DO Disclosure: add UI that lists apps that were managed by owner:

- had permissions granted by admin
- were installed by owner via policy

Bug: 32692748
Test: m RunSettingsRoboTests
Change-Id: I365e2f8f351671e68f83cceb7c0ca241d7a5a588
Merged-In: I365e2f8f351671e68f83cceb7c0ca241d7a5a588
(cherry picked from commit 60b2960cbb)

src/com/android/settings/applications/AppLister.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2017 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.AsyncTask;
+import android.os.UserHandle;
+import android.os.UserManager;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Lists apps for current user that fit some criteria specified by includeInCount method
+ * implementation.
+ * This class is similar to {@link AppCounter} class, but but builds actual list of apps instead
+ * of just counting them.
+ */
+public abstract class AppLister extends AsyncTask<Void, Void, List<UserAppInfo>> {
+    protected final PackageManagerWrapper mPm;
+    protected final UserManager mUm;
+
+    public AppLister(PackageManagerWrapper packageManager, UserManager userManager) {
+        mPm = packageManager;
+        mUm = userManager;
+    }
+
+    @Override
+    protected List<UserAppInfo> doInBackground(Void... params) {
+        final List<UserAppInfo> result = new ArrayList<>();
+        for (UserInfo user : mUm.getProfiles(UserHandle.myUserId())) {
+            final List<ApplicationInfo> list =
+                    mPm.getInstalledApplicationsAsUser(PackageManager.GET_DISABLED_COMPONENTS
+                            | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS
+                            | (user.isAdmin() ? PackageManager.MATCH_ANY_USER : 0),
+                            user.id);
+            for (ApplicationInfo info : list) {
+                if (includeInCount(info)) {
+                    result.add(new UserAppInfo(user, info));
+                }
+            }
+        }
+        return result;
+    }
+
+    @Override
+    protected void onPostExecute(List<UserAppInfo> list) {
+        onAppListBuilt(list);
+    }
+
+    protected abstract void onAppListBuilt(List<UserAppInfo> list);
+    protected abstract boolean includeInCount(ApplicationInfo info);
+}

src/com/android/settings/applications/AppWithAdminGrantedPermissionsCounter.java

@@ -31,7 +31,6 @@ import com.android.settings.enterprise.DevicePolicyManagerWrapper;
 public abstract class AppWithAdminGrantedPermissionsCounter extends AppCounter {
 
     private final String[] mPermissions;
-    private final PackageManagerWrapper mPackageManager;
     private final IPackageManagerWrapper mPackageManagerService;
     private final DevicePolicyManagerWrapper mDevicePolicyManager;
 
@@ -40,18 +39,24 @@ public abstract class AppWithAdminGrantedPermissionsCounter extends AppCounter {
             DevicePolicyManagerWrapper devicePolicyManager) {
         super(context, packageManager);
         mPermissions = permissions;
-        mPackageManager = packageManager;
         mPackageManagerService = packageManagerService;
         mDevicePolicyManager = devicePolicyManager;
     }
 
     @Override
     protected boolean includeInCount(ApplicationInfo info) {
+        return includeInCount(mPermissions, mDevicePolicyManager, mPm, mPackageManagerService,
+                info);
+    }
+
+    public static boolean includeInCount(String[] permissions,
+            DevicePolicyManagerWrapper devicePolicyManager, PackageManagerWrapper packageManager,
+            IPackageManagerWrapper packageManagerService, ApplicationInfo info) {
         if (info.targetSdkVersion >= Build.VERSION_CODES.M) {
             // The app uses run-time permissions. Check whether one or more of the permissions were
             // granted by enterprise policy.
-            for (final String permission : mPermissions) {
-                if (mDevicePolicyManager.getPermissionGrantState(null /* admin */, info.packageName,
+            for (final String permission : permissions) {
+                if (devicePolicyManager.getPermissionGrantState(null /* admin */, info.packageName,
                         permission) == DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED) {
                     return true;
                 }
@@ -61,14 +66,14 @@ public abstract class AppWithAdminGrantedPermissionsCounter extends AppCounter {
 
