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Author: Phuc Tran

Creator of Coflutter. Founder and CTO at Nextfunc. Daddy at home. Love Dart/Flutter, computer science and open source. Follow him on Twitter, Github, StackOverflow, LinkedIn, Upwork.

Jetpack Compose – How to create Floating action button

by Phuc TranDecember 19, 2020December 19, 2020Jetpack Compose / Kotlin / Mobile / Programming / TechnologyLeave a Comment on Jetpack Compose – How to create Floating action button

Continue reading “Jetpack Compose – How to create Floating action button”

Tagged : button / floating action button / jetpack / jetpack-compose

Dart/Flutter – How to capitalize first letter of each word in a String

by Phuc TranDecember 8, 2020December 8, 2020Dart / Flutter / Programming / TechnologyLeave a Comment on Dart/Flutter – How to capitalize first letter of each word in a String

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Tagged : capitalize / dart / flutter / string / title-case

Flutter – How to scroll ListView to top or bottom programmatically

by Phuc TranDecember 7, 2020Dart / Flutter / Mobile / Programming / TechnologyLeave a Comment on Flutter – How to scroll ListView to top or bottom programmatically

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Tagged : flutter / listview / scroll

Dart/Flutter – How to round a Number to N decimal places

by Phuc TranDecember 3, 2020December 3, 2020Dart / Flutter / Programming / Technology1 Comment on Dart/Flutter – How to round a Number to N decimal places

Continue reading “Dart/Flutter – How to round a Number to N decimal places”

Tagged : dart / decimal / double / flutter / round-number

Flutter – How to draw dashed line on Canvas

by Phuc TranNovember 26, 2020January 24, 2021Dart / Flutter / Mobile / Programming / TechnologyLeave a Comment on Flutter – How to draw dashed line on Canvas

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Tagged : canvas / custom-paint / dart / dashed / flutter / painter

Dart/Flutter – How to find the first date and the last date of a week

by Phuc TranNovember 24, 2020Dart / Flutter / Mobile / Programming / TechnologyLeave a Comment on Dart/Flutter – How to find the first date and the last date of a week

Continue reading “Dart/Flutter – How to find the first date and the last date of a week”

Tagged : dart / date / datetime / firstdate / flutter / lastdate

Flutter – How to change drawer hamburger icon color

by Phuc TranNovember 21, 2020November 21, 2020Dart / Flutter / Front-end / Mobile / Programming / Technology1 Comment on Flutter – How to change drawer hamburger icon color

Continue reading “Flutter – How to change drawer hamburger icon color”

Tagged : color / drawer-menu / flutter / icon-theme

Flutter – Navigation without context using GetX package

by Phuc TranNovember 16, 2020November 16, 2020Dart / Flutter / Programming / TechnologyLeave a Comment on Flutter – Navigation without context using GetX package

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Tagged : context / dart / flutter / getx / navigation

Dart/Flutter – How to extract emails from a String

by Phuc TranNovember 13, 2020November 13, 2020Dart / Flutter / Programming / Technology1 Comment on Dart/Flutter – How to extract emails from a String

Continue reading “Dart/Flutter – How to extract emails from a String”

Tagged : dart / email / extract / flutter / string

Dart/Flutter – How to validate an email address

by Phuc TranNovember 13, 2020November 13, 2020Dart / Flutter / Programming / TechnologyLeave a Comment on Dart/Flutter – How to validate an email address

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Tagged : dart / email / flutter / validate

Jetpack Compose – How to show dialog

by Phuc TranNovember 9, 2020December 7, 2020Android / Jetpack Compose / Mobile / TechnologyLeave a Comment on Jetpack Compose – How to show dialog

Continue reading “Jetpack Compose – How to show dialog”

Tagged : android / dialog / jetpack / jetpack-compose / mobile

Jetpack Compose – Create a new Compose project

by Phuc TranNovember 8, 2020November 8, 2020Jetpack Compose / Programming / TechnologyLeave a Comment on Jetpack Compose – Create a new Compose project

