Local Notifications and Push Notifications, throught Firebase or another services, using Flutter

Awesome Notifications - Flutter

Features

Create Local Notifications on Android, iOS and Web using Flutter.
Create Push notifications using services as Firebase or any another one, simultaneously;
Easy to use and highly customizable.
Add images, sounds, buttons and different layouts on your notifications.
Notifications could be created at any moment (on Foreground, Background or even when the application is killed).
High trustworthy on receive notifications in any Application lifecycle.
High quality data analytics about when the notification was created, where it came from and when the user taps on it. Ideal for applying AB tests approaches, etc, increasing the users engagement.
Notifications are received on Flutter level code when they are created, displayed or even tapped by the user.
Notifications could be scheduled repeatedly using Cron rules, such linux does, including seconds precision.

Notification Types Available

Basic notification
Big picture notification
Media notification
Big Text notification
Inbox notification
Notifications with action buttons
Grouped notifications
Progress bar notifications

All notifications could be created localy or via Firebase services, with all the features.

Some examples of notifications produced using awesome notifications

ATENTION - PLUGIN UNDER CONSTRUCTION

Working progress percentages of awesome notifications plugin

Main Philosophy

Considering all the many different devices available, with different hardware and software resources, this plugin ALWAYS shows the notification, trying to use the maximum resources available. If the resource is not available, the notification ignores that specifc resource, but it shows anyway.

Example: If the device has LED colored lights, use it. Otherwise, ignore the lights, but shows the notification with all another resources available. In last case, shows at least the most basic notification.

Also, the Noification Channels follows the same rule. If there is no channel segregation of notifications, use the channel configuration as only defaults configuration. If the device has channels, use it as expected to be.

And all notifications sent while the app was killed are registered and delivered as soon as possible to the Application, after the plugin initialziation, respecting the delivery order.

This way, your Application will receive all notifications at Flutter level code.

A very simple example

Add awesome_notifications as a dependency in your pubspec.yaml file.

  awesome_notifications: any

import the plugin package to your dart code

import 'package:awesome_notifications/awesome_notifications.dart';

Initialize the plugin on main.dart, with at least one native icon and one channel

AwesomeNotifications().initialize(
    'resource://drawable/app_icon',
    [
        NotificationChannel(
            channelKey: 'basic_channel',
            channelName: 'Basic notifications',
            channelDescription: 'Notification channel for basic tests',
            defaultColor: Color(0xFF9D50DD),
            ledColor: Colors.white
        )
    ]
);

On your main page, starts to listen the notification actions (to detect tap)

AwesomeNotifications().receivedActionStream.listen(
    (receivedNotification){

        Navigator.of(context).pushName(context,
            '/NotificationPage',
            arguments: { id: receivedNotification.id } // your page params. I recomend to you to pass all *receivedNotification* object
        );

    }
);

In any place of your app, create a new notification

AwesomeNotifications().createNotification(
  content: NotificationContent(
      id: 10,
      channelKey: 'basic_channel',
      title: 'Simple Notification',
      body: 'Simple body'
  )
);

THATS IT! CONGRATZ MY FRIEND!!!

Using Firebase Services (Optional)

To activate the Firebase Cloud Messaging service, please follow these steps:

Android

First things first, to create your Firebase Cloud Message and send notifications even when your app is terminated (killed), go to the Firebase Console and create a new project.

After that, go to “Cloud Messaging” option and add an “Android app”, put the packge name of your project (certifies to put the correct one) to generate the file google-services.json.

Download the file and place it inside your android/app folder.

Add the classpath to the [project]/android/build.gradle file. (Firebase ones was already added by the plugin)

dependencies {
    classpath 'com.android.tools.build:gradle:3.5.0'
    // Add the google services classpath
    classpath 'com.google.gms:google-services:4.3.3'
}

Add the apply plugin to the [project]/android/app/build.gradle file.

// ADD THIS AT THE BOTTOM
apply plugin: 'com.google.gms.google-services'

iOS

In construction…

I will deploy the other platforms as soon as possible. Im doing all by my own, with a lack of resources. Please, be patient.

Firebase Token

The firebase token is necessary to your sever send Push Notifications to the remote device. The token could eventually change and is created to every device installation on each application.

Every token created could be captured on Flutter by this plugin listen to ``

Notification Life Cycle

Notifications are received by local code or FCM using native code, so the messages will appears immediately or at schedule time, independent of your application state.

Flutter Streams

The Flutter code will be called as soon as possible using Dart Streams.

createdStream: Fires when a notification is created displayedStream: Fires when a notification is displayed on system status bar actionStream: Fires when a notification is tapped by the user

	App in Foreground	App in Background	App Terminated (Killed)
Android	Fires all streams immediately after occurs	Fires all streams immediately after occurs	Fires `createdStream` and `displayedStream` after the plugin initializes, but fires `actionStream` immediately after occurs
iOS	Fires all streams immediately after occurs	Fires all streams immediately after occurs	Fires `createdStream` and `displayedStream` after the plugin initializes, but fires `actionStream` immediately after occurs

Notification Structures

Notification Layout Types

To show any images on notification, at any place, you need to include the respective source prefix before the path.

Images can be defined using 4 prefix types:

Default: The default layout. Also is the layout used in case of any failure found on other ones
BigPicture: Is the layout that shows a big picture and/or a small image.
BigText: Is the layout that shows more than 2 lines of text.
Inbox: Is the layout who lists messages or items separated by lines
ProgressBar: Is the layout that shows a progress bar, such as download progress bar
Messaging: (in construction)
MediaPlayer: Is the layout that shows a media controller with action buttons, that allows the user to send commands without brings the application to foreground.

Media Source Types

To show any images on notification, at any place, you need to include the respective source prefix before the path.

Images can be defined using 4 prefix types:

Asset: images access through Flutter asset method. Example: asset://path/to/image-asset.png
Network: images access through internet connection. Example: http(s)://url.com/to/image-asset.png
File: images access through files stored on device. Example: file://path/to/image-asset.png
Resource: images access through drawable native resources. Example: resource://url.com/to/image-asset.png

OBS: Unfortunately, icons can be only resource media types.

Notification Action Button Types

Notifications action buttons could be classified in 3 types:

Default: after user taps, the notification bar is closed and an action event is fired.
InputField: after user taps, a input text field is displayed to capture input by the user.
DisabledAction: after user taps, the notification bar is closed, but the respective action event is not fired.
KeepOnTop: after user taps, the notification bar is not closed, but an action event is fired.

Scheduling a notification

Notifications could be scheduled as you wish using two main options:

initialDate: (YYYY-MM-DD hh:mm:ss) The initial date that schedule should be called by first time
crontabSchedule: Crontab expression as repetition rule (with seconds precision), as described in this article
allowWhileIdle: Determines if notification will send, even when the device is in critical situation, such as low battery.

FCM data example

To send a notification using Awesome Notifications and FCM Services, use only the data field as bellow:

OBS: actionButtons and schedule are optional

{
    "to" : "[YOUR APP TOKEN]",
    "collapse_key" : "type_a",
    "data" : {
        "content": {
            "id": 100,
            "channelKey": "big_picture",
            "title": "Huston!\nThe eagle has landed!",
            "body": "A small step for a man, but a giant leap to Flutter's community!",
            "notificationLayout": "BigPicture",
            "largeIcon": "https://avidabloga.files.wordpress.com/2012/08/emmemc3b3riadeneilarmstrong3.jpg",
            "bigPicture": "https://www.dw.com/image/49519617_303.jpg",
            "showWhen": true,
            "autoCancel": true,
            "privacy": "Private"
        },
        "actionButtons": [
            {
                "key": "REPLY",
                "label": "Reply",
                "autoCancel": true,
                "buttonType":  "InputField",
            },
            {
                "key": "ARCHIVE",
                "label": "Archive",
                "autoCancel": true
            }
        ],
        "schedule": {
            "initialDateTime": "2020-08-30 11:00:00",
            "crontabSchedule": "5 38 20 ? * MON-FRI *",
            "allowWhileIdle": true
        }
    }
}

Read me construction in progress… please be patient

Download Details:

Author: rafaelsetragni

Source Code: https://github.com/rafaelsetragni/awesome_notifications

#flutter #dart #mobile-apps

What is GEEK

Buddha Community

Local Notifications and Push Notifications, throught Firebase or another services, using Flutter

Destiny Volkman

1597014000

Google's Flutter 1.20 stable announced with new features - Navoki

Flutter Google cross-platform UI framework has released a new version 1.20 stable.

