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RecyclerAdapter.java
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RecyclerAdapter.java
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package in.myinnos.swiggyanimation;
import android.annotation.SuppressLint;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import java.util.List;
import butterknife.BindView;
import butterknife.ButterKnife;
public class RecyclerAdapter extends RecyclerView.Adapter<RecyclerAdapter.ViewHolder> {
private Context context;
private List<DataModel> foodList;
private DataModel food;
RecyclerAdapter(Context context, List<DataModel> foodList) {
this.context = context;
this.foodList = foodList;
}
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View view = LayoutInflater.from(context).inflate(R.layout.list_item, viewGroup, false);
return new ViewHolder(view);
}
@SuppressLint("SetTextI18n")
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, int i) {
food = foodList.get(i);
holder.txCategory.setText(food.getCategory());
holder.tvTitle.setText(food.getTitle());
holder.txOffer.setText(food.getOffer());
}
@Override
public int getItemCount() {
return foodList.size();
}
class ViewHolder extends RecyclerView.ViewHolder {
@BindView(R.id.imOffer)
ImageView imOffer;
@BindView(R.id.tvTitle)
TextView tvTitle;
@BindView(R.id.txCategory)
TextView txCategory;
@BindView(R.id.txOffer)
TextView txOffer;
ViewHolder(@NonNull View itemView) {
super(itemView);
ButterKnife.bind(this, itemView);
}
}
void recyclerViewScrolled(RecyclerView recyclerView, int scrollAmount) {
RecyclerAdapter.ViewHolder holder = null;
int starPos = ((LinearLayoutManager) recyclerView.getLayoutManager()).findFirstVisibleItemPosition();
int lastPos = ((LinearLayoutManager) recyclerView.getLayoutManager()).findLastVisibleItemPosition();
if (starPos <= lastPos) {
while (true) {
holder = (RecyclerAdapter.ViewHolder) recyclerView.findViewHolderForLayoutPosition(starPos);
if (holder != null) {
holder.imOffer.setRotation(holder.imOffer.getRotation() + (float) scrollAmount);
}
if (starPos == lastPos) {
break;
}
++starPos;
}
}
}
}