All Known Implementing Classes:

UIActivityItemProvider
```
public interface UIActivityItemSource
```

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default @NotNull java.lang.String`	`activityViewControllerDataTypeIdentifierForActivityType(@NotNull UIActivityViewController activityViewController, @Nullable java.lang.String activityType)`	UTI for item if it is an NSData.
`@Nullable java.lang.Object`	`activityViewControllerItemForActivityType(@NotNull UIActivityViewController activityViewController, @Nullable java.lang.String activityType)`	called to fetch data after an activity is selected.
`default @Nullable LPLinkMetadata`	`activityViewControllerLinkMetadata(@NotNull UIActivityViewController activityViewController)`	called to fetch LinkPresentation metadata for the activity item.
`@NotNull java.lang.Object`	`activityViewControllerPlaceholderItem(@NotNull UIActivityViewController activityViewController)`	called to determine data type.
`default @NotNull java.lang.String`	`activityViewControllerSubjectForActivityType(@NotNull UIActivityViewController activityViewController, @Nullable java.lang.String activityType)`	if activity supports a Subject field.
`default @Nullable UIImage`	`activityViewControllerThumbnailImageForActivityTypeSuggestedSize(@NotNull UIActivityViewController activityViewController, @Nullable java.lang.String activityType, CGSize size)`	if activity supports preview image.

Method Detail

activityViewControllerDataTypeIdentifierForActivityType

@NotNull
default @NotNull java.lang.String activityViewControllerDataTypeIdentifierForActivityType(@NotNull
                                                                                          @NotNull UIActivityViewController activityViewController,
                                                                                          @Nullable
                                                                                          @Nullable java.lang.String activityType)

UTI for item if it is an NSData. iOS 7.0. will be called with nil activity and then selected activity

activityViewControllerItemForActivityType

@Nullable
@Nullable java.lang.Object activityViewControllerItemForActivityType(@NotNull
                                                                     @NotNull UIActivityViewController activityViewController,
                                                                     @Nullable
                                                                     @Nullable java.lang.String activityType)

called to fetch data after an activity is selected. you can return nil.

activityViewControllerSubjectForActivityType

@NotNull
default @NotNull java.lang.String activityViewControllerSubjectForActivityType(@NotNull
                                                                               @NotNull UIActivityViewController activityViewController,
                                                                               @Nullable
                                                                               @Nullable java.lang.String activityType)

if activity supports a Subject field. iOS 7.0

activityViewControllerThumbnailImageForActivityTypeSuggestedSize

@Nullable
default @Nullable UIImage activityViewControllerThumbnailImageForActivityTypeSuggestedSize(@NotNull
                                                                                           @NotNull UIActivityViewController activityViewController,
                                                                                           @Nullable
                                                                                           @Nullable java.lang.String activityType,
                                                                                           CGSize size)

if activity supports preview image. iOS 7.0

activityViewControllerPlaceholderItem

@NotNull
@NotNull java.lang.Object activityViewControllerPlaceholderItem(@NotNull
                                                                @NotNull UIActivityViewController activityViewController)

called to determine data type. only the class of the return type is consulted. it should match what -itemForActivityType: returns later

activityViewControllerLinkMetadata

@Nullable
default @Nullable LPLinkMetadata activityViewControllerLinkMetadata(@NotNull
                                                                    @NotNull UIActivityViewController activityViewController)

called to fetch LinkPresentation metadata for the activity item. iOS 13.0 API-Since: 13.0

Interface UIActivityItemSource