Flutter is Google’s UI framework to make apps for Android, iOS, Web, Windows, Mac, Linux, and Fuchsia OS. Since the last 2 years, the flutter Framework has already achieved popularity among mobile developers to develop Android and iOS apps. In the last few releases, Flutter also added the support of making web applications and desktop applications.

Last month they introduced the support of the Linux desktop app that can be distributed through Canonical Snap Store(Snapcraft), this enables the developers to publish there Linux desktop app for their users and publish on Snap Store. If you want to learn how to Publish Flutter Desktop app in Snap Store that here is the tutorial.

Flutter 1.20 Framework is built on Google’s made Dart programming language that is a cross-platform language providing native performance, new UI widgets, and other more features for the developer usage.

Here are the few key points of this release:

Performance improvements for Flutter and Dart

In this release, they have got multiple performance improvements in the Dart language itself. A new improvement is to reduce the app size in the release versions of the app. Another performance improvement is to reduce junk in the display of app animation by using the warm-up phase.

sksl_warm-up

If your app is junk information during the first run then the Skia Shading Language shader provides for pre-compilation as part of your app’s build. This can speed it up by more than 2x.

Added a better support of mouse cursors for web and desktop flutter app,. Now many widgets will show cursor on top of them or you can specify the type of supported cursor you want.

Autofill for mobile text fields

Autofill was already supported in native applications now its been added to the Flutter SDK. Now prefilled information stored by your OS can be used for autofill in the application. This feature will be available soon on the flutter web.

flutter_autofill

A new widget for interaction

InteractiveViewer is a new widget design for common interactions in your app like pan, zoom drag and drop for resizing the widget. Informations on this you can check more on this API documentation where you can try this widget on the DartPad. In this release, drag-drop has more features added like you can know precisely where the drop happened and get the position.

Updated Material Slider, RangeSlider, TimePicker, and DatePicker

In this new release, there are many pre-existing widgets that were updated to match the latest material guidelines, these updates include better interaction with Slider and RangeSlider, DatePicker with support for date range and time picker with the new style.

flutter_DatePicker

New `pubspec.yaml` format

Other than these widget updates there is some update within the project also like in pubspec.yaml file format. If you are a flutter plugin publisher then your old pubspec.yaml is no longer supported to publish a plugin as the older format does not specify for which platform plugin you are making. All existing plugin will continue to work with flutter apps but you should make a plugin update as soon as possible.

Preview of embedded Dart DevTools in Visual Studio Code

Visual Studio code flutter extension got an update in this release. You get a preview of new features where you can analyze that Dev tools in your coding workspace. Enable this feature in your vs code by _dart.previewEmbeddedDevTools_setting. Dart DevTools menu you can choose your favorite page embed on your code workspace.

Network tracking

The updated the Dev tools comes with the network page that enables network profiling. You can track the timings and other information like status and content type of your** network calls** within your app. You can also monitor gRPC traffic.

Generate type-safe platform channels for platform interop

Pigeon is a command-line tool that will generate types of safe platform channels without adding additional dependencies. With this instead of manually matching method strings on platform channel and serializing arguments, you can invoke native class and pass nonprimitive data objects by directly calling the Dartmethod.

There is still a long list of updates in the new version of Flutter 1.2 that we cannot cover in this blog. You can get more details you can visit the official site to know more. Also, you can subscribe to the Navoki newsletter to get updates on these features and upcoming new updates and lessons. In upcoming new versions, we might see more new features and improvements.

