Updated libs

build.gradle

@@ -10,8 +10,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.3'
-        classpath 'com.novoda:bintray-release:0.8.0'
+        classpath 'com.android.tools.build:gradle:4.1.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

chatkit/build.gradle

@@ -1,9 +1,8 @@
 apply plugin: 'com.android.library'
-apply plugin: 'com.novoda.bintray-release'
+
 
 android {
-    compileSdkVersion 27
-    buildToolsVersion "27.0.3"
+    compileSdkVersion 30
 
     defaultConfig {
         minSdkVersion 14
@@ -18,16 +17,6 @@ android {
     }
 }
 
-publish {
-    groupId = 'com.github.stfalcon'
-    artifactId = 'chatkit'
-    publishVersion = '0.3.3'
-    desc = 'ChatKit - is a library designed to simplify the development of UI for such a trivial task as chat. It have flexible possibilities for styling, customizing and data management'
-    licences = ['Apache-2.0']
-    uploadName = 'ChatKit'
-    website = 'https://github.com/stfalcon-studio/ChatKit.git'
-}
-
 ext {
     supportVersion = '27.1.1'
     flexboxVersion = '1.0.0'
@@ -36,7 +25,7 @@ ext {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
 
-    implementation "com.android.support:appcompat-v7:$supportVersion"
-    implementation "com.android.support:design:$supportVersion"
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.0.0'
     implementation "com.google.android:flexbox:$flexboxVersion"
 }

chatkit/src/main/java/com/stfalcon/chatkit/commons/ImageLoader.java

@@ -16,7 +16,7 @@
 
 package com.stfalcon.chatkit.commons;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.widget.ImageView;
 
 /**

chatkit/src/main/java/com/stfalcon/chatkit/commons/Style.java

@@ -20,11 +20,11 @@
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.drawable.Drawable;
-import android.support.annotation.AttrRes;
-import android.support.annotation.ColorRes;
-import android.support.annotation.DimenRes;
-import android.support.annotation.DrawableRes;
-import android.support.v4.content.ContextCompat;
+import androidx.annotation.AttrRes;
+import androidx.annotation.ColorRes;
+import androidx.annotation.DimenRes;
+import androidx.annotation.DrawableRes;
+import androidx.core.content.ContextCompat;
 import android.util.AttributeSet;
 import android.util.TypedValue;
 

chatkit/src/main/java/com/stfalcon/chatkit/commons/ViewHolder.java

@@ -16,7 +16,7 @@
 
 package com.stfalcon.chatkit.commons;
 
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.View;
 
 /**

chatkit/src/main/java/com/stfalcon/chatkit/commons/models/IMessage.java

@@ -50,4 +50,5 @@ public interface IMessage {
      * @return the message creation date
      */
     Date getCreatedAt();
+
 }

chatkit/src/main/java/com/stfalcon/chatkit/commons/models/MessageContentType.java

@@ -16,7 +16,7 @@
 
 package com.stfalcon.chatkit.commons.models;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import com.stfalcon.chatkit.messages.MessageHolders;
 
 /*

chatkit/src/main/java/com/stfalcon/chatkit/dialogs/DialogsList.java

@@ -17,11 +17,11 @@
 package com.stfalcon.chatkit.dialogs;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
-import android.support.v7.widget.DefaultItemAnimator;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.SimpleItemAnimator;
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.DefaultItemAnimator;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.SimpleItemAnimator;
 import android.util.AttributeSet;
 
 import com.stfalcon.chatkit.commons.models.IDialog;

chatkit/src/main/java/com/stfalcon/chatkit/dialogs/DialogsListAdapter.java

@@ -18,9 +18,9 @@
 
 import android.graphics.Typeface;
 import android.graphics.drawable.GradientDrawable;
-import android.support.annotation.LayoutRes;
-import android.support.annotation.Nullable;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.LayoutRes;
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.TypedValue;
 import android.view.LayoutInflater;
 import android.view.View;

chatkit/src/main/java/com/stfalcon/chatkit/messages/MessageHolders.java

@@ -1,8 +1,9 @@
 package com.stfalcon.chatkit.messages;
 
-import android.support.annotation.LayoutRes;
-import android.support.annotation.NonNull;
-import android.support.v4.view.ViewCompat;
+import androidx.annotation.LayoutRes;
+import androidx.annotation.NonNull;
+import androidx.core.view.ViewCompat;
+
 import android.text.Spannable;
 import android.text.method.LinkMovementMethod;
 import android.util.SparseArray;
@@ -564,6 +565,7 @@ protected ViewHolder getHolder(ViewGroup parent, int viewType, MessagesListStyle
 
     @SuppressWarnings("unchecked")
     protected void bind(final ViewHolder holder, final Object item, boolean isSelected,
+                        boolean isContinuous, boolean isLastItemInGroup,
                         final ImageLoader imageLoader,
                         final View.OnClickListener onMessageClickListener,
                         final View.OnLongClickListener onMessageLongClickListener,
@@ -573,6 +575,8 @@ protected void bind(final ViewHolder holder, final Object item, boolean isSelect
         if (item instanceof IMessage) {
             ((MessageHolders.BaseMessageViewHolder) holder).isSelected = isSelected;
             ((MessageHolders.BaseMessageViewHolder) holder).imageLoader = imageLoader;
+            ((BaseMessageViewHolder) holder).isFirstItemInGroup = isContinuous;
+            ((BaseMessageViewHolder) holder).isLastItemInGroup = isLastItemInGroup;
             holder.itemView.setOnLongClickListener(onMessageLongClickListener);
             holder.itemView.setOnClickListener(onMessageClickListener);
 
