1 files changed, 27 insertions, 0 deletions
diff --git a/src/com/android/settings/panel/PanelContent.java b/src/com/android/settings/panel/PanelContent.java
index 60b9ed7ab1..352a304e24 100644
--- a/src/com/android/settings/panel/PanelContent.java
+++ b/src/com/android/settings/panel/PanelContent.java
@@ -74,4 +74,31 @@ public interface PanelContent extends Instrumentable {
     default Intent getHeaderIconIntent() {
         return null;
     }
+
+    /**
+     * @return {@code true} to enable custom button to replace see more button,
+     * {@code false} otherwise.
+     */
+    default boolean isCustomizedButtonUsed() {
+        return false;
+    }
+
+    /**
+     * @return a string for the title of the custom button.
+     */
+    default CharSequence getCustomButtonTitle() {
+        return null;
+    }
+
+    /**
+     * Implement the click event for custom button.
+     */
+    default void onClickCustomizedButton() {}
+
+    /**
+     * Register to start receiving callbacks for custom button events.
+     *
+     * @param callback the callback to add.
+     */
+    default void registerCallback(PanelCustomizedButtonCallback callback) {}
 }