Here is How to Style Flutter ElevatedButton shadow – or – to add a 1-pixel border with color rgba(223, 220, 211, 1) (Color.fromRGBO(223, 220, 211, 1) in Flutter), here’s how to update both approaches: ✅ Full Control (Recommended): With Container + BoxDecoration Container( decoration: BoxDecoration( color: Colors.blue, // Button background color borderRadius: BorderRadius.circular(8), border: Border.all(…
Category: Flutter
Flutter Email Sender not_available – No email clients found
The Flutter Email Sender – plugin throws the PlatformException(not_available, No email clients found!) error when it can’t find a default email client installed on the user’s device. This is especially common on Android devices where: No email app is installed (e.g., Gmail, Outlook). The app is not properly registered as an email handler. ✅ Workarounds…
Detect Flutter App Background
To detect if a Flutter app is in the background, you can use the WidgetsBindingObserver mixin in your StatefulWidget. Flutter provides AppLifecycleState to notify you when the app state changes — such as when it moves to the background, foreground, inactive, or is paused. ✅ Step-by-step Example: import ‘package:flutter/material.dart’; class MyHomePage extends StatefulWidget { @override…
In Flutter How to round corners of an Image
To round the corners of an Image.asset in Flutter, you can use a ClipRRect widget to apply a border radius, which clips the image into a rounded shape. Here’s a concise example: ClipRRect( borderRadius: BorderRadius.circular(16.0), // Adjust the radius for desired roundness child: Image.asset( ‘assets/image.jpg’, // Path to your image width: 100, height: 100, fit:…
How to make Flutter ShowDialog to Center the Popup
In Flutter, the default showDialog already centers the popup, but by default, a Dialog or AlertDialog tries to take a fixed width (on larger screens) and can stretch vertically if your content doesn’t constrain itself. If you want it perfectly centered and wrapping its content (no extra width/height), you should: Wrap your dialog content in…
Task every minute in BLoC
To run a task every minute in a Flutter app and manage it using BLoC, you can use a Timer.periodic and trigger BLoC events from it. Here’s a complete step-by-step setup: ✅ Step-by-Step Implementation 1. Event Class Define an event that your BLoC will respond to every minute. abstract class TimerEvent {} class TickEvent extends…
Modify SVG color Flutter
To change the color of the non-white parts of an SVG in Flutter using flutter_svg, you need to understand how SVG rendering works and apply color filters or replace fill attributes directly. ✅ Best Approach: Use colorFilter or replace colors in the SVG ✅ Method 1: Use colorFilter to tint non-white parts SvgPicture.asset( ‘assets/your_image.svg’, colorFilter:…
Simulating SocketException in Dio
A SocketException in Flutter/Dart (especially when using Dio) usually means the app couldn’t reach the backend due to network issues — e.g., server down, no internet, DNS fail, firewall block, etc. To test your UI’s error-handling, you can deliberately simulate these conditions during development. Here are several approaches ranked from easiest to most controlled: 1….
How to check if my Flutter App is Running on iPad
To check if your Flutter app is running on an iPad, you can use the device_info_plus package to get detailed device information and determine the device type. Step-by-step: Add dependency in your pubspec.yaml: dependencies: device_info_plus: ^10.1.0 # Use latest version Import and use it in your Dart code: import ‘package:device_info_plus/device_info_plus.dart’; import ‘dart:io’; Future<bool> isRunningOniPad() async…
Batch Push Notifications FCM
To batch send push notifications to users using Firebase Cloud Messaging (FCM), you have several options depending on your exact needs: ✅ 1. Batch Sending via FCM Device Group Messaging Use this if you want to send a message to multiple devices that belong to a single user (device group). Example Request (HTTP v1 API):…
