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2181084272
Removes the need to copy-paste stanzas from other files anymore as we'll rely on #4478 to generate the correct stanza for us instead. This was an automated change generated by running a find-and-replace regular expression: ``` /\* Copyright ([0-9]+)-present the Material Components for iOS authors\. All Rights Reserved\. Licensed under the Apache License, Version 2\.0 \(the "License"\); you may not use this file except in compliance with the License\. You may obtain a copy of the License at http://www\.apache\.org/licenses/LICENSE-2\.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied\. See the License for the specific language governing permissions and limitations under the License\. \*/ ``` ``` /\* Copyright ([0-9]+)-present the Material Components for iOS authors\. All Rights Reserved\. Licensed under the Apache License, Version 2\.0 \(the "License"\); you may not use this file except in compliance with the License\. You may obtain a copy of the License at http://www\.apache\.org/licenses/LICENSE-2\.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied\. See the License for the specific language governing permissions and limitations under the License\. \*/ ``` ``` /\* Copyright ([0-9]+)-present the Material Components for iOS authors\. All Rights Reserved\. Licensed under the Apache License, Version 2\.0 \(the "License"\); you may not use this file except in compliance with the License\. You may obtain a copy of the License at http://www\.apache\.org/licenses/LICENSE-2\.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied\. See the License for the specific language governing permissions and limitations under the License\. \*/ ``` ``` // Copyright $1-present the Material Components for iOS authors. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. ```
264 lines
12 KiB
Objective-C
264 lines
12 KiB
Objective-C
// Copyright 2016-present the Material Components for iOS authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import <UIKit/UIKit.h>
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#import "MaterialTextFields.h"
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#import "supplemental/TextFieldControllerStylesExampleSupplemental.h"
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@interface TextFieldControllerStylesExample ()
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// Be sure to keep your controllers in memory somewhere like a property:
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@property(nonatomic, strong) MDCTextInputControllerOutlined *textFieldControllerOutlined;
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@property(nonatomic, strong) MDCTextInputControllerFilled *textFieldControllerFilled;
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@property(nonatomic, strong) MDCTextInputControllerUnderline *textFieldControllerUnderline;
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@property(nonatomic, strong) UIImage *leadingImage;
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@property(nonatomic, strong) UIImage *trailingImage;
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@end
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@implementation TextFieldControllerStylesExample
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- (void)viewDidLoad {
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[super viewDidLoad];
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self.view.backgroundColor = [UIColor colorWithWhite:0.97f alpha:1.0f];
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self.title = @"Material Text Fields";
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[self setupExampleViews];
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[self setupImages];
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[self setupTextFields];
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[self registerKeyboardNotifications];
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}
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- (void)setupImages {
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self.leadingImage = [UIImage imageNamed:@"ic_search"
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inBundle:[NSBundle bundleForClass:[TextFieldControllerStylesExample
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class]]
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compatibleWithTraitCollection:nil];
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self.trailingImage =
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[UIImage imageNamed:@"ic_done"
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inBundle:[NSBundle
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bundleForClass:[TextFieldControllerStylesExample class]]
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compatibleWithTraitCollection:nil];
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}
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- (void)setupTextFields {
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// Default with Character Count and Floating Placeholder Text Fields
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// First the text field is added to the view hierarchy
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MDCTextField *textFieldOutlined = [[MDCTextField alloc] init];
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[self.scrollView addSubview:textFieldOutlined];
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textFieldOutlined.translatesAutoresizingMaskIntoConstraints = NO;
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int characterCountMax = 25;
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textFieldOutlined.delegate = self;
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textFieldOutlined.clearButtonMode = UITextFieldViewModeAlways;
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textFieldOutlined.leadingView = [[UIImageView alloc] initWithImage:self.leadingImage];
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textFieldOutlined.leadingViewMode = UITextFieldViewModeAlways;
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textFieldOutlined.trailingView = [[UIImageView alloc] initWithImage:self.trailingImage];
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textFieldOutlined.trailingViewMode = UITextFieldViewModeAlways;
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// Second the controller is created to manage the text field
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self.textFieldControllerOutlined =
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[[MDCTextInputControllerOutlined alloc] initWithTextInput:textFieldOutlined];
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self.textFieldControllerOutlined.placeholderText =
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@"MDCTextInputControllerOutlined";
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self.textFieldControllerOutlined.characterCountMax = characterCountMax;
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[self.textFieldControllerOutlined mdc_setAdjustsFontForContentSizeCategory:YES];
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MDCTextField *textFieldFilled = [[MDCTextField alloc] init];
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[self.scrollView addSubview:textFieldFilled];
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textFieldFilled.translatesAutoresizingMaskIntoConstraints = NO;
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textFieldFilled.delegate = self;
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textFieldFilled.clearButtonMode = UITextFieldViewModeUnlessEditing;
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textFieldFilled.leadingView = [[UIImageView alloc] initWithImage:self.leadingImage];
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textFieldFilled.leadingViewMode = UITextFieldViewModeAlways;
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textFieldFilled.trailingView = [[UIImageView alloc] initWithImage:self.trailingImage];
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textFieldFilled.trailingViewMode = UITextFieldViewModeAlways;
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self.textFieldControllerFilled =
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[[MDCTextInputControllerFilled alloc] initWithTextInput:textFieldFilled];
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self.textFieldControllerFilled.placeholderText = @"MDCTextInputControllerFilled";
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self.textFieldControllerFilled.characterCountMax = characterCountMax;
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[self.textFieldControllerFilled mdc_setAdjustsFontForContentSizeCategory:YES];
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[NSLayoutConstraint
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activateConstraints:[NSLayoutConstraint
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constraintsWithVisualFormat:@"V:[charMax]-[floating]"
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options:NSLayoutFormatAlignAllLeading |
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NSLayoutFormatAlignAllTrailing
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metrics:nil
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views:@{
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@"charMax" : textFieldOutlined,
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@"floating" : textFieldFilled
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}]];
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[NSLayoutConstraint constraintWithItem:textFieldOutlined
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeLeadingMargin
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multiplier:1
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constant:0]
