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git-subtree-dir: submodules/lottie-ios git-subtree-mainline: 76e5a7fab6b0222780f346530cdbeeff96f3e105 git-subtree-split: d40e390fbe6d7ef3b417876af6fdce5e4d2aa335
86 lines
3.1 KiB
Objective-C
86 lines
3.1 KiB
Objective-C
//
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// LATypingDemoViewController.m
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// LottieExamples
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//
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// Created by Brandon Withrow on 1/9/17.
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// Copyright © 2017 Brandon Withrow. All rights reserved.
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//
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#import "TypingDemoViewController.h"
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#import "AnimatedTextField.h"
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@interface TypingDemoViewController () <UITextFieldDelegate>
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@end
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@implementation TypingDemoViewController {
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AnimatedTextField *textField_;
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UITextField *typingField_;
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UISlider *fontSlider_;
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UIButton *closeButton_;
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}
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- (void)viewDidLoad {
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[super viewDidLoad];
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self.view.backgroundColor = [UIColor whiteColor];
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closeButton_ = [UIButton buttonWithType:UIButtonTypeSystem];
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[closeButton_ setTitle:@"Close" forState:UIControlStateNormal];
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[closeButton_ addTarget:self action:@selector(close) forControlEvents:UIControlEventTouchUpInside];
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[self.view addSubview:closeButton_];
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textField_ = [[AnimatedTextField alloc] initWithFrame:self.view.bounds];
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[self.view addSubview:textField_];
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[textField_ setText:@"Start Typing"];
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typingField_ = [[UITextField alloc] initWithFrame:CGRectZero];
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typingField_.alpha = 0;
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typingField_.text = textField_.text;
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typingField_.delegate = self;
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[self.view addSubview:typingField_];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardChanged:) name:UIKeyboardWillShowNotification object:NULL];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardChanged:) name:UIKeyboardWillHideNotification object:NULL];
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fontSlider_ = [[UISlider alloc] initWithFrame:CGRectZero];
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fontSlider_.minimumValue = 18;
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fontSlider_.maximumValue = 128;
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fontSlider_.value = 36;
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[fontSlider_ addTarget:self action:@selector(sliderUpdated) forControlEvents:UIControlEventValueChanged];
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[self.view addSubview:fontSlider_];
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}
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- (void)viewDidAppear:(BOOL)animated {
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[super viewDidAppear:animated];
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[typingField_ becomeFirstResponder];
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}
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- (void)viewDidLayoutSubviews {
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[super viewDidLayoutSubviews];
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CGSize buttonSize = [closeButton_ sizeThatFits:self.view.bounds.size];
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closeButton_.frame = CGRectMake(10, 30, buttonSize.width, 50);
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fontSlider_.frame = CGRectMake(10, CGRectGetMaxY(closeButton_.frame), self.view.bounds.size.width - 20, 44);
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textField_.frame = CGRectMake(0, CGRectGetMaxY(fontSlider_.frame), self.view.bounds.size.width, self.view.bounds.size.height - CGRectGetMaxY(fontSlider_.frame));
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typingField_.frame = CGRectMake(0, -100, self.view.bounds.size.width, 25);
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}
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- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
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[textField_ changeCharactersInRange:range toString:string];
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return YES;
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}
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- (void)keyboardChanged:(NSNotification *)notif {
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NSDictionary *userInfo = notif.userInfo;
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NSValue *keyboardFrame = userInfo[UIKeyboardFrameEndUserInfoKey];
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[textField_ setScrollInsets:UIEdgeInsetsMake(0, 0, keyboardFrame.CGRectValue.size.height, 0)];
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}
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- (void)sliderUpdated {
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textField_.fontSize = fontSlider_.value;
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}
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- (void)close {
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[typingField_ resignFirstResponder];
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[self.presentingViewController dismissViewControllerAnimated:YES completion:NULL];
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}
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@end
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