Package com.example.breeze_seas

Class UiImageBinder

java.lang.Object

com.example.breeze_seas.UiImageBinder

public final class UiImageBinder
extends Object

Small image-binding helper for list rows that need Firestore-backed posters or profile photos.

This keeps image loading logic in one place, adds lightweight in-memory caching, and guards against recycled views receiving stale async image callbacks.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	UiImageBinder.PlaceholderRenderer	Renders the placeholder state for one image slot before any async data arrives.

Method Summary

Modifier and Type	Method	Description
static void	bindEventPoster(android.widget.ImageView imageView, String eventId, UiImageBinder.PlaceholderRenderer placeholderRenderer)	Binds one event poster into the supplied image view using the event id as the lookup key.
static void	bindImageDoc(android.widget.ImageView imageView, String imageDocId, UiImageBinder.PlaceholderRenderer placeholderRenderer)	Binds one already-known image document id into the supplied image view.
static void	bindUserAvatar(android.widget.ImageView imageView, User user, UiImageBinder.PlaceholderRenderer placeholderRenderer)	Binds one user's avatar image into the supplied image view.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

bindEventPoster

public static void bindEventPoster(@NonNull
 android.widget.ImageView imageView,
 @Nullable
 String eventId,
 @NonNull
 UiImageBinder.PlaceholderRenderer placeholderRenderer)

Binds one event poster into the supplied image view using the event id as the lookup key.

Parameters:

imageView - Image view that should show the event poster.

eventId - Firestore event document id.

placeholderRenderer - Renderer applied immediately and again when no poster exists.

bindImageDoc

public static void bindImageDoc(@NonNull
 android.widget.ImageView imageView,
 @Nullable
 String imageDocId,
 @NonNull
 UiImageBinder.PlaceholderRenderer placeholderRenderer)

Binds one already-known image document id into the supplied image view.

Parameters:

imageView - Image view that should show the image.

imageDocId - Firestore image document id.

placeholderRenderer - Renderer applied immediately and again when no image exists.

bindUserAvatar

public static void bindUserAvatar(@NonNull
 android.widget.ImageView imageView,
 @Nullable
 User user,
 @NonNull
 UiImageBinder.PlaceholderRenderer placeholderRenderer)

Binds one user's avatar image into the supplied image view.

Parameters:

imageView - Image view that should show the avatar.

user - User whose avatar should be displayed.

placeholderRenderer - Renderer applied immediately and again when no avatar exists.