你應該使用UIDocumentMenuViewController,像
UIDocumentMenuViewController *menus = [[UIDocumentMenuViewController alloc] initWithDocumentTypes:@[@"public.image"] inMode:UIDocumentPickerModeImport];
menus.delegate = self;
[self presentViewController:menus animated:YES completion:nil];
,並在此菜單中,用戶可以選擇的iCloud,谷歌驅動器,Dropbox的...等等 您展示手柄UIDocumentPickerDelegate,UIDocumentMenuDelegate顯示揀貨機,並做一些
例如
- (void)documentPicker:(UIDocumentPickerViewController *)controller didPickDocumentAtURL:(NSURL *)url {
if (controller.documentPickerMode == UIDocumentPickerModeImport) {
// do something
}
}
- (void)documentMenu:(UIDocumentMenuViewController *)documentMenu didPickDocumentPicker:(UIDocumentPickerViewController *)documentPicker {
documentPicker.delegate = self;
[self presentViewController:documentPicker animated:YES completion:nil];
}
注意。 用戶需要安裝谷歌驅動器或Dropbox應用程序,然後可以看到驅動器菜單。
英文不好,希望你能理解。