阶段冲刺二今日继续优化测试代码<?xmlversion="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_

<?xmlversion="1.0"encoding="utf-8"?><androidx.constraintlayout.widget.ConstraintLayoutxmlns:android="http://schemas.android.com/apk/res/android"xmlns:ap

1：创建新项目方法：https://blog.csdn.net/cpcpcp123/article/details/1053248392：ImageView：<?xmlversion="1.0"encoding="utf-8"?><androidx.constraintlayout.widget.Cons

一：基本使用<?xmlversion="1.0"encoding="utf-8"?><FrameLayoutxmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"

 一：纵向布局<?xmlversion="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_par

  一：<ImageViewandroid:src="@drawable/yourname"//资源来源android:scaleType="centerInside"//缩放方式android:layout_width="200dp"//宽android: