概述
SwipeLayout(https://github.com/daimajia/AndroidSwipeLayout)，顾名思义，Android平台上的滑动布局，是一个可以让我们很方便使用滑动的库，典型的应用就是侧滑删除与侧滑菜单。在android的开发中运用的场景也是很多。如图所示的效果。
本篇文章主要介绍它的基本用法，目的在于能让你快速上手使用。
1.配置
在gradle中添加以下依赖
compile "com.daimajia.swipelayout:library:1.2.0@aar"
compile 'com.android.support:recyclerview-v7:25.3.1'
2.xml文件布局 //最外层的cardview可以自己替换
<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_marginTop="1dp"
app:contentPadding="10dp">
<com.daimajia.swipe.SwipeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="match_parent">
<TextView
android:id="@+id/item_text1"
android:text="删除"
android:background="@color/red"
android:textSize="30sp"
android:textColor="@color/black"
android:layout_width="wrap_content"
android:layout_height="match_parent" />
<TextView
android:layout_toRightOf="@+id/item_text1"
android:id="@+id/item_text2"
android:text="收藏"
android:textSize="30sp"
android:textColor="@color/black"
android:background="@android:color/holo_blue_light"
android:layout_width="wrap_content"
android:layout_height="match_parent" />
</RelativeLayout>
<RelativeLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/note_item_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="标题"
android:textColor="@color/black"
android:textSize="30sp"/>
<TextView
android:layout_below="@+id/note_item_title"
android:id="@+id/note_item_abs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="内容摘要:565656565"
android:layout_marginTop="10dp"
android:textSize="20sp"/>
<TextView
android:layout_below="@+id/note_item_abs"
android:layout_marginTop="10dp"
android:id="@+id/note_item_time"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="2017-05-23 15:35"
android:textSize="20sp"/>
</RelativeLayout>
</com.daimajia.swipe.SwipeLayout>
</android.support.v7.widget.CardView>3.构建适配器（注意要继承 RecyclerSwipeAdapter ）
import android.content.Context;
import android.support.v7.widget.CardView;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import com.daimajia.swipe.adapters.RecyclerSwipeAdapter;
import java.util.List;
/**
* Created by pc on 2017/5/26.
*/
public class MyRecyclerViewAdapter extends RecyclerSwipeAdapter<MyRecyclerViewAdapter.MyViewHolder> {
private Context context;
private List<Note> list;
public MyRecyclerViewAdapter(Context context,List<Note> list){
this.context=context;
this.list=list;
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view= LayoutInflater.from(parent.getContext()).inflate(R.layout.note_item,parent,false);
return new MyViewHolder(view);
}
@Override
public void onBindViewHolder(MyViewHolder viewHolder, final int position) {
Note note = list.get(position);
viewHolder.note_title.setText(note.getNote_title());
viewHolder.note_content_abs.setText(note.getNote_content_abs());
viewHolder.note_time.setText(note.getNote_time());
}
@Override
public int getItemCount() {
return list.size();
}
@Override
public int getSwipeLayoutResourceId(int position) {
return position;
}
class MyViewHolder extends RecyclerView.ViewHolder{
CardView cardView;
TextView note_title;
TextView note_content_abs;
TextView note_time;
public MyViewHolder(View itemView) {
super(itemView);
cardView = (CardView) itemView;
note_title = (TextView) itemView.findViewById(R.id.note_item_title);
note_content_abs = (TextView) itemView.findViewById(R.id.note_item_abs);
note_time = (TextView) itemView.findViewById(R.id.note_item_time);
}
}
}package bbh.fzu.com.yunbiji;
/**
* Created by pc on 2017/5/24.
