ios - Game Over Class 上的 iAd 横幅实现

Question

所以我有一个游戏，游戏结束了类(class)。我在屏幕底部还有一个 iAd 横幅，但它会在整个游戏过程中一直存在。我希望横幅在游戏结束时出现，并在用户按下重新启动游戏按钮时消失。

在我的 RootViewController.mm我有以下代码

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];

    ADBannerView *adView = [[ADBannerView alloc] initWithFrame: CGRectMake(0,self.view.frame.size.height - 50, 320, 50)];
    [self.view addSubview:adView]; 
}

我将如何在游戏结束时只显示 iAd 横幅？

Answer 1

您应该创建一个 Shared iAd Banner在您的 AppDelegate然后出示ADBannerView曾经ViewController你喜欢。此实现考虑到 ADBannerView不会总是收到来自 iAd 网络的广告。 ADBannerView的alpha属性的设置取决于它是否使用 ADBannerView 接收广告。的委托(delegate)方法。这样，您可以只显示和隐藏 ADBannerView当游戏结束时，当你知道 ADBannerView 重置它时只有当它有要展示的广告时才可见。

AppDelegate.h

#import <UIKit/UIKit.h>
@import iAd; // Import iAd

@interface AppDelegate : UIResponder <UIApplicationDelegate, ADBannerViewDelegate> // Include delegate

@property (strong, nonatomic) UIWindow *window;
@property (strong, nonatomic) ADBannerView *adView;

AppDelegate.m

#import "AppDelegate.h"

@interface AppDelegate ()

@end

@implementation AppDelegate

-(BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Create our one ADBannerView
    _adView = [[ADBannerView alloc]init];
    // Set delegate and hide banner initially
    _adView.delegate = self;
    _adView.hidden = YES;
    return YES;
}

// iAd delegate methods
-(void)bannerViewDidLoadAd:(ADBannerView *)banner {
    NSLog(@"bannerViewDidLoadAd");
    _adView.alpha = 1.0;
}

-(void)bannerView:(ADBannerView *)banner didFailToReceiveAdWithError:(NSError *)error {
    NSLog(@"didFailToReceiveAdWithError: %@",error);
    _adView.alpha = 0.0;
}

ViewController.m

#import "ViewController.h"
#import "AppDelegate.h"

@interface ViewController () {
    AppDelegate *appDelegate;
}

@end

@implementation ViewController

-(void)viewDidLoad {
    [super viewDidLoad];

    // Create reference to our app delegate
    appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
    // Position
    appDelegate.adView.center = CGPointMake(self.view.center.x,
                                            self.view.frame.size.height - appDelegate.adView.frame.size.height / 2);
    // Add to view
    [self.view addSubview:appDelegate.adView];

    // I'm just calling the gameOver function for example
    // You should add the contents of the function to something more suitable
    [self gameOver];
}

-(void)gameOver {
    // Unhide the ADBannerView in which ever function is called first in the gameover view
    // I'm guessing you have a UIButton that this would work in
    appDelegate.adView.hidden = NO;
}

-(void)gameReset {
    // When you reset the game hide the ADBannerView
    // I'm guessing you have a UIButton that this would work in also
    appDelegate.adView.hidden = YES;
}