Android 列表侧滑删除
SwipeLayout
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.widget.HorizontalScrollView;
import android.widget.TextView;
import com.wondersgroup.smartcampus.teacher.R;
/**
* Created by ${zhanggaobo} on 2018/6/25.
* 侧滑删除
*/
public class SwipeLayoutextends HorizontalScrollView {
private TextViewmTextView_Delete;
private int mScrollWidth;
private IonSlidingButtonListenermIonSlidingButtonListener;
private BooleanisOpen =false;
private Booleanonce =false;
public SwipeLayout(Context context) {
this(context,null);
}
public SwipeLayout(Context context, AttributeSet attrs) {
this(context, attrs,0);
}
public SwipeLayout(Context context, AttributeSet attrs,int defStyleAttr) {
super(context, attrs, defStyleAttr);
this.setOverScrollMode(OVER_SCROLL_NEVER);
}
@Override
protected void onMeasure(int widthMeasureSpec,int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
if (!once) {
mTextView_Delete = (TextView) findViewById(R.id.tv_delete);
once =true;
}
}
@Override
protected void onLayout(boolean changed,int l,int t,int r,int b) {
super.onLayout(changed, l, t, r, b);
if (changed) {
this.scrollTo(0,0);
//获取水平滚动条可以滑动的范围，即右侧按钮的宽度
mScrollWidth =mTextView_Delete.getWidth();
Log.i("asd","mScrollWidth:" +mScrollWidth);
}
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
int action = ev.getAction();
switch (action) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_MOVE:
mIonSlidingButtonListener.onDownOrMove(this);
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
changeScrollx();
return true;
default:
break;
}
return super.onTouchEvent(ev);
}
@Override
protected void onScrollChanged(int l,int t,int oldl,int oldt) {
super.onScrollChanged(l, t, oldl, oldt);
mTextView_Delete.setTranslationX(l -mScrollWidth);
}
/**
* 按滚动条被拖动距离判断关闭或打开菜单
*/
public void changeScrollx() {
if (getScrollX() >= (mScrollWidth /2)) {
this.smoothScrollTo(mScrollWidth,0);
isOpen =true;
mIonSlidingButtonListener.onMenuIsOpen(this);
}else {
this.smoothScrollTo(0,0);
isOpen =false;
}
}
/**
* 打开菜单
*/
public void openMenu() {
if (isOpen) {
return;
}
this.smoothScrollTo(mScrollWidth,0);
isOpen =true;
mIonSlidingButtonListener.onMenuIsOpen(this);
}
/**
* 关闭菜单
*/
public void closeMenu() {
if (!isOpen) {
return;
}
this.smoothScrollTo(0,0);
isOpen =false;
}
public void setSlidingButtonListener(IonSlidingButtonListener listener) {
mIonSlidingButtonListener = listener;
}
public interface IonSlidingButtonListener {
void onMenuIsOpen(View view);
void onDownOrMove(SwipeLayout swipeLayout);
}
}
layout
android:id="@+id/swipe_layout"
android:layout_width="match_parent"
android:layout_height="60dp"
android:layout_marginBottom="1dp"
android:background="@color/white">
android:layout_width="match_parent"
android:layout_height="match_parent">
android:id="@+id/tv_delete"
android:layout_width="100dp"
android:layout_height="match_parent"
android:layout_toRightOf="@+id/layout_content"
android:background="@color/red_car"
android:gravity="center"
android:text="删 除"
android:textColor="#DDFFFFFF" />
android:id="@+id/layout_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/white"
android:clickable="true">
android:id="@+id/imgae_check"
android:layout_width="16dp"
android:layout_height="16dp"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_marginRight="@dimen/margin_15"
android:src="@mipmap/icon_circle_big"
android:visibility="gone" />
android:id="@+id/image_file"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:layout_marginLeft="@dimen/margin_15"
android:layout_marginRight="@dimen/margin_15"
android:src="@mipmap/icon_file_folder" />
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_toRightOf="@+id/image_file"
android:gravity="center_vertical"
android:orientation="vertical">
android:id="@+id/text_file_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="@dimen/margin_5"
android:lineSpacingExtra="6sp"
android:text="教学笔记－2018"
android:textColor="#333333"
android:textSize="15sp" />
android:id="@+id/text_file_time"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="2018-06-20 12:00"
android:textColor="#999999"
android:textSize="12.1sp" />
package com.wondersgroup.smartcampus.teacher.adapter.file;
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import com.johnson.commonlibs.common_utils.utils.DateUtils;
import com.johnson.commonlibs.common_utils.utils.DensityUtil;
import com.johnson.commonlibs.common_utils.utils.StrUtils;
import com.wondersgroup.smartcampus.teacher.R;
import com.wondersgroup.smartcampus.teacher.model.filesmanager.FilesResult;
import com.wondersgroup.smartcampus.teacher.view.SwipeLayout;
import java.util.ArrayList;
import java.util.List;
import butterknife.Bind;
import butterknife.ButterKnife;
/**
* 列表适配器
*/
public class MyFilesAdapterextends RecyclerView.Adapterimplements SwipeLayout.IonSlidingButtonListener {