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Tagged : android / declarative-ui / jetpack / jetpack-compose

Dart/Flutter – How to parse String to number

by Phuc TranNovember 7, 2020November 8, 2020Dart / Flutter / Programming / TechnologyLeave a Comment on Dart/Flutter – How to parse String to number

Continue reading “Dart/Flutter – How to parse String to number”

Tagged : dart / float / flutter / integer / number / string

Dart/Flutter – How to check if a String is a number

by Phuc TranNovember 6, 2020November 6, 2020Dart / Flutter / TechnologyLeave a Comment on Dart/Flutter – How to check if a String is a number

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Tagged : dart / flutter / number / string

Flutter – How to create animated icon

by Phuc TranNovember 1, 2020November 1, 2020Dart / Flutter / Front-end / TechnologyLeave a Comment on Flutter – How to create animated icon

Continue reading “Flutter – How to create animated icon”

Tagged : animated-icon / animation / dart / flutter / tiker

Dart/Flutter – How to combine lists

by Phuc TranOctober 26, 2020October 26, 2020Dart / Flutter / Programming / TechnologyLeave a Comment on Dart/Flutter – How to combine lists

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Tagged : combine / concatenate / dart / flutter / list / spread-operator

Dart/Flutter – How to group items in a List

by Phuc TranOctober 25, 2020October 25, 2020Dart / Flutter / Programming / TechnologyLeave a Comment on Dart/Flutter – How to group items in a List

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Tagged : dart / flutter / group / list / map

Flutter – Setup localization in your application

by Phuc TranOctober 11, 2020October 11, 2020Dart / Flutter / Front-end / Programming / TechnologyLeave a Comment on Flutter – Setup localization in your application

Continue reading “Flutter – Setup localization in your application”

Tagged : flutter / I10n / I18n / localization / multi-languages

Dart/Flutter – How to create a repeating timer

by Phuc TranSeptember 26, 2020September 26, 2020Dart / Flutter / Programming / TechnologyLeave a Comment on Dart/Flutter – How to create a repeating timer

Continue reading “Dart/Flutter – How to create a repeating timer”

Tagged : dart / flutter / timer

Flutter – How to save JSON object to SharedPreferences

by Phuc TranSeptember 11, 2020September 11, 2020Dart / Flutter / Programming / Technology4 Comments on Flutter – How to save JSON object to SharedPreferences

Continue reading “Flutter – How to save JSON object to SharedPreferences”

Tagged : flutter / json / shared-preferences

Dart – Null-aware operators

by Phuc TranSeptember 3, 2020September 3, 2020Dart / Flutter / Programming / TechnologyLeave a Comment on Dart – Null-aware operators

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Tagged : dart / null-aware-operators

Dart/Flutter – How to clone/copy a list

by Phuc TranAugust 30, 2020August 30, 2020Dart / Flutter / Programming / TechnologyLeave a Comment on Dart/Flutter – How to clone/copy a list

Continue reading “Dart/Flutter – How to clone/copy a list”

Tagged : clone / collection / dart / dart:collection / flutter / list

Dart/Flutter – How to solve naming conflict or ambiguous import

by Phuc TranAugust 26, 2020August 28, 2020Dart / Flutter / Front-end / Programming / TechnologyLeave a Comment on Dart/Flutter – How to solve naming conflict or ambiguous import

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Tagged : conflict / dart / flutter / import / troubleshoot

Flutter – Animation with AnimatedContainer

by Phuc TranAugust 25, 2020August 26, 2020Dart / Flutter / Front-end / TechnologyLeave a Comment on Flutter – Animation with AnimatedContainer

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Tagged : animated / animated-container / animation / container / flutter

Flutter – Generate random color

by Phuc TranAugust 24, 2020August 24, 2020Dart / Flutter / Programming / TechnologyLeave a Comment on Flutter – Generate random color

