| /* |
| * 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.internal.app; |
| |
| import android.accounts.Account; |
| import android.accounts.AccountManager; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.UserInfo; |
| import android.os.Bundle; |
| import android.os.PersistableBundle; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.util.Log; |
| |
| import com.android.internal.R; |
| |
| /** |
| * Activity to confirm with the user that it is ok to create a new user, as requested by |
| * an app. It has to do some checks to decide what kind of prompt the user should be shown. |
| * Particularly, it needs to check if the account requested already exists on another user. |
| */ |
| public class ConfirmUserCreationActivity extends AlertActivity |
| implements DialogInterface.OnClickListener { |
| |
| private static final String TAG = "CreateUser"; |
| |
| private String mUserName; |
| private String mAccountName; |
| private String mAccountType; |
| private PersistableBundle mAccountOptions; |
| private boolean mCanProceed; |
| private UserManager mUserManager; |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| |
| Intent intent = getIntent(); |
| mUserName = intent.getStringExtra(UserManager.EXTRA_USER_NAME); |
| mAccountName = intent.getStringExtra(UserManager.EXTRA_USER_ACCOUNT_NAME); |
| mAccountType = intent.getStringExtra(UserManager.EXTRA_USER_ACCOUNT_TYPE); |
| mAccountOptions = (PersistableBundle) |
| intent.getParcelableExtra(UserManager.EXTRA_USER_ACCOUNT_OPTIONS); |
| |
| mUserManager = getSystemService(UserManager.class); |
| |
| String message = checkUserCreationRequirements(); |
| |
| if (message == null) { |
| finish(); |
| return; |
| } |
| final AlertController.AlertParams ap = mAlertParams; |
| ap.mMessage = message; |
| ap.mPositiveButtonText = getString(android.R.string.ok); |
| ap.mPositiveButtonListener = this; |
| |
| // Show the negative button if the user actually has a choice |
| if (mCanProceed) { |
| ap.mNegativeButtonText = getString(android.R.string.cancel); |
| ap.mNegativeButtonListener = this; |
| } |
| setupAlert(); |
| } |
| |
| private String checkUserCreationRequirements() { |
| final String callingPackage = getCallingPackage(); |
| if (callingPackage == null) { |
| throw new SecurityException( |
| "User Creation intent must be launched with startActivityForResult"); |
| } |
| final ApplicationInfo appInfo; |
| try { |
| appInfo = getPackageManager().getApplicationInfo(callingPackage, 0); |
| } catch (NameNotFoundException nnfe) { |
| throw new SecurityException( |
| "Cannot find the calling package"); |
| } |
| final String message; |
| // Check the user restrictions |
| boolean cantCreateUser = mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER) |
| || !mUserManager.isAdminUser(); |
| // Check the system state and user count |
| boolean cantCreateAnyMoreUsers = !mUserManager.canAddMoreUsers(); |
| // Check the account existence |
| final Account account = new Account(mAccountName, mAccountType); |
| boolean accountExists = mAccountName != null && mAccountType != null |
| && (AccountManager.get(this).someUserHasAccount(account) |
| | mUserManager.someUserHasSeedAccount(mAccountName, mAccountType)); |
| mCanProceed = true; |
| final String appName = appInfo.loadLabel(getPackageManager()).toString(); |
| if (cantCreateUser) { |
| setResult(UserManager.USER_CREATION_FAILED_NOT_PERMITTED); |
| return null; |
| } else if (cantCreateAnyMoreUsers) { |
| setResult(UserManager.USER_CREATION_FAILED_NO_MORE_USERS); |
| return null; |
| } else if (accountExists) { |
| message = getString(R.string.user_creation_account_exists, appName, mAccountName); |
| } else { |
| message = getString(R.string.user_creation_adding, appName, mAccountName); |
| } |
| return message; |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| setResult(RESULT_CANCELED); |
| if (which == BUTTON_POSITIVE && mCanProceed) { |
| Log.i(TAG, "Ok, creating user"); |
| UserInfo user = mUserManager.createUser(mUserName, 0); |
| if (user == null) { |
| Log.e(TAG, "Couldn't create user"); |
| finish(); |
| return; |
| } |
| mUserManager.setSeedAccountData(user.id, mAccountName, mAccountType, mAccountOptions); |
| setResult(RESULT_OK); |
| } |
| finish(); |
| } |
| } |