Release 1.1.0

CHANGELOG.md

+## [1.1.0] - 13/06/2021
+* Add support for invisible widget capture
+
 ## [1.0.0-nullsafety.0] - 10/02/2021
 * Add nullsafety
 
@@ -6,7 +9,6 @@
 * support for web and windows
 * Add captureAndSave method.
 
-
 ## [0.2.0] - 10/06/2020
 * Add captureAsUiImage method
 

README.md

@@ -6,7 +6,20 @@ This package wraps your widgets inside [RenderRepaintBoundary](https://docs.flut
 
 [Source](https://stackoverflow.com/a/51118088)
 
- <img src="https://github.com/SachinGanesh/screenshot/raw/master/assets/screenshot.gif" alt="screenshot" width="200"/>
+---
+<br>
+<div style="display: flex;">
+    <div style="flex: 40%; padding: 5px;">
+         <img src="https://github.com/SachinGanesh/screenshot/raw/master/assets/screenshot.gif" alt="screenshot"/>
+    </div>
+    <div style="flex: 60%; padding: 5px;">
+        <p>&nbsp; Capture a widget part of the widget tree:</p>
+        <img src="https://github.com/SachinGanesh/screenshot/raw/master/assets/code1.png" alt="screenshot"/>
+        <hr>
+        <p>&nbsp;Capture an invisible widget (a widget which is not part of the widget tree):</p>
+        <img src="https://github.com/SachinGanesh/screenshot/raw/master/assets/code2.png" alt="screenshot"/>
+    </div>
+</div>
 
 ---
 ## Getting Started
@@ -181,7 +194,7 @@ The solution is to add a small delay before capturing.
 ```dart
 screenshotController.capture(delay: Duration(milliseconds: 10))
 ```
-
+---
 ## Known Issues
 - Platform Views are not supported. (Example: Google Maps, Camera etc)
-
+---
\ No newline at end of file

example/lib/main.dart

@@ -31,7 +31,7 @@ class MyApp extends StatelessWidget {
 }
 
 class MyHomePage extends StatefulWidget {
-  MyHomePage({Key key, this.title}) : super(key: key);
+  MyHomePage({Key? key, required this.title}) : super(key: key);
   final String title;
 
   @override
@@ -86,8 +86,8 @@ class _MyHomePageState extends State<MyHomePage> {
               onPressed: () {
                 screenshotController
                     .capture(delay: Duration(milliseconds: 10))
-                    .then((Uint8List capturedImage) async {
-                  ShowCapturedWidget(context, capturedImage);
+                    .then((capturedImage) async {
+                  ShowCapturedWidget(context, capturedImage!);
                 }).catchError((onError) {
                   print(onError);
                 });

lib/screenshot.dart

@@ -32,17 +32,14 @@ class ScreenshotController {
       pixelRatio: pixelRatio,
       delay: delay,
     );
-    if (content != null) {
-      PlatformFileManager fileManager = PlatformFileManager();
+    PlatformFileManager fileManager = PlatformFileManager();
 
-      return fileManager.saveFile(content, directory, name: fileName);
-    }
-    return null;
+    return fileManager.saveFile(content!, directory, name: fileName);
   }
 
-  Future<Uint8List> capture({
+  Future<Uint8List?> capture({
     double? pixelRatio,
-    Duration delay: const Duration(milliseconds: 20),
+    Duration delay = const Duration(milliseconds: 20),
   }) {
     //Delay is required. See Issue https://github.com/flutter/flutter/issues/22308
     return new Future.delayed(delay ?? Duration(milliseconds: 20), () async {
@@ -141,7 +138,7 @@ class ScreenshotController {
 
 class Screenshot<T> extends StatefulWidget {
   final Widget? child;
-  final ScreenshotController? controller;
+  final ScreenshotController controller;
   const Screenshot({
     Key? key,
     required this.child,
@@ -160,32 +157,13 @@ class ScreenshotState extends State<Screenshot> with TickerProviderStateMixin {
   @override
   void initState() {
     super.initState();
-    // if (widget.controller == null) {
-    //   _controller = ScreenshotController();
-    // } else
     _controller = widget.controller;
   }
 
-  // @override
-  // void didUpdateWidget(Screenshot oldWidget) {
-  //   // super.didUpdateWidget(oldWidget);
-
-  //   // if (widget.controller != oldWidget.controller) {
-  //   //   widget.controller._containerKey = oldWidget.controller._containerKey;
-  //   //   if (oldWidget.controller != null && widget.controller == null)
-  //   //     _controller._containerKey = oldWidget.controller._containerKey;
-  //   //   if (widget.controller != null) {
-  //   //     if (oldWidget.controller == null) {
-  //   //       _controller = null;
-  //   //     }
-  //   //   }
-  //   // }
-  // }
-
   @override
   Widget build(BuildContext context) {
     return RepaintBoundary(
-      key: _controller!._containerKey,
+      key: _controller._containerKey,
       child: widget.child,
     );
   }

pubspec.yaml

 name: screenshot
 description: Flutter Screenshot Package (Runtime). Capture any Widget as an image.
-version: 1.0.0-nullsafety.0
+version: 1.1.0
 homepage: https://github.com/SachinGanesh/screenshot
 
 environment: