activity_register.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:background="@color/white"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <EditText
        android:id="@+id/edt_email"
        android:layout_width="@dimen/btn_edit_width"
        android:layout_height="@dimen/btn_edit_height"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="120dp"
        android:background="@drawable/edit_text"
        android:hint="@string/email"
        android:inputType="textEmailAddress"
        android:shadowColor="@color/edit_shadow"
        android:textColor="@color/black"
        android:textColorHint="@color/edit_hint" />

    <EditText
        android:id="@+id/new_name"
        android:layout_width="@dimen/btn_edit_width"
        android:layout_height="@dimen/btn_edit_height"
        android:layout_centerHorizontal="true"
        android:layout_marginStart="22dp"
        android:layout_marginTop="36dp"
        android:layout_marginEnd="28dp"
        android:background="@drawable/edit_text"
        android:hint="请输入用户名"
        android:inputType="text"
        android:shadowColor="@color/edit_shadow"
        android:textColor="@color/black"
        android:textColorHint="@color/edit_hint" />

    <EditText
        android:id="@+id/edt_password1"
        android:layout_width="@dimen/btn_edit_width"
        android:layout_height="@dimen/btn_edit_height"
        android:layout_below="@+id/edt_email"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="22dp"
        android:background="@drawable/edit_text"
        android:hint="@string/input_password"
        android:inputType="textPassword"
        android:shadowColor="@color/edit_shadow"
        android:textColor="@color/black"
        android:textColorHint="@color/edit_hint" />

    <EditText
        android:id="@+id/edt_password2"
        android:layout_width="@dimen/btn_edit_width"
        android:layout_height="@dimen/btn_edit_height"
        android:layout_below="@+id/edt_password1"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="22dp"
        android:background="@drawable/edit_text"
        android:hint="@string/sure_password"
        android:inputType="textPassword"
        android:shadowColor="@color/edit_shadow"
        android:textColor="@color/black"
        android:textColorHint="@color/edit_hint" />

    <Button
        android:id="@+id/bt_register"
        android:layout_width="@dimen/btn_login_width"
        android:layout_height="@dimen/btn_login_height"
        android:layout_below="@+id/edt_password2"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="40dp"
        android:background="@drawable/btn_white"
        android:text="@string/sure_register"
        android:textColor="@color/btn_blue"
        android:textSize="@dimen/btn_login_text_size" />


</RelativeLayout>