iOS Development Basics-Fragmentation 22

1: Set the table row with spacing (uitableviewstylegrouped)

1. Set the number of sections, that is, how many cell-(Nsinteger) Numberofsectionsintableview you have: (UITableView *) TableView {    return 3;//In Your case, there is 3 cells}2. Returns a cell-(Nsinteger) TableView for each section: (UITableView *) TableView Numberofrowsinsection: (nsinteger) section{    return 1;} 3. Set the height of headerview between cells-(CGFloat) TableView: (UITableView *) TableView heightforheaderinsection: (Nsinteger) section{    return ten.;//You can have your own choice, of course} 4. Set the color of the Headerview-(UIView *) TableView: (UITableView *) TableView viewforheaderinsection: (nsinteger) section{    UIView *headerview = [[UIView alloc] init];    Headerview.backgroundcolor = [Uicolor clearcolor];    return Headerview;} Note: You need to use Indexpath.section to get index instead of indexpath.rowcell.textlabel.text=[nsstring stringwithformat:@ "%@", [array ObjectAtIndex:indexPath.section]];

Instance:

Create the Table code: if (!_mytableview) {_mytableview = [[UITableView alloc] Initwithframe:cgrectmake (0, Cgrectgetmaxy (self).        Customheadview.frame), Main_screen_width, main_screen_height-204) style:uitableviewstylegrouped];        _mytableview.backgroundcolor = [Uicolor Clearcolor];        _mytableview.showsverticalscrollindicator = NO;        _mytableview.showshorizontalscrollindicator=no;        _mytableview.datasource = self;        _mytableview.delegate = self;        _mytableview.separatorstyle = Uitableviewcellseparatorstylenone; [_mytableview Registerclass:[blsreplenishmentcell class] Forcellreuseidentifier:blsreplenishmentviewcontroller_        Cellidentifier];    [Self.view Addsubview:_mytableview]; Other methods: #pragma mark Uitableviewdatasource and uitableviewdelegate-(cgfloat) TableView: (UITableView *) TableView Heightforheaderinsection: (Nsinteger) section{return 10;} If set to 0 effect will not reach the desired-(cgfloat) TableView: (UITableView *) TableView heightforfooterinsection: (nsinteger) section{RetuRN 1;} -(Nsinteger) Numberofsectionsintableview: (nonnull uitableview *) tableview{return self.recordDatalist.count;} -(Nsinteger) TableView: (UITableView *) TableView numberofrowsinsection: (Nsinteger) section{return 1;}    -(UITableViewCell *) TableView: (UITableView *) TableView Cellforrowatindexpath: (Nsindexpath *) indexpath{ Blsreplenishmentcell *cell = [TableView dequeuereusablecellwithidentifier:blsreplenishmentviewcontroller_    Cellidentifier Forindexpath:indexpath];    Cell.cur_replenishment = [Self.recorddatalist objectAtIndex:indexPath.section]; return cell;} -(CGFloat) TableView: (UITableView *) TableView Heightforrowatindexpath: (Nsindexpath *) indexpath{return [ Blsreplenishmentcell cellheight];} -(void) TableView: (UITableView *) TableView Didselectrowatindexpath: (Nsindexpath *) indexpath{[TableView Deselectrowatindexpath:indexpath Animated:yes];}

2:xcode7 using Nsurlsession to send an HTTP request error

Error content: Console print: Application Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure. Temporary exceptions can be configured via your app ' s info.plist file.

Workaround: Modify the Info.plist file

3: Real-time listening length and content to Uitextfield content

The first step is to add the listener to the component [TextField addtarget:self action: @selector (Textfielddidchange:) forControlEvents: uicontroleventeditingchanged];...//The second step, implement the callback function-(void) Textfielddidchange: (ID) Sender {uitextfield *_field = ( Uitextfield *) sender; NSLog (@ "%@,%d", [_field text],_field.text.length);}

4: Real Machine Debug Report

Please verify this your device ' s clock is properly set,

And that your signing certificate are not expired

Note: in Tagers-build settings--code signing--code signing Identity, the any IOS SDK remembers to select the certificate