Continue reading “Flutter – Generate random color”

Tagged : dart / flutter / random-color

Dart/Flutter – How to parse JSON using dart:convert

by Phuc TranAugust 23, 2020November 3, 2020Dart / Flutter / Programming / Technology2 Comments on Dart/Flutter – How to parse JSON using dart:convert

Continue reading “Dart/Flutter – How to parse JSON using dart:convert”

Tagged : dart / dart:convert / flutter / json

Dart – Call functions in a uncommon way with Function.apply() method

by Phuc TranAugust 21, 2020August 22, 2020Dart / Flutter / Programming / TechnologyLeave a Comment on Dart – Call functions in a uncommon way with Function.apply() method

Continue reading “Dart – Call functions in a uncommon way with Function.apply() method”

Tagged : dart / function

Flutter – How to show and hide/dismiss keyboard

by Phuc TranAugust 19, 2020August 20, 2020Flutter / Front-end / Programming11 Comments on Flutter – How to show and hide/dismiss keyboard

Continue reading “Flutter – How to show and hide/dismiss keyboard”

Tagged : flutter / focusnode / keyboard

String in Dart/Flutter – Things you should know

by Phuc TranAugust 17, 2020August 19, 2020Dart / Flutter / Programming / TechnologyLeave a Comment on String in Dart/Flutter – Things you should know

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Tagged : dart / flutter / string

Dart/Flutter – How to format String (String Interpolation)

by Phuc TranAugust 16, 2020August 23, 2020Dart / Programming / TechnologyLeave a Comment on Dart/Flutter – How to format String (String Interpolation)

Continue reading “Dart/Flutter – How to format String (String Interpolation)”

Tagged : dart / interpolation / string

Flutter – How to show SnackBar

by Phuc TranAugust 14, 2020November 21, 2020Dart / Flutter / Front-end / TechnologyLeave a Comment on Flutter – How to show SnackBar

Continue reading “Flutter – How to show SnackBar”

Tagged : flutter / scaffold / snackbar

Dart – Find min, max in a List using dart:math and list reduce()

by Phuc TranAugust 12, 2020November 6, 2020Dart / Flutter / Programming / TechnologyLeave a Comment on Dart – Find min, max in a List using dart:math and list reduce()

Continue reading “Dart – Find min, max in a List using dart:math and list reduce()”

Tagged : dart / flutter / list / math / max / min

Dart – Callable classes

by Phuc TranAugust 11, 2020August 11, 2020Dart / Programming / TechnologyLeave a Comment on Dart – Callable classes

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Tagged : callable class / class / dart

Dart – How to read a file

by Phuc TranAugust 10, 2020August 10, 2020TechnologyLeave a Comment on Dart – How to read a file

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Tagged : dart / file

Dart – Parse custom DateTime string to DateTime

by Phuc TranAugust 6, 2020August 10, 2020Dart / Programming / TechnologyLeave a Comment on Dart – Parse custom DateTime string to DateTime

Continue reading “Dart – Parse custom DateTime string to DateTime”

Tagged : dar / datetime / flutter / parse

Dart – String padding (left or right)

by Phuc TranAugust 6, 2020August 10, 2020Dart / Programming / TechnologyLeave a Comment on Dart – String padding (left or right)

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Tagged : dart / padding / string

Dart – Filter items in a list by type

by Phuc TranAugust 4, 2020August 17, 2020Dart / Programming / TechnologyLeave a Comment on Dart – Filter items in a list by type

Continue reading “Dart – Filter items in a list by type”

Tagged : collection / dart / filter / list / type

Dart – How to find an item in a list

by Phuc TranAugust 1, 2020August 3, 2020Dart / Programming / TechnologyLeave a Comment on Dart – How to find an item in a list

Continue reading “Dart – How to find an item in a list”

Tagged : collection / dart / filter / list

Dart – How to generate random number

by Phuc TranAugust 1, 2020August 17, 2020Dart / Programming / TechnologyLeave a Comment on Dart – How to generate random number

