1046964106

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recyclerview点击时添加item选中样式时卡顿

数据源实体Bean继承BaseObservable 定义变量，用liveData @get:Bindable var checked = MutableLiveData(false) data class BeanModel():androidx.databinding.BaseObservable(){ @get:Bindable var checked = MutableLiveData(false) } 在改变选中状态的时候直接设置 xx.checked.postValue(true/false) or xx.value = true/false