com.joanzapata.android.EnhancedQuickAdapter Maven / Gradle / Ivy
package com.joanzapata.android;
import android.content.Context;
import java.util.List;
/**
* Same as QuickAdapter, but adds an "itemChanged" boolean in the
* convert() method params, which allows you to know if you are
* adapting the new view to the same item or not, and therefore
* make a difference between dataset changed / dataset invalidated.
*
* Abstraction class of a BaseAdapter in which you only need
* to provide the convert() implementation.
* Using the provided BaseAdapterHelper, your code is minimalist.
* @param The type of the items in the list.
*/
public abstract class EnhancedQuickAdapter extends QuickAdapter {
/**
* Create a QuickAdapter.
* @param context The context.
* @param layoutResId The layout resource id of each item.
*/
public EnhancedQuickAdapter(Context context, int layoutResId) {
super(context, layoutResId);
}
/**
* Same as QuickAdapter#QuickAdapter(Context,int) but with
* some initialization data.
* @param context The context.
* @param layoutResId The layout resource id of each item.
* @param data A new list is created out of this one to avoid mutable list
*/
public EnhancedQuickAdapter(Context context, int layoutResId, List data) {
super(context, layoutResId, data);
}
@Override
protected final void convert(BaseAdapterHelper helper, T item) {
boolean itemChanged = helper.associatedObject == null || !helper.associatedObject.equals(item);
helper.associatedObject = item;
convert(helper, item, itemChanged);
}
/**
* @param helper The helper to use to adapt the view.
* @param item The item you should adapt the view to.
* @param itemChanged Whether or not the helper was bound to another object before.
*/
protected abstract void convert(BaseAdapterHelper helper, T item, boolean itemChanged);
}