You can get more free Flutter tutorials you can follow these courses:

#dart #developers #flutter #app developed #dart devtools in visual studio code #firebase local emulator suite in flutter #flutter autofill #flutter date picker #flutter desktop linux app build and publish on snapcraft store #flutter pigeon #flutter range slider #flutter slider #flutter time picker #flutter tutorial #flutter widget #google flutter #linux #navoki #pubspec format #setup flutter desktop on windows

Chloe Butler

1667425440

Pdf2gerb: Perl Script Converts PDF Files to Gerber format

pdf2gerb

Perl script converts PDF files to Gerber format

Pdf2Gerb generates Gerber 274X photoplotting and Excellon drill files from PDFs of a PCB. Up to three PDFs are used: the top copper layer, the bottom copper layer (for 2-sided PCBs), and an optional silk screen layer. The PDFs can be created directly from any PDF drawing software, or a PDF print driver can be used to capture the Print output if the drawing software does not directly support output to PDF.

The general workflow is as follows:

Design the PCB using your favorite CAD or drawing software.
Print the top and bottom copper and top silk screen layers to a PDF file.
Run Pdf2Gerb on the PDFs to create Gerber and Excellon files.
Use a Gerber viewer to double-check the output against the original PCB design.
Make adjustments as needed.
Submit the files to a PCB manufacturer.

Please note that Pdf2Gerb does NOT perform DRC (Design Rule Checks), as these will vary according to individual PCB manufacturer conventions and capabilities. Also note that Pdf2Gerb is not perfect, so the output files must always be checked before submitting them. As of version 1.6, Pdf2Gerb supports most PCB elements, such as round and square pads, round holes, traces, SMD pads, ground planes, no-fill areas, and panelization. However, because it interprets the graphical output of a Print function, there are limitations in what it can recognize (or there may be bugs).

See docs/Pdf2Gerb.pdf for install/setup, config, usage, and other info.

pdf2gerb_cfg.pm

#Pdf2Gerb config settings:
#Put this file in same folder/directory as pdf2gerb.pl itself (global settings),
#or copy to another folder/directory with PDFs if you want PCB-specific settings.
#There is only one user of this file, so we don't need a custom package or namespace.
#NOTE: all constants defined in here will be added to main namespace.
#package pdf2gerb_cfg;

use strict; #trap undef vars (easier debug)
use warnings; #other useful info (easier debug)


##############################################################################################
#configurable settings:
#change values here instead of in main pfg2gerb.pl file

use constant WANT_COLORS => ($^O !~ m/Win/); #ANSI colors no worky on Windows? this must be set < first DebugPrint() call

#just a little warning; set realistic expectations:
#DebugPrint("${\(CYAN)}Pdf2Gerb.pl ${\(VERSION)}, $^O O/S\n${\(YELLOW)}${\(BOLD)}${\(ITALIC)}This is EXPERIMENTAL software.  \nGerber files MAY CONTAIN ERRORS.  Please CHECK them before fabrication!${\(RESET)}", 0); #if WANT_DEBUG

use constant METRIC => FALSE; #set to TRUE for metric units (only affect final numbers in output files, not internal arithmetic)
use constant APERTURE_LIMIT => 0; #34; #max #apertures to use; generate warnings if too many apertures are used (0 to not check)
use constant DRILL_FMT => '2.4'; #'2.3'; #'2.4' is the default for PCB fab; change to '2.3' for CNC

use constant WANT_DEBUG => 0; #10; #level of debug wanted; higher == more, lower == less, 0 == none
use constant GERBER_DEBUG => 0; #level of debug to include in Gerber file; DON'T USE FOR FABRICATION
use constant WANT_STREAMS => FALSE; #TRUE; #save decompressed streams to files (for debug)
use constant WANT_ALLINPUT => FALSE; #TRUE; #save entire input stream (for debug ONLY)

#DebugPrint(sprintf("${\(CYAN)}DEBUG: stdout %d, gerber %d, want streams? %d, all input? %d, O/S: $^O, Perl: $]${\(RESET)}\n", WANT_DEBUG, GERBER_DEBUG, WANT_STREAMS, WANT_ALLINPUT), 1);
#DebugPrint(sprintf("max int = %d, min int = %d\n", MAXINT, MININT), 1); 

