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我試圖從OpenGL視圖(使用libGDX/RoboVM)呈現UIActivityViewController,但我有混合結果。UIActivityViewController不顯示在iPhone + iOS 8
它可以在iOS 7和iOS 8 iPad上正常工作,但在iOS 8 iPhone上,它只是暫停應用程序而不會發生任何事情。除了完成塊從不觸發外,調試日誌中沒有任何註釋。這是代碼:
UIActivityViewController controller = new UIActivityViewController(activityItems, null);
List<String> excludedTypes = new ArrayList<String>();
excludedTypes.add("UIActivityTypePrint");
excludedTypes.add("UIActivityTypeAssignToContact");
excludedTypes.add("UIActivityTypeAddToReadingList");
excludedTypes.add("UIActivityTypeAirDrop");
excludedTypes.add("UIActivityTypeCopyToPasteboard");
controller.setExcludedActivityTypes(excludedTypes);
IOSApplication iosApplication = (IOSApplication)Gdx.app;
// for iPad (https://groups.google.com/forum/#!topic/robovm/fiGDVf6AAsc)
int majorOsVersion = Integer.parseInt(System.getProperty("os.version").substring(0, System.getProperty("os.version").indexOf('.')));
if (majorOsVersion >= 8)
{
UIView sourceView = iosApplication.getUIViewController().getView();
if (width > 0 && height > 0)
{
UIView subView = new UIView(new CGRect(left, top, width, height));
sourceView.addSubview(subView);
sourceView = subView;
}
UIActivityViewControllerExtensions.getPopoverPresentationController(controller).setSourceView(sourceView);
}
iosApplication.getUIViewController().presentViewController(controller, true, null);
我已經驗證,該方法被稱爲「主」線程(希望在libGDX這是同一個主線程在一個CocoaTouch應用程序)