make checkmark icon more material

src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java

@@ -208,6 +208,8 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
 				break;
 			case Message.STATUS_SEND_RECEIVED:
 			case Message.STATUS_SEND_DISPLAYED:
+				viewHolder.indicatorReceived.setImageResource(darkBackground ? R.drawable.ic_done_white_18dp : R.drawable.ic_done_black_18dp);
+				viewHolder.indicatorReceived.setAlpha(darkBackground ? 0.7f : 0.57f);
 				viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
 				break;
 			case Message.STATUS_SEND_FAILED:

src/main/res/layout/message_sent.xml

@@ -1,49 +1,48 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-                xmlns:app="http://schemas.android.com/apk/res-auto"
-                android:layout_width="fill_parent"
-                android:layout_height="wrap_content"
-                android:orientation="vertical"
-                android:paddingBottom="3dp"
-                android:paddingLeft="8dp"
-                android:paddingRight="8dp"
-                android:paddingTop="3dp">
-
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:paddingLeft="8dp"
+    android:paddingTop="3dp"
+    android:paddingRight="8dp"
+    android:paddingBottom="3dp">
 
 
     <LinearLayout
         android:id="@+id/message_photo_box"
-        android:orientation="vertical"
-        android:layout_alignParentEnd="true"
-        android:layout_alignParentBottom="true"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_alignParentRight="true">
+        android:layout_alignParentEnd="true"
+        android:layout_alignParentRight="true"
+        android:layout_alignParentBottom="true"
+        android:orientation="vertical">
+
         <com.makeramen.roundedimageview.RoundedImageView
             android:id="@+id/message_photo"
             android:layout_width="48dp"
             android:layout_height="48dp"
             android:scaleType="fitXY"
             app:riv_corner_radius="2dp" />
+
         <View
             android:id="@+id/placeholder"
-            android:layout_height="3dp"
             android:layout_width="48dp"
-        />
+            android:layout_height="3dp" />
     </LinearLayout>
 
 
-
     <LinearLayout
         android:id="@+id/message_box"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_alignParentBottom="true"
+        android:layout_marginLeft="-4dp"
         android:layout_toLeftOf="@+id/message_photo_box"
         android:background="?attr/message_bubble_sent"
-        android:minHeight="53dp"
-        android:layout_marginLeft="-4dp"
-        android:longClickable="true">
+        android:longClickable="true"
+        android:minHeight="53dp">
 
         <LinearLayout
             android:layout_width="wrap_content"
@@ -52,7 +51,7 @@
             android:orientation="vertical"
             android:padding="2dp">
 
-            <include layout="@layout/message_content"/>
+            <include layout="@layout/message_content" />
 
             <LinearLayout
                 android:layout_width="wrap_content"
@@ -66,16 +65,17 @@
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:layout_gravity="center_vertical"
+                    android:layout_marginEnd="4sp"
+                    android:layout_marginRight="4sp"
                     android:gravity="center_vertical"
                     android:text="@string/sending"
-                    android:textAppearance="@style/TextAppearance.Conversations.Caption"/>
+                    android:textAppearance="@style/TextAppearance.Conversations.Caption" />
 
                 <ImageView
                     android:id="@+id/security_indicator"
                     android:layout_width="?attr/TextSizeCaption"
                     android:layout_height="?attr/TextSizeCaption"
                     android:layout_gravity="center_vertical"
-                    android:layout_marginLeft="4sp"
                     android:alpha="0.54"
                     android:gravity="center_vertical"
                     android:src="@drawable/ic_lock_black_18dp" />
@@ -85,7 +85,6 @@
                     android:layout_width="?attr/TextSizeCaption"
                     android:layout_height="?attr/TextSizeCaption"
                     android:layout_gravity="center_vertical"
-                    android:layout_marginLeft="4sp"
                     android:alpha="0.54"
                     android:gravity="center_vertical"
                     android:src="@drawable/ic_mode_edit_black_18dp" />
@@ -95,10 +94,9 @@
                     android:layout_width="?attr/TextSizeCaption"
                     android:layout_height="?attr/TextSizeCaption"
                     android:layout_gravity="center_vertical"
-                    android:layout_marginLeft="4sp"
                     android:alpha="0.54"
                     android:gravity="center_vertical"
-                    android:src="@drawable/ic_received_indicator" />
+                    android:src="@drawable/ic_done_black_18dp" />
             </LinearLayout>
         </LinearLayout>
     </LinearLayout>

src/main/res/values/themes.xml

@@ -87,7 +87,6 @@
         <item type="reference" name="icon_edit">@drawable/ic_edit_white_24dp</item>
         <item type="reference" name="icon_edit_body">@drawable/ic_edit_black_24dp</item>
         <item type="reference" name="icon_save">@drawable/ic_save_black_24dp</item>
-        <item type="reference" name="icon_done">@drawable/ic_done_black_24dp</item>
         <item type="reference" name="icon_group">@drawable/ic_group_white_24dp</item>
         <item type="reference" name="icon_new">@drawable/ic_add_white_24dp</item>
         <item type="reference" name="icon_quote">@drawable/ic_reply_white_24dp</item>
@@ -202,7 +201,6 @@
         <item type="reference" name="icon_edit">@drawable/ic_edit_white_24dp</item>
         <item type="reference" name="icon_edit_body">@drawable/ic_edit_white_24dp</item>
         <item type="reference" name="icon_save">@drawable/ic_save_white_24dp</item>
-        <item type="reference" name="icon_done">@drawable/ic_done_black_24dp</item>
         <item type="reference" name="icon_group">@drawable/ic_group_white_24dp</item>
         <item type="reference" name="icon_new">@drawable/ic_add_white_24dp</item>
         <item type="reference" name="icon_quote">@drawable/ic_reply_white_24dp</item>