Make "Action not allowed" dialog compliant with Material Spec and replace full screen activities with the dialog.

Bug: 64893948
Test: make ROBOTEST_FILTER=ActionDisabledByAdminDialogTest -j40 RunSettingsRoboTests
Test: make ROBOTEST_FILTER=ActionDisabledByAdminDialogHelperTest -j40 RunSettingsRoboTests
Change-Id: I9308d8d86a3789b8f2c92b9f4f20cf00cce71d14

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

@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2018 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.app.Activity;
+import android.app.admin.DevicePolicyManager;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.UserHandle;
+
+import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
+
+public class ActionDisabledByAdminDialog extends Activity
+        implements DialogInterface.OnDismissListener {
+
+    private ActionDisabledByAdminDialogHelper mDialogHelper;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        final RestrictedLockUtils.EnforcedAdmin enforcedAdmin =
+                getAdminDetailsFromIntent(getIntent());
+        final String restriction = getRestrictionFromIntent(getIntent());
+        mDialogHelper = new ActionDisabledByAdminDialogHelper(this);
+        mDialogHelper.prepareDialogBuilder(restriction, enforcedAdmin)
+                .setOnDismissListener(this)
+                .show();
+    }
+
+    @Override
+    public void onNewIntent(Intent intent) {
+        super.onNewIntent(intent);
+        final EnforcedAdmin admin = getAdminDetailsFromIntent(intent);
+        final String restriction = getRestrictionFromIntent(intent);
+        mDialogHelper.updateDialog(restriction, admin);
+    }
+
+    @android.support.annotation.VisibleForTesting
+    EnforcedAdmin getAdminDetailsFromIntent(Intent intent) {
+        final EnforcedAdmin admin = new EnforcedAdmin(null, UserHandle.myUserId());
+        if (intent == null) {
+            return admin;
+        }
+        admin.component = intent.getParcelableExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN);
+        admin.userId = intent.getIntExtra(Intent.EXTRA_USER_ID, UserHandle.myUserId());
+        return admin;
+    }
+
+    @android.support.annotation.VisibleForTesting
+    String getRestrictionFromIntent(Intent intent) {
+        if (intent == null) return null;
+        return intent.getStringExtra(DevicePolicyManager.EXTRA_RESTRICTION);
+    }
+
+    @Override
+    public void onDismiss(DialogInterface dialog) {
+        finish();
+    }
+}