Failed to handle method call

[lperezu]

Does someone also get this error?

E/MethodChannel#devicetemperature(16364): Failed to handle method call
E/MethodChannel#devicetemperature(16364): java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.Intent android.app.Activity.registerReceiver(android.content.BroadcastReceiver, android.content.IntentFilter)' on a null object reference
E/MethodChannel#devicetemperature(16364): at com.example.devicetemperature.DevicetemperaturePlugin.onMethodCall(DevicetemperaturePlugin.java:70)
E/MethodChannel#devicetemperature(16364): at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:233)
E/MethodChannel#devicetemperature(16364): at io.flutter.embedding.engine.dart.DartMessenger.handleMessageFromDart(DartMessenger.java:85)
E/MethodChannel#devicetemperature(16364): at io.flutter.embedding.engine.FlutterJNI.handlePlatformMessage(FlutterJNI.java:692)
E/MethodChannel#devicetemperature(16364): at android.os.MessageQueue.nativePollOnce(Native Method)
E/MethodChannel#devicetemperature(16364): at android.os.MessageQueue.next(MessageQueue.java:336)
E/MethodChannel#devicetemperature(16364): at android.os.Looper.loop(Looper.java:197)
E/MethodChannel#devicetemperature(16364): at android.app.ActivityThread.main(ActivityThread.java:7948)
E/MethodChannel#devicetemperature(16364): at java.lang.reflect.Method.invoke(Native Method)
E/MethodChannel#devicetemperature(16364): at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
E/MethodChannel#devicetemperature(16364): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1075)
I/flutter (16364): PlatformException(error, Attempt to invoke virtual method 'android.content.Intent android.app.Activity.registerReceiver(android.content.BroadcastReceiver, android.content.IntentFilter)' on a null object reference, null, java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.Intent android.app.Activity.registerReceiver(android.content.BroadcastReceiver, android.content.IntentFilter)' on a null object reference
I/flutter (16364): at com.example.devicetemperature.DevicetemperaturePlugin.onMethodCall(DevicetemperaturePlugin.java:70)
I/flutter (16364): at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:233)
I/flutter (16364): at io.flutter.embedding.engine.dart.DartMessenger.handleMessageFromDart(DartMessenger.java:85)
I/flutter (16364): at io.flutter.embedding.engine.FlutterJNI.handlePlatformMessage(FlutterJNI.java:692)
I/flutter (16364): at android.os.MessageQueue.nativePollOnce(Native Method)
I/flutter (16364): at android.os.MessageQueue.next(MessageQueue.java:336)
I/flutter (16364): at android.os.Looper.loop(Looper.java:197)
I/flutter (16364): at android.app.ActivityThread.main(