Category: iOS

Solving the Issue of Unable to Submit Apps with Xcode-beta

Post author By tinyfool
Post date June 27, 2024
No Comments on Solving the Issue of Unable to Submit Apps with Xcode-beta

Following Apple’s WWDC 2024, the annual developer celebration, many rush to download the beta versions of operating systems and Xcode to experience the latest features. However, this introduces a dilemma: it generally takes over a month to transition from beta to the official release during which apps cannot be submitted through Xcode-beta.

To overcome this, developers might retain an older macOS version on one of their machines specifically for app submissions or run multiple systems. A few years ago, Apple introduced Xcode Cloud, which I used to address this very issue successfully.

Apple iOS

In Metal Shader, how to treat a specific color in texture2d as transparent, for example, white？

Post author By tinyfool
Post date June 27, 2023
No Comments on In Metal Shader, how to treat a specific color in texture2d as transparent, for example, white？

In Metal Shader, you can replace the color you want to make transparent by comparing it with a literal color using the texture2d and its sampling coordinates passed to the fragment shader.

Tags Metal, Shade

Apple iOS Mac

Comparison between AVCaptureMovieFileOutput and AVAssetWriter

Post author By tinyfool
Post date June 18, 2023
No Comments on Comparison between AVCaptureMovieFileOutput and AVAssetWriter

AVCaptureMovieFileOutput and AVAssetWriter are both APIs for recording video on iOS / Mac devices, are both int AVFoundation, but they have some differences.

Tags AVFoundation

Apple iOS Mac

Four reasons why Apple finally build ARM Mac (M1)

Post author By tinyfool
Post date November 24, 2020
No Comments on Four reasons why Apple finally build ARM Mac (M1)

Lately, Apple announced the M1 chip, releasing the M1, or Arm, versions of the three machines, the Macbook Air, Macbook PRO 13, and Mac mini. Apple called the M1 chip Apple Silicon.

In fact, as developers, we knew about this much earlier. Then we also got our hands on the DTK to test the compatibility of the ARM CPU for Macs and Mac OS and our own Mac software.

Apple iOS

What is LIDAR on Apple’s iPhone 12 flagship?

Post author By tinyfool
Post date November 23, 2020
No Comments on What is LIDAR on Apple’s iPhone 12 flagship?

This year Apple’s iPhone 12 flagship model comes with LIDAR. Many people have actually heard of LIDAR, and Apple’s press conference also mentioned it, but I actually found that many people don’t understand what it’s all about.