先上图:
2016-10-17 23_26_55.gif
实现思路:
实例化view 添加到 window上,在 view上添加广告图片,跳过按钮,再做它们的相应的点击事件处理,需要引入第三方库 SDWebImage, 切记.
妥啦,就是这么简单.来上代码.
调用代码 (三行搞定) AppDelegate.m
//
// AppDelegate.m
// ADLaunchImage
//
// Created by HMC on 16/10/17.
// Copyright © 2016年 SKing. All rights reserved.
//
#import "AppDelegate.h"
#import "ADView.h"
@interface AppDelegate ()
@end
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
//网络测试
NSString * imageURL = @"http://www.uisheji.com/forum.php?mod=attachment&aid=MTA5ODF8NGU1NzM3MDJ8MTQ3NjcyMTQ3MHwwfDU1NzA%3D&noupdate=yes¬humb=yes";
//本地测试
NSString * imageURL1 = @"AD.png";
//本地gif测试
NSString * imageURL2 = @"ad.gif";
ADView * adView = [[ADView alloc] initWithWindow:self.window sizeOfADImage:1.7 showTime:6 adImageURL:imageURL];
adView.adImageClickedBlock = ^(NSInteger num){
NSLog(@"在这里执行点击图片的操作,类型参数为:%ld",(long)num);
};
return YES;
}
自定义 view代码.h
//
// ADView.h
// ADLaunchImage
//
// Created by HMC on 16/10/17.
// Copyright © 2016年 SKing. All rights reserved.
//
#import <UIKit/UIKit.h>
#define screenWidth [[UIScreen mainScreen] bounds].size.width
#define screenHeight [[UIScreen mainScreen] bounds].size.height
@interface ADView : UIView
//点击图片的 block
@property (nonatomic, copy) void(^adImageClickedBlock)(NSInteger num);
/**
初始化对象
@param window window 窗口
@param percentOfAdImage 广告图片大小(0 - 1)
@param interval 广告图片展示时长
@param imageURL 广告图片的 URL(网络) 或者 图片名字(本地)
@return self
*/
-(instancetype)initWithWindow:(UIWindow *)window sizeOfADImage:(CGFloat)percentOfAdImage showTime:(NSInteger)interval adImageURL:(NSString *)imageURL;
@end
.m
//
// ADView.m
// ADLaunchImage
//
// Created by HMC on 16/10/17.
// Copyright © 2016年 SKing. All rights reserved.
//
#import "SADView.h"
#import "UIImageView+WebCache.h"
#import "UIImage+GIF.h"
@interface SADView()
@property (nonatomic, strong) NSTimer * timerOfShowAD;
//广告图片
@property (nonatomic, strong) UIImageView * adImage;
//跳过按钮
@property (nonatomic, strong) UIButton * skipButton;
//广告图片的 URL
@property (nonatomic, copy) NSString * imageURL;
//本地广告图片名字
@property (nonatomic, copy) NSString * localADImage;
//广告图片的大小
@property (nonatomic, assign)CGFloat percentOfAdImage;
//显示时长
@property (nonatomic, assign)NSInteger showTime;
@end
@implementation SADView
-(instancetype)initWithWindow:(UIWindow *)window sizeOfADImage:(CGFloat)percentOfAdImage showTime:(NSInteger)interval adImageURL:(NSString *)imageURL{
self.localADImage = @"AD.png";
_percentOfAdImage = percentOfAdImage;
self.showTime = interval;
self.imageURL = imageURL;
if (self = [super init]) {
//活动窗口
[window makeKeyAndVisible];
CGSize screenSize = window.bounds.size;
//设置启动图片
NSString * launchImageName = nil;
//设置竖屏
NSString * screenDirection = @"Portrait";
NSArray * launchImagesDict = [[[NSBundle mainBundle] infoDictionary] valueForKey:@"UILaunchImages"];
for (NSDictionary * dict in launchImagesDict) {
NSString * imageDiretion = dict[@"UILaunchImageOrientation"];
CGSize imageSize = CGSizeFromString(dict[@"UILaunchImageSize"]);
if (CGSizeEqualToSize(screenSize, imageSize) && [screenDirection isEqualToString:imageDiretion]) {
launchImageName = dict[@"UILaunchImageName"];
}
}
//设置 self 的参数
self.frame = window.bounds;
self.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:launchImageName]];
[self.adImage addSubview:self.skipButton];
[self addSubview:self.adImage];
[window addSubview:self];
}
return self;
}
#pragma mark - 按宽度 等比例缩放 注意:借用网上算法优化
- (UIImage *)imageCompressForWidth:(UIImage *)sourceImage targetWidth:(CGFloat)defineWidth {
UIImage *newImage = nil;
CGSize imageSize = sourceImage.size;
CGFloat width = imageSize.width;
CGFloat height = imageSize.height;
CGFloat targetWidth = defineWidth;
CGFloat targetHeight = targetWidth * height / width ;
CGSize size = CGSizeMake(targetWidth, targetHeight);
CGFloat scaleFactor = 0.0;
CGFloat scaledWidth = targetWidth;
CGFloat scaledHeight = targetHeight;