         // The app uses install-time permissions. Check whether the app requested one or more of the
         // permissions and was installed by enterprise policy, implicitly granting permissions.
-        if (mPackageManager.getInstallReason(info.packageName,
+        if (packageManager.getInstallReason(info.packageName,
                 new UserHandle(UserHandle.getUserId(info.uid)))
                         != PackageManager.INSTALL_REASON_POLICY) {
             return false;
         }
         try {
-            for (final String permission : mPermissions) {
-                if (mPackageManagerService.checkUidPermission(permission, info.uid)
+            for (final String permission : permissions) {
+                if (packageManagerService.checkUidPermission(permission, info.uid)
                         == PackageManager.PERMISSION_GRANTED) {
                     return true;
                 }

src/com/android/settings/applications/AppWithAdminGrantedPermissionsLister.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2017 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.os.UserManager;
+import com.android.settings.enterprise.DevicePolicyManagerWrapper;
+
+/**
+ * Lists installed apps across all users that have been granted one or more specific permissions by
+ * the admin.
+ */
+public abstract class AppWithAdminGrantedPermissionsLister extends AppLister {
+    private final String[] mPermissions;
+    private final IPackageManagerWrapper mPackageManagerService;
+    private final DevicePolicyManagerWrapper mDevicePolicyManager;
+
+    public AppWithAdminGrantedPermissionsLister(String[] permissions,
+            PackageManagerWrapper packageManager, IPackageManagerWrapper packageManagerService,
+            DevicePolicyManagerWrapper devicePolicyManager, UserManager userManager) {
+        super(packageManager, userManager);
+        mPermissions = permissions;
+        mPackageManagerService = packageManagerService;
+        mDevicePolicyManager = devicePolicyManager;
+    }
+
+    @Override
+    protected boolean includeInCount(ApplicationInfo info) {
+        return AppWithAdminGrantedPermissionsCounter.includeInCount(mPermissions,
+                mDevicePolicyManager, mPm, mPackageManagerService, info);
+    }
+}

src/com/android/settings/applications/ApplicationFeatureProvider.java

@@ -22,6 +22,7 @@ import android.app.Fragment;
 import android.content.Intent;
 import android.view.View;
 
+import java.util.List;
 import java.util.Set;
 
 public interface ApplicationFeatureProvider {
@@ -48,6 +49,14 @@ public interface ApplicationFeatureProvider {
      */
     void calculateNumberOfPolicyInstalledApps(boolean async, NumberOfAppsCallback callback);
 
+    /**
+     * Asynchronously builds the list of apps installed on the device via policy in the current user
+     * and all its managed profiles.
+     *
+     * @param callback The callback to invoke with the result
+     */
+    void listPolicyInstalledApps(ListOfAppsCallback callback);
+
     /**
      * Asynchronously calculates the total number of apps installed in the current user and all its
      * managed profiles that have been granted one or more of the given permissions by the admin.
@@ -60,6 +69,16 @@ public interface ApplicationFeatureProvider {
     void calculateNumberOfAppsWithAdminGrantedPermissions(String[] permissions, boolean async,
             NumberOfAppsCallback callback);
 
+    /**
+     * Asynchronously builds the list of apps installed in the current user and all its
+     * managed profiles that have been granted one or more of the given permissions by the admin.
+     *
+     * @param permissions Only consider apps that have been granted one or more of these permissions
+     *        by the admin, either at run-time or install-time
+     * @param callback The callback to invoke with the result
+     */
+    void listAppsWithAdminGrantedPermissions(String[] permissions, ListOfAppsCallback callback);
+
     /**
      * Return the persistent preferred activities configured by the admin for the current user and
      * all its managed profiles. A persistent preferred activity is an activity that the admin
@@ -79,6 +98,13 @@ public interface ApplicationFeatureProvider {
         void onNumberOfAppsResult(int num);
     }
 
+    /**
+     * Callback that receives the list of packages installed on the device.
+     */
+    interface ListOfAppsCallback {
+        void onListOfAppsResult(List<UserAppInfo> result);
+    }
+
     public static class PersistentPreferredActivityInfo {
         public final String packageName;
         public final int userId;

src/com/android/settings/applications/ApplicationFeatureProviderImpl.java

@@ -73,6 +73,13 @@ public class ApplicationFeatureProviderImpl implements ApplicationFeatureProvide
         }
     }
 