#define standard trace and pad sizes to reduce scaling or PDF rendering errors:
#This avoids weird aperture settings and replaces them with more standardized values.
#(I'm not sure how photoplotters handle strange sizes).
#Fewer choices here gives more accurate mapping in the final Gerber files.
#units are in inches
use constant TOOL_SIZES => #add more as desired
(
#round or square pads (> 0) and drills (< 0):
    .010, -.001,  #tiny pads for SMD; dummy drill size (too small for practical use, but needed so StandardTool will use this entry)
    .031, -.014,  #used for vias
    .041, -.020,  #smallest non-filled plated hole
    .051, -.025,
    .056, -.029,  #useful for IC pins
    .070, -.033,
    .075, -.040,  #heavier leads
#    .090, -.043,  #NOTE: 600 dpi is not high enough resolution to reliably distinguish between .043" and .046", so choose 1 of the 2 here
    .100, -.046,
    .115, -.052,
    .130, -.061,
    .140, -.067,
    .150, -.079,
    .175, -.088,
    .190, -.093,
    .200, -.100,
    .220, -.110,
    .160, -.125,  #useful for mounting holes
#some additional pad sizes without holes (repeat a previous hole size if you just want the pad size):
    .090, -.040,  #want a .090 pad option, but use dummy hole size
    .065, -.040, #.065 x .065 rect pad
    .035, -.040, #.035 x .065 rect pad
#traces:
    .001,  #too thin for real traces; use only for board outlines
    .006,  #minimum real trace width; mainly used for text
    .008,  #mainly used for mid-sized text, not traces
    .010,  #minimum recommended trace width for low-current signals
    .012,
    .015,  #moderate low-voltage current
    .020,  #heavier trace for power, ground (even if a lighter one is adequate)
    .025,
    .030,  #heavy-current traces; be careful with these ones!
    .040,
    .050,
    .060,
    .080,
    .100,
    .120,
);
#Areas larger than the values below will be filled with parallel lines:
#This cuts down on the number of aperture sizes used.
#Set to 0 to always use an aperture or drill, regardless of size.
use constant { MAX_APERTURE => max((TOOL_SIZES)) + .004, MAX_DRILL => -min((TOOL_SIZES)) + .004 }; #max aperture and drill sizes (plus a little tolerance)
#DebugPrint(sprintf("using %d standard tool sizes: %s, max aper %.3f, max drill %.3f\n", scalar((TOOL_SIZES)), join(", ", (TOOL_SIZES)), MAX_APERTURE, MAX_DRILL), 1);

#NOTE: Compare the PDF to the original CAD file to check the accuracy of the PDF rendering and parsing!
#for example, the CAD software I used generated the following circles for holes:
#CAD hole size:   parsed PDF diameter:      error:
#  .014                .016                +.002
#  .020                .02267              +.00267
#  .025                .026                +.001
#  .029                .03167              +.00267
#  .033                .036                +.003
#  .040                .04267              +.00267
#This was usually ~ .002" - .003" too big compared to the hole as displayed in the CAD software.
#To compensate for PDF rendering errors (either during CAD Print function or PDF parsing logic), adjust the values below as needed.
#units are pixels; for example, a value of 2.4 at 600 dpi = .0004 inch, 2 at 600 dpi = .0033"
use constant
{
    HOLE_ADJUST => -0.004 * 600, #-2.6, #holes seemed to be slightly oversized (by .002" - .004"), so shrink them a little
    RNDPAD_ADJUST => -0.003 * 600, #-2, #-2.4, #round pads seemed to be slightly oversized, so shrink them a little
    SQRPAD_ADJUST => +0.001 * 600, #+.5, #square pads are sometimes too small by .00067, so bump them up a little
    RECTPAD_ADJUST => 0, #(pixels) rectangular pads seem to be okay? (not tested much)
    TRACE_ADJUST => 0, #(pixels) traces seemed to be okay?
    REDUCE_TOLERANCE => .001, #(inches) allow this much variation when reducing circles and rects
};

