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Android 滑动监听RecyclerView线性流+左右划删除+上下移动

2019年07月24日  | 移动技术网IT编程  | 我要评论

塞舌尔旅游,漫画连载,洗斑

废话不多说了，直接给大家贴代码了。具体代码如下所示:

<?xml version="1.0" encoding="utf-8"?>
<relativelayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="c.example.jreduch10.recycler1activity">
<android.support.v7.widget.recyclerview
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/rv"
></android.support.v7.widget.recyclerview>
</relativelayout>
<span style="font-size:18px;">package c.example.jreduch10; 
import android.os.bundle; 
import android.support.v7.app.appcompatactivity; 
import android.support.v7.widget.linearlayoutmanager; 
import android.support.v7.widget.recyclerview; 
import android.support.v7.widget.helper.itemtouchhelper; 
import android.util.log; 
import android.view.view; 
import android.view.viewgroup; 
import android.widget.imageview; 
import android.widget.textview; 
import android.widget.toast; 
import java.util.arraylist; 
import java.util.list; 
import c.example.jreduch10.entity.video; 
import jp.wasabeef.recyclerview.adapters.alphainanimationadapter; 
import jp.wasabeef.recyclerview.adapters.scaleinanimationadapter; 
public class recycler1activity extends appcompatactivity { 
private recyclerview rv; 
private list<video> list; 
private adapter adapter; 
private itemtouchhelper itemtouchhelper; 
@override 
protected void oncreate(bundle savedinstancestate) { 
super.oncreate(savedinstancestate); 
setcontentview(r.layout.activity_recycler1); 
rv=(recyclerview)findviewbyid(r.id.rv); 
list=new arraylist<>(); 
initdata(); 
adapter=new adapter(list); 
linearlayoutmanager llm=new linearlayoutmanager(this); 
llm.setorientation(linearlayoutmanager.vertical); 
rv.setlayoutmanager(llm); 
// rv.setadapter(adapter); 
//动画效果 
alphainanimationadapter alphainanimationadapter=new alphainanimationadapter(adapter); 
rv.setadapter(new scaleinanimationadapter(alphainanimationadapter)); 
//默认动画效果 
// rv.setitemanimator(new defaultitemanimator()); 
itemtouchhelper=createitemtouchhelper(); 
itemtouchhelper.attachtorecyclerview(rv); 
////监听事件某一行 
// recyclerviewitemlistener listener=new recyclerviewitemlistener(this, new recyclerviewitemlistener.onitemclicklistener() { 
// @override 
// public void onitemclick(view item, int adapterposition) { 
// toast.maketext(getbasecontext(),adapterposition+"",toast.length_short).show(); 
// } 
// }); 
// rv.addonitemtouchlistener(listener); 
} 
public itemtouchhelper createitemtouchhelper(){ 
itemtouchhelper=new itemtouchhelper(new itemtouchhelper.callback() { 
@override 
public int getmovementflags(recyclerview recyclerview, recyclerview.viewholder viewholder) { 
//拖拽时支持的方向向上向下 
int dragflags=itemtouchhelper.up|itemtouchhelper.down; 
//滑动的时候支持的方向为左右 
int swipeflags=itemtouchhelper.left|itemtouchhelper.right; 
//必须调用makemovementflags（）方法通知 touchhelper支持的种类 
return makemovementflags(dragflags,swipeflags); 
} 
//上下拖动回调次方法。 
@override 
public boolean onmove(recyclerview recyclerview, recyclerview.viewholder viewholder, recyclerview.viewholder target) { 
adapter.move(viewholder.getadapterposition(),target.getadapterposition()); 
return true; 
} 
//左右滑动回调此方法。 
@override 
public void onswiped(recyclerview.viewholder viewholder, int direction) { 
adapter.delete(viewholder.getadapterposition()); 
} 
@override 
public boolean isitemviewswipeenabled() { 
return super.isitemviewswipeenabled(); 
} 
@override 
public boolean islongpressdragenabled() { 
return super.islongpressdragenabled(); 
} 
}); 
return itemtouchhelper; 
} 
public void initdata(){ 
video video=new video(r.mipmap.zyf,"国产","........"); 
list.add(video); 
video=new video(r.mipmap.zyfzyf,"国产","........"); 
list.add(video); 
video=new video(r.mipmap.zyfzyfzyf,"国产","........"); 
list.add(video); 
video=new video(r.mipmap.zyf,"国产","........"); 
list.add(video); 
video=new video(r.mipmap.g,"国产","........"); 
list.add(video); 
video=new video(r.mipmap.ic_launcher,"国产","........"); 
list.add(video); 
video=new video(r.mipmap.zyf,"国产","........"); 
list.add(video); 
video=new video(r.mipmap.zyf,"国产","........"); 
list.add(video); 
video=new video(r.mipmap.zyfzyf,"国产","........"); 
list.add(video); 
video=new video(r.mipmap.zyfzyfzyf,"国产","........"); 
list.add(video); 
video=new video(r.mipmap.zyf,"国产","........"); 
list.add(video); 
video=new video(r.mipmap.g,"国产","........"); 
list.add(video); 
video=new video(r.mipmap.ic_launcher,"国产","........"); 
list.add(video); 
video=new video(r.mipmap.zyf,"国产","........"); 
list.add(video); 
} 
public class adapter extends recyclerview.adapter<viewholder>{ 
private list<video> mdata; 
public adapter(list<video> mdata){ 
this.mdata=mdata; 
} 
//左右滑动时调用此方法 
public void delete(int position){ 
mdata.remove(position); 
notifyitemremoved(position); 
} 
//上下拖动时调用此方法 
public void move(int from,int to){ 
video video=mdata.remove(from); 
mdata.add(to>from?to-1:to,video); 
notifyitemmoved(from,to); 
} 
@override 
public int getitemcount() { 
return mdata.size(); 
} 
@override 
public viewholder oncreateviewholder(viewgroup parent, int viewtype) { 
view view=getlayoutinflater().inflate(r.layout.recycle1_linear_layout,parent,false); 
viewholder vh=new viewholder(view); 
return vh; 
} 
@override 
public void onbindviewholder(viewholder holder, int position) { 
video video=mdata.get(position); 
holder.iv.setimageresource(video.getimg()); 
holder.title.settext(video.gettitle()); 
holder.content.settext(video.getcontent()); 
} 
} 
public class viewholder extends recyclerview.viewholder{ 
imageview iv; 
textview title; 
textview content; 
public viewholder(view itemview) { 
super(itemview); 
iv= (imageview) itemview.findviewbyid(r.id.iv); 
title=(textview)itemview.findviewbyid(r.id.title); 
content=(textview)itemview.findviewbyid(r.id.content); 
//监听事件某一项 
itemview.setonclicklistener(new view.onclicklistener() { 
@override 
public void onclick(view view) { 
int position=getadapterposition(); 
log.d("9999999999","uuuuu"); 
toast.maketext(getbasecontext(),title.gettext()+":"+position,toast.length_short).show(); 
} 
}); 
} 
} 
} 
</span>



以上所述是小编给大家介绍的android 滑动监听recyclerview线性流+左右划删除+上下移动，希望对大家有所帮助

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