我正在尝试将我的应用从listview升级到recyclerview。当我使用listview时,我使用this tutorial在列表视图中嵌入了广告。
我无法在recyclerview中类似地添加它。有关如何在Recyclerview中完成此操作的任何观点?
目前在我的列表视图中,加载广告的代码如下所示:
if ((position % k) == 0) {
if (convertView instanceof AdView) {
return convertView;
} else {
// Create a new AdView
AdView adView = new AdView(activity, AdSize.BANNER,
ADMOB_ID);
float density = activity.getResources().getDisplayMetrics().density;
int height = Math.round(AdSize.BANNER.getHeight() * density);
AbsListView.LayoutParams params = new AbsListView.LayoutParams(
AbsListView.LayoutParams.FILL_PARENT,
height);
adView.setLayoutParams(params);
adView.loadAd(new AdRequest());
return adView;
}
} else {
return delegate.getView(position - (int) Math.ceil(position / k) - 1,
convertView, parent);
}
这就是它的外观:
更新: 请参阅谷歌的this video,它会给出完整的解释
答案 0 :(得分:41)
在适配器中,首先需要覆盖getItemViewType,例如:
@Override
public int getItemViewType(int position)
{
if (position % 5 == 0)
return AD_TYPE;
return CONTENT_TYPE;
}
然后在onCreateViewHolder中,根据类型膨胀不同的视图。像这样:
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType)
{
View v = null;
if (viewType == AD_TYPE)
{
v = new AdView(activity, AdSize.BANNER, ADMOB_ID);
float density = activity.getResources().getDisplayMetrics().density;
int height = Math.round(AdSize.BANNER.getHeight() * density);
AbsListView.LayoutParams params = new AbsListView.LayoutParams(AbsListView.LayoutParams.FILL_PARENT,height);
v.setLayoutParams(params);
v.loadAd(new AdRequest());
}
else
v = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.list_item_layout, viewGroup, false);
RecyclerView.ViewHolder viewHolder = new RecyclerView.ViewHolder(v);
return viewHolder;
}
答案 1 :(得分:24)
如何添加广告投放列表商品和不要跳过内容商品和不要将空商品插入内容列表?
private static final int LIST_AD_DELTA = 3;
private static final int CONTENT = 0;
private static final int AD = 1;
@Override
public int getItemViewType(int position) {
if (position > 0 && position % LIST_AD_DELTA == 0) {
return AD;
}
return CONTENT;
}
@Override
public BaseRecyclerHolder onCreateViewHolder(ViewGroup parent, int viewType) {
if (viewType == CONTENT) {
return new ContentRecyclerHolder(parent, layoutId) {
@Override
protected void onCardClick(CardView card) {
fragmentManager.showPagerFragmentWithTransition(card.getContext(), getRealPosition(getAdapterPosition()));
}
};
} else {
return new AdRecyclerHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_ad, parent, false));
}
}
@Override
public int getItemCount() {
int additionalContent = 0;
if (data.size() > 0 && LIST_AD_DELTA > 0 && data.size() > LIST_AD_DELTA) {
additionalContent = data.size() / LIST_AD_DELTA;
}
return data.size() + additionalContent;
}
@Override
public void onBindViewHolder(BaseRecyclerHolder baseHolder, int position) {
if (getItemViewType(position) == CONTENT) {
ContentRecyclerHolder holder = (ContentRecyclerHolder) baseHolder;
Content content = data.get(getRealPosition(position));
} else {
AdRecyclerHolder holder = (AdRecyclerHolder) baseHolder;
holder.adView.loadAd();
}
}
private int getRealPosition(int position) {
if (LIST_AD_DELTA == 0) {
return position;
} else {
return position - position / LIST_AD_DELTA;
}
}
答案 2 :(得分:16)
在您的ArrayList中,将空值添加到您想要展示广告的位置
for(int i=0;i<arr.size();i++){
if(i%5==0)
{
alist.add(null);
}
alist.add(arr.get(i));
}
然后在getItemViewType(),
中 @Override
public int getItemViewType(int position) {
if(qlist.get(position)==null)
return AD_TYPE;
return CONTENT_TYPE;
}
然后,
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = null;
ViewHolder vh=null;
if (viewType == AD_TYPE)
{
v=inflater.inflate(R.layout.adview_item, parent, false);
vh=new AdviewHolder(v);
}
else {
v = inflater.inflate(R.layout.cardview_items, parent, false);
vh = new ContentViewHolder(v);
}
return vh;
}
这不会跳过任何项目,但会将广告插入所需的位置。
答案 3 :(得分:4)
Google 提供了用于在RecycleView
中实施横幅广告的代码。
您可以从GITHUB获得它:https://github.com/googlesamples/android-ads/tree/master/advanced/BannerRecyclerViewExample
答案 4 :(得分:2)
我正在对gson转换器进行翻新,需要每5个项目显示一次广告。通过首先使用答案,我对项目的位置不正确。因此,我已将自定义值插入json响应中的每个第5个元素。
call.enqueue(new Callback<List<DataModel>>() {
@Override
public void onResponse(Call<List<DataModel>> call, Response<List<DataModel>> response) {
if (response.body() != null) {
List<DataModel> list_Data = response.body();
List<DataModel> list_ad_Data = new ArrayList<>();
for (int i = 0; i < list_Data.size(); i++) {
if (i %5 == 0 ){
list_ad_Data.add(null);
}
list_ad_Data.add(list_Data.get(i));
}
adapter = new HomeAdapter(getActivity(), list_ad_Data);
在我的适配器中。我已经根据
更改了视图类型@Override
public int getItemViewType(int position) {
if (list_data.get(position) == null) {
return AD;
}
return CONTENT;
}
更改视图类型已在以上答案中提及。希望对将来的读者有所帮助。
答案 5 :(得分:0)
通过这样的数据绑定更容易加载广告:
@BindingAdapter({"bind:loadAds"})
public static void loadAds(AdView adView, boolean load) {
AdRequest adRequest = new AdRequest.Builder().build();
adView.loadAd(adRequest);
}
然后在xml中将其添加到adView
app:loadAds='@{true}'
像这样:
<com.google.android.gms.ads.AdView
android:id="@+id/adView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
ads:adSize="BANNER"
ads:adUnitId="ca-app-pub-3940256099942544/6300978111"
app:loadAds='@{true}'
/>