About Dev

<?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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/about_dev_bg"
    tools:context=".about_dev">

    <ImageButton
        android:id="@+id/gmailBtn"
        android:layout_width="150dp"
        android:layout_height="60dp"
        android:layout_marginEnd="32dp"
        android:adjustViewBounds="true"
        android:background="#00FFFFFF"
        android:scaleType="fitCenter"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/codeforcesBtn"
        app:layout_constraintVertical_bias="0.277"
        app:srcCompat="@drawable/gmail" />

    <ImageView
        android:id="@+id/dev"
        android:layout_width="244dp"
        android:layout_height="209dp"
        android:layout_alignParentStart="true"
        android:layout_alignParentTop="true"
        android:layout_alignParentEnd="true"
        android:layout_alignParentBottom="true"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.497"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.03"
        app:srcCompat="@drawable/dev" />

    <TextView
        android:id="@+id/name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="28dp"
        android:text="Waliul Islam Sumon"
        android:textColor="#FFFFFF"
        android:textSize="30sp"
        app:layout_constraintEnd_toEndOf="@+id/dev"
        app:layout_constraintHorizontal_bias="0.476"
        app:layout_constraintStart_toStartOf="@+id/dev"
        app:layout_constraintTop_toBottomOf="@+id/dev" />

    <TextView
        android:id="@+id/dept_varsity"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:fontFamily="@font/fugaz_one"
        android:text="CSE, KUET"
        android:textColor="#FFFFFF"
        android:textSize="30sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="@+id/name"
        app:layout_constraintHorizontal_bias="0.49"
        app:layout_constraintStart_toStartOf="@+id/name"
        app:layout_constraintTop_toBottomOf="@+id/name"
        app:layout_constraintVertical_bias="0.0" />

    <ImageButton
        android:id="@+id/facebookBtn"
        android:layout_width="150dp"
        android:layout_height="60dp"
        android:layout_marginTop="100dp"
        android:adjustViewBounds="true"
        android:background="#001A2D9A"
        android:scaleType="fitCenter"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@+id/codeforcesBtn"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/dept_varsity"
        app:layout_constraintVertical_bias="0.0"
        app:srcCompat="@drawable/facebook" />

    <ImageButton
        android:id="@+id/codeforcesBtn"
        android:layout_width="151dp"
        android:layout_height="60dp"
        android:layout_marginTop="100dp"
        android:layout_marginEnd="32dp"
        android:adjustViewBounds="true"
        android:background="#00FFFFFF"
        android:scaleType="fitCenter"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/dept_varsity"
        app:srcCompat="@drawable/codeforces" />

    <ImageButton
        android:id="@+id/githubBtn"
        android:layout_width="149dp"
        android:layout_height="62dp"
        android:adjustViewBounds="true"
        android:background="#00FFFFFF"
        android:scaleType="fitCenter"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@+id/gmailBtn"
        app:layout_constraintHorizontal_bias="0.486"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/facebookBtn"
        app:layout_constraintVertical_bias="0.269"
        app:srcCompat="@drawable/github" />

</androidx.constraintlayout.widget.ConstraintLayout>