[Solved] Concurrent modification during iteration Error in Flutter
In this post, you will learn to solve the ʺConcurrent modification during iterationʺ error in Dart or Flutter. This error occurs when you modify Map while iteration, or during the loop, i.e. Add or remove an item from Map during the loop.
How to Draw Polylines on Google Map in Flutter
In this example, you will learn to draw polylines on Google Map in Flutter. Drawing polylines is an important factor of Google map to show path, direction or trails with different kind of color or lines, see the example below to dray polylines on Google Map:
How to Draw Polyline Trails of Moving Maker on Google Map in Flutter
In this example, you will learn how to draw polyline trails behind the marker while moving it from one location to another location on Google Map in Flutter. This feature is an important factor if you are making any GPS tracking or vehicle tracking app.
How to Move Marker Smoothly on Google Map in Flutter
In this example, you will learn how to move the position of the marker from one location to another location smoothly like running a vehicle on Google Maps in Flutter. Moving markers smoothly is a very important factor while you are making any app to show vehicles on Google Map.
How to Convert Map/Array List to JSON String in Flutter
In this post, we are going to show you how to convert a Map, Simple Array List, or List of Objects to JSON string in Flutter and Dart. You may need to convert array list or map to JSON string to save as string or send to the server as a string on your app.