Continue reading “Dart – How to generate random number”

Tagged : dart / flutter / math / random-number

Flutter – How to solve “Missing Purpose String in Info.plist File”

by Phuc TranJuly 31, 2020August 26, 2020Dart / Flutter / Technology4 Comments on Flutter – How to solve “Missing Purpose String in Info.plist File”

Continue reading “Flutter – How to solve “Missing Purpose String in Info.plist File””

Tagged : appstore / flutter / permission / purpose-string / testflight

Dart – Get current DateTime

by Phuc TranJuly 30, 2020October 29, 2020Dart / Programming1 Comment on Dart – Get current DateTime

Continue reading “Dart – Get current DateTime”

Tagged : dart / datetime

Dart – Convert String to Byte array

by Phuc TranJuly 29, 2020July 30, 2020Dart / Programming / TechnologyLeave a Comment on Dart – Convert String to Byte array

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Tagged : byte / convert / dart / flutter / string

Dart – How to replace whitespace(s) between words in a string

by Phuc TranJuly 29, 2020July 29, 2020Dart / Programming / TechnologyLeave a Comment on Dart – How to replace whitespace(s) between words in a string

Continue reading “Dart – How to replace whitespace(s) between words in a string”

Tagged : dart / flutter / replace / string / whitespace

Dart/Flutter – How to compare 2 objects

by Phuc TranJuly 29, 2020July 29, 2020Dart / Programming / Technology2 Comments on Dart/Flutter – How to compare 2 objects

Continue reading “Dart/Flutter – How to compare 2 objects”

Tagged : compare / dart / equality-operator / flutter / hashcode / object

Dart – How to print an object

by Phuc TranJuly 27, 2020October 25, 2020Dart / Programming / Technology6 Comments on Dart – How to print an object

Continue reading “Dart – How to print an object”

Tagged : dart / flutter / inheritance / object / override / print / toString

Dart/Flutter – How to validate a phone number

by Phuc TranJuly 25, 2020November 13, 2020Dart / Programming / TechnologyLeave a Comment on Dart/Flutter – How to validate a phone number

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Present Perfect Tense Quiz (Beginning Level)

by Phuc TranJuly 23, 2020July 23, 2020Next English
Present Perfect Tense Quiz (Beginning Level)

Photo by Jonathan Hoxmark

on Unsplash

Let’s practice the Present Perfect Tense!

Continue reading “Present Perfect Tense Quiz (Beginning Level)”Tagged : english grammar / grammar / next english / present perfect / quiz / tense

Present Continuous Quiz (Beginning Level)

by Phuc TranJune 30, 2020July 23, 2020Next English
Present Continuous Quiz (Beginning Level)

Photo by Lukas Blazek

on Unsplash

Yet another Quiz for beginning level. Try it out!

Continue reading “Present Continuous Quiz (Beginning Level)”Tagged : beginning / english / english grammar / next english / present continuous / quiz

Simple Future Quiz (Beginning Level)

by Phuc TranJune 20, 2020July 23, 2020Next English
Simple Future Quiz (Beginning Level)

Photo by Markus Spiske

on Unsplash

Let’s learn Simple Future Tense in this quiz.

Continue reading “Simple Future Quiz (Beginning Level)”Tagged : beginning / quiz / simple future / simple future tense / tense

Simple Past Quiz (Beginning Level)

by Phuc TranJune 17, 2020July 25, 2020Next EnglishLeave a Comment on Simple Past Quiz (Beginning Level)
Simple Past Quiz (Beginning Level)

Photo by freepik

www.freepik.com

In this quiz, you will learn Simple past tense. After answering any question, the explanation will be provided. Share the quiz to your friends if you find it useful. Let’s start!

Continue reading “Simple Past Quiz (Beginning Level)”Tagged : beginning / quiz / simple past / simple past tense

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