON_POLICY,
                 mPackageManager, mApp4)).isFalse();
         assertThat(InstalledAppCounter.includeInCount(PackageManager.INSTALL_REASON_POLICY,
                 mPackageManager, mApp5)).isTrue();
         assertThat(InstalledAppCounter.includeInCount(PackageManager.INSTALL_REASON_POLICY,
                 mPackageManager, mApp6)).isFalse();
     }

     @Test
     public void testCountInstalledAppsAcrossAllUsersSync() {
         testCountInstalledAppsAcrossAllUsers(false /* async */);
     }

     @Test
     public void testCountInstalledAppsAcrossAllUsersAsync() {
         testCountInstalledAppsAcrossAllUsers(true /* async */);
     }

     private void count(int installReason, boolean async) {
         mInstalledAppCount = -1;
         final InstalledAppCounterTestable counter = new InstalledAppCounterTestable(installReason);
         if (async) {
             counter.execute();
             // Wait for the background task to finish.
             ShadowApplication.runBackgroundTasks();
         } else {
             counter.executeInForeground();
         }
     }

     private void configurePackageManager() {
         // The first user has four apps installed:
         // * app1 is an updated system app. It should be counted.
         // * app2 is a user-installed app. It should be counted.
         // * app3 is a system app that provides a launcher icon. It should be counted.
         // * app4 is a system app that provides no launcher icon. It should not be counted.
         when(mPackageManager.getInstalledApplicationsAsUser(PackageManager.GET_DISABLED_COMPONENTS
                 | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS
                 | PackageManager.MATCH_ANY_USER,
                 MAIN_USER_ID)).thenReturn(Arrays.asList(mApp1, mApp2, mApp3, mApp4));
         // For system apps, InstalledAppCounter checks whether they handle the default launcher
         // intent to decide whether to include them in the count of installed apps or not.
         expectQueryIntentActivities(MAIN_USER_ID, APP_3, true /* launchable */);
         expectQueryIntentActivities(MAIN_USER_ID, APP_4, false /* launchable */);

         // app1, app3 and app4 are installed by enterprise policy.
         final UserHandle mainUser = new UserHandle(MAIN_USER_ID);
         when(mPackageManager.getInstallReason(APP_1, mainUser))
                 .thenReturn(PackageManager.INSTALL_REASON_POLICY);
         when(mPackageManager.getInstallReason(APP_2, mainUser))
                 .thenReturn(PackageManager.INSTALL_REASON_UNKNOWN);
         when(mPackageManager.getInstallReason(APP_3, mainUser))
                 .thenReturn(PackageManager.INSTALL_REASON_POLICY);
         when(mPackageManager.getInstallReason(APP_4, mainUser))
                 .thenReturn(PackageManager.INSTALL_REASON_POLICY);

         // The second user has two apps installed:
         // * app5 is a user-installed app. It should be counted.
         // * app6 is a system app that provides a launcher icon. It should be counted.
         when(mPackageManager.getInstalledApplicationsAsUser(PackageManager.GET_DISABLED_COMPONENTS
                 | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS,MANAGED_PROFILE_ID))
                 .thenReturn(Arrays.asList(mApp5, mApp6));
         expectQueryIntentActivities(MANAGED_PROFILE_ID, APP_6, true /* launchable */);

         // app5 is installed by enterprise policy.
         final UserHandle managedProfileUser = new UserHandle(MANAGED_PROFILE_ID);
         when(mPackageManager.getInstallReason(APP_5, managedProfileUser))
                 .thenReturn(PackageManager.INSTALL_REASON_POLICY);
         when(mPackageManager.getInstallReason(APP_6, managedProfileUser))
                 .thenReturn(PackageManager.INSTALL_REASON_UNKNOWN);
     }


     private class InstalledAppCounterTestable extends InstalledAppCounter {
         public InstalledAppCounterTestable(int installReason) {
             super(mContext, installReason, mPackageManager);
         }

         @Override
         protected void onCountComplete(int num) {
             mInstalledAppCount = num;
         }
     }

     private static class IsLaunchIntentFor extends ArgumentMatcher<Intent> {
         private final String mPackageName;

         IsLaunchIntentFor(String packageName) {
             mPackageName = packageName;
         }

