Launch SBApplication's (iOS 5.x)

gistfile1.m

/* References:
 * http://iky1e.tumblr.com/post/13985531616/raw-log-sbdisplay-settings
 * http://iphonedevwiki.net/index.php/SBDisplay
 * http://iphonedevwiki.net/index.php/SBDisplayStack
 * http://code.google.com/p/iphone-tweaks/wiki/DevelopmentNotes
 */




#pragma mark - Active and deactivate applications
-(void)activateApplication:(SBApplication *)toApp animated:(BOOL)animated{
    // Get the currently open application.
    SBApplication *fromApp = [self topApplication];

    // Check if it's the same as the currently open application, if it is there's nothing todo.
	if ([[toApp displayIdentifier] isEqualToString:[fromApp displayIdentifier]])
        return;

    // If animated they want the system default (app to app transition, or zoom on homescreen).
    if (animated && toApp) {
        [(SBUIController*)[objc_getClass("SBUIController") sharedInstance] activateApplicationFromSwitcher:toApp];
        return; // Done, wasn't that easy.
    }

    // Now, if we were asked to, open the other app.
    if (toApp) {
        [toApp clearDisplaySettings];
        [toApp clearActivationSettings];
        [toApp clearDeactivationSettings];

        // 20 = appToApp
        [toApp setActivationSetting:20 flag:YES];

        // Note if it's a large application the user might see a brief flash of the homescreen.
        [[self SBWPreActivateDisplayStack] pushDisplay:toApp];
    }
    

    // If another app is open then close it
    if (fromApp) {
        // Clear any animation settings the app may have
        [fromApp clearDisplaySettings];
        [fromApp clearActivationSettings];
        [fromApp clearDeactivationSettings];

        // Now pop is from the Active displayStack
        [[self SBWActiveDisplayStack] popDisplay:fromApp];
        // And push it onto the Suspending displayStack
        [[self SBWSuspendingDisplayStack] pushDisplay:fromApp];
    }

    if (!toApp) {
        // The user should now be on the homescreen.
        // There's a bug above 4.? (4.1 or 4.2 I think) where the status bar won't be there.

        SBUIController *uiController = (SBUIController*)[objc_getClass("SBUIController") sharedInstance];
        if ([uiController respondsToSelector:@selector(createFakeSpringBoardStatusBar)]) {
            [uiController createFakeSpringBoardStatusBar];
        }
    }
}