<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/main"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".views.ChatActivity"
android:background="#E0F7FA">
<EditText
android:id="@+id/receiver_message"
android:layout_width="350dp"
android:layout_height="200dp"
android:ems="10"
android:hint=" |"
android:inputType="text"
android:background="#32FF2F"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.13" />
<EditText
android:id="@+id/sender_message"
android:layout_width="350dp"
android:layout_height="200dp"
android:ems="10"
android:hint=" |"
android:inputType="text"
android:background="#B57EDC"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.55" />
<Button
android:id="@+id/buttonSend"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="送信"
app:layout_constraintTop_toBottomOf="@id/sender_message"
app:layout_constraintEnd_toEndOf="parent"
android:layout_marginTop="16dp" />
<ImageButton
android:id="@+id/phone_imageButton"
android:layout_width="50dp"
android:layout_height="50dp"
android:background="#E0F7FA"
android:scaleType="fitCenter"
app:srcCompat="@drawable/phone"
tools:layout_editor_absoluteX="5dp"
tools:layout_editor_absoluteY="5dp" />
</androidx.constraintlayout.widget.ConstraintLayout>