I am using a storyboard and have a modal screen, and then I need to push other view controllers so that I can select items for the modal view (similar to the iPhone calendar application Add entry t
Author: Simo
iOS Catiledlayer crash
I have a pdf reader app for iPad, I use scroll view to display each page. I keep the page in view and view it on either side of the page One page. I have separate views for portrait and landscape v
iOS map GPS position, realize basketball position and arrow sign on the map
1.) I need a blue circle/location point on the map, as shown below.
>What is it called?
>How can I achieve it?
2.) How to display the following arrows on the pop-up screen?
A lot
iOS speech synthesis
Add reference 1
import< /span> AVFoundation
play voice 1
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let player = AVSpeechSynthesizer();
player.delegate = self;
let u = AVSpeechUtterance(string: “The weathe
Xcode – PackageMaker nothing
I have a problem, like here http://compgroups.net/comp.sys.mac.apps/PackageMaker-not-installing-my-app (no solution provided)
Simply put, using PackageMaker I create an installer, it should o
iOS – UISEARCHBAR with UISTORYBOARD: segues and custom cells cannot work properly
I am using a storyboard and want to implement a UISearchbar for my UITableView. UISearchbarController generates a new UITableView, I use the following strategy:
< /p> if (tableView == self.ta
Promise’s basic usage
// Promise object, can save state
//Promise first step
// Asynchronous code is written in the Promise function Step 2
const promise = new Promise((resolv, reject) => {
// Promise has three
OC Hybrid app, hybrid development.
1. Hybrid development is to directly use UIwebView to intercept H5Url, (negotiated in the URL) to determine what action needs to be done, such as demo: http://download.csdn.net/detail/zaiwei123456/
June. 22 2018, Week 25th. Friday
Where words fail, music speaks.
When words cannot express, music will play.
From Hans Christian Andersen.
Where words fail, music speaks.
It speaks of the pain, of the sorro
IOS 5.0 View Lifecycle Issues
I am facing the strange behavior of my custom view controller subclass on iOS 5.0. I did not use the standard navigation controller etc. in my iPad app, but I also All view controllers are provided