Don't lose dialogs during configuration change
Bug: 62442606
Test: Rotate device when a dialog is showing
Change-Id: Iba63343d4e52e8e3ed2489f2f9482e698baf6111
diff --git a/packages/SettingsLib/src/com/android/settingslib/core/ConfirmationDialogController.java b/packages/SettingsLib/src/com/android/settingslib/core/ConfirmationDialogController.java
new file mode 100644
index 0000000..72ab8c3
--- /dev/null
+++ b/packages/SettingsLib/src/com/android/settingslib/core/ConfirmationDialogController.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.settingslib.core;
+
+import android.support.annotation.Nullable;
+import android.support.v7.preference.Preference;
+
+/**
+ * Interface for {@link AbstractPreferenceController} objects which manage confirmation dialogs
+ */
+public interface ConfirmationDialogController {
+ /**
+ * Returns the key for this preference.
+ */
+ String getPreferenceKey();
+
+ /**
+ * Shows the dialog
+ * @param preference Preference object relevant to the dialog being shown
+ */
+ void showConfirmationDialog(@Nullable Preference preference);
+
+ /**
+ * Dismiss the dialog managed by this object
+ */
+ void dismissConfirmationDialog();
+
+ /**
+ * @return {@code true} if the dialog is showing
+ */
+ boolean isConfirmationDialogShowing();
+}