SwipeRecyclerView 的側滑實現,simple版,有引入包的過程
阿新 • • 發佈:2018-12-13
效果圖:
左滑,出現新增
部落格內容
- 導包步驟
- 易出錯地方
- 完整程式碼
0. 導包步驟
Gradle
implementation 'com.yanzhenjie:recyclerview-swipe:1.1.4'
在xml中引用SwipeRecyclerView:
<com.yanzhenjie.recyclerview.swipe.SwipeMenuRecyclerView
...
/>
關鍵點,易出錯地方
- setWidth(),不是 setWeight();
- 介面卡的新增要放在menu建立完畢之後
// 建立選單: SwipeMenuCreator mSwipeMenuCreator = new SwipeMenuCreator() { @Override public void onCreateMenu(SwipeMenu leftMenu, SwipeMenu rightMenu, int viewType) { int width = getResources().getDimensionPixelOffset(R.dimen.dp_100); int height = ViewGroup.LayoutParams.MATCH_PARENT; // 注意:哪邊不想要選單,那麼不要新增即可。 SwipeMenuItem addItem = new SwipeMenuItem(MainActivity.this) .setBackground(R.drawable.selector_green) .setImage(R.mipmap.ic_action_delete) .setText("新增") .setTextColor(Color.WHITE) .setWidth(width) .setHeight(height); rightMenu.addMenuItem(addItem); // 新增選單到右側。 } }; // 設定監聽器。 swipeRecyclerView.setSwipeMenuCreator(mSwipeMenuCreator); SwipeMenuItemClickListener mMenuItemClickListener = new SwipeMenuItemClickListener() { @Override public void onItemClick(SwipeMenuBridge menuBridge) { // 任何操作必須先關閉選單,否則可能出現Item選單開啟狀態錯亂。 menuBridge.closeMenu(); int direction = menuBridge.getDirection(); // 左側還是右側選單。 int adapterPosition = menuBridge.getAdapterPosition(); // RecyclerView的Item的position。 int menuPosition = menuBridge.getPosition(); // 選單在RecyclerView的Item中的Position。 Toast.makeText(MainActivity.this, direction + " " + adapterPosition + " " + menuPosition, Toast.LENGTH_SHORT).show(); } }; // 選單點選監聽。 swipeRecyclerView.setSwipeMenuItemClickListener(mMenuItemClickListener); // 新增介面卡 swipeRecyclerView.setAdapter(adapter);
完整程式碼
colors.xml
<?xml version="1.0" encoding="utf-8"?> <resources> <color name="red_normal">#FF0000</color> <color name="red_pressed">#FF6666</color> <color name="green_normal">#37C000</color> <color name="green_pressed">#30A070</color </resources>
dimens.xml
<?xml version="1.0" encoding="utf-8"?> <resources> <dimen name="dp_200">200dp</dimen> <dimen name="dp_100">100dp</dimen> <dimen name="dp_70">70dp</dimen> <dimen name="dp_10">10dp</dimen> <dimen name="dp_2">2dp</dimen> </resources>
recyclerview_demo_item.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="?selectableItemBackground"
android:gravity="center_vertical"
android:minHeight="@dimen/dp_70"
android:padding="@dimen/dp_10">
<TextView
android:id="@+id/name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
tools:text="Testing"/>
</LinearLayout>
RecycleDemoAdapter.java
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.TextView;
import android.widget.Toast;
import java.util.List;
public class RecycleDemoAdapter extends RecyclerView.Adapter<RecycleDemoAdapter.MyHolder> {
private Context context; // 方便檢視的操作
private List<String> list;
public RecycleDemoAdapter(Context context,List<String> list)
{
this.context = context;
this.list = list;
}
//
// public void update(List<String> list)
// {
// this.list = list;
// notifyDataSetChanged();
// }
// 獲取 item 的佈局
@NonNull
@Override
public MyHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.recyclerview_demo_item,viewGroup,false);
MyHolder myHolder = new MyHolder(view);
return myHolder;
}
@Override
public int getItemCount() {
