Flutter cannot get size during build
WebFeb 8, 2024 · The following assertion was thrown building Dropdown(dirty, state: _DropdownState#97b88): setState() or markNeedsBuild() called during build. This Obx widget cannot be marked as needing to build because the framework is already in the process of building widgets. WebThis is the correct code to measure text size: final Size size = (TextPainter ( text: TextSpan (text: text, style: textStyle), maxLines: 1, textScaleFactor: MediaQuery.of (context).textScaleFactor, textDirection: TextDirection.ltr) ..layout ()) .size; Share Follow edited Sep 26, 2024 at 19:37 answered Jun 23, 2024 at 13:42 Amir_P
Flutter cannot get size during build
Did you know?
WebMar 29, 2024 · Problem is a bit tricky, you cannot get height in build method because height is calculated at layout pass. 👍 30 bravekingzhang, peng8350, hackerhgl, … WebMay 28, 2024 · E/flutter (11292): A RenderBox object must have an explicit size before it can be hit-tested. Make sure that the RenderBox in question sets its size during layout.
WebJul 31, 2024 · I/flutter (13466): ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════ I/flutter (13466): The following assertion was thrown while finalizing the widget tree: I/flutter ... WebTo Get Screen Height and Width on the build, and listen resize: Size wsize = Size.zero; MeasuredSize( onChange: (Size size){ setState(() { wsize = size; }); }, child:Card( child:Container( child: Text("Width and Height:" + wsize.width.toString() + "," + wsize.height.toString()) ) ), ) MeasuredSize returns child widget size on resizing.
WebJun 1, 2024 · Error: Cannot get size from a render object that has been marked dirty for layout. · Issue #29 · fluttercommunity/flutter-draggable-scrollbar · GitHub fluttercommunity flutter-draggable-scrollbar … WebNov 24, 2024 · Flutter app size for even a very basic app is coming out to be 127 MB. ... iapicca added the waiting for customer response The Flutter team cannot make further …
WebDec 16, 2024 · 1. The flutter's general layout rules does not apply to the PlatformView's case, the mainAxisSize: min parameter does not work either. It will say at runtime: "RenderConstrainedBox object was given an infinite size during layout. This probably means that it is a render object that tries to be as big as possible, but it was put inside …
WebFeb 17, 2024 · The problem with my current code is this error: I/flutter (30528): The following assertion was thrown building FutureBuilder (dirty, state: I/flutter (30528): _FutureBuilderState#90a6d): I/flutter (30528): setState () or markNeedsBuild () called during build. I/flutter (30528): This Dashboard widget cannot be marked as … how long can a nuclear sub runWebJun 1, 2024 · The size of this render object is ambiguous because this render object has been modified since it was last laid out, which typically means that the size getter was called too early in the pipeline (e.g., … how long can ants go without eatingWebHow to Get Widget Height & Width and Listen to Size Change: Add measured_size package on your project by adding the following lines on pubspec.yaml file.. … how long can a patient stay intubatedWebDec 11, 2024 · 1 I'm trying to create a ListView in Flutter where the total sum of its items' width is the width of the ListView itself. In other words: I have 24 items, and I want each one to have an extent of [ListView.width]/24. However, I cannot seem to get the width of the list view inside of its builder. I tried using context.size.width: how long can a patient be observation statusWebMar 7, 2010 · size. property. The size of the RenderBox returned by findRenderObject. This getter will only return a valid result after the layout phase is complete. It is therefore not … how long can a painted turtle go without foodWebNov 23, 2024 · Another problem is that you can't get a widget's RenderBox during build call as the widget hasn't been rendered yet. ... If we press the Get Sizes button, you’ll get this result in the console: flutter: SIZE of Red: Size(375.0, 152.9) now we know that our … how long can an unemployment claim be pendingWebJun 2, 2024 · I'm learning to use the Getx library with Flutter and I have the following problem: the idea is to have a list of TextFields, in which each one is horizontally expandable, that is, its occupied size on the screen is given by the size of the typed word, as the word size increases, the TextField size also increases. how long can an unfrozen turkey stay good