在启动屏幕上添加UIActivityController

Question

我取了一个default.png文件作为我的启动屏幕，并让它睡了几秒钟以使它可见。

但是我也想给它添加一个UIActivityController。因为我没有服用任何ViewController。

我该怎么加呢？

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    

_homeViewController = [[XTHomeViewController alloc]initWithNibName:kHOME_VIEW bundle:nil];
_navigate = [[UINavigationController alloc]initWithRootViewController:_homeViewController];

[self.window addSubview:_navigate.view];
[self.window makeKeyAndVisible];
[NSThread sleepForTimeInterval:0.75];
return YES;

这就是我的全部。

Answer 1

您可以添加这样的Activityindicater

in DemoappeDelegate.h file

IBOutlet UiView *splashView;

in DemoappDelegate.m

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    

   UIActivityIndicatorView *spinningWheel = [[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(145.0, 290.0, 25.0, 25.0)];
   [spinningWheel startAnimating];
   spinningWheel.activityIndicatorViewStyle = UIActivityIndicatorViewStyleGray;
   [splashView addSubview:spinningWheel];
   [spinningWheel release];
}

Answer 2

没有使用UIActivityController的方法，但您可以按照以下方式来做

首先，你要

在.h文件中

IBOutlet UIProgressView * threadProgressView;

在.m文件中

// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
    - (void)viewDidLoad 
    {

        threadProgressView.progress = 0.0;
        [self performSelectorOnMainThread:@selector(makeMyProgressBarMoving) withObject:nil waitUntilDone:NO]; 
        [super viewDidLoad];
    }

//For progress bar 

- (void)makeMyProgressBarMoving {

    float actual = [threadProgressView progress];
    if (actual < 1) {
        threadProgressView.progress = actual + 0.02;
        [NSTimer scheduledTimerWithTimeInterval:0.05 target:self selector:@selector(makeMyProgressBarMoving) userInfo:nil repeats:NO];
    }