add handling for multiple attachments in one mms

app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ThreadAdapter.kt

@@ -30,6 +30,7 @@ import com.simplemobiletools.smsmessenger.models.Message
 import com.simplemobiletools.smsmessenger.models.ThreadDateTime
 import com.simplemobiletools.smsmessenger.models.ThreadError
 import com.simplemobiletools.smsmessenger.models.ThreadItem
+import kotlinx.android.synthetic.main.item_attachment_image.view.*
 import kotlinx.android.synthetic.main.item_received_message.view.*
 import kotlinx.android.synthetic.main.item_thread_date_time.view.*
 
@@ -187,8 +188,13 @@ class ThreadAdapter(
                 thread_message_body.setTextColor(background.getContrastColor())
             }
 
+            thread_mesage_attachments_holder.removeAllViews()
             if (message.attachment?.attachments?.isNotEmpty() == true) {
-                val attachment = message.attachment.attachments.first()
+                message.attachment.attachments.forEach {
+                    val attachment = it
+                    val imageView = layoutInflater.inflate(R.layout.item_attachment_image, null)
+                    thread_mesage_attachments_holder.addView(imageView)
+
                     val type = attachment.type
                     if (type.startsWith("image/") || type.startsWith("video/")) {
                         val uri = attachment.uri
@@ -203,15 +209,17 @@ class ThreadAdapter(
                             .listener(object : RequestListener<Drawable> {
                                 override fun onLoadFailed(e: GlideException?, model: Any?, target: Target<Drawable>?, isFirstResource: Boolean): Boolean {
                                     thread_message_play_outline.beGone()
+                                    thread_mesage_attachments_holder.removeView(imageView)
                                     return false
                                 }
 
-                            override fun onResourceReady(dr: Drawable?, a: Any?, t: Target<Drawable>?, d: DataSource?, i: Boolean) = false
+                                override fun onResourceReady(dr: Drawable?, a: Any?, t: Target<Drawable>?, d: DataSource?, i: Boolean) =
+                                    false
 
                             })
-                        .into(thread_message_image)
+                            .into(imageView.attachment_image)
 
-                    thread_message_image.setOnClickListener {
+                        attachment_image.setOnClickListener {
                             Intent().apply {
                                 action = Intent.ACTION_VIEW
                                 setDataAndType(uri, type)
@@ -225,6 +233,7 @@ class ThreadAdapter(
                 }
             }
         }
+    }
 
     private fun setupDateTime(view: View, dateTime: ThreadDateTime) {
         view.apply {

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

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ImageView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/attachment_image"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:adjustViewBounds="true"
+    android:paddingBottom="@dimen/medium_margin" />

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

@@ -26,13 +26,11 @@
             android:layout_marginEnd="@dimen/medium_margin"
             android:visibility="gone" />
 
-        <ImageView
+        <LinearLayout
-            android:id="@+id/thread_message_image"
+            android:id="@+id/thread_mesage_attachments_holder"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginBottom="@dimen/medium_margin"
+            android:orientation="vertical" />
-            android:layout_toEndOf="@+id/thread_message_photo"
-            android:adjustViewBounds="true" />
 
         <ImageView
             android:id="@+id/thread_message_play_outline"

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

@@ -17,19 +17,18 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintWidth_percent="0.7">
 
-        <ImageView
+        <LinearLayout
-            android:id="@+id/thread_message_image"
+            android:id="@+id/thread_mesage_attachments_holder"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginBottom="@dimen/medium_margin"
+            android:orientation="vertical" />
-            android:adjustViewBounds="true" />
 
         <ImageView
             android:id="@+id/thread_message_play_outline"
             android:layout_width="@dimen/play_outline_size"
             android:layout_height="@dimen/play_outline_size"
-            android:layout_alignEnd="@+id/thread_message_image"
+            android:layout_alignEnd="@+id/thread_mesage_attachments_holder"
-            android:layout_alignBottom="@+id/thread_message_image"
+            android:layout_alignBottom="@+id/thread_mesage_attachments_holder"
             android:layout_margin="@dimen/medium_margin"
             android:src="@drawable/ic_play_outline"
             android:visibility="gone" />
@@ -38,7 +37,7 @@
             android:id="@+id/thread_message_body"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_below="@+id/thread_message_image"
+            android:layout_below="@+id/thread_mesage_attachments_holder"
             android:layout_alignParentEnd="true"
             android:background="@drawable/item_sent_background"
             android:padding="@dimen/normal_margin"