Show an error dialog when account type is requested on a limited user

This covers the scenario where an app doesn't find an account of the
required type and requests the account manager to add one of that
type.

Bug: 8537648
Change-Id: I4d9c8842c2d90aa668f16034d3db007dc61714b8

3 files changed, 57 insertions, 0 deletions

diff --git a/core/java/android/accounts/CantAddAccountActivity.java b/core/java/android/accounts/CantAddAccountActivity.java
new file mode 100644
index 0000000..e1717a6
--- /dev/null
+++ b/core/java/android/accounts/CantAddAccountActivity.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2013 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 android.accounts;
+
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.view.View;
+
+import com.android.internal.R;
+
+/**
+ * @hide
+ * Just shows an error message about the account restrictions for the limited user.
+ */
+public class CantAddAccountActivity extends Activity {
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.app_not_authorized);
+    }
+
+    public void onCancelButtonClicked(View view) {
+        onBackPressed();
+    }
+}
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 90e3b8d..78253d6 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -2264,6 +2264,14 @@
                 android:process=":ui">
         </activity>
 
+        <activity android:name="android.accounts.CantAddAccountActivity"
+                android:excludeFromRecents="true"
+                android:exported="true"
+                android:theme="@android:style/Theme.Holo.Dialog"
+                android:label="@string/error_message_title"
+                android:process=":ui">
+        </activity>
+
         <activity android:name="android.accounts.GrantCredentialsPermissionActivity"
                 android:excludeFromRecents="true"
                 android:exported="true"
diff --git a/services/java/com/android/server/accounts/AccountManagerService.java b/services/java/com/android/server/accounts/AccountManagerService.java
index 14d808f..fd7cd78 100644
--- a/services/java/com/android/server/accounts/AccountManagerService.java
+++ b/services/java/com/android/server/accounts/AccountManagerService.java
@@ -22,6 +22,7 @@ import android.accounts.AccountAndUser;
 import android.accounts.AccountAuthenticatorResponse;
 import android.accounts.AccountManager;
 import android.accounts.AuthenticatorDescription;
+import android.accounts.CantAddAccountActivity;
 import android.accounts.GrantCredentialsPermissionActivity;
 import android.accounts.IAccountAuthenticator;
 import android.accounts.IAccountAuthenticatorResponse;
@@ -1456,6 +1457,14 @@ public class AccountManagerService
                         "User is not allowed to add an account!");
             } catch (RemoteException re) {
             }
+            Intent cantAddAccount = new Intent(mContext, CantAddAccountActivity.class);
+            cantAddAccount.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            long identityToken = clearCallingIdentity();
+            try {
+                mContext.startActivityAsUser(cantAddAccount, UserHandle.CURRENT);
+            } finally {
+                restoreCallingIdentity(identityToken);
+            }
             return;
         }