From a824b62bde75373c9b6b8d3a60b3a279895c8675 Mon Sep 17 00:00:00 2001
From: Administrator <123>
Date: Sat, 06 Nov 2021 08:17:44 +0000
Subject: [PATCH] 广场 帖子 UI
---
app/src/main/java/com/duqing/missions/base/adapter/BaseAdapter.java | 102 ++++++++++++++++++++++++++++----------------------
1 files changed, 57 insertions(+), 45 deletions(-)
diff --git a/app/src/main/java/com/duqing/missions/base/adapter/BaseAdapter.java b/app/src/main/java/com/duqing/missions/base/adapter/BaseAdapter.java
index 3f25fc8..84f958a 100644
--- a/app/src/main/java/com/duqing/missions/base/adapter/BaseAdapter.java
+++ b/app/src/main/java/com/duqing/missions/base/adapter/BaseAdapter.java
@@ -2,20 +2,17 @@
import android.graphics.drawable.Drawable;
import android.view.LayoutInflater;
-import android.view.View;
import android.view.ViewGroup;
-import androidx.annotation.LayoutRes;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import androidx.viewbinding.ViewBinding;
-import com.duqing.missions.R;
import com.duqing.missions.base.activities.BaseActivity;
-import com.duqing.missions.common.NullViewHolder;
import com.duqing.missions.databinding.LayoutNullBinding;
import com.duqing.missions.util.DeviceUtil;
+import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.util.ArrayList;
@@ -26,14 +23,14 @@
* T 数据类型
* V 适配器视图
*/
-public abstract class BaseAdapter<B extends ViewBinding,A extends BaseActivity,T> extends RecyclerView.Adapter {
+public abstract class BaseAdapter<B extends ViewBinding,T> extends RecyclerView.Adapter {
protected List<T> mData = new ArrayList<>();
protected Drawable nullDrawable;
protected String nullTxt="暂无数据";
protected String TAG = "BaseAdapter";
- protected A activity;
+ protected BaseActivity activity;
public BaseAdapter(){
}
@@ -54,48 +51,49 @@
@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
- // get genericity "B"
- Class<B> entityClass = (Class<B>) ((ParameterizedType) this.getClass().getGenericSuperclass()).getActualTypeArguments()[0];
- try {
- /* for(Method method: entityClass.getMethods()){
- StringBuilder sb = new StringBuilder();
- for(Class type : method.getParameterTypes()){
- sb.append(type.getSimpleName()+",");
- }
- Log.e(TAG,String.format("method:%s,return:%s,param:%s",method.getName(),method.getReturnType().getSimpleName(),sb.toString()));
- }*/
- Method method = entityClass.getMethod("inflate", LayoutInflater.class,ViewGroup.class,boolean.class);//get method from name "inflate";
- B vBind = (B) method.invoke(entityClass,LayoutInflater.from(parent.getContext()),parent,false);//execute method to create a objct of viewbind;
- return new ViewBindHolder(vBind);
- } catch (Exception e) {
- e.printStackTrace();
+ if(viewType == 1 ){
+ // get genericity "B"
+ Class<B> entityClass = (Class<B>) ((ParameterizedType) this.getClass().getGenericSuperclass()).getActualTypeArguments()[0];
+ try {
+ /* for(Method method: entityClass.getMethods()){
+ StringBuilder sb = new StringBuilder();
+ for(Class type : method.getParameterTypes()){
+ sb.append(type.getSimpleName()+",");
+ }
+ Log.e(TAG,String.format("method:%s,return:%s,param:%s",method.getName(),method.getReturnType().getSimpleName(),sb.toString()));
+ }*/
+ Method method = entityClass.getMethod("inflate", LayoutInflater.class,ViewGroup.class,boolean.class);//get method from name "inflate";
+ B vBind = (B) method.invoke(entityClass,LayoutInflater.from(parent.getContext()),parent,false);//execute method to create a objct of viewbind;
+ return new ViewBindHolder(vBind);
+ } catch (SecurityException e) {
+ e.printStackTrace();
+ } catch (NoSuchMethodException e) {
+ e.printStackTrace();
+ } catch (IllegalArgumentException e) {
+ e.printStackTrace();
+ } catch (IllegalAccessException e) {
+ e.printStackTrace();
+ } catch (InvocationTargetException e) {
+ Throwable t = e.getTargetException();// 获取目标异常
+ t.printStackTrace();
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
}
- return new NullViewHolder( LayoutNullBinding.inflate(LayoutInflater.from(parent.getContext())));
- }
-
- /**
- *
- * 创建视图
- * @param parent
- * @param layout 视图文件
- * @param viewType 视图类型 1 加载正常视图 其他则加载空数据
- * @return
- */
- protected View getRootView(@NonNull ViewGroup parent, @LayoutRes int layout,int viewType ){
- //MyLog.i(TAG,"getRootView viewType:"+viewType);
- return LayoutInflater.from(parent.getContext()).inflate(viewType==1?layout: R.layout.layout_null,parent,false);
+ return new NullViewHolder( LayoutNullBinding.inflate(LayoutInflater.from(parent.getContext()),parent,false));
}
@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
//MyLog.i(TAG,"onBindViewHolder position:"+position+" "+mData.size()+" "+getItemViewType(position));
- if(getItemViewType(position)==0){
- return;
+ if(activity == null){
+ activity = (BaseActivity) holder.itemView.getContext();
}
- try {
- activity = (A) holder.itemView.getContext();
- }catch (Exception e){}
- bindView((ViewBindHolder) holder,mData.size()==0?null:mData.get(position),position);
+ if(getItemViewType(position)==0){
+ bindView((NullViewHolder) holder);
+ }else {
+ bindView((ViewBindHolder) holder, mData.size() == 0 ? null : mData.get(position), position);
+ }
}
/**
@@ -127,6 +125,10 @@
protected abstract void bindView(ViewBindHolder holder,T data,int position);
+ protected void bindView(NullViewHolder holder){
+
+ }
+
@Override
public int getItemCount() {
//默认显示空视图，若不显示空视图则重写该方法，返回mData.size()
@@ -138,17 +140,27 @@
public int getItemViewType(int position) {
//当下标为0，数据集合为0 返回0（意味当前应显示空数据视图））
//MyLog.i(TAG,"getItemViewType position:"+position+" mdata:"+mData.size()+" "+(position ==0 && mData.size()==0));
- return position ==0 && mData.size()==0?0:1;
+ return position == 0 && mData.size()==0?0:1;
}
public class ViewBindHolder extends RecyclerView.ViewHolder{
-
- B binding;
-
+ public B binding;
public ViewBindHolder( B binding) {
super(binding.getRoot());
this.binding = binding;
}
}
+ /**
+ * 空数据显示
+ * Created by Administrator on 2021/10/28 0028.
+ */
+ public class NullViewHolder extends RecyclerView.ViewHolder {
+ LayoutNullBinding binding;
+
+ public NullViewHolder(LayoutNullBinding binding) {
+ super(binding.getRoot());
+ this.binding = binding;
+ }
+ }
}
--
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