google-cloud-firestore

问题 How to populate a DataTable using StreamBuilder? Below is my code: new StreamBuilder( stream: widget._returnStreamWithActiveKeysOnly(), builder: (BuildContext context, AsyncSnapshot<QuerySnapshot> snapshot) { if (!snapshot.hasData) return new Text('Loading...'); return new DataTable( columns: <DataColumn>[ new DataColumn( label: Text('type'), tooltip: 'Ordinary or service (1 day only, restricted time)', ), new DataColumn(label: Text('Key')), new DataColumn(label: Text('Check-in')), new

问题 How to populate a DataTable using StreamBuilder? Below is my code: new StreamBuilder( stream: widget._returnStreamWithActiveKeysOnly(), builder: (BuildContext context, AsyncSnapshot<QuerySnapshot> snapshot) { if (!snapshot.hasData) return new Text('Loading...'); return new DataTable( columns: <DataColumn>[ new DataColumn( label: Text('type'), tooltip: 'Ordinary or service (1 day only, restricted time)', ), new DataColumn(label: Text('Key')), new DataColumn(label: Text('Check-in')), new

问题 How to populate a DataTable using StreamBuilder? Below is my code: new StreamBuilder( stream: widget._returnStreamWithActiveKeysOnly(), builder: (BuildContext context, AsyncSnapshot<QuerySnapshot> snapshot) { if (!snapshot.hasData) return new Text('Loading...'); return new DataTable( columns: <DataColumn>[ new DataColumn( label: Text('type'), tooltip: 'Ordinary or service (1 day only, restricted time)', ), new DataColumn(label: Text('Key')), new DataColumn(label: Text('Check-in')), new

问题 I'm trying to figure out a way to get a collection of documents along with their subcollection data. For example, my tree is... -locations -{locationId} -historic -april -airTemp: 12.4 -displayOrder: 4 -august -airTemp: 14.5 -displayOrder: 9 -december -airTemp: 13.5 -displayOrder: 12 etc.. ...where locationId is a document and historic is the subcollection with monthly documents in it. I know how to get the top level collection items and store it into an array but I want to add their

问题 I'm trying to retrieve those both values from FireStore lastname "test" (string) name "Carlos" (String) However I'm getting this error *Another exception was thrown: NoSuchMethodError: Class 'QueryDocumentSnapshot' has no instance method '[]'. ═ Exception caught by widgets library ═ The following NoSuchMethodError was thrown building StreamBuilder<QuerySnapshot> (dirty, state: _StreamBuilderBaseState<QuerySnapshot, AsyncSnapshot<QuerySnapshot>>#e1fff): Class 'QueryDocumentSnapshot' has no

问题 I'm trying to retrieve those both values from FireStore lastname "test" (string) name "Carlos" (String) However I'm getting this error *Another exception was thrown: NoSuchMethodError: Class 'QueryDocumentSnapshot' has no instance method '[]'. ═ Exception caught by widgets library ═ The following NoSuchMethodError was thrown building StreamBuilder<QuerySnapshot> (dirty, state: _StreamBuilderBaseState<QuerySnapshot, AsyncSnapshot<QuerySnapshot>>#e1fff): Class 'QueryDocumentSnapshot' has no

问题 I use Firestore database in my app. Now, is it possible to search for a particular word in multiple fields? For example: Imagine a word like "cheesecake" . Now, I have 100 documents in collection and each document has 10 different fields. Can I filter for the word on all of the fields , so that it returns any document that contains the word "cheesecake" in any of the fields , in Flutter? 回答1: No , you cannot do this . Looking at the Firebase Firestore Documentation page about queries, you

问题 I use Firestore database in my app. Now, is it possible to search for a particular word in multiple fields? For example: Imagine a word like "cheesecake" . Now, I have 100 documents in collection and each document has 10 different fields. Can I filter for the word on all of the fields , so that it returns any document that contains the word "cheesecake" in any of the fields , in Flutter? 回答1: No , you cannot do this . Looking at the Firebase Firestore Documentation page about queries, you

问题 I use Firestore database in my app. Now, is it possible to search for a particular word in multiple fields? For example: Imagine a word like "cheesecake" . Now, I have 100 documents in collection and each document has 10 different fields. Can I filter for the word on all of the fields , so that it returns any document that contains the word "cheesecake" in any of the fields , in Flutter? 回答1: No , you cannot do this . Looking at the Firebase Firestore Documentation page about queries, you

问题 I use Firestore database in my app. Now, is it possible to search for a particular word in multiple fields? For example: Imagine a word like "cheesecake" . Now, I have 100 documents in collection and each document has 10 different fields. Can I filter for the word on all of the fields , so that it returns any document that contains the word "cheesecake" in any of the fields , in Flutter? 回答1: No , you cannot do this . Looking at the Firebase Firestore Documentation page about queries, you