#Also, my CAD's Print function or the PDF print driver I used was a little off for circles, so define some additional adjustment values here:
#Values are added to X/Y coordinates; units are pixels; for example, a value of 1 at 600 dpi would be ~= .002 inch
use constant
{
    CIRCLE_ADJUST_MINX => 0,
    CIRCLE_ADJUST_MINY => -0.001 * 600, #-1, #circles were a little too high, so nudge them a little lower
    CIRCLE_ADJUST_MAXX => +0.001 * 600, #+1, #circles were a little too far to the left, so nudge them a little to the right
    CIRCLE_ADJUST_MAXY => 0,
    SUBST_CIRCLE_CLIPRECT => FALSE, #generate circle and substitute for clip rects (to compensate for the way some CAD software draws circles)
    WANT_CLIPRECT => TRUE, #FALSE, #AI doesn't need clip rect at all? should be on normally?
    RECT_COMPLETION => FALSE, #TRUE, #fill in 4th side of rect when 3 sides found
};

#allow .012 clearance around pads for solder mask:
#This value effectively adjusts pad sizes in the TOOL_SIZES list above (only for solder mask layers).
use constant SOLDER_MARGIN => +.012; #units are inches

#line join/cap styles:
use constant
{
    CAP_NONE => 0, #butt (none); line is exact length
    CAP_ROUND => 1, #round cap/join; line overhangs by a semi-circle at either end
    CAP_SQUARE => 2, #square cap/join; line overhangs by a half square on either end
    CAP_OVERRIDE => FALSE, #cap style overrides drawing logic
};
    
#number of elements in each shape type:
use constant
{
    RECT_SHAPELEN => 6, #x0, y0, x1, y1, count, "rect" (start, end corners)
    LINE_SHAPELEN => 6, #x0, y0, x1, y1, count, "line" (line seg)
    CURVE_SHAPELEN => 10, #xstart, ystart, x0, y0, x1, y1, xend, yend, count, "curve" (bezier 2 points)
    CIRCLE_SHAPELEN => 5, #x, y, 5, count, "circle" (center + radius)
};
#const my %SHAPELEN =
#Readonly my %SHAPELEN =>
our %SHAPELEN =
(
    rect => RECT_SHAPELEN,
    line => LINE_SHAPELEN,
    curve => CURVE_SHAPELEN,
    circle => CIRCLE_SHAPELEN,
);

#panelization:
#This will repeat the entire body the number of times indicated along the X or Y axes (files grow accordingly).
#Display elements that overhang PCB boundary can be squashed or left as-is (typically text or other silk screen markings).
#Set "overhangs" TRUE to allow overhangs, FALSE to truncate them.
#xpad and ypad allow margins to be added around outer edge of panelized PCB.
use constant PANELIZE => {'x' => 1, 'y' => 1, 'xpad' => 0, 'ypad' => 0, 'overhangs' => TRUE}; #number of times to repeat in X and Y directions

# Set this to 1 if you need TurboCAD support.
#$turboCAD = FALSE; #is this still needed as an option?

#CIRCAD pad generation uses an appropriate aperture, then moves it (stroke) "a little" - we use this to find pads and distinguish them from PCB holes. 
use constant PAD_STROKE => 0.3; #0.0005 * 600; #units are pixels
#convert very short traces to pads or holes:
use constant TRACE_MINLEN => .001; #units are inches
#use constant ALWAYS_XY => TRUE; #FALSE; #force XY even if X or Y doesn't change; NOTE: needs to be TRUE for all pads to show in FlatCAM and ViewPlot
use constant REMOVE_POLARITY => FALSE; #TRUE; #set to remove subtractive (negative) polarity; NOTE: must be FALSE for ground planes

#PDF uses "points", each point = 1/72 inch
#combined with a PDF scale factor of .12, this gives 600 dpi resolution (1/72 * .12 = 600 dpi)
use constant INCHES_PER_POINT => 1/72; #0.0138888889; #multiply point-size by this to get inches

# The precision used when computing a bezier curve. Higher numbers are more precise but slower (and generate larger files).
#$bezierPrecision = 100;
use constant BEZIER_PRECISION => 36; #100; #use const; reduced for faster rendering (mainly used for silk screen and thermal pads)