5: Add Uitextview to Uialertview and get its value

Mjyalterview.h#import <UIKit/UIKit.h> #import "UIPlaceHolderTextView.h" typedef void (^alertviewblock) ( Nsinteger index,nsstring *textvalue); @interface mjyalterview:uialertview@property (nonatomic,copy) AlertViewBlock block;-(Instancetype) Initwithtitle: (NSString *) title message: (NSString *) message cancelbuttontitle: (NSString *) Cancelbuttontitle otherbuttontitles: (NSString *) otherbuttontitles Clickbutton: (alertviewblock) block;@ Endmjyalterview.m#import "MjyAlterView.h" @interface Mjyalterview () <UIAlertViewDelegate,UITextViewDelegate> @property (copy,nonatomic) nsstring *content; @end @implementation mjyalterview-(instancetype) Initwithtitle: ( NSString *) title message: (NSString *) message cancelbuttontitle: (NSString *) Cancelbuttontitle otherbuttontitles: ( NSString *) otherbuttontitles Clickbutton: (alertviewblock) block{self = [super Initwithtitle:title message:message D    Elegate:self Cancelbuttontitle:cancelbuttontitle otherbuttontitles:otherbuttontitles, nil]; Self.backgroundcolor = [Uicolor whitecolor];    Uiplaceholdertextview *textview = [[Uiplaceholdertextview alloc]init];    textview.delegate=self;    Textview.font=[uifont systemfontofsize:15]; TextView.    [email protected] "input content"; Textview.layer.bordercolor=[uicolor Graycolor].    Cgcolor;    textview.layer.borderwidth=0.5;    if (System_version_less_than (@ "7.0"))//When system is IOS7//{//[Testalert Addsubview:textview];    }//else//when the system is IOS8//{[Self Setvalue:textview forkey:@ "Accessoryview"];    } if (self) {_block = block;    } return self; } #pragma mark uialertviewdelegate-(void) Alertview: (Uialertview *) Alertview Clickedbuttonatindex: (Nsinteger)    buttonindex{if (_block! = nil) {_block (buttonindex,self.content); }} #pragma mark uitextviewdelegate-(void) Textviewdidchange: (Uitextview *) textview{Self.content=textview.text;} @end

Call:          __weak viewcontroller *weakthis = self;   Alertviewblock block  = ^ (Nsinteger index,nsstring *content) {          __strong viewcontroller *strongthis = weakThis;< C6/>if (index = = 1) {            NSLog (@ "OK,--%@", content);        } else if (index = = 0) {                        StrongThis.showLabel.text = @ "Cancel";        }    };        Mjyalterview *alterview = [[Mjyalterview alloc] initwithtitle:@ "" message:@ "" Cancelbuttontitle:nil otherButtonTitles: @ "OK" clickbutton:block];    [Alterview show];

6:ios Uilabel Display HTML text (IOS7 or more)

NSString * htmlstring = @ "
Application example (auto height)
        if (self.contentlabel==nil) {Self.contentlabel=[[uilabel alloc]init];            Self.contentlabel.textcolor=color_word_gray_1;            Self.contentlabel.font=[uifont systemfontofsize:14];            self.contentlabel.numberoflines=0;            [Self.contentlabel SizeToFit];            [Self.contentview AddSubview:self.contentLabel]; [Self.contentlabel mas_makeconstraints:^ (Masconstraintmaker *make)                {Make.left.mas_equalTo (self.contentView.left). With.offset (Leftspace);                Make.right.mas_equalTo (self.contentView.right). With.offset (-leftspace);            Make.top.mas_equalTo (Self.lineView.bottom). With.offset (Topspace);        }]; } Assignment: nsattributedstring * attrstr = [[Nsattributedstring alloc] Initwithdata:[model.content Datausingencoding:nsuni Codestringencoding] options:@{Nsdocumenttypedocumentattribute:nshtmltextdocumenttype} documentAttributes:nil        Error:nil]; Self.contentLabel.attributedText= Attrstr; 
iOS Development Basics-Fragmentation 22