ThreeGames/app/src/main/res/layout/activity_game_one.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:id="@+id/root"
    tools:context=".activity.GameActivity">
    <TextView
        android:id="@+id/pre_game_hint"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        android:background="@drawable/border"
        android:textSize="25sp"
        android:textStyle="bold"
        android:padding="10dp" />

    <TextView
        android:id="@+id/number"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="150sp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent" />

    <TextView
        android:id="@+id/game_hint"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        android:textSize="25sp"
        android:textStyle="bold"
        android:gravity="center"
        app:layout_constraintBottom_toBottomOf="parent"/>

    <View
        android:id="@+id/click_area"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"/>

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/form"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent">
        <TextView
            android:id="@+id/view_form_title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            android:layout_marginTop="100dp"
            android:textSize="18sp"
            android:textColor="#000"
            android:textStyle="bold"
            android:text="測試結束，請填寫以下反饋"/>

        <TextView
            android:id="@+id/view_form_question_one"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:textSize="20sp"
            android:textColor="#CC000000"
            android:textStyle="bold"
            android:text="你覺得你答對了百分之多少?"
            app:layout_constraintStart_toStartOf="parent"
            android:layout_marginStart="10dp"
            app:layout_constraintEnd_toStartOf="@id/right"
            android:layout_marginEnd="10dp"
            app:layout_constraintTop_toTopOf="@id/right"
            app:layout_constraintBottom_toBottomOf="@id/right" />

        <TextView
            android:id="@+id/view_form_question_two"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:textSize="20sp"
            android:textColor="#CC000000"
            android:textStyle="bold"
            android:text="你對以上的判斷有百分之幾的把握?"
            app:layout_constraintStart_toStartOf="parent"
            android:layout_marginStart="10dp"
            app:layout_constraintEnd_toStartOf="@id/right"
            android:layout_marginEnd="10dp"
            app:layout_constraintTop_toTopOf="@id/grasp"
            app:layout_constraintBottom_toBottomOf="@id/grasp" />

        <it.sephiroth.android.library.numberpicker.NumberPicker
            style="@style/NumberPicker.EditTextStyle"
            app:layout_constraintEnd_toEndOf="parent"
            android:layout_marginEnd="10dp"
            android:layout_marginTop="40dp"
            app:layout_constraintTop_toBottomOf="@+id/view_form_title"
            app:picker_max="100"
            app:picker_min="0"
            android:progress="100"
            app:picker_stepSize="1"
            app:picker_tracker="exponential"
            app:picker_orientation="vertical"
            android:id="@+id/right"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />

        <it.sephiroth.android.library.numberpicker.NumberPicker
            style="@style/NumberPicker.EditTextStyle"
            app:layout_constraintEnd_toEndOf="parent"
            android:layout_marginEnd="10dp"
            android:layout_marginTop="40dp"
            app:layout_constraintTop_toBottomOf="@+id/right"
            app:picker_max="100"
            app:picker_min="0"
            android:progress="100"
            app:picker_stepSize="1"
            app:picker_tracker="exponential"
            app:picker_orientation="vertical"
            android:id="@+id/grasp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />

        <Button
            android:id="@+id/sure"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="確定"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            android:layout_marginTop="20dp"
            app:layout_constraintTop_toBottomOf="@+id/view_form_question_two"
            android:background="@android:color/holo_green_light"/>

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>