How do you add values in Map dynamically flutter?

Adding Maps inside Map<dynamic, dynamic > Dart/Flutter Update: my code: Map<dynamic, dynamic> theSnapShot; theSnapShot = { ‘map1’: { ‘-LyUAD8B0LpKZ-5-cRn-‘: { ‘CoordsMap’: [null, {‘FirstCoords’: ‘30.088,31.279’,}] } } }; Map<dynamic, dynamic> masterMap; masterMap. addAll(Map.

Map<K, V> class Null safety. A collection of key/value pairs, from which you retrieve a value using its associated key . There is a finite number of keys in the map, and each key has exactly one value associated with it.

Create a new Map in Dart/Flutter For example, HashMap map = HashMap<int, String>() is accepted. We can create a new LinkedHashMap using Map constructor like this. Map map = Map<int, String>(); if (map is LinkedHashMap) { print(“This is a LinkedHashMap.”); } // Result: This is a LinkedHashMap.

In Dart or any other programming language, A Map Object is a key-value pair to store string or any dynamic data. Here, In dart map, A key & value can be of any datatype, It means that we can store any data type because a map in dart language is a dynamic collection of data/information .20 Ara 2020