Issue I’m getting error (wrong latitude) when I’m trying to get current weather data. can anyone tell me what went wrong I tried changing locationAccuracy from low to best but it didn’t change anything Location location = Location(); class _LoadingScreenState
Continue readingTag: dart-html
Is there heartbeat, timeout or disconnection support in Dart Web Sockets?
Issue When using Web Sockets in Dart, is there any heartbeat, timeout or disconnection support? Solution You can manually re-establish the connection to the server on the client after a short timeout like this: establishConnection() { connection = new WebSocket(‘ws://…’);
Continue readingHow to use animationFrame in Dart?
Issue The following code throws the exception “type ‘([int]) => void’ is not a subtype of type ‘RequestAnimationFrameCallback’ of ‘callback’.” import ‘dart:html’; void main() { window.animationFrame.then((time) => print(“test”)); } If I change window.animationFrame.then to window.requestAnimationFrame, everything works as expected. Am
Continue readingIn Dart, if I listen to a click event with two listeners, how do I know which happens first?
Issue If I write the following Dart code, how do I know which click handler happens first? main() { var button = new ButtonElement(); var stream = button.onClick.asBroadcastStream(); stream.listen(clickHandler1); stream.listen(clickHandler2); } Let’s say I’m in other code that doesn’t know
Continue readingCannot query dynamically added elements
Issue In Dart I’m trying to add HTML dynamically in a div element. Note: the mainContainer element is just a div in my HTML code import ‘dart:html’; main() { loadHTML(“web/html/test.html”); } void loadHTML(String fileName) { DivElement div = query(“#mainContainer”); div.children.clear();
Continue readingHow to add HTML entities in Dart?
Issue I want to add HTML entities like or & using a Dart class. I tried this : my_element.nodes.add(new Text(‘&©’)); but as mentioned in Text class doc, markup is parsed into information, meaning everything is escaped, I guess. I
Continue readingHow to access contentDocument of embed element in Dart?
Issue I load an SVG within an HTML file with the embed element. But now I want to change the color of an gradient within this SVG. In JavaScript there is the contentDocument which I can access to query for
Continue readingHow to stroke a text in dart using canvas 2D context?
Issue I’m currently making a 2D game engine, and I’m working in the messages for the characters, for this I’m using the fillText method of 2DContext however I have no idea how to stroke a text, I have already tried
Continue readingChange the tint/hue of an ImageElement on canvas
Issue I’m working on some particle animations for my game engine, and I want to know if is possible to change the hue, gamma and other image properties of a ImageElement object of the canvas, keeping the shape of the
Continue readingRemoving DOM elements with bound events in Dart
Issue I couldn’t find anything in the docs about what developers should do when removing elements from the DOM that have bound events. jQuery has remove() and detach(). The former removes bound events, the latter does not. When calling Element#remove(),
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