模态视图摇手势

Question

I am having an issue with using a shake gesture with modal view switching. The shake gesture works when I move into the specified view controller the first time. When I exit and return however, it does not. I have implemented the can become first responder and viewdidAppear techniques, and the console detects a shake using an NSLog entry, but nothing happens. Everything else seems to work but it won't initiate the actions of a shake on second viewing.

Any help or insight would be greatly appreciated

Answer 1

please let me know what other pieces of code would be helpful -

-(BOOL)canBecomeFirstResponder {
return YES;}


- (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event
{
if ( event.subtype == UIEventSubtypeMotionShake )
{
    // Put in code here to handle shake
    NSLog(@"Shaken");
    time = 9.0;
    timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(countdown) userInfo:nil repeats:NO];
    myAnimatedView.hidden = NO;
    myAnimatedView2.hidden = NO;
    myAnimatedView3.hidden = NO;
    webViewRandomizer.hidden = YES;
    backToRandomizer.hidden = YES;
    backToRandomizerBG.hidden = YES;
    backRandomizer.hidden = YES;
    forwardRandomizer.hidden = YES;
    backToRandomizerMenu.hidden = YES;
    tweetView.image = [UIImage imageNamed:@"3988567990_60d8da5cdf_o.jpg"];
    [webViewRandomizer resignFirstResponder];
    [self becomeFirstResponder];




    [myAnimatedView setAnimationRepeatCount:6];
    [myAnimatedView2 setAnimationRepeatCount:2];
    [myAnimatedView3 setAnimationRepeatCount:1];
    myAnimatedView.animationDuration = 0.5;
    myAnimatedView2.animationDuration = 3.0;
    myAnimatedView3.animationDuration = 9.0;

    [myAnimatedView startAnimating];
    [myAnimatedView2 startAnimating];
    [myAnimatedView3 startAnimating];



    NSURL *url = [NSURL URLWithString:@"http://historicaltweets.com/"];
    NSURLRequest *requestObj = [NSURLRequest requestWithURL:url];
    [webViewRandomizer loadRequest:requestObj];
    [self performSelector:@selector(aShowRandomizer) withObject:nil afterDelay:10.0f];}

if ( [super respondsToSelector:@selector(motionEnded:withEvent:)] ){
    [super motionEnded:motion withEvent:event]; }}

#define kUpdateInterval (1.0f/60.0f)

- (void)viewDidAppear:(BOOL)animated{
UIAccelerometer *accel = [UIAccelerometer sharedAccelerometer];
accel.delegate = self;
accel.updateInterval = kUpdateInterval;
[super viewDidAppear:animated];
[self becomeFirstResponder];}

- (void)viewDidDisappear:(BOOL)animated{
UIAccelerometer *accel = [UIAccelerometer sharedAccelerometer];
accel.delegate = nil;}

-(IBAction)backToRandomizerMenuGo{


[self dismissModalViewControllerAnimated:YES];}