sheishuoAPP/app/res/layout/login_and_reg_login_layout.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"
    xmlns:tools="http://schemas.android.com/tools"
    android:fitsSystemWindows="true"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/app_bar_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme.AppBarOverlay"
        android:weightSum="1"
        app:elevation="0dp"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1.21"
            android:background="?attr/colorPrimary"
            app:titleTextAppearance="@style/Toolbar.TitleText"></android.support.v7.widget.Toolbar>
    </android.support.design.widget.AppBarLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginTop="56dp"
        android:orientation="vertical">

        <TextView
            android:id="@+id/textView3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="15dp"
            android:layout_marginTop="25dp"
            android:text="欢迎来到谁说"
            android:textSize="25sp"
            android:textStyle="bold"
            android:typeface="monospace"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/app_bar_layout" />

        <TextView
            android:id="@+id/textView4"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="15dp"
            android:layout_marginTop="5dp"
            android:text="请输入您的登录信息"
            app:layout_constraintBottom_toTopOf="@+id/login_tel"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/textView3"
            app:layout_constraintVertical_bias="0.074" />

        <com.netease.nim.uikit.common.ui.widget.ClearableEditTextWithIcon
            android:id="@+id/login_tel"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="15dp"
            android:layout_marginRight="15dp"
            android:layout_marginTop="30dp"
            android:background="@android:drawable/editbox_background"
            android:hint="@string/please_input_tel_num"
            android:inputType="phone"
            android:maxLines="1"
            android:padding="15dp"
            app:layout_constraintHorizontal_bias="0.117"
            app:layout_constraintLeft_toLeftOf="@+id/app_bar_layout"
            app:layout_constraintRight_toRightOf="@+id/app_bar_layout"
            app:layout_constraintTop_toBottomOf="@+id/app_bar_layout" />

        <com.netease.nim.uikit.common.ui.widget.ClearableEditTextWithIcon
            android:id="@+id/login_password"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="15dp"
            android:layout_marginRight="15dp"
            android:layout_marginTop="20dp"
            android:background="@android:drawable/editbox_background"
            android:hint="@string/please_input_pwd"
            android:inputType="textPassword"
            android:maxLines="1"
            android:padding="15dp"
            app:layout_constraintHorizontal_bias="0.0"
            app:layout_constraintLeft_toLeftOf="@+id/login_tel"
            app:layout_constraintRight_toRightOf="@+id/login_tel"
            app:layout_constraintTop_toBottomOf="@+id/login_tel" />

        <TextView
            android:id="@+id/forgot_password"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="right"
            android:layout_marginRight="15dp"
            android:layout_marginTop="9dp"
            android:text="忘记密码?"
            android:textColor="@color/grey_light"
            app:layout_constraintRight_toRightOf="@+id/login_password"
            app:layout_constraintTop_toBottomOf="@+id/login_password" />

        <Button
            android:id="@+id/login_btn"
            style="@style/NormalBtnStyle"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="15dp"
            android:layout_marginRight="15dp"
            android:layout_marginTop="15dp"
            android:text="@string/login"
            app:layout_constraintHorizontal_bias="0.0"
            app:layout_constraintLeft_toLeftOf="@+id/login_password"
            app:layout_constraintRight_toRightOf="@+id/login_password"
            app:layout_constraintTop_toBottomOf="@+id/login_password" />

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_marginTop="15dp"
            android:gravity="center_vertical|center_horizontal|center"
            android:orientation="horizontal">


            <RadioButton
                android:id="@+id/agree_radio"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:checked="true"
                android:text="登录代表您已同意"
                android:textColor="@color/color_grey_666666"
                android:textColorLink="@color/color_green_00ae8c"
                app:buttonTint="@color/color_green_00ae8c" />

            <TextView
                android:id="@+id/agree_txt"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:text="《用户注册协议》"
                android:textColor="@color/color_green_00ae8c" />

        </LinearLayout>

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:orientation="horizontal"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true">


        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom"
            android:layout_marginBottom="5dp"
            android:layout_weight="1"
            android:text="还没有账号？"
            android:textAlignment="textEnd" />

        <TextView
            android:id="@+id/register_txt"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom"
            android:layout_marginBottom="5dp"
            android:layout_weight="1"
            android:text="现在注册"
            android:textAlignment="textStart"
            android:textColor="@color/color_green_00ae8c" />

    </LinearLayout>

</RelativeLayout>