From effefdb24bda4ec4e8386dfa859a3ff5ccb59062 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sch=C3=B6n=20=20Boldizs=C3=A1r?= <schonboldizsar@gmail.com>
Date: Mon, 11 Dec 2023 12:15:21 +0100
Subject: [PATCH] dismiss presentation display from second screen

---
 .../PresentationDisplaysPlugin.kt                | 13 ++++++++++++-
 example/lib/main.dart                            | 16 ++++++++++++++++
 lib/displays_manager.dart                        |  6 ++++++
 3 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/android/src/main/kotlin/com/namit/presentation_displays/PresentationDisplaysPlugin.kt b/android/src/main/kotlin/com/namit/presentation_displays/PresentationDisplaysPlugin.kt
index 150819b..ff7f555 100644
--- a/android/src/main/kotlin/com/namit/presentation_displays/PresentationDisplaysPlugin.kt
+++ b/android/src/main/kotlin/com/namit/presentation_displays/PresentationDisplaysPlugin.kt
@@ -26,6 +26,7 @@ class PresentationDisplaysPlugin : FlutterPlugin, ActivityAware, MethodChannel.M
     private var flutterEngineChannel: MethodChannel? = null
     private var displayManager: DisplayManager? = null
     private var context: Context? = null
+    private var presentation: PresentationDisplay? = null
 
     override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
         channel = MethodChannel(flutterPluginBinding.flutterEngine.dartExecutor, viewTypeId)
@@ -68,7 +69,7 @@ class PresentationDisplaysPlugin : FlutterPlugin, ActivityAware, MethodChannel.M
                                 it.dartExecutor.binaryMessenger,
                                 "${viewTypeId}_engine"
                             )
-                            val presentation =
+                            presentation =
                                 context?.let { it1 -> PresentationDisplay(it1, tag, display) }
                             Log.i(TAG, "presentation: $presentation")
                             presentation?.show()
@@ -107,6 +108,16 @@ class PresentationDisplaysPlugin : FlutterPlugin, ActivityAware, MethodChannel.M
                     result.success(false)
                 }
             }
+            "dismiss" -> {
+                if(presentation != null) {
+                    try {
+                        presentation?.dismiss()
+                        result.success(true)
+                    } catch (e: Exception) {
+                    }
+                }
+                result.success(false)
+            }
         }
     }
 
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 24374eb..2112ba3 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -91,6 +91,7 @@ class _DisplayManagerScreenState extends State<DisplayManagerScreen> {
             children: <Widget>[
               _getDisplays(),
               _showPresentation(),
+              _dismissPresentation(),
               _transferData(),
               _getDisplayeById(),
               _getDisplayByIndex(),
@@ -166,6 +167,21 @@ class _DisplayManagerScreenState extends State<DisplayManagerScreen> {
     );
   }
 
+  Widget _dismissPresentation() {
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.center,
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: [
+        Button(
+            title: "Dismiss presentation",
+            onPressed: () async {
+              await displayManager.dismissPresentation();
+            }),
+        const Divider(),
+      ],
+    );
+  }
+
   Widget _transferData() {
     return Column(
       mainAxisAlignment: MainAxisAlignment.center,
diff --git a/lib/displays_manager.dart b/lib/displays_manager.dart
index 49a12b1..cbf42d8 100644
--- a/lib/displays_manager.dart
+++ b/lib/displays_manager.dart
@@ -9,6 +9,7 @@ import 'package:presentation_displays/secondary_display.dart';
 const _listDisplay = "listDisplay";
 const _showPresentation = "showPresentation";
 const _transferDataToPresentation = "transferDataToPresentation";
+const _dismiss = "dismiss";
 
 /// Display category: secondary display.
 /// <p>
@@ -175,4 +176,9 @@ class DisplayManager {
     return _displayMethodChannel?.invokeMethod<bool?>(
         _transferDataToPresentation, arguments);
   }
+
+  /// Dismiss the presentation display
+  Future<bool?>? dismissPresentation() async {
+    return await _displayMethodChannel?.invokeMethod<bool?>(_dismiss);
+  }
 }