A simple flutter plugin wrap method channel in order to execute in background.
1 Why need a wrapper for method channel
- Call method channel directly with background Flutter Engine while the app is terminated causes
MissingPluginException(No implementation found for method echo on channel com.presence.test_channel), but in a plugin (with it registered properly), things will work like a charm.
1.2 Deep Reason:
1.3 How to repeat:
refer to work_manager_plugin docs
the example project of current repository is designed to reproduce this
STEP1: open the
example/ios/Runner.xcworkspacein XCode STEP2: start the
Runnertarget in a device (simulator or real one) STEP3: click
Debug/Simulate Background Fetch,
example/lib/main.dart.callbackDispatcherwill be called by native and you will see the error in XCode console
1.4 How to resolve
wrap your method channel call in a plugin (like this one) and register it properly
This project is a starting point for a Flutter plug-in package, a specialized package that includes platform-specific implementation code for Android and/or iOS.
For help getting started with Flutter development, view the online documentation, which offers tutorials, samples, guidance on mobile development, and a full API reference.