Java 如何从position adapter RecyclerView获取值

Java 如何从position adapter RecyclerView获取值,java,android,android-recyclerview,Java,Android,Android Recyclerview,我有两个数据项,其中的数据具有不同的id。当我单击单选按钮,然后按位置获取id时 示例:我有2个数据项,第一个id是57,第二个id是59。当我点击第一个数据时,它必须得到57的值,或者当我点击第二个数据时,它必须得到59的值 private String convertAddressID; private int previousSelected = -1; private boolean isRadioChecked; @Override public void onBindViewHol

我有两个数据项,其中的数据具有不同的id。当我单击单选按钮,然后按位置获取id时

示例:我有2个数据项,第一个id是57,第二个id是59。当我点击第一个数据时,它必须得到57的值,或者当我点击第二个数据时,它必须得到59的值

private String convertAddressID;
private int previousSelected = -1;
private boolean isRadioChecked;

@Override
public void onBindViewHolder(@NonNull final ViewHolder holder, final int position) {
    ModelGetAddress adapterAddress = modelGetAddressList.get(position);

    convertAddressID = String.valueOf(adapterAddress.getId());
}

public class ViewHolder extends RecyclerView.ViewHolder {
    private RadioButton radioButton;

    public ViewHolder(@NonNull View itemView) {
        super(itemView);

        radioButton = itemView.findViewById(R.id.radioButton);

        radioButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                previousSelected = getAdapterPosition();
                notifyItemRangeChanged(0, modelGetAddressList.size());

                Toast.makeText(getContext, convertAddressID, Toast.LENGTH_SHORT).show();
            }
        });
    }
}

您可以在onBindViewHolder中设置onClickListener,该位置始终位于该位置。调用ViewHolder类中的findViewById。 尝试以下类似我的(未测试)代码:

@凌驾 public void onBindViewHolder(@NonNull final ViewHolder,final int position){ ModelGetAddress adapterAddress=modelGetAddressList.get(位置)

@Override
public void onBindViewHolder(@NonNull final ViewHolder holder, final int position) {
    ((ViewHolder)holder).button.setOnClickListener(...)
}
 public class ViewHolder extends RecyclerView.ViewHolder {
        Button button;

        ViewHolderContent(@NonNull View itemView) {
            super(itemView);
            button= itemView.findViewById(R.id.button);
        }
    }
    convertAddressID = String.valueOf(adapterAddress.getId());
}

public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener{
    private RadioButton radioButton;

    public ViewHolder(@NonNull View itemView) {
        super(itemView);

        radioButton = itemView.findViewById(R.id.radioButton);
        itemView.setOnClickListener(this);


    }

    @Override
    public void onClick(View view) {
        int position=getAdapterPosition();
        Toast.makeText(conext, ""+modelGetAddressList.get(position).getId(), Toast.LENGTH_SHORT).show();

    }
}