我有2個錯誤,你能幫我解決它們嗎?recyclerview適配器匿名arraylist錯誤
這個錯誤主要活動
這是代碼
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_recycler_view);
//first recycler
mRecyclerView = (RecyclerView) findViewById(R.id.my_recycler_view);
mRecyclerView.setHasFixedSize(true);
mRecyclerView.setLayoutManager(
new LinearLayoutManager(this,LinearLayoutManager.HORIZONTAL, false));
OkHttpHandler handler = new OkHttpHandler(this, new OkHttpHandler.MyInterface() {
@Override
public void myMethod(ArrayList result) {
mAdapter = new MyAdapter(result,this);
mAdapter.notifyDataSetChanged();
mRecyclerView.setAdapter(mAdapter);
// GridViewAdapter adapter = new GridViewAdapter(getApplicationContext(), R.layout.grid_item_layout, result);
// adapter.notifyDataSetChanged();
// mGridView.setAdapter(adapter);
}
});
這裏第二個錯誤在我的適配器
// viewHolder.txtHeader.setText(...)
final Listitem item;
// final String name = mDataset.get(position);
item = mDataset.get(position);
viewHolder.txtHeader.setText(mDataset.get(position));
這是完整的代碼
public class MyAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
private ArrayList<Listitem> mDataset;
Context mContext;
public class ImageViewHolder extends RecyclerView.ViewHolder {
//ImageView mImage;
public TextView txtHeader;
public TextView txtFooter;
public ImageViewHolder(View itemView) {
super (itemView);
txtHeader = (TextView) itemView.findViewById(R.id.firstLine);
txtFooter = (TextView) itemView.findViewById(R.id.secondLine);
}
}
public void add(int position, Listitem item) { //changed from string to listitem
mDataset.add(position, item);
notifyItemInserted(position);
}
public void remove(String item) {
int position = mDataset.indexOf(item);
mDataset.remove(position);
notifyItemRemoved(position);
}
// Provide a suitable constructor (depends on the kind of dataset)
public MyAdapter(ArrayList<Listitem> myDataset, Context context) {
mDataset = myDataset;
mContext = context;
}
// Create new views (invoked by the layout manager)
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent,
int viewType) {
// create a new view
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.rowlayout, parent, false);
// set the view's size, margins, paddings and layout parameters
ImageViewHolder vh = new ImageViewHolder(v);
return vh;
}
private static final int TYPE_IMAGE = 1;
private static final int TYPE_GROUP = 2;
@Override
public int getItemViewType(int position) {
// here your custom logic to choose the view type
return position;
}
// Replace the contents of a view (invoked by the layout manager)
@Override
public void onBindViewHolder(RecyclerView.ViewHolder TextViewHolder, int position) {
ImageViewHolder viewHolder = (ImageViewHolder) TextViewHolder;
// viewHolder.txtHeader.setText(...)
final Listitem item;
// final String name = mDataset.get(position);
item = mDataset.get(position);
viewHolder.txtHeader.setText(mDataset.get(position));
/* viewHolder.txtFooter.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
remove(item);
}
});*/
// viewHolder.txtFooter.setText("Footer: " + mDataset.get(position));
}
// Return the size of your dataset (invoked by the layout manager)
@Override
public int getItemCount() {
return mDataset.size();
}
}
列表項
public class Listitem implements Parcelable {
String id;
//String name;
String url;
Listitem (Parcel in){
this.id = in.readString();
// this.name = in.readString();
this.url = in.readString();
}
Listitem(String name,String url) {
this.id = id;
this.url = url;
}
@Override
public int describeContents() {
return 0;
}
public void setUrl(String url) {
this.url = url;
}
public String getUrl() {
return url;
}
public void setId(String id) {
this.id = id;
}
public String getId() {
return id;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeString(this.id);
// dest.writeString(this.name);
dest.writeString(this.url);
}
public static final Parcelable.Creator<Listitem> CREATOR = new Parcelable.Creator<Listitem>() {
public Listitem createFromParcel(Parcel in) {
return new Listitem(in);
}
public Listitem[] newArray(int size) {
return new Listitem[size];
}
};
}
什麼是第二個錯誤? –