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POHow to add clear button UITextfield?
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  1. POHow to add clear button UITextfield?
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    copied!<p>I would like to add a clear button inside a UITextfield but it doesn't show up.</p> <p>This the code for the UITextfield:</p> <pre><code> @implementation databaseEnterDataViewController @synthesize customer = customer_ ; @synthesize type = type_ ; @synthesize code1 = code1_ ; @synthesize code2 = code2_ ; @synthesize background, changeType, codeOne, codeTwo, customers, suspendDisplayInfo, tf; #pragma mark - #pragma mark Initialization #pragma mark - #pragma mark View lifecycle - (void)viewDidLoad { [super viewDidLoad]; self.customer = @"" ; self.type = @"" ; self.code1 = @"" ; self.code2 = @"" ; self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc]initWithTitle:@"Save" style:UIBarButtonSystemItemCancel target:self action:nil]; self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:nil]; self.navigationItem.title = @"Enter Data"; code1Field_.clearButtonMode = UITextFieldViewModeWhileEditing; code2Field_.clearButtonMode = UITextFieldViewModeUnlessEditing; customerField_.clearButtonMode = UITextFieldViewModeAlways; [self openDB]; [self createTable:@"barcodeScan" withField1:@"key" withField2:@"scanDate" withField3:@"theCustomer" withField4:@"type" withField5:@"theCode1" withField6:@"theCode2" withField7:@"discription" withField8:@"articleNr" withField9:@"batchNr" withField10:@"serialNr" withField11:@"expDate"]; self.suspendDisplayInfo=false; NSLog(@"%@",typeLabel_.text); #ifdef LOG_FILE NSFileManager *fileManger = [NSFileManager defaultManager]; if ([fileManger fileExistsAtPath:[self getLogFile]]) { [debug appendString:[[NSString alloc] initWithContentsOfFile:[self getLogFile]]]; [debugText setText:debug]; } #endif dtdev=[Linea sharedDevice]; [dtdev addDelegate:self]; [dtdev connect]; types = [[NSMutableArray alloc] init]; [types addObject:@"Select barcode type"]; [types addObject:@"Intervascular"]; [types addObject:@"CID"]; [types addObject:@"MAQUET"]; [self pickerview]; tf.clearButtonMode =UITextFieldViewModeAlways; } - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { // Return the number of sections. return 1; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { // Return the number of rows in the section. return 4; } // Customize the appearance of table view cells. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { UITableViewCell *cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:nil]; // Make cell unselectable cell.selectionStyle = UITableViewCellSelectionStyleNone; tf = nil; tf.clearButtonMode =UITextFieldViewModeAlways; changeType = [UIButton buttonWithType:UIButtonTypeRoundedRect]; changeType.frame = CGRectMake(cell.frame.origin.x + 220, cell.frame.origin.y + 7, 80, 30); [changeType setTitle:@"Change type" forState:UIControlStateNormal]; changeType.backgroundColor= [UIColor clearColor]; [changeType.titleLabel setFont:[UIFont systemFontOfSize:14]]; [changeType addTarget:self action:@selector(clickeButton:) forControlEvents:UIControlEventTouchDown]; switch ( indexPath.row ) { case 0: { cell.textLabel.text = @"Customer:" ; tf = customerField_ = [self makeTextField:self.customer placeholder:@"Customer name"]; [cell addSubview:customerField_]; break ; } case 1: { cell.textLabel.text = @"Type:" ; tf = typeLabel_ = [self makeTextField:self.type placeholder:@"Type code"]; [cell addSubview:typeLabel_]; [cell addSubview:changeType]; break ; } case 2: { cell.textLabel.text = @"Code 1:" ; tf = code1Field_ = [self makeTextField:self.code1 placeholder:@"Code 1"]; [cell addSubview:code1Field_]; break ; } case 3: { cell.textLabel.text = @"Code 2:" ; tf = code2Field_ = [self makeTextField:self.code2 placeholder:@"code 2"]; [cell addSubview:code2Field_]; break ; } } // Textfield dimensions tf.frame = CGRectMake(120, 12, 170, 30); // Workaround to dismiss keyboard when Done/Return is tapped [tf addTarget:self action:@selector(textFieldFinished:) forControlEvents:UIControlEventEditingDidEndOnExit]; // We want to handle textFieldDidEndEditing tf.delegate = self ; return cell; } -(UITextField*) makeTextField: (NSString*)text placeholder: (NSString*)placeholder { UITextField*tf = [[UITextField alloc] init]; tf.placeholder = placeholder ; tf.text = text ; tf.autocorrectionType = UITextAutocorrectionTypeNo ; tf.autocapitalizationType = UITextAutocapitalizationTypeNone; tf.adjustsFontSizeToFitWidth = YES; tf.textColor = [UIColor colorWithRed:56.0f/255.0f green:84.0f/255.0f blue:135.0f/255.0f alpha:1.0f]; return tf ; } // Workaround to hide keyboard when Done is tapped - (IBAction)textFieldFinished:(id)sender { // [sender resignFirstResponder]; } // Textfield value changed, store the new value. - (void)textFieldDidEndEditing:(UITextField *)textField { if ( textField == customerField_ ) { self.customer = textField.text ; } else if ( textField == typeLabel_ ) { self.type = textField.text ; } else if ( textField == code1Field_ ) { self.code1 = textField.text ; } else if ( textField == code2Field_ ) { self.code2 = textField.text ; } } </code></pre> <p>On the iphone it looks like this:</p> <p><img src="https://i.stack.imgur.com/E0bNF.png" alt="enter image description here"></p> <p>When I add the clear button like this </p> <p><code>customerField_.clearButtonMode = UITextFieldViewModeWhileEditing;</code></p> <p>the button doesn't show up.</p> <p>What should I do to make it visible?</p>
 

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