Continued work on attachments

app/src/main/java/io/heckel/ntfy/data/Database.kt

@@ -59,15 +59,15 @@ data class Notification(
 
 @Entity
 data class Attachment(
-    @ColumnInfo(name = "name") val name: String?, // Filename
+    @ColumnInfo(name = "name") val name: String, // Filename (mandatory, see ntfy server)
     @ColumnInfo(name = "type") val type: String?, // MIME type
     @ColumnInfo(name = "size") val size: Long?, // Size in bytes
     @ColumnInfo(name = "expires") val expires: Long?, // Unix timestamp
-    @ColumnInfo(name = "url") val url: String,
-    @ColumnInfo(name = "contentUri") val contentUri: String?,
-    @ColumnInfo(name = "progress") val progress: Int,
+    @ColumnInfo(name = "url") val url: String, // URL (mandatory, see ntfy server)
+    @ColumnInfo(name = "contentUri") val contentUri: String?, // After it's downloaded, the content:// location
+    @ColumnInfo(name = "progress") val progress: Int, // Progress during download, -1 if not downloaded
 ) {
-    constructor(name: String?, type: String?, size: Long?, expires: Long?, url: String) :
+    constructor(name: String, type: String?, size: Long?, expires: Long?, url: String) :
             this(name, type, size, expires, url, null, PROGRESS_NONE)
 }
 

app/src/main/java/io/heckel/ntfy/msg/AttachmentDownloaderWorker.kt

@@ -45,23 +45,24 @@ class AttachmentDownloadWorker(private val context: Context, params: WorkerParam
             if (!response.isSuccessful || response.body == null) {
                 throw Exception("Attachment download failed: ${response.code}")
             }
-            val name = attachment.name ?: "attachment.bin"
-            val mimeType = attachment.type ?: "application/octet-stream"
+            val name = attachment.name
             val size = attachment.size ?: 0
             val resolver = applicationContext.contentResolver
             val details = ContentValues().apply {
                 put(MediaStore.MediaColumns.DISPLAY_NAME, name)
-                put(MediaStore.MediaColumns.MIME_TYPE, mimeType)
+                if (attachment.type != null) {
+                    put(MediaStore.MediaColumns.MIME_TYPE, attachment.type)
+                }
                 put(MediaStore.MediaColumns.RELATIVE_PATH, Environment.DIRECTORY_DOWNLOADS)
                 put(MediaStore.MediaColumns.IS_DOWNLOAD, 1)
             }
             val uri = resolver.insert(MediaStore.Files.getContentUri(MediaStore.VOLUME_EXTERNAL), details)
                 ?: throw Exception("Cannot get content URI")
             Log.d(TAG, "Starting download to content URI: $uri")
+            var bytesCopied: Long = 0
             val out = resolver.openOutputStream(uri) ?: throw Exception("Cannot open output stream")
             out.use { fileOut ->
                 val fileIn = response.body!!.byteStream()
-                var bytesCopied: Long = 0
                 val buffer = ByteArray(8 * 1024)
                 var bytes = fileIn.read(buffer)
                 var lastProgress = 0L
@@ -80,7 +81,7 @@ class AttachmentDownloadWorker(private val context: Context, params: WorkerParam
                 }
             }
             Log.d(TAG, "Attachment download: successful response, proceeding with download")
-            val newAttachment = attachment.copy(contentUri = uri.toString(), progress = PROGRESS_DONE)
+            val newAttachment = attachment.copy(contentUri = uri.toString(), size = bytesCopied, progress = PROGRESS_DONE)
             val newNotification = notification.copy(attachment = newAttachment)
             repository.updateNotification(newNotification)
             notifier.update(subscription, newNotification)

