package com.base.baseandroid;
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import java.util.List;
public abstract class CommonAdapter extends BaseAdapter {
private Context mContext;
private List mDatas;
private int mLayoutId;
public CommonAdapter(Context context, List datas, int layoutId) {
this.mContext = context;
this.mDatas = datas;
this.mLayoutId = layoutId;
}
@Override
public int getCount() {
return mDatas.size();
}
@Override
public T getItem(int position) {
return mDatas.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder = ViewHolder.get(mContext, convertView, mLayoutId, position);
setValueForView(holder, getItem(position));
return holder.getConvertView();
}
public abstract void setValueForView(ViewHolder holder, T t);
}
package com.base.baseandroid;
import com.lidroid.xutils.BitmapUtils;
import android.content.Context;
import android.graphics.Bitmap;
import android.util.SparseArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.TextView;
public class ViewHolder {
private SparseArray mViews;
protected int mPosition;
private View mConvertView;
private Context context;
private BitmapUtils bitmapUtils;
public View getConvertView() {
return mConvertView;
}
public ViewHolder(Context context, int layoutId, int position) {
this.mPosition = position;
this.mViews = new SparseArray();
this.context = context;
bitmapUtils = new BitmapUtils(context);
mConvertView = LayoutInflater.from(context).inflate(layoutId, null);
mConvertView.setTag(this);
}
public static ViewHolder get(Context context, View convertView, int layoutId, int position) {
if (convertView == null) {
return new ViewHolder(context, layoutId, position);
} else {
ViewHolder holder = (ViewHolder) convertView.getTag();
holder.mPosition = position; // 注意:这句代码是必须的,否则复用的时候position会出错
return holder;
}
}
public T getViewById(int viewId) {
View view = mViews.get(viewId);
if (view == null) {
view = getConvertView().findViewById(viewId);
mViews.put(viewId, view);
}
return (T) view;
}
public ViewHolder setText(int viewId, String text) {
TextView textView = getViewById(viewId);
textView.setText(text);
return this;
}
public ViewHolder setImageResource(int viewId, int resId) {
ImageView p_w_picpathView = getViewById(viewId);
p_w_picpathView.setImageResource(resId);
return this;
}
public ViewHolder setImageBitmap(int viewId, Bitmap bitmap) {
ImageView p_w_picpathView = getViewById(viewId);
p_w_picpathView.setImageBitmap(bitmap);
return this;
}
public ViewHolder setImg(int viewId, String url) {
ImageView p_w_picpathView = getViewById(viewId);
bitmapUtils.display(p_w_picpathView, url);
return this;
}
public ViewHolder setImgOnClick(int viewId, OnClickListener onClickListener) {
ImageView p_w_picpathView = getViewById(viewId);
p_w_picpathView.setOnClickListener(onClickListener);
return this;
}
}
package com.base.adapter;
import java.util.List;
import android.content.Context;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Toast;
import com.base.baseandroid.CommonAdapter;
import com.base.baseandroid.ViewHolder;
import com.base.bean.CountryBean;
import com.example.baseandroid.R;
public class MyAdapter extends CommonAdapter {
private Context context;
public MyAdapter(Context context, List data, int layoutId) {
super(context, data, layoutId);
this.context = context;
}
@Override
public void setValueForView(ViewHolder holder, final CountryBean bean) {
holder.setText(R.id.tv_list_country, bean.getcCountryName());
holder.setImg(R.id.iv_list_country, bean.getFlagImage());
holder.setImgOnClick(R.id.iv_list_country, new OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(context, bean.getcCountryName(), 1).show();
}
});
}
}
当前题目:安卓封装Baseadapter
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