<?xml version="1.0" encoding="utf-8"?> <android.support.constraint.ConstraintLayout 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:background="@drawable/bg_item_course_list" android:layout_height="wrap_content"> <ImageView android:id="@+id/iv_head" android:layout_width="145dp" android:layout_height="80dp" android:contentDescription="@null" android:scaleType="fitXY" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintTop_toTopOf="parent" app:layout_constraintVertical_bias="0.0" android:layout_marginTop="20dp" android:layout_marginBottom="20dp" android:layout_marginLeft="15dp" app:srcCompat="@color/course_color_EBEBEB"/> <TextView android:id="@+id/tv_title" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_marginLeft="15dp" android:layout_marginStart="15dp" android:layout_marginTop="22dp" android:layout_marginRight="15dp" android:layout_marginEnd="15dp" android:ellipsize="end" android:maxLines="2" android:text="标题" android:textColor="@color/course_color_333333" android:textSize="16sp" android:textStyle="bold" app:layout_constraintHorizontal_bias="1.0" app:layout_constraintLeft_toRightOf="@+id/iv_head" app:layout_constraintRight_toRightOf="parent" app:layout_constraintTop_toTopOf="parent"/> <TextView android:id="@+id/tv_courseNumContent" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginBottom="1dp" android:layout_marginLeft="15dp" android:layout_marginStart="15dp" tools:text="共21节课程" android:textColor="@color/course_color_666666" android:textSize="14sp" app:layout_constraintBottom_toBottomOf="@+id/iv_head" app:layout_constraintHorizontal_bias="0.0" app:layout_constraintLeft_toRightOf="@+id/iv_head" app:layout_constraintRight_toRightOf="parent"/> <View android:id="@+id/divider_line" android:layout_width="match_parent" android:layout_height="0.5dp" android:background="@color/course_color_f0f0f0" android:layout_marginLeft="15dp" android:layout_marginRight="15dp" app:layout_constraintTop_toBottomOf="parent"/> </android.support.constraint.ConstraintLayout>