Fix sticker capture and rendering

android/app/src/main/java/xyz/kusoft/qmax/MainActivity.kt

@@ -2506,6 +2506,7 @@ private fun replyPreviewBody(message: MessageDto): String {
     val attachment = message.attachments.firstOrNull() ?: return "Message"
     return when {
         attachment.isEmojiAttachment() -> "Emoji"
+        attachment.isStickerAttachment() -> "Sticker"
         attachment.isImageAttachment() -> "Photo"
         attachment.isVideoAttachment() -> "Video"
         attachment.isVoiceAttachment() -> "Voice message"
@@ -2689,6 +2690,13 @@ private fun AttachmentView(
             cachedImagePath,
             vm
         )
+        attachment.isStickerAttachment() -> StickerAttachment(
+            attachment,
+            url,
+            session.accessToken,
+            cachedImagePath,
+            vm
+        )
         attachment.isImageAttachment() -> ImageAttachment(
             attachment,
             url,
@@ -2704,6 +2712,47 @@ private fun AttachmentView(
     }
 }
 
+@Composable
+private fun StickerAttachment(
+    attachment: AttachmentDto,
+    url: String,
+    token: String,
+    cachedImagePath: String?,
+    vm: QMaxViewModel
+) {
+    LaunchedEffect(attachment.id, url) {
+        vm.cacheImage(attachment)
+    }
+    val model = cachedImagePath?.let(::File) ?: imageRequest(url, token)
+    var imageLoaded by remember(attachment.id, cachedImagePath, url) { mutableStateOf(false) }
+    var imageFailed by remember(attachment.id, cachedImagePath, url) { mutableStateOf(false) }
+    Box(
+        modifier = Modifier
+            .size(156.dp)
+            .clip(RoundedCornerShape(6.dp))
+            .clickable { vm.openImage(cachedImagePath ?: url, listOf(cachedImagePath ?: url)) },
+        contentAlignment = Alignment.Center
+    ) {
+        AsyncImage(
+            model = model,
+            contentDescription = attachment.fileName,
+            contentScale = ContentScale.Fit,
+            modifier = Modifier.fillMaxSize(),
+            onSuccess = {
+                imageLoaded = true
+                imageFailed = false
+            },
+            onError = {
+                imageLoaded = false
+                imageFailed = true
+            }
+        )
+        if (!imageLoaded) {
+            MediaImagePlaceholder(failed = imageFailed)
+        }
+    }
+}
+
 @Composable
 private fun EmojiAttachment(
     attachment: AttachmentDto,
@@ -3685,7 +3734,7 @@ private fun imageRequest(url: String, token: String): ImageRequest {
 }
 
 private fun AttachmentDto.isImageAttachment(): Boolean {
-    if (isEmojiAttachment()) {
+    if (isEmojiAttachment() || isStickerAttachment()) {
         return false
     }
     return kind.equals("Image", true) ||
@@ -3700,6 +3749,12 @@ private fun AttachmentDto.isEmojiAttachment(): Boolean {
         kind.equals("Emoji", true)
 }
 
+private fun AttachmentDto.isStickerAttachment(): Boolean {
+    val normalizedFileName = fileName.lowercase(Locale.ROOT)
+    return kind.equals("Sticker", true) ||
+        normalizedFileName.startsWith("max-sticker-")
+}
+
 private fun AttachmentDto.isContactAttachment(): Boolean {
     return kind.equals("Contact", true) ||
         contentType.contains("vcard", ignoreCase = true) ||

android/app/src/main/java/xyz/kusoft/qmax/core/local/AttachmentDiskCache.kt

@@ -81,6 +81,7 @@ class AttachmentDiskCache(context: Context) {
                 attachment.downloadPath,
                 attachment.fileName,
                 attachment.contentType,
+                attachment.kind,
                 attachment.fileSizeBytes.toString()
             ).joinToString("|")
         ).take(40)