CGPoint thumbnailPoint = CGPointMake(0.0, 0.0);
if(!CGSizeEqualToSize(imageSize, size)){
CGFloat widthFactor = targetWidth / width;
CGFloat heightFactor = targetHeight / height;
scaleFactor = widthFactor > heightFactor? widthFactor :heightFactor;
scaledWidth = width * scaleFactor;
scaledHeight = height * scaleFactor;
if(widthFactor > heightFactor){
thumbnailPoint.y = (targetHeight - scaledHeight) * 0.5;
}else if(widthFactor < heightFactor){
thumbnailPoint.x = (targetWidth - scaledWidth) * 0.5;
}
}
//重绘
UIGraphicsBeginImageContextWithOptions(size, NO, [UIScreen mainScreen].scale);
CGRect thumbnailRect = CGRectZero;
thumbnailRect.origin = thumbnailPoint;
thumbnailRect.size.width = scaledWidth;
thumbnailRect.size.height = scaledHeight;
[sourceImage drawInRect:thumbnailRect];
newImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return newImage;
}
-(UIImageView *)adImage{
if (!_adImage) {
_adImage = [UIImageView new];
_adImage.contentMode = UIViewContentModeScaleAspectFit;
_adImage.userInteractionEnabled = YES;
if (_percentOfAdImage <= 1 && _percentOfAdImage > 0) {
_adImage.frame = CGRectMake(0, 0, screenWidth, screenHeight * _percentOfAdImage);
}else{
_adImage.frame = CGRectMake(0, 0, screenWidth, screenHeight);
}
UITapGestureRecognizer * tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapAD:)];
[_adImage addGestureRecognizer:tap];
CABasicAnimation * ani = [CABasicAnimation animationWithKeyPath:@"opacity"];
ani.duration = 1.0;
ani.fromValue = [NSNumber numberWithFloat:0.0];
ani.toValue = [NSNumber numberWithFloat:1.0];
ani.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
[_adImage.layer addAnimation:ani forKey:@"animateOpacity"];
}
return _adImage;
}
-(UIButton *)skipButton
{
if (!_skipButton) {
_skipButton = [UIButton buttonWithType:UIButtonTypeCustom];
_skipButton.frame = CGRectMake(screenWidth- 85, 35, 65, 35);
_skipButton.backgroundColor = [UIColor grayColor];
_skipButton.titleLabel.textColor = [UIColor whiteColor];
_skipButton.titleLabel.font = [UIFont systemFontOfSize:14.0];
_skipButton.layer.masksToBounds = YES;
_skipButton.layer.cornerRadius = 5.0;
[_skipButton setTitle:[NSString stringWithFormat:@"跳过"] forState:UIControlStateNormal];
[_skipButton addTarget:self action:@selector(skipAD:) forControlEvents:UIControlEventTouchUpInside];
}
return _skipButton;
}
-(void)setImageURL:(NSString *)imageURL{
_imageURL = imageURL;
if (imageURL) {
[[SDWebImageManager sharedManager] downloadImageWithURL:[NSURL URLWithString:imageURL] options:0 progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) {
if (image) {
[self.adImage setImage:[self imageCompressForWidth:image targetWidth:screenWidth]];
}else{
if ([_imageURL rangeOfString:@".gif"].length) {
NSData * gifImageData = [NSData dataWithContentsOfFile:[[NSBundle mainBundle] pathForResource:_imageURL ofType:nil]];
self.adImage.image = [UIImage sd_animatedGIFWithData:gifImageData];
}else{
[self.adImage setImage: [self imageCompressForWidth:[UIImage imageNamed:_imageURL] targetWidth:screenWidth]];
}
}
}];
}
//设置广告图片的定时器
_timerOfShowAD = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(closeAD) userInfo:nil repeats:YES];
}
//跳过广告
-(void)skipAD:(UIButton *)btn
{
NSLog(@"跳过广告");
[self closeADView];
}
//点击广告
-(void)tapAD:(UITapGestureRecognizer *)tapGestureRecognizer
{
NSLog(@"打开广告");
if (self.adImageClickedBlock) {
self.adImageClickedBlock(1);
}
}
//关闭广告
-(void)closeAD
{
if (self.showTime == 0) {
NSLog(@"时间到,关闭广告");
[self closeADView];
}else{
[self.skipButton setTitle:[NSString stringWithFormat:@"跳过(%@)", @(self.showTime--)] forState:UIControlStateNormal];
}
}
//关闭动画
-(void)closeADView{
[UIView animateWithDuration:1.0 animations:^{
self.alpha = 0.0;
} completion:^(BOOL finished) {
if (finished) {
[_timerOfShowAD invalidate];
_timerOfShowAD = nil;
[self removeFromSuperview];
}
}];
}
@end
加载 gif 的效果
2016-10-18 02_18_02.gif
代码地址: 点这里