return list.size();
}
// 繫結類
public class MyHolder extends RecyclerView.ViewHolder {
TextView textView;
public MyHolder(@NonNull View itemView) {
super(itemView);
textView = itemView.findViewById(R.id.name);
}
}
// 實際繫結 item 操作
@Override
public void onBindViewHolder(@NonNull MyHolder myHolder, final int position) {
String s = list.get(position);
myHolder.textView.setText(s);
// myHolder.textView.setOnClickListener(new View.OnClickListener() {
// @Override
// public void onClick(View v) {
// Toast.makeText(context, "點選了:"+list.get(position), Toast.LENGTH_SHORT).show();
// }
// });
}
}
ic_action_delete.png(PS:這裡是有圖片的)
MainActivity.java
import android.graphics.Color;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.ViewGroup;
import android.widget.Toast;
import com.yanzhenjie.recyclerview.swipe.SwipeMenu;
import com.yanzhenjie.recyclerview.swipe.SwipeMenuBridge;
import com.yanzhenjie.recyclerview.swipe.SwipeMenuCreator;
import com.yanzhenjie.recyclerview.swipe.SwipeMenuItem;
import com.yanzhenjie.recyclerview.swipe.SwipeMenuItemClickListener;
import com.yanzhenjie.recyclerview.swipe.SwipeMenuRecyclerView;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity {
private SwipeMenuRecyclerView swipeRecyclerView;
private List<String> list = new ArrayList<>();
private RecyclerView.Adapter adapter;
private LinearLayoutManager layoutManager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
loadCH();
}
private void loadCH() {
swipeRecyclerView = findViewById(R.id.swipeRecyclerView);
//// 向list 裡新增資料
addData();
adapter = new RecycleDemoAdapter(this, list);
// 設定 recyclerView 的 佈局管理器
// 就是 recyclerview 的顯示效果
layoutManager = new LinearLayoutManager(this);
layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
swipeRecyclerView.setLayoutManager(layoutManager);
// 建立選單:
SwipeMenuCreator mSwipeMenuCreator = new SwipeMenuCreator() {
@Override
public void onCreateMenu(SwipeMenu leftMenu, SwipeMenu rightMenu, int viewType) {
int width = getResources().getDimensionPixelOffset(R.dimen.dp_100);
int height = ViewGroup.LayoutParams.MATCH_PARENT;
// 注意:哪邊不想要選單,那麼不要新增即可。
SwipeMenuItem addItem = new SwipeMenuItem(MainActivity.this)
.setBackground(R.drawable.selector_green)
.setImage(R.mipmap.ic_action_delete)
.setText("新增")
.setTextColor(Color.WHITE)
.setWidth(width)
.setHeight(height);
rightMenu.addMenuItem(addItem); // 新增選單到右側。
}
};
// 設定監聽器。
swipeRecyclerView.setSwipeMenuCreator(mSwipeMenuCreator);
SwipeMenuItemClickListener mMenuItemClickListener = new SwipeMenuItemClickListener() {
@Override
public void onItemClick(SwipeMenuBridge menuBridge) {
// 任何操作必須先關閉選單,否則可能出現Item選單開啟狀態錯亂。
menuBridge.closeMenu();
int direction = menuBridge.getDirection(); // 左側還是右側選單。
int adapterPosition = menuBridge.getAdapterPosition(); // RecyclerView的Item的position。
int menuPosition = menuBridge.getPosition(); // 選單在RecyclerView的Item中的Position。
Toast.makeText(MainActivity.this, direction + " " + adapterPosition + " " + menuPosition, Toast.LENGTH_SHORT).show();
}
};
// 選單點選監聽。
swipeRecyclerView.setSwipeMenuItemClickListener(mMenuItemClickListener);
// 新增介面卡
swipeRecyclerView.setAdapter(adapter);
}
private void addData() {
for (int i = 0; i < 100; i++) {
list.add("開心:" + i);
}
}
}