         @Override
         public boolean matches(Object i) {
             final Intent intent = (Intent) i;
             if (intent == null) {
                 return false;
             }
             if (!Intent.ACTION_MAIN.equals(intent.getAction())) {
                 return false;
             }
             final Set<String> categories = intent.getCategories();
             if (categories == null || categories.size() != 1 ||
                     !categories.contains(Intent.CATEGORY_LAUNCHER)) {
                 return false;
             }
             if (!mPackageName.equals(intent.getPackage())) {
                 return false;
             }
             return true;
         }
     }
 }
	/*
	* 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.Context;
	import android.content.Intent;
	import android.content.pm.ApplicationInfo;
	import android.content.pm.PackageManager;
	import android.content.pm.ResolveInfo;
	import android.content.pm.UserInfo;
	import android.os.UserHandle;
	import android.os.UserManager;

	import com.android.settings.testutils.SettingsRobolectricTestRunner;
	import com.android.settings.TestConfig;
	import com.android.settings.testutils.shadow.ShadowUserManager;

	import org.junit.Before;
	import org.junit.Test;
	import org.junit.runner.RunWith;
	import org.mockito.ArgumentMatcher;
	import org.mockito.Mock;
	import org.mockito.MockitoAnnotations;
	import org.robolectric.annotation.Config;
	import org.robolectric.shadows.ShadowApplication;

	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Set;

	import static com.android.settings.testutils.ApplicationTestUtils.buildInfo;
	import static com.google.common.truth.Truth.assertThat;
	import static org.mockito.Matchers.anyInt;
	import static org.mockito.Matchers.argThat;
	import static org.mockito.Matchers.anyObject;
	import static org.mockito.Matchers.eq;
	import static org.mockito.Mockito.atLeast;
	import static org.mockito.Mockito.verify;
	import static org.mockito.Mockito.verifyNoMoreInteractions;
	import static org.mockito.Mockito.when;

	/**
	* Tests for {@link InstalledAppCounter}.
	*/
	@RunWith(SettingsRobolectricTestRunner.class)
	@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION,
	shadows = {ShadowUserManager.class})
	public final class InstalledAppCounterTest {

	private final String APP_1 = "app1";
	private final String APP_2 = "app2";
	private final String APP_3 = "app3";
	private final String APP_4 = "app4";
	private final String APP_5 = "app5";
	private final String APP_6 = "app6";

	private final int MAIN_USER_ID = 0;
	private final int MANAGED_PROFILE_ID = 10;

	private final int PER_USER_UID_RANGE = 100000;
	private final int MAIN_USER_APP_UID = MAIN_USER_ID * PER_USER_UID_RANGE;
	private final int MANAGED_PROFILE_APP_UID = MANAGED_PROFILE_ID * PER_USER_UID_RANGE;

	@Mock
	private UserManager mUserManager;
	@Mock
	private Context mContext;
	@Mock
	private PackageManagerWrapper mPackageManager;

	private int mInstalledAppCount = -1;
	private ApplicationInfo mApp1;
	private ApplicationInfo mApp2;
	private ApplicationInfo mApp3;
	private ApplicationInfo mApp4;
	private ApplicationInfo mApp5;
	private ApplicationInfo mApp6;

	@Before
	public void setUp() {
	MockitoAnnotations.initMocks(this);
	when(mContext.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);

	mApp1 = buildInfo(MAIN_USER_APP_UID, APP_1,
	ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 0 /* targetSdkVersion */);
	mApp2 = buildInfo(MAIN_USER_APP_UID, APP_2, 0 /* flags */,
	0 /* targetSdkVersion */);
	mApp3 = buildInfo(MAIN_USER_APP_UID, APP_3, ApplicationInfo.FLAG_SYSTEM,
	0 /* targetSdkVersion */);
	mApp4 = buildInfo(MAIN_USER_APP_UID, APP_4, ApplicationInfo.FLAG_SYSTEM,
	0 /* targetSdkVersion */);
	mApp5 = buildInfo(MANAGED_PROFILE_APP_UID, APP_5, 0 /* flags */,
	0 /* targetSdkVersion */);
	mApp6 = buildInfo(MANAGED_PROFILE_APP_UID, APP_6, ApplicationInfo.FLAG_SYSTEM,
	0 /* targetSdkVersion */);
	}

