how to obtain a particular document from a collection in firestore using Flutter












0















I am new to dart and so obviously to flutter... I did integrate firestore and did programming in android java.. and so I am finding it a little bit difficult to understand what means what in android java and flutter in regards to Firestore.



e.g. whats the alternative to addOnCompleteListener(android java) in flutter?






firebase dart flutter google-cloud-firestore







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    0















    I am new to dart and so obviously to flutter... I did integrate firestore and did programming in android java.. and so I am finding it a little bit difficult to understand what means what in android java and flutter in regards to Firestore.



    e.g. whats the alternative to addOnCompleteListener(android java) in flutter?






    firebase dart flutter google-cloud-firestore







    share|improve this question

























      0












      0








      0








      I am new to dart and so obviously to flutter... I did integrate firestore and did programming in android java.. and so I am finding it a little bit difficult to understand what means what in android java and flutter in regards to Firestore.



      e.g. whats the alternative to addOnCompleteListener(android java) in flutter?






      firebase dart flutter google-cloud-firestore







      share|improve this question














      I am new to dart and so obviously to flutter... I did integrate firestore and did programming in android java.. and so I am finding it a little bit difficult to understand what means what in android java and flutter in regards to Firestore.



      e.g. whats the alternative to addOnCompleteListener(android java) in flutter?






      firebase dart flutter google-cloud-firestore




      firebase dart flutter google-cloud-firestore






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Dec 31 '18 at 14:07









      Sabih KhanSabih Khan

      155




      155
























          1 Answer
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          0














          Regarding your question about how to get the document from collection you can refer the following code



              DocumentReference documentReference =
          
                Firestore.instance.collection("users").document("John");
          
            documentReference.get().then((datasnapshot) {
          
              if (datasnapshot.exists) {
          
                print(datasnapshot.data['email'].toString(););
          
              }
          
              else{
          
                print("No such user");
          
              }


          consider users collection has a document named as John with data as email: "j@gmail.com".



          You can find the documentation very useful and almost all the functions are present for the flutter too. Just you should be able to do error and exception handling.



          oncomplete() and listen() functions might be very helpful.
          Hope it helped.






          share|improve this answer
























          • Thanks man.. it worked.. thanks a lot.. :-)

            – Sabih Khan
            Dec 31 '18 at 18:03











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          1 Answer
          1






          active

          oldest

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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          0














          Regarding your question about how to get the document from collection you can refer the following code



              DocumentReference documentReference =
          
                Firestore.instance.collection("users").document("John");
          
            documentReference.get().then((datasnapshot) {
          
              if (datasnapshot.exists) {
          
                print(datasnapshot.data['email'].toString(););
          
              }
          
              else{
          
                print("No such user");
          
              }


          consider users collection has a document named as John with data as email: "j@gmail.com".



          You can find the documentation very useful and almost all the functions are present for the flutter too. Just you should be able to do error and exception handling.



          oncomplete() and listen() functions might be very helpful.
          Hope it helped.






          share|improve this answer
























          • Thanks man.. it worked.. thanks a lot.. :-)

            – Sabih Khan
            Dec 31 '18 at 18:03
















          0














          Regarding your question about how to get the document from collection you can refer the following code



              DocumentReference documentReference =
          
                Firestore.instance.collection("users").document("John");
          
            documentReference.get().then((datasnapshot) {
          
              if (datasnapshot.exists) {
          
                print(datasnapshot.data['email'].toString(););
          
              }
          
              else{
          
                print("No such user");
          
              }


          consider users collection has a document named as John with data as email: "j@gmail.com".



          You can find the documentation very useful and almost all the functions are present for the flutter too. Just you should be able to do error and exception handling.



          oncomplete() and listen() functions might be very helpful.
          Hope it helped.






          share|improve this answer
























          • Thanks man.. it worked.. thanks a lot.. :-)

            – Sabih Khan
            Dec 31 '18 at 18:03














          0












          0








          0







          Regarding your question about how to get the document from collection you can refer the following code



              DocumentReference documentReference =
          
                Firestore.instance.collection("users").document("John");
          
            documentReference.get().then((datasnapshot) {
          
              if (datasnapshot.exists) {
          
                print(datasnapshot.data['email'].toString(););
          
              }
          
              else{
          
                print("No such user");
          
              }


          consider users collection has a document named as John with data as email: "j@gmail.com".



          You can find the documentation very useful and almost all the functions are present for the flutter too. Just you should be able to do error and exception handling.



          oncomplete() and listen() functions might be very helpful.
          Hope it helped.






          share|improve this answer













          Regarding your question about how to get the document from collection you can refer the following code



              DocumentReference documentReference =
          
                Firestore.instance.collection("users").document("John");
          
            documentReference.get().then((datasnapshot) {
          
              if (datasnapshot.exists) {
          
                print(datasnapshot.data['email'].toString(););
          
              }
          
              else{
          
                print("No such user");
          
              }


          consider users collection has a document named as John with data as email: "j@gmail.com".



          You can find the documentation very useful and almost all the functions are present for the flutter too. Just you should be able to do error and exception handling.



          oncomplete() and listen() functions might be very helpful.
          Hope it helped.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Dec 31 '18 at 17:39









          John WickJohn Wick

          33539




          33539













          • Thanks man.. it worked.. thanks a lot.. :-)

            – Sabih Khan
            Dec 31 '18 at 18:03



















          • Thanks man.. it worked.. thanks a lot.. :-)

            – Sabih Khan
            Dec 31 '18 at 18:03

















          Thanks man.. it worked.. thanks a lot.. :-)

          – Sabih Khan
          Dec 31 '18 at 18:03





          Thanks man.. it worked.. thanks a lot.. :-)

          – Sabih Khan
          Dec 31 '18 at 18:03




















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