Rick_HK – Medium

Rick_HK

Xcode Device Orientation Setting is not working for iPad

Have you ever tried to set the device setting in Xcode but it never works?

1 min readAug 7, 2021

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Xcode Device Orientation Setting is not working for iPad

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Rick_HK

Xcode: Could not launch “Your App” failed to get the task for process 537

Have you ever tried to launch your app in different scheme but Xcode said it could not launch it? It was perfectly fine to launch in one…

2 min readApr 5, 2021

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Xcode: Could not launch “Your App” failed to get the task for process 537

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Rick_HK

[Cocoapods] Oh no, an error occurred.

I guess you’re here is because you’re using M1 for your Xcode project with Cocoapods, but you cannot perform pod install right?

2 min readJan 27, 2021

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[Cocoapods] Oh no, an error occurred.

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Rick_HK

Android Fragment UI not updated after popBackStack()

Have you ever experience your fragment’s UI not updating after exit from another fragment?

1 min readAug 18, 2020

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Rick_HK

AAPT: error: failed writing to R.txt ':app:processDebugResources' Android Studio 4.0.1 (Aug 2020)

Previously, we talked about this version of Android Studio has an issue of Launcher Activity (See here). Now we got another issue about…

2 min readAug 12, 2020

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AAPT: error: failed writing to R.txt ':app:processDebugResources' Android Studio 4.0.1 (Aug 2020)

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Rick_HK

Android Studio 4.0.1 Launcher Activity Does Not Exist Error (July 2020)

Android Studio 4.0.1 just came out July 2020 and it has some instability issues. One of which is unable to launch your launcher activity…

2 min readJul 20, 2020

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Android Studio 4.0.1 Launcher Activity Does Not Exist Error (July 2020)

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Rick_HK

CameraX on Android Fragment in Kotlin with ImageAnalyzer

CameraX is a relatively new Camera API in Android. Unlike the predecessors, CameraX is easy to use and requires less tweaking in order to…

3 min readJul 14, 2020

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Rick_HK

UnsatisfiedLinkError: No implementation found for long org.opencv.core.Mat.n_Mat()

When we implementing OpenCV to Android Camera Project, the app crashes for no reason.

1 min readJul 14, 2020

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UnsatisfiedLinkError: No implementation found for long org.opencv.core.Mat.n_Mat()

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Rick_HK

How to make XCFramework / Fat Framework in Xcode

In the past, we, as iOS framework authors, used to build Fat .Framework file to distribute.

1 min readJul 8, 2020

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How to make XCFramework / Fat Framework in Xcode

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Rick_HK
in
Mac O’Clock

iOS14 — 7 New Web APIs and API Changes in Safari from WWDC2020

Apple just announced what’s new in web/safari on WWDC2020. Let’s take a look of what API changes are concerning web developers and…

4 min readJul 4, 2020

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iOS14 — 7 New Web APIs and API Changes in Safari from WWDC2020

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Rick_HK

Rick_HK

Hi this is Rick from Hong Kong. I am a native iOS and Android mobile developer and also a tech enthusiast. Find me on Twitter https://twitter.com/rick3817

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