	private void expectQueryIntentActivities(int userId, String packageName, boolean launchable) {
	when(mPackageManager.queryIntentActivitiesAsUser(
	argThat(new IsLaunchIntentFor(packageName)),
	eq(PackageManager.GET_DISABLED_COMPONENTS \| PackageManager.MATCH_DIRECT_BOOT_AWARE
	\| PackageManager.MATCH_DIRECT_BOOT_UNAWARE),
	eq(userId))).thenReturn(launchable ? Arrays.asList(new ResolveInfo())
	: new ArrayList<ResolveInfo>());
	}

	private void testCountInstalledAppsAcrossAllUsers(boolean async) {
	// There are two users.
	when(mUserManager.getProfiles(UserHandle.myUserId())).thenReturn(Arrays.asList(
	new UserInfo(MAIN_USER_ID, "main", UserInfo.FLAG_ADMIN),
	new UserInfo(MANAGED_PROFILE_ID, "managed profile", 0)));
	configurePackageManager();

	// Count the number of all apps installed, irrespective of install reason.
	count(InstalledAppCounter.IGNORE_INSTALL_REASON, async);
	assertThat(mInstalledAppCount).isEqualTo(5);

	// Verify that installed packages were retrieved the current user and the user's managed
	// profile only.
	verify(mPackageManager).getInstalledApplicationsAsUser(anyInt(), eq(MAIN_USER_ID));
	verify(mPackageManager).getInstalledApplicationsAsUser(anyInt(),
	eq(MANAGED_PROFILE_ID));
	verify(mPackageManager, atLeast(0)).queryIntentActivitiesAsUser(anyObject(), anyInt(),
	anyInt());
	verifyNoMoreInteractions(mPackageManager);

	// Count once more, considering apps installed by enterprise policy only.
	count(PackageManager.INSTALL_REASON_POLICY, async);
	assertThat(mInstalledAppCount).isEqualTo(3);
	}

	@Test
	public void testIncludeInCount() {
	configurePackageManager();
	assertThat(InstalledAppCounter.includeInCount(InstalledAppCounter.IGNORE_INSTALL_REASON,
	mPackageManager, mApp1)).isTrue();
	assertThat(InstalledAppCounter.includeInCount(InstalledAppCounter.IGNORE_INSTALL_REASON,
	mPackageManager, mApp2)).isTrue();
	assertThat(InstalledAppCounter.includeInCount(InstalledAppCounter.IGNORE_INSTALL_REASON,
	mPackageManager, mApp3)).isTrue();
	assertThat(InstalledAppCounter.includeInCount(InstalledAppCounter.IGNORE_INSTALL_REASON,
	mPackageManager, mApp4)).isFalse();
	assertThat(InstalledAppCounter.includeInCount(InstalledAppCounter.IGNORE_INSTALL_REASON,
	mPackageManager, mApp5)).isTrue();
	assertThat(InstalledAppCounter.includeInCount(InstalledAppCounter.IGNORE_INSTALL_REASON,
	mPackageManager, mApp6)).isTrue();

	assertThat(InstalledAppCounter.includeInCount(PackageManager.INSTALL_REASON_POLICY,
	mPackageManager, mApp1)).isTrue();
	assertThat(InstalledAppCounter.includeInCount(PackageManager.INSTALL_REASON_POLICY,
	mPackageManager, mApp2)).isFalse();
	assertThat(InstalledAppCounter.includeInCount(PackageManager.INSTALL_REASON_POLICY,
	mPackageManager, mApp3)).isTrue();
	assertThat(InstalledAppCounter.includeInCount(PackageManager.INSTALL_REASON_POLICY,
	mPackageManager, mApp4)).isFalse();
	assertThat(InstalledAppCounter.includeInCount(PackageManager.INSTALL_REASON_POLICY,
	mPackageManager, mApp5)).isTrue();
	assertThat(InstalledAppCounter.includeInCount(PackageManager.INSTALL_REASON_POLICY,
	mPackageManager, mApp6)).isFalse();
	}

	@Test
	public void testCountInstalledAppsAcrossAllUsersSync() {
	testCountInstalledAppsAcrossAllUsers(false /* async */);
	}

