<?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" tools:context=".SettingsActivity"> <TextView android:id="@+id/textEnd" android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center_vertical|center_horizontal" android:text="End Time" android:textSize="50sp" app:layout_constraintBottom_toTopOf="@+id/endPicker" app:layout_constraintTop_toTopOf="parent" tools:layout_editor_absoluteX="0dp" /> <TimePicker android:id="@+id/endPicker" android:layout_width="match_parent" android:layout_height="wrap_content" android:timePickerMode="clock" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintTop_toTopOf="parent" /> <Button android:id="@+id/resetButton" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Reset" android:textSize="30sp" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintTop_toBottomOf="@+id/endPicker" /> <Button android:id="@+id/startButton" android:layout_width="match_parent" android:layout_height="100dp" android:text="Start" android:textSize="40sp" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintTop_toBottomOf="@+id/resetButton" tools:layout_editor_absoluteX="0dp" /> </androidx.constraintlayout.widget.ConstraintLayout>