iOS - Read For Learn

malloc: *** error: incorrect checksum for freed object – object was probably modified after being freed

I have a big problem with my iOS App: it crashes sometimes without detailed debug error. The stack trace is empty. These are the only two lines in the stack trace: crash start in UIApplicationMain at “symbol stub for: -[_UIHostedTextServiceSession dismissTextServiceAnimated:]”. and report “libsystem_c.dylib`malloc_error_break”. in com.apple.main-thread. The error on Xcode debugger (with connected device): I … Read more

‘strcmp’ was not declared in this scope

strcmp function is declared in string.h try to put in DynamicLibrary.cpp and stderr is defained in stdio.h so put that too From time to time I found open source code with missing header files as well. UPDATE: If you have different name, you can search include directory, in real GNU/Linux bash (should work with Windows … Read more

Is there a private messaging UI (inbox, sent, compose) framework for iOS?

Cocoa Controls has some great stuff you can use. Some of it is cheap, and most of it is free. Some controls you could use the look like the iOS Messages app are: Expandable input toolbar UIBubbleTableView AcaniChat (input and bubbles together) SSMessageViewController (input and bubbles together) If you are need inbox/sent/drafts folders, you could … Read more

Command CompileSwift failed with a nonzero exit code in Xcode 10

Currently my build is working. Here you are the steps I tried until it finally worked: Search in the whole project the word CommonCrypto. If you have a Pod containing that header import, remove this Pod from the Podfile and perform a pod install. Clean and build the project. Add again the Pod to the … Read more

Where is the variable “code” in SKError defined?

I am seeing examples of code using SKError “code” property or variable. I cannot seem to define any definition for this property. How is xcode / Swift able to access this property? I am using SwiftyStoreKit with this issue. Thanks Tried looking in the documentation for SKError, nothing there. Tried debugging in xcode, live, cannot … Read more

CFNetwork SSLHandshake failed (-9824) NSURLSession/NSURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9824)

From NSURLConnection to NSURLSession worked for me I was able to solve as following( NSURLConnection is deprecated and you need to use NSURLSession) : converted to: From NSURLConnection to NSURLSession Also included in Info.plist see documentation: Info.plist reference And ultimately Announcement: CFNetwork SSLHandshake failed (-9824) while integrating Login with Amazon SDK for iOS Back to … Read more

Converting String to Int with Swift

Basic Idea, note that this only works in Swift 1.x (check out ParaSara’s answer to see how it works in Swift 2.x): Update for Swift 4

Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy

Where are you calling this method from? I had an issue where I was attempting to present a modal view controller within the viewDidLoad method. The solution for me was to move this call to the viewDidAppear: method. My presumption is that the view controller’s view is not in the window’s view hierarchy at the point that it has been loaded … Read more

UITableView example for Swift

The example below is an adaptation and simplification of a longer post from We ❤ Swift. This is what it will look like: Create a New Project It can be just the usual Single View Application. Add the Code Replace the ViewController.swift code with the following: Read the in-code comments to see what is happening. The highlights are The … Read more

symbol(s) not found for architecture x86_64 in xcode 10

I have facing the problem in my ios project. symbols not found for architecture x86_64 in xcode clang: error: linker command failed with exit code 1 (use -v to see invocation) Thanks in advance!!

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