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.active = YES;
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[NSLayoutConstraint constraintWithItem:textFieldOutlined
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attribute:NSLayoutAttributeTrailing
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeTrailingMargin
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multiplier:1
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constant:0]
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.active = YES;
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[NSLayoutConstraint constraintWithItem:textFieldOutlined
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attribute:NSLayoutAttributeTrailing
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relatedBy:NSLayoutRelationEqual
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toItem:self.scrollView
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attribute:NSLayoutAttributeTrailingMargin
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multiplier:1
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constant:0]
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.active = YES;
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// Full Width Text Field
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MDCTextField *textFieldUnderline = [[MDCTextField alloc] init];
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[self.scrollView addSubview:textFieldUnderline];
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textFieldUnderline.translatesAutoresizingMaskIntoConstraints = NO;
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textFieldUnderline.delegate = self;
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textFieldUnderline.clearButtonMode = UITextFieldViewModeUnlessEditing;
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textFieldUnderline.leadingView = [[UIImageView alloc] initWithImage:self.leadingImage];
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textFieldUnderline.leadingViewMode = UITextFieldViewModeAlways;
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textFieldUnderline.trailingView = [[UIImageView alloc] initWithImage:self.trailingImage];
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textFieldUnderline.trailingViewMode = UITextFieldViewModeAlways;
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self.textFieldControllerUnderline =
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[[MDCTextInputControllerUnderline alloc] initWithTextInput:textFieldUnderline];
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self.textFieldControllerUnderline.placeholderText = @"MDCTextInputControllerUnderline";
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self.textFieldControllerUnderline.characterCountMax = characterCountMax;
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[self.textFieldControllerUnderline mdc_setAdjustsFontForContentSizeCategory:YES];
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[NSLayoutConstraint constraintWithItem:textFieldUnderline
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:textFieldFilled
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attribute:NSLayoutAttributeBottom
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multiplier:1
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constant:1]
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.active = YES;
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[NSLayoutConstraint constraintWithItem:textFieldUnderline
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeLeadingMargin
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multiplier:1
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constant:0]
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.active = YES;
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[NSLayoutConstraint constraintWithItem:textFieldUnderline
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attribute:NSLayoutAttributeTrailing
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeTrailingMargin
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multiplier:1
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constant:0]
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.active = YES;
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if (@available(iOS 11.0, *)) {
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[NSLayoutConstraint constraintWithItem:textFieldOutlined
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:self.scrollView.contentLayoutGuide
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attribute:NSLayoutAttributeTop
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multiplier:1
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constant:20]
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.active = YES;
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[NSLayoutConstraint constraintWithItem:textFieldOutlined
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attribute:NSLayoutAttributeBottom
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relatedBy:NSLayoutRelationEqual
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toItem:self.scrollView.contentLayoutGuide
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attribute:NSLayoutAttributeBottom
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multiplier:1
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constant:-20]
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.active = YES;
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} else {
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[NSLayoutConstraint constraintWithItem:textFieldOutlined
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:self.scrollView
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attribute:NSLayoutAttributeTop
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multiplier:1
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constant:20]
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.active = YES;
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[NSLayoutConstraint constraintWithItem:textFieldOutlined
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attribute:NSLayoutAttributeBottom
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relatedBy:NSLayoutRelationEqual
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toItem:self.scrollView
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attribute:NSLayoutAttributeBottom
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multiplier:1
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constant:-20]
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.active = YES;
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}
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}
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#pragma mark - UITextFieldDelegate
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// All the usual UITextFieldDelegate methods work with MDCTextField
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- (BOOL)textField:(UITextField *)textField
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shouldChangeCharactersInRange:(NSRange)range
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replacementString:(NSString *)string {
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return YES;
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}
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- (BOOL)textFieldShouldReturn:(UITextField *)textField {
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[textField resignFirstResponder];
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return NO;
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}
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#pragma mark - Keyboard Handling
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- (void)registerKeyboardNotifications {
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NSNotificationCenter *defaultCenter = [NSNotificationCenter defaultCenter];
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[defaultCenter addObserver:self
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selector:@selector(keyboardWillShow:)
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name:UIKeyboardWillShowNotification
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object:nil];
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[defaultCenter addObserver:self
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selector:@selector(keyboardWillShow:)
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name:UIKeyboardDidChangeFrameNotification
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object:nil];
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[defaultCenter addObserver:self
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selector:@selector(keyboardWillHide:)
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name:UIKeyboardWillHideNotification
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object:nil];
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}
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- (void)keyboardWillShow:(NSNotification *)notification {
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CGRect frame = [[notification.userInfo valueForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];
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self.scrollView.contentInset = UIEdgeInsetsMake(0, 0, CGRectGetHeight(frame), 0);
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}
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- (void)keyboardWillHide:(NSNotification *)notification {
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self.scrollView.contentInset = UIEdgeInsetsMake(0, 0, 0, 0);
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}
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@end
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