+    @Override
+    public void listPolicyInstalledApps(ListOfAppsCallback callback) {
+        final CurrentUserPolicyInstalledAppLister lister =
+                new CurrentUserPolicyInstalledAppLister(mPm, mUm, callback);
+        lister.execute();
+    }
+
     @Override
     public void calculateNumberOfAppsWithAdminGrantedPermissions(String[] permissions,
             boolean async, NumberOfAppsCallback callback) {
@@ -86,6 +93,15 @@ public class ApplicationFeatureProviderImpl implements ApplicationFeatureProvide
         }
     }
 
+    @Override
+    public void listAppsWithAdminGrantedPermissions(String[] permissions,
+            ListOfAppsCallback callback) {
+        final CurrentUserAppWithAdminGrantedPermissionsLister lister =
+                new CurrentUserAppWithAdminGrantedPermissionsLister(permissions, mPm, mPms, mDpm,
+                        mUm, callback);
+        lister.execute();
+    }
+
     @Override
     public Set<PersistentPreferredActivityInfo> findPersistentPreferredActivities(
             Intent[] intents) {
@@ -152,4 +168,39 @@ public class ApplicationFeatureProviderImpl implements ApplicationFeatureProvide
             mCallback.onNumberOfAppsResult(num);
         }
     }
+
+    private static class CurrentUserPolicyInstalledAppLister extends InstalledAppLister {
+        private ListOfAppsCallback mCallback;
+
+        CurrentUserPolicyInstalledAppLister(PackageManagerWrapper packageManager,
+                UserManager userManager, ListOfAppsCallback callback) {
+            super(packageManager, userManager);
+            mCallback = callback;
+        }
+
+        @Override
+        protected void onAppListBuilt(List<UserAppInfo> list) {
+            mCallback.onListOfAppsResult(list);
+        }
+    }
+
+    private static class CurrentUserAppWithAdminGrantedPermissionsLister extends
+            AppWithAdminGrantedPermissionsLister {
+        private ListOfAppsCallback mCallback;
+
+        CurrentUserAppWithAdminGrantedPermissionsLister(String[] permissions,
+                PackageManagerWrapper packageManager, IPackageManagerWrapper packageManagerService,
+                DevicePolicyManagerWrapper devicePolicyManager, UserManager userManager,
+                ListOfAppsCallback callback) {
+            super(permissions, packageManager, packageManagerService, devicePolicyManager,
+                    userManager);
+            mCallback = callback;
+        }
+
+        @Override
+        protected void onAppListBuilt(List<UserAppInfo> list) {
+            mCallback.onListOfAppsResult(list);
+        }
+    }
+
 }

src/com/android/settings/applications/InstalledAppCounter.java

@@ -31,21 +31,24 @@ public abstract class InstalledAppCounter extends AppCounter {
     public static final int IGNORE_INSTALL_REASON = -1;
 
     private final int mInstallReason;
-    private final PackageManagerWrapper mPackageManager;
 
     public InstalledAppCounter(Context context, int installReason,
             PackageManagerWrapper packageManager) {
         super(context, packageManager);
         mInstallReason = installReason;
-        mPackageManager = packageManager;
     }
 
     @Override
     protected boolean includeInCount(ApplicationInfo info) {
+        return includeInCount(mInstallReason, mPm, info);
+    }
+
+    public static boolean includeInCount(int installReason, PackageManagerWrapper pm,
+            ApplicationInfo info) {
         final int userId = UserHandle.getUserId(info.uid);
-        if (mInstallReason != IGNORE_INSTALL_REASON
-                && mPackageManager.getInstallReason(info.packageName,
-                        new UserHandle(userId)) != mInstallReason) {
+        if (installReason != IGNORE_INSTALL_REASON
+                && pm.getInstallReason(info.packageName,
+                        new UserHandle(userId)) != installReason) {
             return false;
         }
         if ((info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0) {
@@ -57,7 +60,7 @@ public abstract class InstalledAppCounter extends AppCounter {
         Intent launchIntent = new Intent(Intent.ACTION_MAIN, null)
                 .addCategory(Intent.CATEGORY_LAUNCHER)
                 .setPackage(info.packageName);
-        List<ResolveInfo> intents = mPm.queryIntentActivitiesAsUser(
+        List<ResolveInfo> intents = pm.queryIntentActivitiesAsUser(
                 launchIntent,
                 PackageManager.GET_DISABLED_COMPONENTS
                         | PackageManager.MATCH_DIRECT_BOOT_AWARE

