RecyclerView加載一種Item顯示,往往不能滿足我們在項目中開發的需要,下面我來給大家演示一下RecyclerView如何給它添加多個佈局文件
那麼現在問題來了,這樣實現的方式有很多種,1、通過RecyclerView中的Adapter中的getItemType();進行判斷加載不的佈局屬於哪一種樣式,
通過樣式來加載,但是這兒就會寫很多的代碼,比如每一個viewHolder對應一種將被加載的佈局,這樣寫起來的缺點是,加載耗時,浪費資源
今天我採用另外一種方式呈現給大家,希望給大家帶來一定的幫助。詳情請看代碼:
<HeaderHolder extends RecyclerView.ViewHolder, HeaderTHolder
extends RecyclerView.ViewHolder, ItemHolder extends RecyclerView.ViewHolder> extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
public static int TYPE_HEAD = 0;//頭部
public static int TYPE_HEAD_TWO = 1;
public static int TYPE_ITEM = 2;
public static int TYPE_FOOT = 3;
//第三部分和第二部分的接口回調函數
public interface DetalisCallBack {
void getDetalisData(int index, int position);
}
return detalisCallBack;
}
this.detalisCallBack = detalisCallBack;
}
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
switch (viewType) {
case 0:
return onCreateHeaderViewHolder(parent, viewType);
case 1:
return onCreateHeaderTViewHolder(parent, viewType);
default:
return onCreateItemViewHolder(parent, viewType);
}
}
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
int headerCount = getHeadViewCount();
int headerTCount = getHeadTViewCount();
int itemType = getItemViewType(position);
switch (itemType) {
case 0:
onBindHeaderViewHolder((HeaderHolder) holder, position);
break;
case 1:
onBindHeaderTViewHolder((HeaderTHolder) holder, position - headerCount);
break;
case 2:
onBindItemHolderViewHolder((ItemHolder) holder, position - headerTCount - headerCount);
break;
}
}
public int getItemCount() {
return getItemViewCount() + getHeadTViewCount() + getHeadViewCount();
}
public int getItemViewType(int position) {
int headerCount = getHeadViewCount();
int headerTCount = getHeadTViewCount();
if (position < headerCount) {
return TYPE_HEAD;
}
if (position <= headerTCount) {
return TYPE_HEAD_TWO;
}
return TYPE_ITEM;
}
}
@Override
public RecyclerView.ViewHolder onCreateHeaderViewHolder(ViewGroup parent, int position) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.public_item_viewpager, null);
return new HeaderHolder(view);
}
public RecyclerView.ViewHolder onCreateHeaderTViewHolder(ViewGroup parent, int position) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.public_item_infos_two, null);
return new HeaderTHolder(view);
}
public RecyclerView.ViewHolder onCreateItemViewHolder(ViewGroup parent, final int position) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.detalis_layout_item, null);
return new ItemHolder(view);
}
public void onBindHeaderViewHolder(RecyclerView.ViewHolder holder, int position) {
HeaderHolder itemHolder = (HeaderHolder) holder;
itemHolder.PmViewPager.setAdapter(infoPageAdapter);
infoPageAdapter.UpDataUrl(dataUtils.initAdapterData(imageViews, urls, simpleDraweeViews, SimpleList, infoPageAdapter));
}
public void onBindHeaderTViewHolder(RecyclerView.ViewHolder holder, final int position) {
HeaderTHolder tHolder = (HeaderTHolder) holder;
tHolder.public_text_content.setText("訂單詳情");
tHolder.alter.setText("詳情");
tHolder.LayoutRight.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (adapter.detalisCallBack != null) {
adapter.detalisCallBack.getDetalisData(0, position);
}
}
});
}
public void onBindItemHolderViewHolder(RecyclerView.ViewHolder holder, final int position) {
ItemHolder itemHolder = (ItemHolder) holder;
itemHolder.bossName.setText(list.get(position).getClientId());
itemHolder.detalisSate.setText(list.get(position).getDetailsState());
itemHolder.detalisType.setText(list.get(position).getDetailsType());
itemHolder.detalisTime.setText(list.get(position).getOrdersTime());
itemHolder.detallisNumber.setText(list.get(position).getDetailsNumber());
itemHolder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (adapter.detalisCallBack != null) {
adapter.detalisCallBack.getDetalisData(1, position);
}
}
});
}
@Override
public int getHeadTViewCount() {
return 1;
}
public int getHeadViewCount() {
return 1;
}
public int getItemViewCount() {
return list.size();
}
};