	@Test
	public void testCountInstalledAppsAcrossAllUsersAsync() {
	testCountInstalledAppsAcrossAllUsers(true /* async */);
	}

	private void count(int installReason, boolean async) {
	mInstalledAppCount = -1;
	final InstalledAppCounterTestable counter = new InstalledAppCounterTestable(installReason);
	if (async) {
	counter.execute();
	// Wait for the background task to finish.
	ShadowApplication.runBackgroundTasks();
	} else {
	counter.executeInForeground();
	}
	}

	private void configurePackageManager() {
	// The first user has four apps installed:
	// * app1 is an updated system app. It should be counted.
	// * app2 is a user-installed app. It should be counted.
	// * app3 is a system app that provides a launcher icon. It should be counted.
	// * app4 is a system app that provides no launcher icon. It should not be counted.
	when(mPackageManager.getInstalledApplicationsAsUser(PackageManager.GET_DISABLED_COMPONENTS
	\| PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS
	\| PackageManager.MATCH_ANY_USER,
	MAIN_USER_ID)).thenReturn(Arrays.asList(mApp1, mApp2, mApp3, mApp4));
	// For system apps, InstalledAppCounter checks whether they handle the default launcher
	// intent to decide whether to include them in the count of installed apps or not.
	expectQueryIntentActivities(MAIN_USER_ID, APP_3, true /* launchable */);
	expectQueryIntentActivities(MAIN_USER_ID, APP_4, false /* launchable */);

	// app1, app3 and app4 are installed by enterprise policy.
	final UserHandle mainUser = new UserHandle(MAIN_USER_ID);
	when(mPackageManager.getInstallReason(APP_1, mainUser))
	.thenReturn(PackageManager.INSTALL_REASON_POLICY);
	when(mPackageManager.getInstallReason(APP_2, mainUser))
	.thenReturn(PackageManager.INSTALL_REASON_UNKNOWN);
	when(mPackageManager.getInstallReason(APP_3, mainUser))
	.thenReturn(PackageManager.INSTALL_REASON_POLICY);
	when(mPackageManager.getInstallReason(APP_4, mainUser))
	.thenReturn(PackageManager.INSTALL_REASON_POLICY);

	// The second user has two apps installed:
	// * app5 is a user-installed app. It should be counted.
	// * app6 is a system app that provides a launcher icon. It should be counted.
	when(mPackageManager.getInstalledApplicationsAsUser(PackageManager.GET_DISABLED_COMPONENTS
	\| PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS,MANAGED_PROFILE_ID))
	.thenReturn(Arrays.asList(mApp5, mApp6));
	expectQueryIntentActivities(MANAGED_PROFILE_ID, APP_6, true /* launchable */);

	// app5 is installed by enterprise policy.
	final UserHandle managedProfileUser = new UserHandle(MANAGED_PROFILE_ID);
	when(mPackageManager.getInstallReason(APP_5, managedProfileUser))
	.thenReturn(PackageManager.INSTALL_REASON_POLICY);
	when(mPackageManager.getInstallReason(APP_6, managedProfileUser))
	.thenReturn(PackageManager.INSTALL_REASON_UNKNOWN);
	}


	private class InstalledAppCounterTestable extends InstalledAppCounter {
	public InstalledAppCounterTestable(int installReason) {
	super(mContext, installReason, mPackageManager);
	}

	@Override
	protected void onCountComplete(int num) {
	mInstalledAppCount = num;
	}
	}

	private static class IsLaunchIntentFor extends ArgumentMatcher<Intent> {
	private final String mPackageName;

	IsLaunchIntentFor(String packageName) {
	mPackageName = packageName;
	}

	@Override
	public boolean matches(Object i) {
	final Intent intent = (Intent) i;
	if (intent == null) {
	return false;
	}
	if (!Intent.ACTION_MAIN.equals(intent.getAction())) {
	return false;
	}
	final Set<String> categories = intent.getCategories();
	if (categories == null \|\| categories.size() != 1 \|\|
	!categories.contains(Intent.CATEGORY_LAUNCHER)) {
	return false;
	}
	if (!mPackageName.equals(intent.getPackage())) {
	return false;
	}
	return true;
	}
	}
	}