app/src/main/java/io/heckel/ntfy/ui/DetailAdapter.kt

@@ -1,12 +1,10 @@
 package io.heckel.ntfy.ui
 
 import android.app.DownloadManager
-import android.content.ClipData
-import android.content.ClipboardManager
-import android.content.Context
-import android.content.Intent
+import android.content.*
 import android.graphics.BitmapFactory
 import android.net.Uri
+import android.provider.OpenableColumns
 import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
@@ -20,11 +18,14 @@ import androidx.work.OneTimeWorkRequest
 import androidx.work.WorkManager
 import androidx.work.workDataOf
 import io.heckel.ntfy.R
+import io.heckel.ntfy.data.Attachment
 import io.heckel.ntfy.data.Notification
+import io.heckel.ntfy.data.PROGRESS_DONE
+import io.heckel.ntfy.data.PROGRESS_NONE
 import io.heckel.ntfy.msg.AttachmentDownloadWorker
-import io.heckel.ntfy.msg.NotificationDispatcher
 import io.heckel.ntfy.util.*
 import java.util.*
+import kotlin.math.exp
 
 
 class DetailAdapter(private val onClick: (Notification) -> Unit, private val onLongClick: (Notification) -> Unit) :
@@ -59,11 +60,13 @@ class DetailAdapter(private val onClick: (Notification) -> Unit, private val onL
         private val dateView: TextView = itemView.findViewById(R.id.detail_item_date_text)
         private val titleView: TextView = itemView.findViewById(R.id.detail_item_title_text)
         private val messageView: TextView = itemView.findViewById(R.id.detail_item_message_text)
-        private val newImageView: View = itemView.findViewById(R.id.detail_item_new_dot)
+        private val newDotImageView: View = itemView.findViewById(R.id.detail_item_new_dot)
         private val tagsView: TextView = itemView.findViewById(R.id.detail_item_tags_text)
-        private val imageView: ImageView = itemView.findViewById(R.id.detail_item_image)
-        private val attachmentView: TextView = itemView.findViewById(R.id.detail_item_attachment_text)
         private val menuButton: ImageButton = itemView.findViewById(R.id.detail_item_menu_button)
+        private val attachmentImageView: ImageView = itemView.findViewById(R.id.detail_item_attachment_image)
+        private val attachmentBoxView: View = itemView.findViewById(R.id.detail_item_attachment_box)
+        private val attachmentIconView: ImageView = itemView.findViewById(R.id.detail_item_attachment_icon)
+        private val attachmentInfoView: TextView = itemView.findViewById(R.id.detail_item_attachment_info)
 
         fun bind(notification: Notification) {
             this.notification = notification
@@ -73,7 +76,7 @@ class DetailAdapter(private val onClick: (Notification) -> Unit, private val onL
 
             dateView.text = Date(notification.timestamp * 1000).toString()
             messageView.text = formatMessage(notification)
-            newImageView.visibility = if (notification.notificationId == 0) View.GONE else View.VISIBLE
+            newDotImageView.visibility = if (notification.notificationId == 0) View.GONE else View.VISIBLE
             itemView.setOnClickListener { onClick(notification) }
             itemView.setOnLongClickListener { onLongClick(notification); true }
             if (notification.title != "") {
@@ -91,6 +94,11 @@ class DetailAdapter(private val onClick: (Notification) -> Unit, private val onL
             if (selected.contains(notification.id)) {
                 itemView.setBackgroundResource(R.color.primarySelectedRowColor);
             }
+            renderPriority(context, notification)
+            maybeRenderAttachment(context, notification)
+        }
+
+        private fun renderPriority(context: Context, notification: Notification) {
             when (notification.priority) {
                 1 -> {
                     priorityImageView.visibility = View.VISIBLE
@@ -112,66 +120,170 @@ class DetailAdapter(private val onClick: (Notification) -> Unit, private val onL
                     priorityImageView.setImageDrawable(ContextCompat.getDrawable(context, R.drawable.ic_priority_5_24dp))
                 }
             }
-            val contentUri = notification.attachment?.contentUri
-            val fileExists = if (contentUri != null) fileExists(context, contentUri) else false
-            if (contentUri != null && fileExists && supportedImage(notification.attachment.type)) {
-                try {
-                    val resolver = context.applicationContext.contentResolver
-                    val bitmapStream = resolver.openInputStream(Uri.parse(contentUri))
-                    val bitmap = BitmapFactory.decodeStream(bitmapStream)
-                    imageView.setImageBitmap(bitmap)
-                    imageView.visibility = View.VISIBLE
-                } catch (_: Exception) {
-                    imageView.visibility = View.GONE
         }
-            } else {
-                imageView.visibility = View.GONE
-            }
-            if (notification.attachment != null) {
-                attachmentView.text = formatAttachmentInfo(notification, fileExists)
-                attachmentView.visibility = View.VISIBLE
-                menuButton.visibility = View.VISIBLE
-                menuButton.setOnClickListener { menuView ->
-                    val popup = PopupMenu(context, menuView)
-                    popup.menuInflater.inflate(R.menu.menu_detail_attachment, popup.menu)
 
