软件工程

`

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"

    android:padding="20dp">

    <!-- 标题 -->
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="添加课程信息"
        android:textSize="24sp"
        android:textColor="@color/black"
        android:gravity="center"
        android:layout_marginBottom="20dp"/>

    <!-- 课程名称输入 -->
    <com.google.android.material.textfield.TextInputLayout
        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="16dp">
        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/et_course_name"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="课程名称"
            android:inputType="text"/>
    </com.google.android.material.textfield.TextInputLayout>

    <!-- 任课老师下拉选择 -->
    <com.google.android.material.textfield.TextInputLayout
        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="16dp">
        <AutoCompleteTextView
            android:id="@+id/actv_teacher"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="任课老师"
            android:inputType="none"/>
    </com.google.android.material.textfield.TextInputLayout>

    <!-- 上课地点输入 -->
    <com.google.android.material.textfield.TextInputLayout
        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="24dp">
        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/et_location"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="上课地点"
            android:inputType="text"/>
    </com.google.android.material.textfield.TextInputLayout>

    <!-- 保存按钮 -->
    <Button
        android:id="@+id/btn_save"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="保存"

        android:textColor="@color/white"
        android:textAllCaps="false"
        android:elevation="2dp"/>

</LinearLayout>

`

localhost 192.168.170.105 example.com

<base-config cleartextTrafficPermitted="true">
    <trust-anchors>
        <certificates src="system" />
    </trust-anchors>
</base-config>