本文实例为大家分享了iOS为导航栏添加播放动画的具体代码，供大家参考，具体内容如下
FLAudioVisualizerView.h
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
#import <UIKit/UIKit.h>@interface FLAudioVisualizerView : UIView#pragma mark -// 默认UIEdgeInsetsZero@property (nonatomic, assign) UIEdgeInsets contentInsets;// 默认为4@property (nonatomic, assign) NSInteger barCount;@property (nonatomic, copy) NSArray<NSNumber *> *barHeightRateList;// 默认白色@property (nonatomic, copy) UIColor *barColor;// 默认2@property (nonatomic, assign) CGFloat cornerRadius;// 默认5@property (nonatomic, assign) CGFloat barSpace;// NSValue包装CGPoint@property (nonatomic, strong) NSArray<NSValue *> *aniamteOffsetList;@property (nonatomic, readonly) BOOL isAniamting;- (void)restart;- (void)start;- (void)stop;@end |
FLAudioVisualizerView.m
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
#import "FLAudioVisualizerView.h"@interface FLAudioVisualizerView ()@property (nonatomic, strong) NSArray<UIView *> *barList;@property (nonatomic, assign) BOOL isAniamting;@end@implementation FLAudioVisualizerView#pragma mark -- (id)initWithFrame:(CGRect)frame{ if (self = [super initWithFrame:frame]) { [self setBarCount:4]; _barSpace = 5; _barColor = [UIColor whiteColor]; self.cornerRadius = 2; self.barHeightRateList = @[@(0.4), @(0.75), @(0.55), @(0.95)]; self.transform = CGAffineTransformMakeRotation(M_PI); self.aniamteOffsetList = @[[NSValue valueWithCGPoint:CGPointMake(0.1, 0.4)], [NSValue valueWithCGPoint:CGPointMake(0.75, 0.3)], [NSValue valueWithCGPoint:CGPointMake(0.2, 0.55)], [NSValue valueWithCGPoint:CGPointMake(0.94, 0.4)], ]; self.contentInsets = UIEdgeInsetsZero; } return self;}- (void)layoutSubviews{ [super layoutSubviews]; CGRect rect = self.bounds; if (fabs(rect.size.width) < 1e-3 || fabs(rect.size.height) < 1e-3 || rect.size.width < 0 || rect.size.height < 0 ) { return; } rect = CGRectWithEdgeInserts(rect, self.contentInsets); __block CGRect barRect = rect; barRect.size.width = (rect.size.width - (self.barCount - 1) * self.barSpace) / self.barCount; NSArray<NSNumber *> *barHeightRateList = self.barHeightRateList.reverseObjectEnumerator.allObjects; [self.barList enumerateObjectsUsingBlock:^(UIView * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) { obj.layer.anchorPoint = CGPointZero; CGFloat rate = 1.0; if (idx < barHeightRateList.count) rate = barHeightRateList[idx].floatValue; barRect.size.height = rect.size.height * rate; obj.frame = barRect; barRect.origin.x += barRect.size.width + self.barSpace; }];}#pragma mark -static CGRect CGRectWithEdgeInserts(CGRect rect, UIEdgeInsets inserts){ rect.origin.x += inserts.left; rect.origin.y += inserts.top; rect.size.width -= inserts.left + inserts.right; rect.size.height -= inserts.top + inserts.bottom; return rect;}#pragma mark -- (void)setBarCount:(NSInteger)barCount{ _barCount = barCount; NSInteger diff = self.barList.count - barCount; if (diff > 0) { NSArray<UIView *> *removeBarViewList = [self.barList subarrayWithRange:NSMakeRange(barCount, diff)]; [removeBarViewList makeObjectsPerformSelector:@selector(removeFromSuperview)]; self.barList = [self.barList subarrayWithRange:NSMakeRange(0, barCount)]; } else if (diff < 0) { diff = -diff; NSMutableArray *addBarViewList = [NSMutableArray arrayWithCapacity:diff]; for (NSInteger index = 0; index < diff; index ++) { UIView *imageView = [[UIView alloc] init]; imageView.clipsToBounds = YES; imageView.layer.cornerRadius = self.cornerRadius; [addBarViewList addObject:imageView]; imageView.backgroundColor = [UIColor whiteColor]; } if (self.barList) { self.barList = [self.barList arrayByAddingObjectsFromArray:addBarViewList]; } else { self.barList = addBarViewList; } } [self.barList enumerateObjectsUsingBlock:^(UIView * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) { [self addSubview:obj]; }];}- (void)setCornerRadius:(CGFloat)cornerRadius{ _cornerRadius = cornerRadius; [self.barList enumerateObjectsUsingBlock:^(UIView * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) { obj.layer.cornerRadius = cornerRadius; }];}- (void)setBarColor:(UIColor *)barColor{ [self.barList enumerateObjectsUsingBlock:^(UIView * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) { obj.backgroundColor = barColor; }];}- (void)aniamteWithBar:(UIView *)bar startHeight:(CGFloat)startHeight endHeight:(CGFloat)endHeight{ CABasicAnimation * animation; animation = [CABasicAnimation animationWithKeyPath:@"bounds.size.height"]; animation.fromValue = [NSNumber numberWithFloat:startHeight]; animation.toValue = [NSNumber numberWithFloat:endHeight]; animation.duration = 0.25; animation.repeatCount = MAXFLOAT; animation.autoreverses = YES; [bar.layer addAnimation:animation forKey:@"bounds.size.height"];}- (void)restart{ [self stop]; [self start];}- (void)start{ if (self.isAniamting) return; self.isAniamting = YES; NSArray<NSValue *> *aniamteOffsetList = self.aniamteOffsetList.reverseObjectEnumerator.allObjects; [self.barList enumerateObjectsUsingBlock:^(UIView * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) { if (idx < aniamteOffsetList.count) { CGRect rect = CGRectWithEdgeInserts(self.bounds, self.contentInsets); CGPoint offset = aniamteOffsetList[idx].CGPointValue; [self aniamteWithBar:obj startHeight:rect.size.height * offset.x endHeight:rect.size.height * offset.y]; } }];}- (void)stop{ self.isAniamting = NO; [self.barList enumerateObjectsUsingBlock:^(UIView * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) { [obj.layer removeAllAnimations]; }];}@end |
ViewController.m
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
#import "ViewController.h"#import "FLAudioVisualizerView.h"#define kScreen_width [UIScreen mainScreen].bounds.size.width#define SCREEN_HEIGHT [UIScreen mainScreen].bounds.size.height@interface ViewController ()@property (nonatomic, strong) FLAudioVisualizerView *visualizerView;@end@implementation ViewController- (void)viewDidLoad { [super viewDidLoad]; self.view.backgroundColor = [UIColor whiteColor]; self.title = @"首页"; //修改导航栏标题字体大小和颜色,背景颜色 [self.navigationController.navigationBar setBarTintColor:[UIColor whiteColor]]; [self.navigationController.navigationBar setTitleTextAttributes:@{ NSFontAttributeName:[UIFont systemFontOfSize:17],NSForegroundColorAttributeName:[UIColor blackColor] }]; UIButton *playBtn = [UIButton buttonWithType:UIButtonTypeCustom]; playBtn.frame = CGRectMake(10, 100, 100, 20); [self.view addSubview:playBtn]; [playBtn setTitle:@"开始播放" forState:UIControlStateNormal]; [playBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; [playBtn addTarget:self action:@selector(playClick) forControlEvents:UIControlEventTouchUpInside]; UIButton *stopPlayBtn = [UIButton buttonWithType:UIButtonTypeCustom]; stopPlayBtn.frame = CGRectMake(10, 150, 100, 20); [self.view addSubview:stopPlayBtn]; [stopPlayBtn setTitle:@"停止播放" forState:UIControlStateNormal]; [stopPlayBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; [stopPlayBtn addTarget:self action:@selector(stopPlayBtnClick) forControlEvents:UIControlEventTouchUpInside]; [self setupVisualizerView];}- (void)setupVisualizerView{ CGSize size = CGSizeMake(23, 22); UIEdgeInsets insets = UIEdgeInsetsMake(10, 0, 10, 20); size.width += insets.left + insets.right; size.height += insets.top + insets.bottom; // 直接直接使用visualizerView的时候，在侧滑返回的时候，会出现很奇怪的现象，visualizerView的frame会发生变化，导致显示异常 UIView *containerView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, size.width, size.height)]; FLAudioVisualizerView *visualizerView = [[FLAudioVisualizerView alloc] initWithFrame:CGRectMake(0, 0, size.width, size.height)]; self.visualizerView = visualizerView; [containerView addSubview:visualizerView]; visualizerView.barColor = [UIColor colorWithRed:63/255 green:63/255 blue:64/255 alpha:1]; visualizerView.contentInsets = insets; UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(gotoCurrentPlayPage)]; [containerView addGestureRecognizer:tap]; UIBarButtonItem *barItem = [[UIBarButtonItem alloc] initWithCustomView:containerView]; self.navigationItem.rightBarButtonItem = barItem; }- (void)gotoCurrentPlayPage{ NSLog(@"点击了播放按钮");}- (void)playClick{ NSLog(@"1"); [self.visualizerView restart];}- (void)stopPlayBtnClick{ NSLog(@"2"); [self.visualizerView stop];}- (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated.}@end |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：http://www.cnblogs.com/qiyiyifan/p/7649299.html