+        private fun maybeRenderAttachment(context: Context, notification: Notification) {
+            if (notification.attachment == null) {
+                menuButton.visibility = View.GONE
+                attachmentImageView.visibility = View.GONE
+                attachmentBoxView.visibility = View.GONE
+                return
+            }
+            val attachment = notification.attachment
+            val exists = if (attachment.contentUri != null) fileExists(context, attachment.contentUri) else false
+            maybeRenderAttachmentImage(context, attachment, exists)
+            renderAttachmentBox(context, notification, attachment, exists)
+        }
+
+        private fun renderAttachmentBox(context: Context, notification: Notification, attachment: Attachment, exists: Boolean) {
+            attachmentInfoView.text = formatAttachmentDetails(context, attachment, exists)
+            attachmentIconView.setImageResource(if (attachment.type?.startsWith("image/") == true) {
+                R.drawable.ic_file_image_gray_24dp
+            } else if (attachment.type?.startsWith("video/") == true) {
+                R.drawable.ic_file_video_gray_24dp
+            } else if (attachment.type?.startsWith("audio/") == true) {
+                R.drawable.ic_file_audio_gray_24dp
+            } else {
+                R.drawable.ic_file_document_gray_24dp
+            })
+            val menuButtonPopupMenu = createAttachmentPopup(context, menuButton, notification, attachment, exists) // Heavy lifting not during on-click
+            if (menuButtonPopupMenu != null) {
+                menuButton.setOnClickListener { menuButtonPopupMenu.show() }
+                menuButton.visibility = View.VISIBLE
+            } else {
+                menuButton.visibility = View.GONE
+            }
+            val attachmentBoxPopupMenu = createAttachmentPopup(context, attachmentBoxView, notification, attachment, exists) // Heavy lifting not during on-click
+            if (attachmentBoxPopupMenu != null) {
+                attachmentBoxView.setOnClickListener { attachmentBoxPopupMenu.show() }
+            } else {
+                attachmentBoxView.setOnClickListener {
+                    Toast
+                        .makeText(context, context.getString(R.string.detail_item_cannot_download), Toast.LENGTH_LONG)
+                        .show()
+                }
+            }
+            attachmentBoxView.visibility = View.VISIBLE
+        }
+
+        private fun createAttachmentPopup(context: Context, anchor: View?, notification: Notification, attachment: Attachment, exists: Boolean): PopupMenu? {
+            val popup = PopupMenu(context, anchor)
+            popup.menuInflater.inflate(R.menu.menu_detail_attachment, popup.menu)
             val downloadItem = popup.menu.findItem(R.id.detail_item_menu_download)
             val openItem = popup.menu.findItem(R.id.detail_item_menu_open)
             val browseItem = popup.menu.findItem(R.id.detail_item_menu_browse)
             val copyUrlItem = popup.menu.findItem(R.id.detail_item_menu_copy_url)
-                    if (contentUri != null && fileExists) {
+            val expired = attachment.expires != null && attachment.expires < System.currentTimeMillis()/1000
+            if (attachment.contentUri != null) {
                 openItem.setOnMenuItemClickListener {
-                            context.startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(contentUri))) // FIXME try/catch
+                    try {
+                        context.startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(attachment.contentUri)))
+                    } catch (e: ActivityNotFoundException) {
+                        Toast
+                            .makeText(context, context.getString(R.string.detail_item_cannot_open), Toast.LENGTH_LONG)
+                            .show()
+                    } catch (_: Exception) {
+                        // URI parse exception and others; we don't care!
+                    }
                     true
                 }
+            }
             browseItem.setOnMenuItemClickListener {
                 context.startActivity(Intent(DownloadManager.ACTION_VIEW_DOWNLOADS))
                 true
             }
             copyUrlItem.setOnMenuItemClickListener {
                 val clipboard = context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
-                            val clip = ClipData.newPlainText("attachment url", notification.attachment.url)
+                val clip = ClipData.newPlainText("attachment url", attachment.url)
                 clipboard.setPrimaryClip(clip)
                 Toast
-                                .makeText(context, context.getString(R.string.detail_copied_to_clipboard_message), Toast.LENGTH_LONG)
+                    .makeText(context, context.getString(R.string.detail_item_menu_copy_url_copied), Toast.LENGTH_LONG)
                     .show()
                 true
             }
-                        downloadItem.isVisible = false
-                    } else {
-                        openItem.isVisible = false
-                        browseItem.isVisible = false
             downloadItem.setOnMenuItemClickListener {
                 scheduleAttachmentDownload(context, notification)
                 true
             }
+            openItem.isVisible = exists
+            browseItem.isVisible = exists
+            downloadItem.isVisible = !exists && !expired
+            copyUrlItem.isVisible = !expired
+            val noOptions = !openItem.isVisible && !browseItem.isVisible && !downloadItem.isVisible && !copyUrlItem.isVisible
+            if (noOptions) {
+                return null
+            }
+            return popup
         }
 