*/
public class Note {
private String note_title;
private String note_content;
private String note_content_abs;
private String note_time;
public Note(String note_title, String note_content, String note_content_abs, String note_time) {
this.note_title = note_title;
this.note_content = note_content;
this.note_content_abs = note_content_abs;
this.note_time = note_time;
}
public String getNote_title() {
return note_title;
}
public void setNote_title(String note_title) {
this.note_title = note_title;
}
public String getNote_content() {
return note_content;
}
public void setNote_content(String note_content) {
this.note_content = note_content;
}
public String getNote_content_abs() {
return note_content_abs;
}
public void setNote_content_abs(String note_content_abs) {
this.note_content_abs = note_content_abs;
}
public String getNote_time() {
return note_time;
}
public void setNote_time(String note_time) {
this.note_time = note_time;
}
}
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.NavigationView;
import android.support.v4.widget.DrawerLayout;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.view.Gravity;
import android.view.Menu;
import android.view.MenuItem;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
public class MainActivity extends AppCompatActivity {
private DrawerLayout drawerLayout;
private Note [] notes = {new Note("标题1","内容：4545454545454","摘要：5555","2017-5-23 15:22"),new Note("标题1","内容：4545454545454","摘要：5555","2017-5-23"),
new Note("标题1","内容：4545454545454","摘要：5555","2017-5-23"),new Note("标题1","内容：4545454545454","摘要：5555","2017-5-23"),
new Note("标题1","内容：4545454545454","摘要：5555","2017-5-23"),new Note("标题1","内容：4545454545454","摘要：5555","2017-5-23"),
new Note("标题1","内容：4545454545454","摘要：5555","2017-5-23"),new Note("标题1","内容：4545454545454","摘要：5555","2017-5-23"),
new Note("标题1","内容：4545454545454","摘要：5555","2017-5-23"),new Note("标题1","内容：4545454545454","摘要：5555","2017-5-23")};
private List<Note> noteList = new ArrayList<>();
private NoteAdapter noteAdapter;
private MyRecyclerViewAdapter myRecyclerViewAdapter;
private SwipeRefreshLayout swipeRefreshLayout;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
inits();
}
private void initNotes() {//初始化笔记
noteList.clear();
for (int i=0; i<20;i++){
Random rand = new Random();
int index = rand.nextInt(notes.length);
noteList.add(notes[index]);
}
}
private void inits() {
//添加自定义标题栏
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
NavigationView nav_view = (NavigationView) findViewById(R.id.nav_view);
//
ActionBar actionbar = getSupportActionBar();
//
actionbar.setDisplayHomeAsUpEnabled(true);
//
actionbar.setHomeAsUpIndicator(R.drawable.ic_menu);
//侧滑菜单点击事件
nav_view.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
drawerLayout.closeDrawers();//关闭侧滑菜单
return true;
}
});
initNotes();
RecyclerView recycle_view = (RecyclerView) findViewById(R.id.recycler_view);
GridLayoutManager
layoutManager = new GridLayoutManager(this,1);
recycle_view.setLayoutManager(layoutManager);
//noteAdapter = new NoteAdapter(noteList);
myRecyclerViewAdapter = new MyRecyclerViewAdapter(this,noteList);
recycle_view.setAdapter(myRecyclerViewAdapter);
//下拉刷新
swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refresh);
swipeRefreshLayout.setColorSchemeResources(R.color.black);
swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
new Thread(new Runnable() {
@Override
public void run() {
try {
Thread.sleep(2000);//休眠2秒
} catch (InterruptedException e) {
e.printStackTrace();
}
runOnUiThread(new Runnable() {
@Override
public void run() {
initNotes();
myRecyclerViewAdapter.notifyDataSetChanged();
swipeRefreshLayout.setRefreshing(false);//关闭刷新提示
}
});
}
}).start();
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {//工具栏添加功能菜单
getMenuInflater().inflate(R.menu.toolbar,menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {//工具栏菜单点击事件处理
switch (item.getItemId()){
case R.id.toolbar_open:
drawerLayout.openDrawer(Gravity.RIGHT);
break;
default:
break;
}
return true;
}
}
上面的Note是填充 RecyclerView的item。4.最终效果实现侧滑菜单
最后
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