onMessageReceived method
The receiver method that the JavaScript object passes a message
.
For example, if you use webview_flutter plugin, see following code.
JavascriptChannel(
name: KamomeClient.apiName,
onMessageReceived: (JavascriptMessage result) {
_kamomeClient.onMessageReceived(result.message);
},
)
Implementation
void onMessageReceived(String message) {
final Map<String, dynamic> object = json.decode(message);
final requestId = object['id'] as String;
final name = object['name'] as String;
Map<String, dynamic>? data;
if (object.containsKey('data') && object['data'] != null) {
data = object['data'] as Map<String, dynamic>;
}
_handle(name, data, Completion(_jsRunner, requestId));
}