ve3344 / bindingadapter Goto Github PK

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:background="#252935"
    android:layout_width="match_parent"
    android:gravity="center_horizontal"
    android:layout_height="wrap_content"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/tvItem"
        android:textColor="#50535E"
        android:textSize="22sp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        tools:text="Android"/>

</LinearLayout>

val list = (30..100).map { it.toString() }
        val adapter =
            BindingAdapter<String, RvItemPickerBinding>(RvItemPickerBinding::inflate) { position, item ->
                itemBinding.tvItem.text = item
                if (isWheelItemSelected) {
                    itemBinding.tvItem.setTextColor(Color.WHITE)
                    //修改字体大小也会出现计算高度错误
                    //itemBinding.tvItem.textSize = SizeUtils.sp2px(22f).toFloat()
                } else {
                    itemBinding.tvItem.setTextColor("#50535E".toColorInt())
                    //itemBinding.tvItem.textSize = SizeUtils.sp2px(14f).toFloat()
                }
            }

        binding.apply {
            rvPicker.adapter = adapter
            adapter.data.addAll(list)
            adapter.notifyDataSetChanged()

            val module = rvPicker.setupWheelModule()
            module.apply {
                offset = 1 //上下偏移多少
                orientation = RecyclerWheelViewModule.VERTICAL//方向
            }
            module.selectedPosition = list.indexOf("70")
        }