Created
June 30, 2019 15:37
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Generic Recycler View Class
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import android.view.LayoutInflater; | |
import android.view.View; | |
import android.view.ViewGroup; | |
import androidx.annotation.LayoutRes; | |
import androidx.annotation.NonNull; | |
import androidx.recyclerview.widget.RecyclerView; | |
import static androidx.recyclerview.widget.RecyclerView.*; | |
public class BaseRecyclerViewAdapter<T extends ViewHolder> extends RecyclerView.Adapter<T> { | |
private BaseViewHolder.Binder<T> binder; | |
@LayoutRes | |
private int layoutRes; | |
private Class<T> parameterClass; | |
@NonNull | |
@Override | |
public T onCreateViewHolder(@NonNull ViewGroup parent, int viewType) { | |
return this.newInstance(LayoutInflater.from(parent.getContext()).inflate(layoutRes,parent,false)); | |
} | |
@Override | |
public void onBindViewHolder(@NonNull T holder, int position) { | |
binder.bindViewHolders(holder,position); | |
} | |
@Override | |
public int getItemCount() { | |
return binder.getViewHoldersCount(); | |
} | |
private T newInstance(View view) { | |
try { | |
return parameterClass.getDeclaredConstructor(View.class).newInstance(view); | |
} catch (Exception e) { | |
throw new RuntimeException(e); | |
} | |
} | |
public BaseRecyclerViewAdapter<T> addBinder(BaseViewHolder.Binder<T> binder){ | |
this.binder = binder; | |
return this; | |
} | |
public BaseRecyclerViewAdapter<T> setLayout(int LayoutRes) { | |
layoutRes = LayoutRes; | |
return this; | |
} | |
public BaseRecyclerViewAdapter<T> setViewHolder(Class<T> typeParameterClass) { | |
this.parameterClass = typeParameterClass; | |
return this; | |
} | |
} |
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