private Listdata;
private Contextcontext;
private SwipeLayoutmMenu =null;
private IonSlidingViewClickListenermIDeleteClickListener;
private Listchooses =new ArrayList<>();
private boolean isSelect =false;
public void setSelect(boolean select) {
isSelect = select;
chooses.clear();
notifyDataSetChanged();
}
public void setData(List data) {
this.data = data;
notifyDataSetChanged();
}
public void clear() {
chooses.clear();
notifyDataSetChanged();
}
public List getData() {
return data;
}
public List getChooses() {
return chooses;
}
public MyFilesAdapter(List data, Context context) {
this.data = data;
this.context = context;
}
public void setmIDeleteClickListener(IonSlidingViewClickListener mIDeleteClickListener) {
this.mIDeleteClickListener = mIDeleteClickListener;
}
@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent,int viewType) {
return new ViewHolder(LayoutInflater.from(context).inflate(R.layout.item_files_view, parent,false));
}
@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder,final int position) {
final FilesResult.BodyBean.DocListBean dataBean =data.get(position);
final ViewHolder viewHolder = (ViewHolder) holder;
viewHolder.swipeLayout.closeMenu();
if (!StrUtils.equals(dataBean.getDocType(),"0")) {
viewHolder.tvDelete.setVisibility(View.VISIBLE);
if (StrUtils.equals(dataBean.getDocType(),"1")) {
viewHolder.imageFile.setImageResource(R.mipmap.icon_file_doc);
}else if (StrUtils.equals(dataBean.getDocType(),"2")) {
viewHolder.imageFile.setImageResource(R.mipmap.icon_file_pdf);
}else if (StrUtils.equals(dataBean.getDocType(),"3")) {
viewHolder.imageFile.setImageResource(R.mipmap.icon_file_jpg);
}else if (StrUtils.equals(dataBean.getDocType(),"4")) {
viewHolder.imageFile.setImageResource(R.mipmap.icon_file_video);
}
if (isSelect) {
viewHolder.imgaeCheck.setVisibility(View.VISIBLE);
if (chooses.contains(dataBean.getId())) {
viewHolder.imgaeCheck.setImageResource(R.mipmap.icon_check);
}else {
viewHolder.imgaeCheck.setImageResource(R.mipmap.icon_circle_big);
}
}else {
viewHolder.imgaeCheck.setVisibility(View.GONE);
}
}else {
viewHolder.tvDelete.setVisibility(View.GONE);
viewHolder.imageFile.setImageResource(R.mipmap.icon_file_folder);
viewHolder.imgaeCheck.setVisibility(View.GONE);
}
viewHolder.textFileName.setText(dataBean.getName());
viewHolder.textFileTime.setText(DateUtils.time2StringMM(dataBean.getCreateTime()));
viewHolder.layoutContent.getLayoutParams().width = DensityUtil.getScreenWidth(context);
viewHolder.layoutContent.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//判断是否有删除菜单打开
if (menuIsOpen()) {
closeMenu();//关闭菜单
}else {
if (!isSelect) {
int n =viewHolder.getLayoutPosition();
mIDeleteClickListener.onItemClick(v, n);
}else {
if (!StrUtils.equals(dataBean.getDocType(),"0")) {
if (chooses.contains(dataBean.getId())) {
chooses.remove(dataBean.getId());
viewHolder.imgaeCheck.setImageResource(R.mipmap.icon_circle_big);
}else {
chooses.add(dataBean.getId());
viewHolder.imgaeCheck.setImageResource(R.mipmap.icon_check);
}
}else {
int n =viewHolder.getLayoutPosition();
mIDeleteClickListener.onItemClick(v, n);
}
}
}
}
});
viewHolder.layoutContent.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
int n =viewHolder.getLayoutPosition();
mIDeleteClickListener.onLongClick(v, n);
return true;
}
});
viewHolder.tvDelete.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int n =viewHolder.getLayoutPosition();
mIDeleteClickListener.onDeleteBtnCilck(v, n);
}
});
}
@Override
public int getItemCount() {
return (data !=null &&data.size() >0) ?data.size() :0;
}
/**
* 关闭菜单
*/
public void closeMenu() {
mMenu.closeMenu();
mMenu =null;
}
/**
* 判断是否有菜单打开
*/
public Boolean menuIsOpen() {
if (mMenu !=null) {
return true;
}
return false;
}
/**
* 删除菜单打开信息接收
*/
@Override
public void onMenuIsOpen(View view) {
mMenu = (SwipeLayout) view;
}
/**
* 滑动或者点击了Item监听
*
* @param slidingButtonView
*/
@Override
public void onDownOrMove(SwipeLayout slidingButtonView) {
if (menuIsOpen()) {
if (mMenu != slidingButtonView) {
closeMenu();
}
}
}
public interface IonSlidingViewClickListener {
void onItemClick(View view,int position);
void onDeleteBtnCilck(View view,int position);
void onLongClick(View view,int position);
}
class ViewHolderextends RecyclerView.ViewHolder {
@Bind(R.id.swipe_layout)
SwipeLayoutswipeLayout;
@Bind(R.id.tv_delete)
TextViewtvDelete;
@Bind(R.id.imgae_check)
ImageViewimgaeCheck;
@Bind(R.id.image_file)
ImageViewimageFile;
@Bind(R.id.text_file_name)
TextViewtextFileName;
@Bind(R.id.text_file_time)
TextViewtextFileTime;
@Bind(R.id.layout_content)
RelativeLayoutlayoutContent;
public ViewHolder(View itemView) {
super(itemView);
ButterKnife.bind(this, itemView);
((SwipeLayout) itemView).setSlidingButtonListener(MyFilesAdapter.this);
}
}
}
