SearchView

https://www.jianshu.com/p/16f9e995e454

去掉下划线

binding.searchView.findViewById<View>(R.id.search_plate).background = null
        binding.searchView.findViewById<View>(R.id.submit_area).background = null

去掉搜索图标和背景图标

app:searchIcon="@null"
app:searchHintIcon="@null"
app:submitBackground="@null"
app:closeIcon="@drawable/ic_clear"
android:focusable="true"

左右图标的边距

android:paddingLeft="-16dp"
android:paddingStart="-16dp"

防止自动获取焦点

在外层 Layout 中添加

android:focusable="true"
android:focusableInTouchMode="true"