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Platform channel data casting flutter



The Next CEO of Stack OverflowStrange out of memory issue while loading an image to a Bitmap objectFling gesture detection on grid layout“Conversion to Dalvik format failed with error 1” on external JARDetect whether there is an Internet connection available on AndroidHow to use putExtra() and getExtra() for string dataCalling native libraries in Flutter using Platform ChannelsTesting Flutter code that uses a plugin and platform channelWhat is the right way to unit test Flutter platform channel?How to retrive List of String from method channelUsing platform channels in flutter










0















I am using platform channel to communicate flutter and native.
From Android Native, I am passing HashMap<String, String>



At flutter, side expecting Map<String, dynamic>



but I am getting the error



Unhandled Exception: type '_InternalLinkedHashMap<dynamic, dynamic>' is not a subtype of type 'Map<String, dynamic>'


if I change Map<dynamic, dynamic> it works, but I want Map<String, dynamic> how to handle this.










share|improve this question






















  • show some code please

    – Marcos Boaventura
    Mar 8 at 14:47











  • The same map I am using for DIO network calls, as Header that accepts only map<string, dynamic>.

    – Rahul Devanavar
    Mar 8 at 14:48












  • Is there any way to convert map<dynamic, dynamic> to map<string, dynamic> ?

    – Rahul Devanavar
    Mar 8 at 14:51







  • 1





    Map<dynamic, String> map --> Map<String, String> map2 = map;

    – CopsOnRoad
    Mar 8 at 14:53












  • Map<String, dynamic>.from(map) worked for me

    – Rahul Devanavar
    Mar 9 at 8:50















0















I am using platform channel to communicate flutter and native.
From Android Native, I am passing HashMap<String, String>



At flutter, side expecting Map<String, dynamic>



but I am getting the error



Unhandled Exception: type '_InternalLinkedHashMap<dynamic, dynamic>' is not a subtype of type 'Map<String, dynamic>'


if I change Map<dynamic, dynamic> it works, but I want Map<String, dynamic> how to handle this.










share|improve this question






















  • show some code please

    – Marcos Boaventura
    Mar 8 at 14:47











  • The same map I am using for DIO network calls, as Header that accepts only map<string, dynamic>.

    – Rahul Devanavar
    Mar 8 at 14:48












  • Is there any way to convert map<dynamic, dynamic> to map<string, dynamic> ?

    – Rahul Devanavar
    Mar 8 at 14:51







  • 1





    Map<dynamic, String> map --> Map<String, String> map2 = map;

    – CopsOnRoad
    Mar 8 at 14:53












  • Map<String, dynamic>.from(map) worked for me

    – Rahul Devanavar
    Mar 9 at 8:50













0












0








0








I am using platform channel to communicate flutter and native.
From Android Native, I am passing HashMap<String, String>



At flutter, side expecting Map<String, dynamic>



but I am getting the error



Unhandled Exception: type '_InternalLinkedHashMap<dynamic, dynamic>' is not a subtype of type 'Map<String, dynamic>'


if I change Map<dynamic, dynamic> it works, but I want Map<String, dynamic> how to handle this.










share|improve this question














I am using platform channel to communicate flutter and native.
From Android Native, I am passing HashMap<String, String>



At flutter, side expecting Map<String, dynamic>



but I am getting the error



Unhandled Exception: type '_InternalLinkedHashMap<dynamic, dynamic>' is not a subtype of type 'Map<String, dynamic>'


if I change Map<dynamic, dynamic> it works, but I want Map<String, dynamic> how to handle this.







android flutter






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Mar 8 at 14:22









Rahul DevanavarRahul Devanavar

1,3851328




1,3851328












  • show some code please

    – Marcos Boaventura
    Mar 8 at 14:47











  • The same map I am using for DIO network calls, as Header that accepts only map<string, dynamic>.

    – Rahul Devanavar
    Mar 8 at 14:48












  • Is there any way to convert map<dynamic, dynamic> to map<string, dynamic> ?

    – Rahul Devanavar
    Mar 8 at 14:51







  • 1





    Map<dynamic, String> map --> Map<String, String> map2 = map;

    – CopsOnRoad
    Mar 8 at 14:53












  • Map<String, dynamic>.from(map) worked for me

    – Rahul Devanavar
    Mar 9 at 8:50

















  • show some code please

    – Marcos Boaventura
    Mar 8 at 14:47











  • The same map I am using for DIO network calls, as Header that accepts only map<string, dynamic>.

    – Rahul Devanavar
    Mar 8 at 14:48












  • Is there any way to convert map<dynamic, dynamic> to map<string, dynamic> ?

    – Rahul Devanavar
    Mar 8 at 14:51







  • 1





    Map<dynamic, String> map --> Map<String, String> map2 = map;

    – CopsOnRoad
    Mar 8 at 14:53












  • Map<String, dynamic>.from(map) worked for me

    – Rahul Devanavar
    Mar 9 at 8:50
















show some code please

– Marcos Boaventura
Mar 8 at 14:47





show some code please

– Marcos Boaventura
Mar 8 at 14:47













The same map I am using for DIO network calls, as Header that accepts only map<string, dynamic>.

– Rahul Devanavar
Mar 8 at 14:48






The same map I am using for DIO network calls, as Header that accepts only map<string, dynamic>.

– Rahul Devanavar
Mar 8 at 14:48














Is there any way to convert map<dynamic, dynamic> to map<string, dynamic> ?

– Rahul Devanavar
Mar 8 at 14:51






Is there any way to convert map<dynamic, dynamic> to map<string, dynamic> ?

– Rahul Devanavar
Mar 8 at 14:51





1




1





Map<dynamic, String> map --> Map<String, String> map2 = map;

– CopsOnRoad
Mar 8 at 14:53






Map<dynamic, String> map --> Map<String, String> map2 = map;

– CopsOnRoad
Mar 8 at 14:53














Map<String, dynamic>.from(map) worked for me

– Rahul Devanavar
Mar 9 at 8:50





Map<String, dynamic>.from(map) worked for me

– Rahul Devanavar
Mar 9 at 8:50












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