-                    popup.show()
+        private fun formatAttachmentDetails(context: Context, attachment: Attachment, exists: Boolean): String {
+            val name = queryAttachmentFilename(context, attachment)
+            val notYetDownloaded = !exists && attachment.progress == PROGRESS_NONE
+            val downloading = !exists && attachment.progress in 0..99
+            val deleted = !exists && attachment.progress == PROGRESS_DONE
+            val expired = attachment.expires != null && attachment.expires < System.currentTimeMillis()/1000
+            val expires = attachment.expires != null && attachment.expires > System.currentTimeMillis()/1000
+            val infos = mutableListOf<String>()
+            if (attachment.size != null) {
+                infos.add(formatBytes(attachment.size))
             }
+            if (notYetDownloaded) {
+                if (expired) {
+                    infos.add("not downloaded, link expired")
+                } else if (expires) {
+                    infos.add("not downloaded, link expires ${formatDateShort(attachment.expires!!)}")
                 } else {
-                attachmentView.visibility = View.GONE
-                menuButton.visibility = View.GONE
+                    infos.add("not downloaded")
+                }
+            } else if (downloading) {
+                infos.add("${attachment.progress}% downloaded")
+            } else if (deleted) {
+                if (expired) {
+                    infos.add("deleted, link expired")
+                } else if (expires) {
+                    infos.add("deleted, link expires ${formatDateShort(attachment.expires!!)}")
+                } else {
+                    infos.add("deleted")
+                }
+            }
+            return if (infos.size > 0) {
+                "$name\n${infos.joinToString(", ")}"
+            } else {
+                name
+            }
+        }
+
+        private fun queryAttachmentFilename(context: Context, attachment: Attachment): String {
+            if (attachment.contentUri == null) {
+                return attachment.name
+            }
+            try {
+                val resolver = context.applicationContext.contentResolver
+                val cursor = resolver.query(Uri.parse(attachment.contentUri), null, null, null, null) ?: return attachment.name
+                return cursor.use { c ->
+                    val nameIndex = c.getColumnIndexOrThrow(OpenableColumns.DISPLAY_NAME)
+                    c.moveToFirst()
+                    c.getString(nameIndex)
+                }
+            } catch (_: Exception) {
+                return attachment.name
+            }
+        }
+
+        private fun maybeRenderAttachmentImage(context: Context, att: Attachment, exists: Boolean) {
+            val fileIsImage = att.contentUri != null && exists && supportedImage(att.type)
+            if (!fileIsImage) {
+                attachmentImageView.visibility = View.GONE
+                return
+            }
+            try {
+                val resolver = context.applicationContext.contentResolver
+                val bitmapStream = resolver.openInputStream(Uri.parse(att.contentUri))
+                val bitmap = BitmapFactory.decodeStream(bitmapStream)
+                attachmentImageView.setImageBitmap(bitmap)
+                attachmentImageView.visibility = View.VISIBLE
+            } catch (_: Exception) {
+                attachmentImageView.visibility = View.GONE
             }
         }
 

app/src/main/java/io/heckel/ntfy/util/Util.kt

@@ -109,24 +109,6 @@ fun formatTitle(notification: Notification): String {
     }
 }
 