# Ground planes and silk screen or larger copper rectangles or circles are filled line-by-line using this resolution.
use constant FILL_WIDTH => .01; #fill at most 0.01 inch at a time

# The max number of characters to read into memory
use constant MAX_BYTES => 10 * M; #bumped up to 10 MB, use const

use constant DUP_DRILL1 => TRUE; #FALSE; #kludge: ViewPlot doesn't load drill files that are too small so duplicate first tool

my $runtime = time(); #Time::HiRes::gettimeofday(); #measure my execution time

print STDERR "Loaded config settings from '${\(__FILE__)}'.\n";
1; #last value must be truthful to indicate successful load


#############################################################################################
#junk/experiment:

#use Package::Constants;
#use Exporter qw(import); #https://perldoc.perl.org/Exporter.html

#my $caller = "pdf2gerb::";

#sub cfg
#{
#    my $proto = shift;
#    my $class = ref($proto) || $proto;
#    my $settings =
#    {
#        $WANT_DEBUG => 990, #10; #level of debug wanted; higher == more, lower == less, 0 == none
#    };
#    bless($settings, $class);
#    return $settings;
#}

#use constant HELLO => "hi there2"; #"main::HELLO" => "hi there";
#use constant GOODBYE => 14; #"main::GOODBYE" => 12;

#print STDERR "read cfg file\n";

#our @EXPORT_OK = Package::Constants->list(__PACKAGE__); #https://www.perlmonks.org/?node_id=1072691; NOTE: "_OK" skips short/common names

#print STDERR scalar(@EXPORT_OK) . " consts exported:\n";
#foreach(@EXPORT_OK) { print STDERR "$_\n"; }
#my $val = main::thing("xyz");
#print STDERR "caller gave me $val\n";
#foreach my $arg (@ARGV) { print STDERR "arg $arg\n"; }

Download Details:

Author: swannman
Source Code: https://github.com/swannman/pdf2gerb

License: GPL-3.0 license

#perl

Terry Tremblay

1598396940

What is Flutter and why you should learn it?

Flutter is an open-source UI toolkit for mobile developers, so they can use it to build native-looking** Android and iOS** applications from the same code base for both platforms. Flutter is also working to make Flutter apps for Web, PWA (progressive Web-App) and Desktop platform (Windows,macOS,Linux).

flutter-mobile-desktop-web-embedded_min

Flutter was officially released in December 2018. Since then, it has gone a much stronger flutter community.

There has been much increase in flutter developers, flutter packages, youtube tutorials, blogs, flutter examples apps, official and private events, and more. Flutter is now on top software repos based and trending on GitHub.

Flutter meaning?

What is Flutter? this question comes to many new developer’s mind.

humming_bird_dart_flutter

Flutter means flying wings quickly, and lightly but obviously, this doesn’t apply in our SDK.

So Flutter was one of the companies that were acquired by **Google **for around $40 million. That company was based on providing gesture detection and recognition from a standard webcam. But later when the Flutter was going to release in alpha version for developer it’s name was Sky, but since Google already owned Flutter name, so they rename it to Flutter.

Where Flutter is used?

Flutter is used in many startup companies nowadays, and even some MNCs are also adopting Flutter as a mobile development framework. Many top famous companies are using their apps in Flutter. Some of them here are

Dream11

NuBank

Reflectly app

Abbey Road Studios

and many more other apps. Mobile development companies also adopted Flutter as a service for their clients. Even I was one of them who developed flutter apps as a freelancer and later as an IT company for mobile apps.

Flutter as a service

#dart #flutter #uncategorized #flutter framework #flutter jobs #flutter language #flutter meaning #flutter meaning in hindi #google flutter #how does flutter work #what is flutter

Punith Raaj

1644991598

The Ultimate Guide To Tik Tok Clone App With Firebase - Ep 2

The Ultimate Guide To Tik Tok Clone App With Firebase - Ep 2
In this video, I'm going to show you how to make a Cool Tik Tok App a new Instagram using Flutter,firebase and visual studio code.

In this tutorial, you will learn how to Upload a Profile Pic to Firestore Data Storage.

