使用ListArray填充RecyclerView

• Z时代
• 2024-01-10
• 分类：问答

我正在使用列表数组填充我的回收站视图。我已经试过字符串数组，因为它不适合我。我做这一切都错了，或者我必须使用arrayadapter？使用ListArray填充RecyclerView

如果我不得不去阵列适配器我怎么能做到这一点？我已经用arrayadapter填充了listview，但是因为我在海洋中间，我不想尝试一些大的东西。我的recyclerview适配器的代码如下。

它不显示错误。但视图正在填充数组上的最后一个项目。

public class AudioRecycleViewAdapter extends 
RecyclerView.Adapter<RecyclerView.ViewHolder> { 
private List<String> values = Arrays.asList ("Al Feel","Al Humazah","Al 
Kausar","Al Maoon","Al Quresh","Dr Israr", 
     "Al Kafiroon","An Nasr","Al Lahab","Al Ikhlaas","Al Falaq","An 
Naas","Iman Part 1", 
     "Iman Part 2","Iman Part 3","Iman Part 4","Iman Part 5"); 
Context context; 
InterstitialAd mInterstitialAd; 
private int audiolayout; 
public TextView txtHeader; 
public TextView txtFooter; 
TextView txtarabic; 
public AudioRecycleViewAdapter(List<String> values, int audiolayout, Context context, InterstitialAd intAdView) throws IOException { 
    this.audiolayout = audiolayout; 
    this.context = context; 
    this.mInterstitialAd = intAdView; 
} 
public Context getContext() { 
    context = this.getContext(); 
    return context; 
} 
// Provide a reference to the views for each data item 
// Complex data items may need more than one view per item, and 
// you provide access to all the views for a data item in a view holder 
public class ViewHolder extends RecyclerView.ViewHolder { 
    // each data item is just a string in this case 
    public View layout; 
    public ViewHolder(View v) { 
     super(v); 
     layout = v; 
     txtHeader = (TextView) v.findViewById(R.id.audio_subtitle); 
     txtFooter = (TextView) v.findViewById(R.id.audio_title); 
     txtarabic = (TextView) v.findViewById(R.id.arabic_title); 
    } 
} 
public void add(int position, String item) { 
    values.add(position, item); 
    notifyItemInserted(position); 
} 
public void remove(int position) { 
    values.remove(position); 
    notifyItemRemoved(position); 
} 
// Create new views (invoked by the layout manager) 
@Override 
public AudioRecycleViewAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, 
               int viewType) { 
    // create a new view 
    LayoutInflater inflater = LayoutInflater.from(
      parent.getContext()); 
    View v = 
      inflater.inflate(R.layout.audio_row_layout, parent, false); 
    // set the view's size, margins, paddings and layout parameters 
    ViewHolder vh = new ViewHolder(v); 
    return vh; 
} 
@Override 
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) { 
    int x; 
    for(position =0; position < values.size(); position++) 
    { 
     txtHeader.setText(values.get(position)); 
     position++; 
    } 
} 
// Return the size of your dataset (invoked by the layout manager) 
@Override 
public int getItemCount() { 
    return values.size(); 
} 
} 

回答：

extends RecyclerView.Adapter<RecyclerView.ViewHolder> 

extends RecyclerView.Adapter<AudioRecycleViewAdapter.ViewHolder> 

@Override 
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) { 
     holder.txtHeader.setText(values.get(position)); 
} 

public class ViewHolder extends RecyclerView.ViewHolder { 
    // each data item is just a string in this case 
    public View layout; 
    public TextView txtHeader; 
    public TextView txtFooter; 
    public TextView txtarabic; 
    public ViewHolder(View v) { 
     super(v); 
     layout = v; 
     txtHeader = (TextView) v.findViewById(R.id.audio_subtitle); 
     txtFooter = (TextView) v.findViewById(R.id.audio_title); 
     txtarabic = (TextView) v.findViewById(R.id.arabic_title); 
    } 
} 

回答：

//adapter's inner 
class SomeClassViewHolder(val view: View) extends RecyclerView.ViewHolder(view) { 
    //here can be view initializing, like 
    txtHeader = (TextView) view.findViewById(R.id.audio_subtitle); 
    void bind(int position){ 
     // all view binding logic goes here, for example: 
     txtHeader.setText("someText"); 
    } 
} 
//and then in adapter 
@Override 
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) { 
     holder.bind(values.get(position)); 
} 

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