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Category: iPhone

iPhone is a smart phone developed by Apple in the United States. It is equipped with the iOS operating system. The first iPhone was released on January 9, 2007 by the former CEO of Apple, Steve Jobs, and officially went on sale on June 29, 2007.

iPhone – Play a note or simple sound on iOS?

I want to play simple sounds that can be changed at runtime, such as being able to play sounds at different frequencies.

Basically, I want to be able to Generate a simple melody and play it.

September 23, 2021By Simo iPhone IOS, iPhone, Notes, Play, simple, SoundLeave a Comment

iPhone – Why is NSTIMER when another thread is running?

I am trying to run a long task in the background of the iPhone. I start it with performSelectorInBackground. I also create an NSTimer on the main thread to check if it works. I expect a timer Will

September 23, 2021By Simo iPhone Another, iPhone, nstimer, running, thread, whyLeave a Comment

iPhone – Problem when installing a WWDR Apple certificate on a key train

I’m not sure if this is a beginner’s problem, if so, please forgive me.

I can’t install the WWDR Apple certificate. I downloaded it but then On the keychain it tells me the following:
(This

September 23, 2021By Simo iPhone appearance, ​​Apple, Certificate, installation, iPhone, key, problem, string, time, WWDRLeave a Comment

iPhone – Tomcat does not decode URL encoded string

I am publishing URL-encoded data from my iphone application (encoded using the following method) to a jsp page (Tomcat Behind):

– (NSString *)stringByAddingPercentEscapesUsingEncoding:(

September 23, 2021By Simo iPhone Coding, Decoding, iPhone, string, Tomcat, URLLeave a Comment

iPhone – NSMutableDictionary causes EXC_BAD_ACCESS

I am trying to fix the EXC_BAD_ACCESS error thrown when I access the NSMutableDictionary in the tableView: cellForRowAtIndexPath: indexPath. Now, when I use the method loadHistoryFromDBExtended to

September 23, 2021By Simo iPhone Access, BAD, iPhone, NSMutableDictionary, resulting in EXCLeave a Comment

iPhone – Change the method of the accessory type icon in UITableViewcell

I have a table view that shows a list of files to download. When I click the attachment button, it will download the selected file. I want to change the image of the detail disclosure button. Is it

September 23, 2021By Simo iPhone Accessories, change, Icon, iPhone, method, middle, Types, UITableViewcellLeave a Comment

iPhone – Uibutton Animation

Is it possible to make a uibutton in this way to make something or anything come out of the background, such as wheat ears from the field.

Is it possible?

Thank you:)

Move it, usu

September 23, 2021By Simo iPhone Animation, iPhone, UibuttonLeave a Comment

iPhone – Why doesn’t this don’t apply to the Xcode debug window “PO [mynsdatecomponent weekday”

Why does this not apply to the XCode debug window “po [myNsDateComponent weekday]”?

Specific example:

(gdb) po weEndDayTime
( gdb) po [weEndDayTime weekday]
0x2 does not appear to point

September 23, 2021By Simo iPhone debugging, iPhone, mynsdatecomponent, not suitable, po, Used for, weekday, window, XcodeLeave a Comment

iPhone – Click on the word in UITextView

I want to allow users to type some text in my iPhone app, when they click/touch a word or sentence, and then call the method on that word. My question is what should I do?

I got this id

September 23, 2021By Simo iPhone IITEXTVIEWLeave a Comment

iPhone – Recording block audio on iOS background

I’m trying to figure out a way to record audio in the background of an iOS application and stream it to the server.

When the application is in When in the foreground, I almost got this featur

September 23, 2021By Simo iPhone audio, Background, block, IOS, iPhone, recordingLeave a Comment

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