src/com/android/settings/applications/InstalledAppLister.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2017 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.os.UserManager;
+
+public abstract class InstalledAppLister extends AppLister {
+
+    public InstalledAppLister(PackageManagerWrapper packageManager,
+            UserManager userManager) {
+        super(packageManager, userManager);
+    }
+
+    @Override
+    protected boolean includeInCount(ApplicationInfo info) {
+        return InstalledAppCounter.includeInCount(PackageManager.INSTALL_REASON_POLICY, mPm, info);
+    }
+}

src/com/android/settings/applications/UserAppInfo.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2017 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.UserInfo;
+import android.text.TextUtils;
+
+import java.util.Objects;
+
+/**
+ * Simple class for bringing together information about application and user for which it was
+ * installed.
+ */
+public class UserAppInfo {
+    public final UserInfo userInfo;
+    public final ApplicationInfo appInfo;
+
+    public UserAppInfo(UserInfo mUserInfo, ApplicationInfo mAppInfo) {
+        this.userInfo = mUserInfo;
+        this.appInfo = mAppInfo;
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        if (other == this) {
+            return true;
+        }
+        if (other == null || getClass() != other.getClass()) {
+            return false;
+        }
+
+        final UserAppInfo that = (UserAppInfo) other;
+
+        return that.userInfo.id == userInfo.id && TextUtils.equals(that.appInfo.packageName,
+                appInfo.packageName);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(userInfo.id, appInfo.packageName);
+    }
+}

src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerBase.java

@@ -16,7 +16,6 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.content.Intent;
 import android.support.v7.preference.Preference;
 
 import com.android.settings.R;
@@ -32,6 +31,7 @@ public abstract class AdminGrantedPermissionsPreferenceControllerBase
     private final String mPermissionGroup;
     private final ApplicationFeatureProvider mFeatureProvider;
     private final boolean mAsync;
+    private boolean mHasApps;
 
     public AdminGrantedPermissionsPreferenceControllerBase(Context context, Lifecycle lifecycle,
             boolean async, String[] permissions, String permissionGroup) {
@@ -41,6 +41,7 @@ public abstract class AdminGrantedPermissionsPreferenceControllerBase
         mFeatureProvider = FeatureFactory.getFactory(context)
                 .getApplicationFeatureProvider(context);
         mAsync = async;
+        mHasApps = false;
     }
 
     @Override
@@ -50,11 +51,13 @@ public abstract class AdminGrantedPermissionsPreferenceControllerBase
                 (num) -> {
                     if (num == 0) {
                         preference.setVisible(false);
+                        mHasApps = false;
                     } else {
                         preference.setVisible(true);
                         preference.setSummary(mContext.getResources().getQuantityString(
                                 R.plurals.enterprise_privacy_number_packages_lower_bound,
                                 num, num));
+                        mHasApps = true;
                     }
                 });
     }
@@ -76,7 +79,8 @@ public abstract class AdminGrantedPermissionsPreferenceControllerBase
         final Boolean[] haveAppsWithAdminGrantedPermissions = { null };
         mFeatureProvider.calculateNumberOfAppsWithAdminGrantedPermissions(mPermissions,
                 false /* async */, (num) -> haveAppsWithAdminGrantedPermissions[0] = num > 0);
-        return haveAppsWithAdminGrantedPermissions[0];
+        mHasApps = haveAppsWithAdminGrantedPermissions[0];
+        return mHasApps;
     }
 
     @Override
@@ -84,9 +88,9 @@ public abstract class AdminGrantedPermissionsPreferenceControllerBase
         if (!getPreferenceKey().equals(preference.getKey())) {
             return false;
         }
-        final Intent intent = new Intent(Intent.ACTION_MANAGE_PERMISSION_APPS)
-                .putExtra(Intent.EXTRA_PERMISSION_NAME, mPermissionGroup);
-        mContext.startActivity(intent);
-        return true;
+        if (!mHasApps) {
+            return false;
+        }
+        return super.handlePreferenceTreeClick(preference);
     }
 }