🚀 Nice, clean and modern TikTok Clone #App #UI made in #Flutter⚠️

Starter Project : https://github.com/Punithraaj/Flutter_Tik_Tok_Clone_App/tree/Episode1

► Timestamps
0:00 Intro 0:20
Upload Profile Screen
16:35 Image Picker
20:06 Image Cropper
24:25 Firestore Data Storage Configuration.

⚠️ IMPORTANT: If you want to learn, I strongly advise you to watch the video at a slow speed and try to follow the code and understand what is done, without having to copy the code, and then download it from GitHub.

► Social Media
GitHub: https://github.com/Punithraaj/Flutter_Tik_Tok_Clone_App.git
LinkedIn: https://www.linkedin.com/in/roaring-r...
Twitter: https://twitter.com/roaringraaj
Facebook: https://www.facebook.com/flutterdartacademy

► Previous Episode : https://youtu.be/QnL3fr-XpC4
► Playlist: https://youtube.com/playlist?list=PL6vcAuTKAaYe_9KQRsxTsFFSx78g1OluK

I hope you liked it, and don't forget to like,comment, subscribe, share this video with your friends, and star the repository on GitHub!
⭐️ Thanks for watching the video and for more updates don't forget to click on the notification.
⭐️Please comment your suggestion for my improvement.
⭐️Remember to like, subscribe, share this video, and star the repo on Github :)

Hope you enjoyed this video!
If you loved it, you can Buy me a coffee : https://www.buymeacoffee.com/roaringraaj

LIKE & SHARE & ACTIVATE THE BELL Thanks For Watching :-)

https://youtu.be/F_GgZVD4sDk

#flutter tutorial - tiktok clone with firebase #flutter challenge @tiktokclone #fluttertutorial firebase #flutter firebase #flutter pageview #morioh #flutter

AppClues Infotech

1627129340

Best Flutter App Development Services in USA

Looking for the best-in-class Flutter app development services in USA? We at AppClues Infotech offer next-generation mobile app development services using Google’s powerful framework, Flutter.

Our extremely trustworthy and exceptional Flutter app developers help enterprises and businesses to design high-quality native interfaces on cross-platform.

If you have any project ideas, hiring our Flutter app development services helps you get multi-platform applications with seamless animations, appealing UI, and excellent performance.

Flutter Mobile App Development Services
• Flutter Custom App Development
• Flutter App UI/UX Design
• Flutter Widget Development
• Flutter App QA Testing & Maintenance
• Flutter App Updations & Migration
• Flutter for Embedded Devices
• Flutter Development Consultation

For more info:
Website: https://www.appcluesinfotech.com/
Email: info@appcluesinfotech.com
Call: +1-978-309-9910

#top flutter app development company in usa #best flutter app development service in usa #best flutter app development company usa #hire flutter app developers in usa #best flutter app development services in usa #custom flutter app development services in usa

Local Notifications and Push Notifications, throught Firebase or another services, using Flutter

Awesome Notifications - Flutter

Features

Notification Types Available

ATENTION - PLUGIN UNDER CONSTRUCTION

Main Philosophy

A very simple example

Using Firebase Services (Optional)

Android

iOS

Firebase Token

Notification Life Cycle

Flutter Streams

Notification Structures

Notification Layout Types

Media Source Types

Notification Action Button Types

Scheduling a notification

FCM data example

Download Details:

What is GEEK

Buddha Community

Google's Flutter 1.20 stable announced with new features - Navoki

Performance improvements for Flutter and Dart

Autofill for mobile text fields

Updated Material Slider, RangeSlider, TimePicker, and DatePicker

New pubspec.yaml format

Preview of embedded Dart DevTools in Visual Studio Code

Network tracking

Generate type-safe platform channels for platform interop

Pdf2gerb: Perl Script Converts PDF Files to Gerber format

pdf2gerb

pdf2gerb_cfg.pm

Download Details:

What is Flutter and why you should learn it?

Flutter meaning?

Where Flutter is used?

Dream11

NuBank

Reflectly app

Abbey Road Studios

The Ultimate Guide To Tik Tok Clone App With Firebase - Ep 2

Best Flutter App Development Services in USA

New `pubspec.yaml` format