[IOS] using notifications to implement a listening system keyboard

////VIEWCONTROLLER.M//text////Created by LDW on 16/1/22.//copyright©2016 year LDW. All rights reserved.//#import#import "ViewController.h"@interfaceViewcontroller ()@end@implementationViewcontroller- (void) viewdidload {[Super viewdidload];

iOS Network nsurlconnection POST

1#import"HMViewController.h"2#import"mbprogresshud+mj.h"3 4 @interface Hmviewcontroller ()5@property (Weak, nonatomic) Iboutlet Uitextfield *Usernamefield;6@property (Weak, nonatomic) Iboutlet Uitextfield *Pwdfield;7-(ibaction) login;8 @end9 Ten

iOS multithreaded gcd download pictures

gcd

1- (void) Touchesbegan: (Nsset *) touches withevent: (Uievent *)Event2 {3dispatch_queue_t queue = Dispatch_get_global_queue (Dispatch_queue_priority_default,0);4Dispatch_async (Queue, ^{5NSLog (@"--download--%@", [Nsthread CurrentThread]);6 /

ios--reuse when displaying a different number of images on the cell

-(UITableViewCell *) TableView: (UITableView *) TableView Cellforrowatindexpath: (Nsindexpath *) Indexpath {//identifiers StaticNSString *iden =@"Cardscell"; Cardscell*cell =[TableView Dequeuereusablecellwithidentifier:iden]; Cards*cards

Android Asynctask usage Precautions and summary

1.1) The instance of the task must be created in the UI thread2) The Execute method must be called in the UI thread3) do not manually call OnPreExecute (), OnPostExecute (Result), Doinbackground (Params ...), Onprogressupdate (Progress ...) These

iOS redraw mechanism DrawRect

The drawing operations of iOS are done in the DrawRect method of the UIView class, so if we want to draw in a uiview, we need to write an extended UIView class and override the DrawRect method, where the drawing is done, and the program

IOS performance optimization issues with TableView

1.cell has too many sub-views, which adds to the burden of the cell2. When loading the picture, choose asynchronous load, loads the cable in the sub-line3. Avoid cell re-layout. cell layout fills are time-consuming and generally well laid out when

iOS app ratings

To improve the user experience of your app, you often need to invite users to score apps App scoring is all about jumping to AppStore to show your app and then writing a review by the user himself How to jump to AppStore and show your app

iOS Learning-uitextfield Agent

1 //2 //VIEWCONTROLLER.M3 //Uitextfield Agent4 //5 //Created by Big Huan on 16/1/22.6 //copyright©2016 year BJSXT. All rights reserved.7 //8 9 #import "ViewController.h"Ten One @interfaceViewcontroller () A -@property (nonatomic, strong)

Android UI Control Small note

1, about the spacing between text and drawabletop 1 android:drawablepadding="10dp" 2, for Recyclerview adapter refresh data, only the new data to adapter and then notifydatasetchanged (), if there is a lot of data, of course, there is a single data

Android Dynamic set TextView value, example: Amount added

When it comes to dynamic increment setting TextView value, very many people should immediately think of a thread, let the after-thread sleep for a specified time, use handler send message update TextView value!This is the realization of the dynamic

Android Layoutinflate.inflate Method Specific explanation, Removeview () Error resolution

Error:The specified child already has a parent. You must call Removeview (). Answer:This error is very straightforward, you Viewgroup.addview (Childview), Childview already has a Father view. The reason for the error is very much, I mainly talk

Android system bullets don't go away

Alertdialog.builder Builder = new Alertdialog.builder (_context);Builder.settitle ("Warm Tips"). Setmessage ("Your account is locked, please contact the closed door!") "). Setpositivebutton ("OK",New Dialoginterface.onclicklistener () {public void

Common methods in Android

Install APK fileprivate void installapk (file file) {Intent Intent = newintent (Intent.action_view);Uri data =uri.fromfile (file);String type = "Application/vnd.android.package-archive";Intent.setdataandtype (Data,type);StartActivity

Android Development Technology Weekly ISSUE#66

Good news, Android Development Technology Weekly launched a mail subscription, quickly subscribe to it, please poke me poke me, and also now can recommend resources to the Android development Technology Weekly, recommended resources please poke me

iOS Learning Day1

iOS Learning Day1Uiwindow->uiviewcontrol->uiviewUIScreenWrite Project Method:1.storyBoard2.xib file3. Pure CodeApple Phone Size/*IPhone4 3.5 "is not a Retina screen 32-bit system 320x480Iphone4s 3.5 inch Retina screen 32-bit system 640x960IPHONE5/5C

iOS Learning-uiactionsheet Detailed

1 //2 //VIEWCONTROLLER.M3 //Uiactionsheet Detailed4 //5 //Created by Big Huan on 16/1/25.6 //copyright©2016 year BJSXT. All rights reserved.7 //8 9 #import "ViewController.h"Ten One @interfaceViewcontroller () A --(Ibaction) Showactionsheet: (ID)

jquery toastmessage (jquery like the Android message prompt box)

Does wanna have some toasts?Jquery-toastmessage-plugin is a JQuery plugin which provides android-like notification messages. The toasted messages arriving on the screens in a seamless and natural the. They may or may not disrupt the user and they is

"ios Development tour" Car brand Showcase

The results are as follows:Model:////CZGroup.h//05-auto Brand Display////Created by chenqianping on 16/1/22.//copyright©2016 Year Chenqp. All Rights Reserved.//#import@interfaceczgroup:nsobject@property (nonatomic,copy) nsstring*title: @property

iOS Quick Parse model

In peacetime development, when the model of the properties of a special time, in order to improve the development efficiency, you can use the runtime features to parse data, but performance may be affected by the point, this method needs to be based

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