Guide to Solve different kinds of Problems (Page - 13)

In this example, we are going to show you how to calculate the distance of the direction routes path between two locations. First, we will fetch polyline coordinates from Google Map API. It contains the list of longitude and latitude, after that we will calculate the distance in KM.

In this example, we are going to show you how to fetch polyline points from Google Map Direction API and draw routes paths between two locations coordinates on Google Map in Flutter App.

In this example, we are going to show you how to push local notifications using Firebase Cloud Messaging (FCM) in Flutter App. We will push notification with REST API using cURL from PHP, Node.js to push the notification.

In this example, we are going to show you how to add images from the assets folder and from the network URL on the local notification in Flutter App. This App example code is the easiest way to show images on the local notifications in Flutter App.

In this example, we are going to show you how to add a radio button and use it in groups with options in Flutter App. The radio button is an important component that can be used in the form of data input from users.

In this example, we are going to show you how to implement local notification and display notification in Flutter App. We are going to show you the full App Example for both Android and iOS.

In this post, we are going to show you how to integrate Firebase core in Flutter App. Firebase core is necessary to use products of Firebase such as Firestore Database, Firebase Messaging, Realtime Messaging.

In this post, we are going to show you how to solve ʺLateInitializationError: Field has not been initialized Error in Flutterʺ error in Flutter App. This error occurs when you have used the ʺlateʺ variable before its initialization.

In this example, we are going to show you how to create a Horizontal scroll view or List view in Flutter App. We will set Scroll direction to Horizontal on ListView or SingleChildScrollView() widgets to make a Horizontal scroll view.

In this app example code, we are going to show you how to detect or listen Volume Hardware button press and identify which button is pressed, either volume up or down button in Flutter App.

In this example, we are going to show you how to increase or decrease volume, get current system volume, and listen to volume change in Flutter App.

In this example, we are going to show you how to enable Caching of JSON or any other resource from REST API. Cached JSON will be fetched whenever your app is offline or disconnected. We have used ʺPull to refreshʺ to refresh the cache.