fix #35, show a tick at successfully sent last messages

app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/ThreadActivity.kt

@@ -439,7 +439,8 @@ class ThreadActivity : SimpleActivity() {
 
         var prevDateTime = 0
         var hadUnreadItems = false
-        for (i in 0 until messages.size) {
+        val cnt = messages.size
+        for (i in 0 until cnt) {
             val message = messages[i]
             // do not show the date/time above every message, only if the difference between the 2 messages is at least MIN_DATE_TIME_DIFF_SECS
             if (message.date - prevDateTime > MIN_DATE_TIME_DIFF_SECS) {
@@ -458,6 +459,10 @@ class ThreadActivity : SimpleActivity() {
                 markMessageRead(message.id, message.isMMS)
                 conversationsDB.markRead(threadId.toLong())
             }
+
+            if (i == cnt - 1 && message.type == Telephony.Sms.MESSAGE_TYPE_SENT) {
+                items.add(ThreadSuccess(message.id))
+            }
         }
 
         if (hadUnreadItems) {

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

@@ -31,15 +31,13 @@ import com.simplemobiletools.smsmessenger.R
 import com.simplemobiletools.smsmessenger.activities.SimpleActivity
 import com.simplemobiletools.smsmessenger.extensions.deleteMessage
 import com.simplemobiletools.smsmessenger.helpers.*
-import com.simplemobiletools.smsmessenger.models.Message
+import com.simplemobiletools.smsmessenger.models.*
-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_received_unknown_attachment.view.*
 import kotlinx.android.synthetic.main.item_sent_unknown_attachment.view.*
 import kotlinx.android.synthetic.main.item_thread_date_time.view.*
+import kotlinx.android.synthetic.main.item_thread_success.view.*
 
 class ThreadAdapter(activity: SimpleActivity, var messages: ArrayList<ThreadItem>, recyclerView: MyRecyclerView, fastScroller: FastScroller,
                     itemClick: (Any) -> Unit) : MyRecyclerViewAdapter(activity, recyclerView, fastScroller, itemClick) {
@@ -93,6 +91,7 @@ class ThreadAdapter(activity: SimpleActivity, var messages: ArrayList<ThreadItem
             THREAD_DATE_TIME -> R.layout.item_thread_date_time
             THREAD_RECEIVED_MESSAGE -> R.layout.item_received_message
             THREAD_SENT_MESSAGE_ERROR -> R.layout.item_thread_error
+            THREAD_SENT_MESSAGE_SUCCESS -> R.layout.item_thread_success
             else -> R.layout.item_sent_message
         }
         return createViewHolder(layout, parent)
@@ -101,10 +100,10 @@ class ThreadAdapter(activity: SimpleActivity, var messages: ArrayList<ThreadItem
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
         val item = messages[position]
         holder.bindView(item, true, item is Message) { itemView, layoutPosition ->
-            if (item is ThreadDateTime) {
+            when (item) {
-                setupDateTime(itemView, item)
+                is ThreadDateTime -> setupDateTime(itemView, item)
-            } else if (item !is ThreadError) {
+                is ThreadSuccess -> setupThreadSuccess(itemView)
-                setupView(itemView, item as Message)
+                !is ThreadError -> setupView(itemView, item as Message)
             }
         }
         bindViewHolder(holder)
@@ -118,6 +117,7 @@ class ThreadAdapter(activity: SimpleActivity, var messages: ArrayList<ThreadItem
             item is ThreadDateTime -> THREAD_DATE_TIME
             (messages[position] as? Message)?.isReceivedMessage() == true -> THREAD_RECEIVED_MESSAGE
             item is ThreadError -> THREAD_SENT_MESSAGE_ERROR
+            item is ThreadSuccess -> THREAD_SENT_MESSAGE_SUCCESS
             else -> THREAD_SENT_MESSAGE
         }
     }
@@ -309,4 +309,8 @@ class ThreadAdapter(activity: SimpleActivity, var messages: ArrayList<ThreadItem
             }
         }
     }
+
+    private fun setupThreadSuccess(view: View) {
+        view.thread_success.applyColorFilter(textColor)
+    }
 }

app/src/main/kotlin/com/simplemobiletools/smsmessenger/helpers/Constants.kt

@@ -21,6 +21,7 @@ const val THREAD_DATE_TIME = 1
 const val THREAD_RECEIVED_MESSAGE = 2
 const val THREAD_SENT_MESSAGE = 3
 const val THREAD_SENT_MESSAGE_ERROR = 4
+const val THREAD_SENT_MESSAGE_SUCCESS = 5
 
 fun refreshMessages() {
     EventBus.getDefault().post(Events.RefreshMessages())

app/src/main/kotlin/com/simplemobiletools/smsmessenger/models/ThreadSuccess.kt

@@ -0,0 +1,4 @@
+package com.simplemobiletools.smsmessenger.models
+
+// show a check after the latest message, if it is a sent one and succeeded
+data class ThreadSuccess(val messageID: Int) : ThreadItem()

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

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/thread_date_time"
+    android:id="@+id/thread_error"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:gravity="end"

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

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:gravity="end"
+    android:paddingEnd="@dimen/activity_margin">
+
+    <ImageView
+        android:id="@+id/thread_success"
+        android:layout_width="@dimen/activity_margin"
+        android:layout_height="@dimen/activity_margin"
+        android:src="@drawable/ic_check_vector" />
+
+</RelativeLayout>