src/com/android/settings/enterprise/ApplicationListFragment.java

@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2017 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.enterprise;
+
+import android.Manifest;
+import android.content.Context;
+
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.R;
+import com.android.settings.applications.ApplicationFeatureProvider;
+import com.android.settings.core.PreferenceController;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.overlay.FeatureFactory;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Base fragment for displaying a list of applications on a device.
+ * Inner static classes are concrete implementations.
+ */
+public abstract class ApplicationListFragment extends DashboardFragment
+        implements ApplicationListPreferenceController.ApplicationListBuilder {
+
+    static final String TAG = "EnterprisePrivacySettings";
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.ENTERPRISE_PRIVACY_SETTINGS;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.app_list_disclosure_settings;
+    }
+
+    @Override
+    protected List<PreferenceController> getPreferenceControllers(Context context) {
+        final List controllers = new ArrayList<>();
+        ApplicationListPreferenceController controller = new ApplicationListPreferenceController(
+                context, this, context.getPackageManager(), this);
+        controllers.add(controller);
+        return controllers;
+    }
+
+    private abstract static class AdminGrantedPermission extends ApplicationListFragment {
+        private final String[] mPermissions;
+
+        public AdminGrantedPermission(String[] permissions) {
+            mPermissions = permissions;
+        }
+
+        @Override
+        public void buildApplicationList(Context context,
+                ApplicationFeatureProvider.ListOfAppsCallback callback) {
+            FeatureFactory.getFactory(context).getApplicationFeatureProvider(context)
+                    .listAppsWithAdminGrantedPermissions(mPermissions, callback);
+        }
+    }
+
+    public static class AdminGrantedPermissionCamera extends AdminGrantedPermission {
+        public AdminGrantedPermissionCamera() {
+            super(new String[] {Manifest.permission.CAMERA});
+        }
+    }
+
+    public static class AdminGrantedPermissionLocation extends AdminGrantedPermission {
+        public AdminGrantedPermissionLocation() {
+            super(new String[] {Manifest.permission.ACCESS_COARSE_LOCATION,
+                    Manifest.permission.ACCESS_FINE_LOCATION});
+        }
+    }
+
+    public static class AdminGrantedPermissionMicrophone extends AdminGrantedPermission {
+        public AdminGrantedPermissionMicrophone() {
+            super(new String[] {Manifest.permission.RECORD_AUDIO});
+        }
+    }
+
+    public static class EnterpriseInstalledPackages extends ApplicationListFragment {
+        public EnterpriseInstalledPackages() {
+        }
+
+        @Override
+        public void buildApplicationList(Context context,
+                ApplicationFeatureProvider.ListOfAppsCallback callback) {
+            FeatureFactory.getFactory(context).getApplicationFeatureProvider(context).
+                    listPolicyInstalledApps(callback);
+        }
+    }
+}

src/com/android/settings/enterprise/ApplicationListPreferenceController.java

@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2017 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.enterprise;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.applications.ApplicationFeatureProvider;
+import com.android.settings.applications.UserAppInfo;
+import com.android.settings.core.PreferenceController;
+
+import java.util.List;
+
+/**
+ * PreferenceController that builds a dynamic list of applications provided by
+ * {@link ApplicationListBuilder} instance.
+ */
+public class ApplicationListPreferenceController extends PreferenceController
+        implements ApplicationFeatureProvider.ListOfAppsCallback {
+    private final PackageManager mPm;
+    private SettingsPreferenceFragment mParent;
+
+    public ApplicationListPreferenceController(Context context, ApplicationListBuilder builder,
+            PackageManager packageManager, SettingsPreferenceFragment parent) {
+        super(context);
+        mPm = packageManager;
+        mParent = parent;
+        builder.buildApplicationList(context, this);
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return null;
+    }
+
+    @Override
+    public void onListOfAppsResult(List<UserAppInfo> result) {
+        final PreferenceScreen screen = mParent.getPreferenceScreen();
+        if (screen == null) {
+            return;
+        }
+        final Context prefContext = mParent.getPreferenceManager().getContext();
+        for (int position = 0; position < result.size(); position++) {
+            final UserAppInfo item = result.get(position);
+            final Preference preference = new Preference(prefContext);
+            preference.setLayoutResource(R.layout.preference_app);
+            preference.setTitle(item.appInfo.loadLabel(mPm));
+            preference.setIcon(item.appInfo.loadIcon(mPm));
+            preference.setOrder(position);
+            preference.setSelectable(false);
+            screen.addPreference(preference);
+        }
+    }
+
+    /**
+     * Simple interface for building application list within {
+     * @link ApplicationListPreferenceController}
+     */
+    public interface ApplicationListBuilder {
+        void buildApplicationList(Context context,
+                ApplicationFeatureProvider.ListOfAppsCallback callback);
+    }
+}