iOS Development Uitextview Common attribute methods

<span id="Label3"></p><p><p>//</p></p><p><p>Viewcontroller.m</p></p><p><p>Textviewall</p></p><p><p>#import "ViewController.h"</p></p><p><p></p></p><p><p>@interface Viewcontroller () <UITextViewDelegate></p></p><p><p></p></p><p><p>@end</p></p><p><p></p></p><p><p>@implementation Viewcontroller</p></p><p><p></p></p><p><p>-(void) Viewdidload {</p></p><p><p>[super viewdidload];</p></p><p><p>Self.view.backgroundColor = [uicolor yellowcolor];</p></p><p><p></p></p><p><p>Uitextview *mytextview = [[uitextview alloc]initwithframe:cgrectmake (uiscreen mainscreen].bounds.size.width- 20, 200)];</p></p><p><p>Set Background color</p></p><p><p>Mytextview.backgroundcolor = [uicolor browncolor];</p></p><p><p>Set initial text</p></p><p><p>Mytextview.text = @ "life is tossing, life is tossing, life is tossing, life is tossing, life is tossing and www.baidu.com";</p></p><p><p>Set Text Size</p></p><p><p>Mytextview.font = [uifont systemfontofsize:15.0];</p></p><p><p>Mytextview.textalignment = 1;</p></p><p><p>Nstextalignmentleft = 0,//left Justified</p></p><p><p>Nstextalignmentcenter = 1,//center Alignment</p></p><p><p>Nstextalignmentright = 2,//right Justified</p></p><p><p></p></p><p><p>Whether you can edit</p></p><p><p>Mytextview.editable = YES; Default Yes</p></p><p><p></p></p><p><p>Mytextview.selectable = YES; Default Yes when set to no, you cannot select</p></p><p><p></p></p><p><p>Replace keyboard, Common Language custom keyboard</p></p><p><p>UIView * view = [[UIView alloc] initwithframe:cgrectmake (100, 50, 100, 100)];</p></p><p><p>View.backgroundcolor = [uicolor redcolor];</p></p><p><p>Mytextview.inputview = view;</p></p><p><p></p></p><p><p>Add a view on the keyboard that is attached to the keyboard, often used to determine the OR Cancel button</p></p><p><p>UIView * Viewsecond = [[UIView alloc] initwithframe:cgrectmake (100, 50, 100, 50)];</p></p><p><p>Viewsecond.backgroundcolor = [uicolor cyancolor];</p></p><p><p>Mytextview.inputaccessoryview = viewsecond;</p></p><p><p>Automatically select all text content after you get the focus</p></p><p><p>Mytextview.clearsoninsertion = YES; Default is No</p></p><p><p>The distance between the text and the border (top, left, bottom Right)</p></p><p><p>Mytextview.textcontainerinset = Uiedgeinsetsmake (20, 0, 50, 100);</p></p><p><p></p></p><p><p>Mytextview.datadetectortypes = uidatadetectortypeall;</p></p><p><p>/*uidatadetectortypeall can detect phone calls, urls, and Mailboxes. The content in the eligible text will be highlighted</p></p><p><p>Uidatadetectortypephonenumber = 1 << 0,//Phone number detection</p></p><p><p>Uidatadetectortypelink = 1 << 1,//URL detection</p></p><p><p>uidatadetectortypeaddress Ns_enum_available_ios (4_0) = 1 << 2,//Street address detection</p></p><p><p>Uidatadetectortypecalendarevent Ns_enum_available_ios (4_0) = 1 << 3,//Event detection</p></p><p><p></p></p><p><p>Uidatadetectortypenone = 0,//No detection at all</p></p><p><p>*/</p></p><p><p>nsmutableattributedstring *attributedstring = [[nsmutableattributedstring alloc] initwithstring:@ " This is a link: www.123456.com "];</p></p><p><p>[attributedstring Addattribute:nslinkattributename</p></p><p><p>value:@ "url1://www.baidu.com"</p></p><p><p>Range:nsmakerange (7, 14)];</p></p><p><p>Nsdictionary *linkattributes = @{nsforegroundcolorattributename: [uicolor greencolor],</p></p><p><p>Nsunderlinecolorattributename: [uicolor lightgraycolor],</p></p><p><p>Nsunderlinestyleattributename: @ (nsunderlinepatternsolid)};</p></p><p><p>Mytextview.linktextattributes = linkattributes;</p></p><p><p>Mytextview.attributedtext = attributedstring;</p></p><p><p>Mytextview.delegate = self;</p></p><p><p>Mytextview.editable = NO; Editable status cannot be clicked on the link</p></p><p><p>[self.view addsubview:mytextview];</p></p><p><p></p></p><p><p>}</p></p><p><p>To implement a proxy</p></p><p><p>-(BOOL) textView: (uitextview *) textView shouldinteractwithurl: (nsurl *) URL inrange: (nsrange) characterrange {</p></p><p><p>If ([[URL scheme] isequaltostring:@ "url1"]) {</p></p><p><p>NSString * url = [url host];</p></p><p><p>NSLog (@ "%@", url);</p></p><p><p>Return NO;</p></p><p><p>}</p></p><p><p>Return YES;</p></p><p><p>}</p></p><p><p>Going to start editing</p></p><p><p>-(BOOL) textviewshouldbeginediting: (uitextview *) TextView</p></p><p><p>{</p></p><p><p>Return YES;</p></p><p><p>}</p></p><p><p>Going to end the edit</p></p><p><p>-(BOOL) textviewshouldendediting: (uitextview *) TextView</p></p><p><p>{</p></p><p><p>Return YES;</p></p><p><p>}</p></p><p><p></p></p><p><p>Start editing</p></p><p><p>-(void) textviewdidbeginediting: (uitextview *) TextView</p></p><p><p>{</p></p><p><p></p></p><p><p>}</p></p><p><p>End Edit</p></p><p><p>-(void) textviewdidendediting: (uitextview *) TextView</p></p><p><p>{</p></p><p><p></p></p><p><p>}</p></p><p><p></p></p><p><p>The text is going to change</p></p><p><p>-(BOOL) textView: (uitextview *) textView shouldchangetextinrange: (nsrange) range replacementtext: (nsstring *) text</p></p><p><p>{</p></p><p><p>Return YES;</p></p><p><p>}</p></p><p><p>The text has changed</p></p><p><p>-(void) textviewdidchange: (uitextview *) TextView</p></p><p><p>{</p></p><p><p></p></p><p><p>}</p></p><p><p>The focus has Changed.</p></p><p><p>-(void) textviewdidchangeselection: (uitextview *) TextView</p></p><p><p>{</p></p><p><p></p></p><p><p>}</p></p><p><p>Whether to allow manipulation of rich text in text</p></p><p><p>-(BOOL) textView: (uitextview *) textView shouldinteractwithtextattachment: (nstextattachment *) textattachment inrange :(nsrange) CharacterRange Ns_available_ios (7_0) {</p></p><p><p>Return YES;</p></p><p><p>}</p></p><p><p></p></p><p><p>-(void) didreceivememorywarning {</p></p><p><p>[super didreceivememorywarning];</p></p><p><p>Dispose of any resources the can be Recreated.</p></p><p><p>}</p></p><p><p></p></p><p><p></p></p><p><p>@end</p></p><p><p></p></p><p><p>iOS Development Uitextview Common attribute methods</p></p></span>