Simple use of Uitextfield

Simple, practical and explanatory notes on Uitextfield

1- (void) Viewdidload {2 [Super Viewdidload];3     4 //Self.view.backgroundColor = [Uicolor graycolor];5     6     //the input box defaults to full transparency7     //no matter how big the frame is, the default input box height is8Uitextfield *textfield1 = [[Uitextfield alloc] Initwithframe:cgrectmake ( -, -, $, -)];9     //set Border type, default to No borderTenTextfield1.borderstyle =Uitextborderstyleline; One     //Set background color, default to Transparent color ATextfield1.backgroundcolor =[Uicolor Orangecolor]; -      - [Self.view addsubview:textfield1]; the  -      -     //Set Center -Textfield1.textalignment =Nstextalignmentcenter; +     //Set the password display form - //textfield1.securetextentry = YES; +      A     //Set Keyboard type atTextfield1.keyboardtype =uikeyboardtypeemailaddress; -      -     //set Clear button to display properly -Textfield1.clearbuttonmode =uitextfieldviewmodewhileediting; -      -     //Close first letter capitalization inTextfield1.autocapitalizationtype =Uitextautocapitalizationtypenone; -     //prompt text When the input box is empty toTextfield1.placeholder =@"Please enter your account number."; +      -Textfield1.text =@"Hahha"; the     //Set Text font *Textfield1.font = [Uifont systemfontofsize: One]; $     //Set up proxyPanax NotoginsengTextfield1.Delegate=Self ; - //self.ibTextField.delegate = self; the      +Textfield1.tag = -; A //Self.ibTextField.tag = $; the     /* + To use the Proxy method: - 1. Compliance with agreements $ 2. Setting up the agent $ 3. Implementing the Protocol approach -       -      */ the      -     Wuyi } the  - #defineMark Textfeilddelegate Wu //Start editing --(BOOL) textfieldshouldbeginediting: (Uitextfield *) textfield{ About      $NSLog (@"J will begin editing,%ld", Textfield.tag); -     //decide if your TextField can be edited -     returnYES; - } A- (void) Textfielddidbeginediting: (Uitextfield *) textfield{ +NSLog (@"Start editing"); the  - } $-(BOOL) textfieldshouldendediting: (Uitextfield *) textfield{ the      theNSLog (@"going to end the edit"); the     returnYES; the      - } in  the- (void) Textfielddidendediting: (Uitextfield *) textfield{ the      AboutNSLog (@"End Edit"); the } the //call when you click the Clear button the-(BOOL) Textfieldshouldclear: (Uitextfield *) textfield{ +NSLog (@"Clear"); -     returnYES; the }Bayi //called when the keyboard return is clicked the-(BOOL) Textfieldshouldreturn: (Uitextfield *) textfield{ theNSLog (@"return"); -     //Cancel First Responder, close keyboard - [TextField Resignfirstresponder]; the     returnYES; the}

Simple use of Uitextfield