-// FIXME duplicate code
-fun formatAttachmentInfo(notification: Notification, fileExists: Boolean): String {
-    if (notification.attachment == null) return ""
-    val att = notification.attachment
-    val infos = mutableListOf<String>()
-    if (att.name != null) infos.add(att.name)
-    if (att.size != null) infos.add(formatBytes(att.size))
-    //if (att.expires != null && att.expires != 0L) infos.add(formatDateShort(att.expires))
-    if (att.progress in 0..99) infos.add("${att.progress}%")
-    if (!fileExists) {
-        if (att.progress == PROGRESS_NONE) infos.add("not downloaded")
-        else infos.add("deleted")
-    }
-    if (infos.size == 0) return ""
-    if (att.progress < 100) return "Downloading ${infos.joinToString(", ")}"
-    return "\uD83D\uDCC4 " + infos.joinToString(", ")
-}
-
 // Checks in the most horrible way if a content URI exists; I couldn't find a better way
 fun fileExists(context: Context, uri: String): Boolean {
     val resolver = context.applicationContext.contentResolver
@@ -175,7 +157,7 @@ fun formatBytes(bytes: Long): String {
         i -= 10
     }
     value *= java.lang.Long.signum(bytes).toLong()
-    return java.lang.String.format("%.1f %ciB", value / 1024.0, ci.current())
+    return java.lang.String.format("%.1f %cB", value / 1024.0, ci.current())
 }
 
 fun supportedImage(mimeType: String?): Boolean {

app/src/main/res/drawable/ic_file_audio_gray_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M14,2H6C4.9,2 4,2.9 4,4v16c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2V8L14,2zM6,20V4h7v5h5v11H6zM16,11h-4v3.88c-0.36,-0.24 -0.79,-0.38 -1.25,-0.38c-1.24,0 -2.25,1.01 -2.25,2.25c0,1.24 1.01,2.25 2.25,2.25S13,17.99 13,16.75V13h3V11z"
+      android:fillColor="#555555"/>
+</vector>

app/src/main/res/drawable/ic_file_document_gray_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M8,16h8v2L8,18zM8,12h8v2L8,14zM14,2L6,2c-1.1,0 -2,0.9 -2,2v16c0,1.1 0.89,2 1.99,2L18,22c1.1,0 2,-0.9 2,-2L20,8l-6,-6zM18,20L6,20L6,4h7v5h5v11z"
+      android:fillColor="#555555"/>
+</vector>

app/src/main/res/drawable/ic_file_image_gray_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M19,5v14L5,19L5,5h14m0,-2L5,3c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2L21,5c0,-1.1 -0.9,-2 -2,-2zM14.14,11.86l-3,3.87L9,13.14 6,17h12l-3.86,-5.14z"
+      android:fillColor="#555555"/>
+</vector>

app/src/main/res/drawable/ic_file_video_gray_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M14,2H6C4.9,2 4,2.9 4,4v16c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2V8L14,2zM6,20V4h7v5h5v11H6zM14,14l2,-1.06v4.12L14,16v1c0,0.55 -0.45,1 -1,1H9c-0.55,0 -1,-0.45 -1,-1v-4c0,-0.55 0.45,-1 1,-1h4c0.55,0 1,0.45 1,1V14z"
+      android:fillColor="#555555"/>
+</vector>

