EvaluationSystem/app/src/main/res/layout/activity_register.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appBarLayout"
        android:layout_width="match_parent"
        android:layout_height="240dp"
        android:fitsSystemWindows="true"
        android:theme="@style/AppTheme.AppBarOverlay">

        <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/toolbarLayout"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:fitsSystemWindows="true"
            app:contentScrim="?attr/colorPrimary"
            app:layout_scrollFlags="scroll|exitUntilCollapsed">

            <ImageView
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_margin="48dp"
                android:fitsSystemWindows="true"
                android:scaleType="fitCenter"
                android:src="@drawable/ic_launcher_white_128"
                app:layout_collapseMode="parallax" />

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                app:layout_collapseMode="pin" />

        </android.support.design.widget.CollapsingToolbarLayout>

    </android.support.design.widget.AppBarLayout>

    <android.support.v4.widget.NestedScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior">

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <android.support.v7.widget.CardView
                android:id="@+id/cardView"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_margin="24dp"
                app:cardBackgroundColor="@color/white"
                app:cardCornerRadius="5dp"
                app:cardPreventCornerOverlap="true"
                app:cardUseCompatPadding="true">

                <RelativeLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:padding="24dp">

                    <android.support.design.widget.TextInputLayout
                        android:id="@+id/usernameLayout"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content">

                        <cn.minbb.evaluation.views.ClearTextInputEditText
                            android:id="@+id/username"
                            android:layout_width="match_parent"
                            android:layout_height="match_parent"
                            android:drawableLeft="@drawable/ic_action_person_dark"
                            android:hint="用户名" />

                    </android.support.design.widget.TextInputLayout>

                    <android.support.design.widget.TextInputLayout
                        android:id="@+id/passwordLayout"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_below="@id/usernameLayout">

                        <cn.minbb.evaluation.views.ClearTextInputEditText
                            android:id="@+id/password"
                            android:layout_width="match_parent"
                            android:layout_height="match_parent"
                            android:layout_below="@id/usernameLayout"
                            android:drawableLeft="@drawable/ic_action_lock_dark"
                            android:hint="密码"
                            android:inputType="textPassword" />

                    </android.support.design.widget.TextInputLayout>

                    <android.support.design.widget.TextInputLayout
                        android:id="@+id/repeatPasswordLayout"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_below="@id/passwordLayout">

                        <cn.minbb.evaluation.views.ClearTextInputEditText
                            android:id="@+id/repeatPassword"
                            android:layout_width="match_parent"
                            android:layout_height="match_parent"
                            android:layout_below="@id/usernameLayout"
                            android:drawableLeft="@drawable/ic_action_lock_dark"
                            android:hint="重复密码"
                            android:inputType="textPassword" />

                    </android.support.design.widget.TextInputLayout>

                    <CheckBox
                        android:id="@+id/alreadyRead"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_below="@id/repeatPasswordLayout"
                        android:layout_marginTop="20dp"
                        android:checked="false"
                        android:text="我已阅读" />

                    <TextView
                        android:id="@+id/userInstructions"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_alignBaseline="@+id/alreadyRead"
                        android:layout_toRightOf="@id/alreadyRead"
                        android:background="@color/text_gray_background_selector"
                        android:text="《用户须知》"
                        android:textColor="@android:color/holo_blue_dark" />

                </RelativeLayout>

            </android.support.v7.widget.CardView>

            <android.support.design.widget.FloatingActionButton
                android:id="@+id/register"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignBaseline="@id/cardView"
                android:layout_alignBottom="@id/cardView"
                android:layout_alignParentRight="true"
                android:layout_marginBottom="36dp"
                android:layout_marginRight="6dp"
                android:rotation="180"
                app:srcCompat="@drawable/ic_arrow_back_white_24dp" />

        </RelativeLayout>

    </android.support.v4.widget.NestedScrollView>

</android.support.design.widget.CoordinatorLayout>