@@ -676,6 +680,9 @@ public static abstract class BaseMessageViewHolder<MESSAGE extends IMessage> ext
 
         boolean isSelected;
 
+        boolean isFirstItemInGroup;
+
+        boolean isLastItemInGroup;
         /**
          * For setting custom data to ViewHolder
          */
@@ -705,6 +712,31 @@ public boolean isSelected() {
             return isSelected;
         }
 
+        /**
+         * Returns whether item belongs to the same user
+         *
+         * @return weather item belongs to the same user.
+         */
+        public boolean isFirstItemInGroup() {
+            return isFirstItemInGroup;
+        }
+
+        /**
+         * Returns whether the current item and the next belongs to the same user
+         */
+        public boolean isLastItemInGroup() {
+            return isLastItemInGroup;
+        }
+
+        public List<View> getVisibleViewsForFirstItemInGroup() {
+            return new ArrayList<>();
+        }
+
+        public List<View> getVisibleViewsForLastItemInGroup() {
+            return new ArrayList<>();
+        }
+
+
         /**
          * Returns weather is selection mode enabled
          *
@@ -769,6 +801,26 @@ public void onBind(MESSAGE message) {
             if (text != null) {
                 text.setText(message.getText());
             }
+
+            if (isLastItemInGroup()) {
+                for (View continousView : getVisibleViewsForLastItemInGroup()) {
+                    continousView.setVisibility(View.VISIBLE);
+                }
+            } else {
+                for (View continousView : getVisibleViewsForLastItemInGroup()) {
+                    continousView.setVisibility(View.GONE);
+                }
+            }
+
+            if (isFirstItemInGroup()) {
+                for (View continousView : getVisibleViewsForFirstItemInGroup()) {
+                    continousView.setVisibility(View.VISIBLE);
+                }
+            } else {
+                for (View continousView : getVisibleViewsForFirstItemInGroup()) {
+                    continousView.setVisibility(View.INVISIBLE);
+                }
+            }
         }
 
         @Override
@@ -828,6 +880,26 @@ public void onBind(MESSAGE message) {
             if (text != null) {
                 text.setText(message.getText());
             }
+
+            if (isLastItemInGroup()) {
+                for (View continousView : getVisibleViewsForLastItemInGroup()) {
+                    continousView.setVisibility(View.VISIBLE);
+                }
+            } else {
+                for (View continousView : getVisibleViewsForLastItemInGroup()) {
+                    continousView.setVisibility(View.GONE);
+                }
+            }
+
+            if (isFirstItemInGroup()) {
+                for (View continousView : getVisibleViewsForFirstItemInGroup()) {
+                    continousView.setVisibility(View.VISIBLE);
+                }
+            } else {
+                for (View continousView : getVisibleViewsForFirstItemInGroup()) {
+                    continousView.setVisibility(View.INVISIBLE);
+                }
+            }
         }
 
         @Override

chatkit/src/main/java/com/stfalcon/chatkit/messages/MessageInput.java

@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.graphics.drawable.Drawable;
 import android.os.Build;
-import android.support.v4.view.ViewCompat;
-import android.support.v4.widget.Space;
+import androidx.core.view.ViewCompat;
+import androidx.legacy.widget.Space;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.util.AttributeSet;

chatkit/src/main/java/com/stfalcon/chatkit/messages/MessageInputStyle.java

@@ -20,9 +20,9 @@
 import android.content.res.ColorStateList;
 import android.content.res.TypedArray;
 import android.graphics.drawable.Drawable;
-import android.support.annotation.ColorInt;
-import android.support.annotation.DrawableRes;
-import android.support.v4.graphics.drawable.DrawableCompat;
+import androidx.annotation.ColorInt;
+import androidx.annotation.DrawableRes;
+import androidx.core.graphics.drawable.DrawableCompat;
 import android.util.AttributeSet;
 
 import com.stfalcon.chatkit.R;

chatkit/src/main/java/com/stfalcon/chatkit/messages/MessagesList.java

@@ -17,11 +17,13 @@
 package com.stfalcon.chatkit.messages;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
-import android.support.v7.widget.DefaultItemAnimator;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.SimpleItemAnimator;
+
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.DefaultItemAnimator;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.SimpleItemAnimator;
+
 import android.util.AttributeSet;
 
 import com.stfalcon.chatkit.commons.models.IMessage;
@@ -75,13 +77,8 @@ void setAdapter(MessagesListAdapter<MESSAGE> adapter) {
      */
     public <MESSAGE extends IMessage>
     void setAdapter(MessagesListAdapter<MESSAGE> adapter, boolean reverseLayout) {
-        SimpleItemAnimator itemAnimator = new DefaultItemAnimator();
-        itemAnimator.setSupportsChangeAnimations(false);
-
         LinearLayoutManager layoutManager = new LinearLayoutManager(getContext(),
                 LinearLayoutManager.VERTICAL, reverseLayout);
-
-        setItemAnimator(itemAnimator);
         setLayoutManager(layoutManager);
         adapter.setLayoutManager(layoutManager);
         adapter.setStyle(messagesListStyle);