app/src/main/res/layout/fragment_detail_item.xml

@@ -48,7 +48,7 @@
             app:layout_constraintTop_toBottomOf="@id/detail_item_title_text"
             app:layout_constraintStart_toStartOf="parent" android:layout_marginStart="10dp"
             app:layout_constraintEnd_toEndOf="parent" android:layout_marginEnd="10dp"
-            app:layout_constraintBottom_toTopOf="@id/detail_item_image"/>
+            app:layout_constraintBottom_toTopOf="@id/detail_item_attachment_image"/>
     <TextView
             android:text="This is an optional title. It can also be a little longer but not too long."
             android:layout_width="0dp"
@@ -71,25 +71,13 @@
     <com.google.android.material.imageview.ShapeableImageView
             android:layout_width="fill_parent"
             android:layout_height="wrap_content" app:srcCompat="@drawable/ic_cancel_gray_24dp"
-            android:id="@+id/detail_item_image" app:layout_constraintStart_toStartOf="parent"
+            android:id="@+id/detail_item_attachment_image" app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintEnd_toEndOf="parent" app:layout_constraintTop_toBottomOf="@id/detail_item_message_text"
             android:layout_marginStart="10dp" android:layout_marginEnd="10dp"
             android:scaleType="centerCrop"
             android:adjustViewBounds="true" android:maxHeight="150dp" android:layout_marginTop="5dp"
-            app:layout_constraintBottom_toTopOf="@id/detail_item_attachment_text" android:layout_marginBottom="5dp"
-            app:shapeAppearanceOverlay="@style/roundedCornersImageView" android:visibility="visible"/>
-    <TextView
-            android:text="📄attachment.jpg, 20.1 KB"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:id="@+id/detail_item_attachment_text"
-            android:textColor="@color/primaryTextColor"
-            android:textAppearance="@style/TextAppearance.AppCompat.Small"
-            android:autoLink="web"
-            app:layout_constraintStart_toStartOf="parent"
-            android:layout_marginStart="10dp"
-            app:layout_constraintTop_toBottomOf="@id/detail_item_image"
-            app:layout_constraintBottom_toTopOf="@+id/detail_item_tags_text" android:layout_marginTop="3dp"/>
+            app:shapeAppearanceOverlay="@style/roundedCornersImageView" android:visibility="visible"
+            android:layout_marginBottom="3dp" app:layout_constraintBottom_toTopOf="@id/detail_item_tags_text"/>
     <TextView
             android:text="Tags: ssh, zfs"
             android:layout_width="0dp"
@@ -98,13 +86,43 @@
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             app:layout_constraintStart_toStartOf="parent" android:layout_marginStart="10dp"
             app:layout_constraintEnd_toEndOf="parent" android:layout_marginEnd="10dp"
-            app:layout_constraintTop_toBottomOf="@id/detail_item_attachment_text"
-            app:layout_constraintBottom_toTopOf="@id/detail_item_padding_bottom"/>
+            app:layout_constraintTop_toBottomOf="@id/detail_item_attachment_image"
+            app:layout_constraintBottom_toTopOf="@id/detail_item_attachment_box"
+            app:layout_constraintHorizontal_bias="0.0" android:layout_marginTop="2dp"
+            android:layout_marginBottom="3dp"/>
+    <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" app:layout_constraintTop_toBottomOf="@id/detail_item_tags_text"
+            android:id="@+id/detail_item_attachment_box" app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent" android:layout_marginStart="10dp" android:layout_marginEnd="10dp"
+            app:layout_constraintBottom_toTopOf="@id/detail_item_padding_bottom"
+            android:visibility="visible" android:layout_marginTop="2dp"
+            android:background="?android:attr/selectableItemBackground"
+            android:clickable="true" android:focusable="true" android:padding="4dp" android:paddingStart="0dp">
+        <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" app:srcCompat="@drawable/ic_cancel_gray_24dp"
+                android:id="@+id/detail_item_attachment_icon" app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintEnd_toStartOf="@+id/detail_item_attachment_info" android:layout_marginEnd="3dp"
+                app:layout_constraintBottom_toBottomOf="parent"
+        />
+        <TextView
+                android:text="attachment.jpg\n58 MB, not downloaded, expires 1/2/2022 10:30 PM"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:id="@+id/detail_item_attachment_info"
+                android:textColor="@color/primaryTextColor"
+                android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                app:layout_constraintStart_toEndOf="@+id/detail_item_attachment_icon"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="@+id/detail_item_attachment_icon"
+                app:layout_constraintBottom_toBottomOf="@+id/detail_item_attachment_icon"/>
+    </androidx.constraintlayout.widget.ConstraintLayout>
     <TextView
             android:layout_width="match_parent"
-            android:layout_height="10dp" android:id="@+id/detail_item_padding_bottom"
+            android:layout_height="5dp" android:id="@+id/detail_item_padding_bottom"
             app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintEnd_toStartOf="@+id/detail_item_tags_text"
-            app:layout_constraintTop_toBottomOf="@id/detail_item_tags_text"/>
+            app:layout_constraintTop_toBottomOf="@id/detail_item_attachment_box"/>
 </androidx.constraintlayout.widget.ConstraintLayout>
 

