Source Code added

mobile/lib/widgets/asset_viewer/center_play_button.dart

@@ -0,0 +1,47 @@
+import 'package:flutter/material.dart';
+import 'package:immich_mobile/widgets/asset_viewer/animated_play_pause.dart';
+
+class CenterPlayButton extends StatelessWidget {
+  const CenterPlayButton({
+    super.key,
+    required this.backgroundColor,
+    this.iconColor,
+    required this.show,
+    required this.isPlaying,
+    required this.isFinished,
+    this.onPressed,
+  });
+
+  final Color backgroundColor;
+  final Color? iconColor;
+  final bool show;
+  final bool isPlaying;
+  final bool isFinished;
+  final VoidCallback? onPressed;
+
+  @override
+  Widget build(BuildContext context) {
+    return ColoredBox(
+      color: Colors.transparent,
+      child: Center(
+        child: UnconstrainedBox(
+          child: AnimatedOpacity(
+            opacity: show ? 1.0 : 0.0,
+            duration: const Duration(milliseconds: 100),
+            child: DecoratedBox(
+              decoration: BoxDecoration(color: backgroundColor, shape: BoxShape.circle),
+              child: IconButton(
+                iconSize: 32,
+                padding: const EdgeInsets.all(12.0),
+                icon: isFinished
+                    ? Icon(Icons.replay, color: iconColor)
+                    : AnimatedPlayPause(color: iconColor, playing: isPlaying),
+                onPressed: onPressed,
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}