由于项目原因,需要在很多地方需要左划删除,并在后期会在item中不定增加功能。网上很多左划删除的demo,但大多封装的不太彻底,所以就试着自己进行封装。
独立上下两层互补干扰,满足不同item的左划
底部功能项不定如(删除、收藏)
截图
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicmbw5CNhJ2NmRDM2UTOjdTNmZTZ2czMlVzN1YDNyAjZ3ETN48CX0JXZ252bj91Ztl2Lc52YucWbp5GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.png)
独立Adapter的操作方式
思路: public RCommonSlideAdapter(Object object, List datas, int layoutId, Class clazz, SlideItemHolder handle) {
在onCreateViewHolder中通过反射创建holder,保证数据的操作通过回调函数,交给activity处理
Constructor constructor2 = mClazz.getConstructor(View.class);
holder = constructor2.newInstance(v);
上下分层
思路:创建底部xml布局,再通过addView插入顶部view,并交由activity处理,底部布局处理放在adapter中处理。
Constructor constructor = ViewHolderClass.SlideViewHolder.class.getConstructor(View.class);
holder = constructor.newInstance(v);
View contentView = View.inflate(parent.getContext(), mLayoutId, null);
ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup
.LayoutParams.WRAP_CONTENT);
((ViewHolderClass.SlideViewHolder) holder).mRlSlidContent.addView(contentView, params);
Constructor constructor2 = mClazz.getConstructor(View.class);
holder = constructor2.newInstance(v);
((ViewHolderClass.SlideViewHolder) holder).mRlSlidContent.getLayoutParams().width = getScreenWidth(parent.getContext());
独立功能项
思路:在xml布局中,不断增加item。并再回调函数中,对每个按钮选择性处理,并可动态添加
android:id="@+id/linDelete"
android:layout_width="100dp"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_toRightOf="@+id/rlSlidContent"
android:orientation="vertical"
>
android:id="@+id/sliding_delete"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_gravity="center_horizontal"
android:src="@drawable/icon_item_delete"
/>
public class ViewHolderClass {
public static class SlideViewHolder extends RecyclerView.ViewHolder {
@BindView(R.id.sliding_delete)
public ImageView btn_Delete;
@BindView(R.id.rlSlidContent)
public RelativeLayout mRlSlidContent;
@BindView(R.id.linSlideTitle)
public LinearLayout mLinSlideTitle;
@BindView(R.id.tvSlideTitle)
public TextView mTvSlideTitle;
public SlideViewHolder(View view) {
super(view);
ButterKnife.bind(this, view);
}
}
public static class ShopCarViewHolder extends SlideViewHolder {
@BindView(R.id.itemTv)
public TextView mItemTv;
public ShopCarViewHolder(View view) {
super(view);
}
}
}
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。