constraint layout android example

activity_main.xml

<?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="#F0F4F8">

    <ImageView
        android:id="@+id/logo"
        android:layout_width="80dp"
        android:layout_height="80dp"
        android:layout_marginTop="64dp"
        android:src="@android:drawable/ic_menu_gallery"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:tint="#4CAF50"
        tools:src="@android:drawable/ic_menu_gallery" />

    <TextView
        android:id="@+id/title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="24dp"
        android:fontFamily="sans-serif-medium"
        android:text="Ласкаво просимо!"
        android:textColor="#1A1A1A"
        android:textSize="28sp"
        android:textStyle="bold"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/logo" />

    <TextView
        android:id="@+id/subtitle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="8dp"
        android:fontFamily="sans-serif"
        android:text="Увійдіть у свій акаунт"
        android:textColor="#757575"
        android:textSize="16sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/title" />

    <com.google.android.material.textfield.TextInputLayout
        android:id="@+id/email_layout"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="32dp"
        android:layout_marginTop="48dp"
        android:layout_marginEnd="32dp"
        app:boxBackgroundMode="filled"
        app:boxCornerRadiusBottomEnd="8dp"
        app:boxCornerRadiusBottomStart="8dp"
        app:boxCornerRadiusTopEnd="8dp"
        app:boxCornerRadiusTopStart="8dp"
        app:boxStrokeColor="#E0E0E0"
        app:hintTextColor="#BDBDBE"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/subtitle"
        tools:text="[email protected]">

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/edit_email"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="Email"
            android:inputType="textEmailAddress"
            android:paddingStart="16dp"
            android:paddingTop="12dp"
            android:paddingEnd="16dp"
            android:paddingBottom="12dp"
            android:textColor="#212121"
            android:textSize="16sp" />

    </com.google.android.material.textfield.TextInputLayout>

    <com.google.android.material.textfield.TextInputLayout
        android:id="@+id/password_layout"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="32dp"
        android:layout_marginTop="16dp"
        android:layout_marginEnd="32dp"
        app:boxBackgroundMode="filled"
        app:boxCornerRadiusBottomEnd="8dp"
        app:boxCornerRadiusBottomStart="8dp"
        app:boxCornerRadiusTopEnd="8dp"
        app:boxCornerRadiusTopStart="8dp"
        app:boxStrokeColor="#E0E0E0"
        app:endIconMode="password_toggle"
        app:hintTextColor="#BDBDBE"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/email_layout"
        tools:text="password">

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/edit_password"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="Пароль"
            android:inputType="textPassword"
            android:paddingStart="16dp"
            android:paddingTop="12dp"
            android:paddingEnd="16dp"
            android:paddingBottom="12dp"
            android:textColor="#212121"
            android:textSize="16sp" />

    </com.google.android.material.textfield.TextInputLayout>

    <Button
        android:id="@+id/btn_login"
        android:layout_width="0dp"
        android:layout_height="56dp"
        android:layout_marginStart="32dp"
        android:layout_marginTop="32dp"
        android:layout_marginEnd="32dp"
        android:backgroundTint="#4CAF50"
        android:elevation="4dp"
        android:text="Увійти"
        android:textColor="#FFFFFF"
        android:textSize="16sp"
        android:textStyle="bold"
        app:cornerRadius="28dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/password_layout" />

    <TextView
        android:id="@+id/forgot_password"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:background="?android:attr/selectableItemBackground"
        android:clickable="true"
        android:focusable="true"
        android:text="Забули пароль?"
        android:textColor="#2196F3"
        android:textSize="14sp"
        android:textStyle="bold"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/btn_login" />

    <TextView
        android:id="@+id/signup_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="32dp"
        android:fontFamily="sans-serif-medium"
        android:text="Немає акаунту? Зареєструйтеся"
        android:textColor="#757575"
        android:textSize="14sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>