weixin_42310634的博客

Impl (build.gradle文件) implementation 'com.android.support:recyclerview-v7:28.0.0' 布局基础（显示视图.xml） <android.support.v7.widget.RecyclerView android:layout_width="match_parent" an...

自定义加减视图 public class AddDelView extends LinearLayout { private OnNumChangedListener onNumChangedListener; private View rootView; private ImageView iv_add; private ImageView iv_del; ...

外包装 <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_p