IOS Development Series 4-UITextView usage Summary

IOS Development Series 4-UITextView usage Summary

// Initialize the input box and set the position and size. UITextView * textView = [[UITextView alloc] initWithFrame: CGRectMake (10, 10,300,180)]; // set the default text textView. text = @ ""; // set the text font textView. font = [UIFont fontWithName: @ "Arial" size: 16.5f]; // set the text color textView. textColor = [UIColor colorWithRed: 51/255. 0f green: 51/255. 0f blue: 51/255. 0f alpha: 1.0f]; // sets the textView background color of the text box. backgroundColor = [UIColor colorwithred: 254/255. 0f green: 254/255. 0f blue: 25 4/255. 0f alpha: 1.0f]; // sets textView for text alignment. textAlignment = NSTextAlignmentLeft; // There are several text Alignment Methods in iOS7: // enum {// NSTextAlignmentLeft = 0, left alignment, default // NSTextAlignmentCenter = 1, center Align // NSTextAlignmentRight = 2, right align // NSTextAlignmentJustified = 3, natural alignment on the last line of a paragraph // NSTextAlignmentNatural = 4, default aligment //} NSTextAlignment; // sets the Automatic Error Correction Method textView. autocorrectionType = UITextAutocorrectionTypeNo; // The following automatic error correction methods are available: // enu M {// UITextAutocorrectionTypeDefault, default // UITextAutocorrectionTypeNo, no automatic error correction // UITextAutocorrectionTypeYes, automatic error correction //} UITextAutocorrectionType; // set the automatic upper case type textView. autocapitalizationType = UITextAutocapitalizationTypeNone; // There are several automatic capitalization methods: // enum {// UITextAutocapitalizationTypeNone, which is not automatically capitalized // UITextAutocapitalizationTypeWords, the first letter is capitalized/upper, uppercase letters of a sentence // UITextAutocapit AlizationTypeAllCharacters, all letters in uppercase //} UITextAutocapitalizationType; // set the keyboard style textView. keyboardType = UIKeyboardTypeDefault; // The keyboard style includes the following types: // enum {// UIKeyboardTypeDefault; default keyboard; supports all characters // UIKeyboardTypeASCIICapable; Supports the default ASCII keyboard // keyboard, the standard phone keyboard supports + * # characters // UIKeyboardTypeURL. Only the URL keyboard with URL characters is supported. com button // UIKeyboardTypeNumberPad, digital keyboard // UIKeyboardTypePhonePad, telephone keyboard // UIKeyboa RdTypeNamePhonePad, which can be used to enter a person's name on the phone keyboard // uikeyboardtypetypeemailaddress, email keyboard // UIKeyboardTypeDecimalPad, number keyboard with number and decimal point, and UIKeyboardTypeTwitter, enter @ and # characters // UIKeyboardTypeAlphabet = UIKeyboardTypeASCIICapable, //} UIKeyboardType; // set the return key style textView. returnKeyType = UIReturnKeyDefault; // The return key has the following styles: // enum {// UIReturnKeyDefault, default, gray, and marked with Return // UIReturnKeyGo, blue button marked with Go // UIReturnKeyGoogle, marked Google's blue button for search // UIReturnKeyJoin, marked with Join blue button // UIReturnKeyNext, marked with Next blue button // UIReturnKeyRoute, marked with Route blue button // UIReturnKeySearch, blue button marked with Search // UIReturnKeySend, blue button marked with Send // UIReturnKeyYahoo, blue button marked with Yahoo // UIReturnKeyYahoo, blue button marked with Yahoo // UIReturnKeyEmergencyCall, emergency call button //} UIReturnKeyType; // you can specify whether textView can be dragged. scrollEnabled = YES; // sets the proxy textView. delegate = self; // custom text box placeholdertip = [U ILabel alloc] initWithFrame: CGRectMake (16, 14,320, 25)]; tip. text = @ "your opinion is the greatest motivation for us to move forward. Thank you! "; Tip. font = [UIFont fontWithName: @ "Arial" size: 16.5f]; tip. backgroundColor = [UIColor clearColor]; tip. enabled = NO; // number of words in the custom text box count = [[UILabel alloc] initWithFrame: CGRectMake (270,170, 35, 20)]; count. text = @ "240"; count. textAlignment = NSTextAlignmentRight; count. font = [UIFont fontWithName: @ "Arial" size: 15.0f]; count. backgroundColor = [UIColor clearColor]; count. enabled = NO; // display the text box and related controls [self. vie W addSubview: feedback]; [self. view addSubview: tip]; [self. view addSubview: count]; // restrict the length of input text-(BOOL) textView :( UITextView *) textView shouldChangeTextInRange :( nsange) range replacementText :( NSString *) text {if (range. location <240) {return YES;} else {return NO; }}// custom text box placeholder-(void) textViewDidChange :( UITextView *) textView {count. text = [NSString stringWithFormat: @ "% d", 240-feedback. tex T. length]; if (textView. text. length = 0) {tip. text = @ "your opinion is the greatest motivation for us to move forward. Thank you! ";}Else {tip. text = @"";}}