IOS development-Object-C get mobile device information (UIDevice),-object-cuidevice
Obtain UiDevice device information
// Obtain the device name NSString * name = [[UIDevice currentDevice] name]; // obtain the device system name NSString *
Multiple effects progress indicator layer effects iOS source code projects, ios source code
The source code is a source code case of various performance progress indicator layers. The source code KVNProgress and KVNProgress provide a variety of
Comparison of loading network images for IOS
// 1. NSData dataWithContentsOfURL // [self. icon setImage: [UIImage imageWithData: [NSData dataWithContentsOfURL: tempUrl]; // 2. add to asynchronous processing in the form of dispath // [self
IOS sqlite3 saves the array NSArray
Four Notes: 1. when creating a table, the declared field type is binary blobNSString * INEditorTableName = @ "create table In_Editor (picUrls blob not null)"; 2. insert an SQL statement and convert NSArray to
IOS: UISCROLLVIEW and UIPAGECONTROL In the UI SeriesIn a twinkling of an eye, it's another day. It's just a busy day, but it's okay, it's not just a bad luck, it's just a small success. You can get something done, hey! Well, it's time to sum up. Let'
IOS map Development Summary
First, the main types used for ios map development are as follows:MKMapView: map control. It can be used when it is dragged in without any other labels. It is used to display the map content, you can zoom in, zoom out,
IOS: UINAVIGATIONCONTROLLER of the UI SeriesIt's time to sum up again. Suddenly, I feel that time is getting better and faster, and I feel that time is not enough. However, there is no way to do this. I only have to squeeze time myself. Although it
Compile scripts for x264 on ios and android platformsThis year, I did some audio/video coding and decoding work. I had done a lot of work on graphics and images before, and I realized it was interesting and amazing. For example, after collecting
IOS monitoring network changes
With the upgrade of Mobile Networks: 2G-> 3G-> 4G, or even 5G under development, the network speed is getting faster and faster, but the traffic is also like a flow of water.
The Internet does not spread a story: if
Color Conversion IOS hexadecimal color to UIColor
Easy to use
+ (UIColor *) colorWithHexString: (NSString *) color
{
NSString * cString = [[colorstringByTrimmingCharactersInSet: [NSCharacterSetwhitespaceAndNewlineCharacterSet] uppercaseString];
//
4. iOS programming UITextFiled
The buttons mentioned above, let's take a look at how UITextField is used.
Code: AppdDelegate. m
// Define the variable UITextField * textField;-(BOOL) application :( UIApplication *) application
Asynchronous image loading in iOS UITableView-Solution
Problem Background:
You need to download an image in each row of UITableView. Previously, placeholder was used. After the image is downloaded, it exists in the cache.
Solution:
Solution
Screen direction judgment during ios development
There are many ways to judge the screen and there are only a few solutions that I personally think are useful.
The most effective method of Landscape Portrait screen Portrait Landscape screen is to
IOS8 display place names based on longitude and latitude
We often use mobile phones to retrieve location information for projects and then transmit data to the background. This is a demo of iOS8 displaying place names based on longitude and latitude.
[IOS] Code best practices for device screen judgment solution Discussion
Currently, the development project uses code to write the UI for historical reasons, so it is inevitable to determine the device size.
Currently, I am doing this to
In iOS, add a UIPickerView instance to UIAcitionSheet.Before writing, we can't control some things, but at least we can try to make it better. I once said this, I may not be the best, but what I give you is definitely the best. Find what you want
Full selection and multiple selection functions of UITableViewThe multiple choice method is as follows:-(Void) tableView :( UITableView *) tableViewdidSelectRowAtIndexPath :( NSIndexPath *) indexPath{ [TableViewdeselectRowAtIndexPath: indexPath
How to clear unused images in the project
APPBefore release, you often need to clear images that are not used in the project. These images may be test images or replace legacy images in previous versions.Save the following code as **. sh and chomd 77
Multi-thread GCD for iOS crazy explanation
Grand Central Dispatch (GCD) is a multi-core programming solution developed by Apple.
Dispatch queue is divided into the following three types:
1) The Main queue running in the Main thread is obtained
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