app/src/main/res/layout/activity_chat.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.drawerlayout.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:ads="http://schemas.android.com/apk/res-auto"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:context=".view.chat.ChatActivity"
tools:openDrawer="start">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFFFF">
<androidx.appcompat.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:minHeight="?attr/actionBarSize"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:navigationIcon="@drawable/menu" />
<RelativeLayout
android:id="@+id/rootLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:paddingBottom="8dp"
tools:context=".view.main.MainActivity">
<LinearLayout
android:id="@+id/inputLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:gravity="center_vertical"
android:orientation="horizontal">
<ImageButton
android:id="@+id/addMessageImageView"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:background="@color/white"
android:contentDescription="@string/activity_chat_addMessageImageView"
android:onClick="sendImage"
ads:srcCompat="@drawable/ic_add_black_24dp" />
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="7"
ads:hintEnabled="false">
<MultiAutoCompleteTextView
android:id="@+id/message_input_text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:fontFamily="@font/armata"
android:hint="@string/activity_chat_type_post"
android:inputType="textMultiLine"
android:padding="3dp" />
</com.google.android.material.textfield.TextInputLayout>
<ImageButton
android:id="@+id/button_send_message"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="3dp"
android:layout_weight="1.5"
android:clickable="true"
android:contentDescription="@string/activity_send_image_button"
android:focusable="true"
android:onClick="sendMessage"
android:src="@android:drawable/ic_menu_send"
android:tint="@color/accent"
ads:fabSize="mini" />
</LinearLayout>
<ProgressBar
android:id="@+id/chat_loader"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true" />
<TextView
android:id="@+id/initial_chat_welcome_message"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/chat_loader"
android:layout_alignParentStart="true"
android:layout_alignParentEnd="true"
android:layout_marginStart="70dp"
android:layout_marginEnd="70dp"
android:layout_marginBottom="10dp"
android:singleLine="false"
android:text="@string/activity_chat_initial_message"
android:textAlignment="center"
android:textSize="18sp"
android:textStyle="bold"
android:visibility="invisible" />
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/message_recycler_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@id/inputLayout"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="50dp"
android:layout_marginBottom="5dp"
android:scrollbars="none"
android:stackFromBottom="true"
android:transcriptMode="normal" />
</RelativeLayout>
</androidx.constraintlayout.widget.ConstraintLayout>
<com.google.android.material.navigation.NavigationView
android:id="@+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
app:menu="@menu/main_menu" />
</androidx.drawerlayout.widget.DrawerLayout>