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class DomiciliariosCercanosService with ChangeNotifier{
// muchas variables
static final DomiciliariosCercanosService _instancia =
new DomiciliariosCercanosService ._internal();
factory DomiciliariosCercanosService () {
return _instancia;
package com.dominio.nombreapp
import io.flutter.app.FlutterApplication
import io.flutter.plugin.common.PluginRegistry
import io.flutter.plugin.common.PluginRegistry.PluginRegistrantCallback
import io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin
import io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService
class Application : FlutterApplication(), PluginRegistrantCallback {
override fun onCreate() {
E/flutter (31309): [ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: 'package:flutter/src/animation/animation_controller.dart': Failed assertion: line 451 pos 7: '_ticker != null': AnimationController.forward() called after AnimationController.dispose()
E/flutter (31309): AnimationController methods should not be used after calling dispose.
E/flutter (31309): #0 _AssertionError._doThrowNew (dart:core-patch/errors_patch.dart:42:39)
E/flutter (31309): #1 _AssertionError._throwNew (dart:core-patch/errors_patch.dart:38:5)
E/flutter (31309): #2 AnimationController.forward
E/flutter (31309): #3 _BounceState.initState.<anonymous closure>
E/flutter (31309): #4 new Future.delayed.<anonymous closure> (dart:async/future.dart:316:39)
E/flutter (31309): #5 _rootRun (dart:async/zone.dart:1122:38)
E/flutter (31309): #6 _CustomZone.run (dart:async