addListener method Null safety Adds a listener callback that is called whenever a new concrete ImageInfo object is available or an error is reported . If a concrete image is already available, or if an error has been already reported, this object will notify the listener synchronously.
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“add click listener in flutter” Code Answer’s
Read moreWhat is a listener in flutter?
A widget that calls callbacks in response to common pointer events . It listens to events that can construct gestures, such as when the pointer is pressed, moved, then released or canceled.
Read moreWhat is a platform channel?
Overview. Overall the Platform Channel represents a way to connect native code with the Flutter app (Dart) . It can be used to implement any Flutter missing functionality using a platform-specific code (plugins) and call any APIs whether available in Java or Kotlin code on Android, or in Objective-C or Swift code on iOS …
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“add click listener in flutter” Code Answer’s
Read moreWhat is EventChannel?
An EventChannel is used to stream data . This results in having a Stream on the Dart side of things and being able to feed that stream from the native side. This is useful if you want to send data every time a particular event occurs, e.g. when the wifi connection of a device changes.16 May 2019
Read moreWhat is Event channel Flutter?
EventChannel exposes data from the platform to Dart as streams . When you subscribe to an event channel on the Dart end, you get a continuous stream of data from iOS or Android. To recap, Platform Channels allow you to send and received data both to and from platforms across a channel.17 May 2021
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