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Java Source Code
package com.siu.android.volleyball.samples.adapter;
//www.java2s.comimport android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
/**
* An implementation of {@link android.widget.BaseAdapter} which uses the new/bind pattern for its views.
*/publicabstractclass BindableAdapter<T> extends BaseAdapter {
privatefinal Context context;
privatefinal LayoutInflater inflater;
public BindableAdapter(Context context) {
this.context = context;
this.inflater = LayoutInflater.from(context);
}
public Context getContext() {
return context;
}
@Override
publicabstract T getItem(int position);
@Override
publicfinal View getView(int position, View view, ViewGroup container) {
if (view == null) {
view = newView(inflater, position, container);
if (view == null) {
thrownew IllegalStateException("newView result must not be null.");
}
}
bindView(getItem(position), position, view);
return view;
}
/**
* Create a new instance of a view for the specified position.
*/publicabstract View newView(LayoutInflater inflater, int position, ViewGroup container);
/**
* Bind the data for the specified {@code position} to the view.
*/publicabstractvoid bindView(T item, int position, View view);
@Override
publicfinal View getDropDownView(int position, View view, ViewGroup container) {
if (view == null) {
view = newDropDownView(inflater, position, container);
if (view == null) {
thrownew IllegalStateException("newDropDownView result must not be null.");
}
}
bindDropDownView(getItem(position), position, view);
return view;
}
/**
* Create a new instance of a drop-down view for the specified position.
*/public View newDropDownView(LayoutInflater inflater, int position, ViewGroup container) {
return newView(inflater, position, container);
}
/**
* Bind the data for the specified {@code position} to the drop-down view.
*/publicvoid bindDropDownView(T item, int position, View view) {
bindView(item, position, view);
}
}