Flutter gallery: import show

I am starting to read code of Flutter gallery project, there are something I am not familiar, the import show is one of them.

List folder size on current directory on Mac

List folder size

Where is the Dart SDK Path

Today I want to run flutter-folio on my machine, but it has some errors, I am trying to solve the problems, one of the problem is it report…

Return different type of data with Seald Class in Kotlin

This article describe a solution to return different type of data in one function with Sealed class.

Solve Problem: Duplicate attribute ‘{http://schemas.android.com/apk/res/android}textColor'.

I encounter this problem yesterday, but it was caused after I upgrade the Android Studio, so I think it’s the problem os the Android…

Pre-populate data in sqldelight

We are developing apps with KMM architecture, and use the sqldelight as the persistence layer, we want to populate some data on the…

The sub program I used several years ago

Several years ago, I find a friend use this tool on his working, and I also setup the tool on my env, but I forget how to install it.

Install python 2.7 on mac

Python 2.7 was removed from macOS 12.3, if we upgrade mac os frequently, the system might already installed this version. But sometimes…

The git commands that I use frequently

I list the git commands I use frequently, some of them I will search the internet when using, so I save them here, and next time I can…

Find app data path for iOS simulator

Find the app data path with xcrun simctl for iOS simulator

Flutter environment

Solve android environment issues for flutter

Fix kotlin.native.IncorrectDereferenceException issue on KMM project

The problem