app/src/main/res/values/strings.xml

@@ -114,6 +114,8 @@
     <string name="detail_item_menu_download">Download file</string>
     <string name="detail_item_menu_copy_url">Copy URL</string>
     <string name="detail_item_menu_copy_url_copied">Copied URL to clipboard</string>
+    <string name="detail_item_cannot_download">Cannot open or download attachment. Link expired and no local file found.</string>
+    <string name="detail_item_cannot_open">Cannot open attachment: File may have been deleted, or there is no app to open the file.</string>
 
     <!-- Detail activity: Action bar -->
     <string name="detail_menu_notifications_enabled">Notifications enabled</string>

app/src/play/java/io/heckel/ntfy/firebase/FirebaseService.kt

@@ -59,7 +59,7 @@ class FirebaseService : FirebaseMessagingService() {
         val priority = data["priority"]?.toIntOrNull()
         val tags = data["tags"]
         val click = data["click"]
-        val attachmentName = data["attachment_name"]
+        val attachmentName = data["attachment_name"] ?: "attachment.bin"
         val attachmentType = data["attachment_type"]
         val attachmentSize = data["attachment_size"]?.toLongOrNull()
         val attachmentExpires = data["attachment_expires"]?.toLongOrNull()

assets/audio_file_black_24dp.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 24 24" height="24px" viewBox="0 0 24 24" width="24px" fill="#000000"><g><rect fill="none" height="24" width="24"/></g><g><path d="M14,2H6C4.9,2,4,2.9,4,4v16c0,1.1,0.9,2,2,2h12c1.1,0,2-0.9,2-2V8L14,2z M6,20V4h7v5h5v11H6z M16,11h-4v3.88 c-0.36-0.24-0.79-0.38-1.25-0.38c-1.24,0-2.25,1.01-2.25,2.25c0,1.24,1.01,2.25,2.25,2.25S13,17.99,13,16.75V13h3V11z"/></g></svg>

assets/description_black_24dp.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 0 24 24" width="24px" fill="#000000"><path d="M0 0h24v24H0V0z" fill="none"/><path d="M8 16h8v2H8zm0-4h8v2H8zm6-10H6c-1.1 0-2 .9-2 2v16c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6zm4 18H6V4h7v5h5v11z"/></svg>

assets/image_black_24dp.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 0 24 24" width="24px" fill="#000000"><path d="M0 0h24v24H0V0z" fill="none"/><path d="M19 5v14H5V5h14m0-2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-4.86 8.86l-3 3.87L9 13.14 6 17h12l-3.86-5.14z"/></svg>

assets/video_file_black_24dp.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 24 24" height="24px" viewBox="0 0 24 24" width="24px" fill="#000000"><g><rect fill="none" height="24" width="24"/></g><g><path d="M14,2H6C4.9,2,4,2.9,4,4v16c0,1.1,0.9,2,2,2h12c1.1,0,2-0.9,2-2V8L14,2z M6,20V4h7v5h5v11H6z M14,14l2-1.06v4.12L14,16v1 c0,0.55-0.45,1-1,1H9c-0.55,0-1-0.45-1-1v-4c0-0.55,0.45-1,1-1h4c0.55,0,1,0.45,1,1V14z"/></g></svg>