cooleshow_android/teacher/src/main/res/layout/activity_check_modify_phonenum.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:background="@color/color_f6f8f9"
    android:orientation="vertical"
    tools:ignore="MissingDefaultResource">

    <include
        android:id="@+id/toolbar_include"
        layout="@layout/common_toolbar_layout" />

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="15dp"
        android:background="@color/white">

        <EditText
            android:id="@+id/et_phone_num"
            android:layout_width="match_parent"
            android:layout_height="@dimen/dp_48"
            android:background="@null"
            android:gravity="center_vertical"
            android:hint="请输当前手机号"
            android:inputType="phone"
            android:paddingLeft="14dp"
            android:paddingRight="14dp"
            android:maxLength="11"
            android:textColor="@color/color_1a1a1a"
            android:textColorHint="@color/color_999999"
            android:textSize="@dimen/sp_16"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <View
            android:id="@+id/view_line"
            android:layout_width="match_parent"
            android:layout_height="1px"
            android:layout_marginLeft="12dp"
            android:background="@color/divide_color_f0f0f0"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/et_phone_num" />

        <EditText
            android:id="@+id/et_password"
            android:layout_width="match_parent"
            android:layout_height="@dimen/dp_48"
            android:background="@null"
            android:gravity="center_vertical"
            android:hint="请输入密码"
            android:inputType="text"
            android:paddingLeft="14dp"
            android:paddingRight="14dp"
            android:textColor="@color/color_1a1a1a"
            android:textColorHint="@color/color_999999"
            android:textSize="@dimen/sp_16"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/view_line" />

    </androidx.constraintlayout.widget.ConstraintLayout>


    <TextView
        android:id="@+id/tv_confirm"
        android:layout_width="match_parent"
        android:layout_height="44dp"
        android:layout_marginLeft="28dp"
        android:layout_marginTop="20dp"
        android:layout_marginRight="28dp"
        android:layout_marginBottom="48dp"
        android:background="@drawable/shape_course_status_ing"
        android:gravity="center"
        android:text="确定"
        android:textColor="@color/white"
        android:textSize="@dimen/sp_14" />

</LinearLayout>