| /* |
| * Copyright (C) 2021 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.car.settings.enterprise; |
| |
| import android.app.admin.DeviceAdminInfo; |
| import android.app.admin.DeviceAdminReceiver; |
| import android.app.admin.DevicePolicyManager; |
| import android.car.drivingstate.CarUxRestrictions; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.text.TextUtils; |
| |
| import androidx.annotation.Nullable; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceGroup; |
| |
| import com.android.car.settings.R; |
| import com.android.car.settings.common.FragmentController; |
| import com.android.car.ui.preference.CarUiPreference; |
| |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| /** |
| * Displays a list of device admin apps. |
| * <p>Before changing the value of a permission, the user is directed to a confirmation |
| * screen with more detailed information about the risks and potential effects. |
| */ |
| public abstract class DeviceAdminAppsPreferenceController |
| extends BaseEnterprisePreferenceController<PreferenceGroup> { |
| |
| public DeviceAdminAppsPreferenceController(Context context, String preferenceKey, |
| FragmentController fragmentController, CarUxRestrictions uxRestrictions) { |
| super(context, preferenceKey, fragmentController, uxRestrictions); |
| } |
| |
| @Override |
| protected Class<PreferenceGroup> getPreferenceType() { |
| return PreferenceGroup.class; |
| } |
| |
| @Override |
| protected void updateState(PreferenceGroup preferenceGroup) { |
| preferenceGroup.removeAll(); |
| |
| // NOTE: Only considering the current user for now. Later we may need to support profiles. |
| List<ResolveInfo> receivers = mPm.queryBroadcastReceivers( |
| new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED), |
| PackageManager.GET_META_DATA | PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS); |
| for (ResolveInfo resolveInfo : receivers) { |
| DeviceAdminInfo deviceAdminInfo = createDeviceAdminInfo(resolveInfo.activityInfo); |
| // Add only visible ones (note: active admins are added regardless of visibility) |
| if (deviceAdminInfo != null && deviceAdminInfo.isVisible()) { |
| if (!isIncluded(deviceAdminInfo.getComponent()) |
| || !deviceAdminInfo.getActivityInfo().applicationInfo.isInternal()) { |
| continue; |
| } |
| preferenceGroup.addPreference(createPreference(deviceAdminInfo)); |
| } |
| } |
| |
| if (preferenceGroup.getPreferenceCount() == 0) { |
| preferenceGroup.addPreference(createEmptyListPreference()); |
| } |
| } |
| |
| protected abstract boolean isIncluded(ComponentName componentName); |
| |
| protected boolean isActivated(ComponentName componentName) { |
| return mDpm.isAdminActive(componentName); |
| } |
| |
| private Preference createEmptyListPreference() { |
| CarUiPreference preference = new CarUiPreference(getContext()); |
| preference.setTitle(R.string.device_admin_apps_list_empty); |
| preference.setSelectable(false); |
| |
| return preference; |
| } |
| |
| private Preference createPreference(DeviceAdminInfo deviceAdminInfo) { |
| CarUiPreference preference = new CarUiPreference(getContext()); |
| preference.setTitle(deviceAdminInfo.loadLabel(mPm)); |
| preference.setIcon(deviceAdminInfo.loadIcon(mPm)); |
| CharSequence description = getDescription(deviceAdminInfo); |
| if (!TextUtils.isEmpty(description)) { |
| preference.setSummary(deviceAdminInfo.loadDescription(mPm)); |
| } |
| preference.setKey(deviceAdminInfo.getPackageName()); |
| ComponentName componentName = deviceAdminInfo.getComponent(); |
| preference.setEnabled(isEnabled(componentName)); |
| preference.setOnPreferenceClickListener(p -> launchDetailScreen(componentName)); |
| |
| return preference; |
| } |
| |
| private boolean isEnabled(ComponentName componentName) { |
| return !mDpm.isRemovingAdmin(componentName, getContext().getUserId()); |
| } |
| |
| private boolean launchDetailScreen(ComponentName componentName) { |
| Intent intent = new Intent(getContext(), DeviceAdminAddActivity.class) |
| .putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, componentName); |
| mLogger.d("Created intent " + intent + " for component: " + componentName); |
| getContext().startActivity(intent); |
| |
| return true; |
| } |
| |
| private @Nullable DeviceAdminInfo createDeviceAdminInfo(ActivityInfo ai) { |
| try { |
| return new DeviceAdminInfo(getContext(), ai); |
| } catch (XmlPullParserException | IOException e) { |
| mLogger.w("Skipping " + ai, e); |
| } |
| return null; |
| } |
| } |