123 lines
3.2 KiB
Java
123 lines
3.2 KiB
Java
package com.example.nanchen.aiyaschoolpush.adapter;
|
||
|
||
import android.content.Context;
|
||
import android.graphics.Bitmap;
|
||
import android.graphics.drawable.Drawable;
|
||
import android.util.SparseArray;
|
||
import android.view.LayoutInflater;
|
||
import android.view.View;
|
||
import android.view.ViewGroup;
|
||
import android.widget.ImageView;
|
||
import android.widget.TextView;
|
||
|
||
import com.squareup.picasso.Picasso;
|
||
|
||
/**
|
||
* 万能适配器的ViewHolder
|
||
*
|
||
* @author nanchen
|
||
* @date 2016-07-29 15:04:10
|
||
*/
|
||
public class ViewHolder {
|
||
|
||
//现在对于int作为键的官方推荐用SparseArray替代HashMap
|
||
private final SparseArray<View> views;
|
||
private View convertView;
|
||
private Context context;
|
||
|
||
private ViewHolder(Context context,ViewGroup parent,int itemLayoutId,int position) {
|
||
this.context = context;
|
||
this.views = new SparseArray<>();
|
||
this.convertView = LayoutInflater.from(context).inflate(itemLayoutId,parent,false);
|
||
convertView.setTag(this);
|
||
}
|
||
|
||
/**
|
||
* 拿到一个ViewHolder对象
|
||
*/
|
||
public static ViewHolder get(Context context,View convertView, ViewGroup parent, int layoutId, int position) {
|
||
if (convertView == null) {
|
||
return new ViewHolder(context,parent, layoutId, position);
|
||
}
|
||
return (ViewHolder) convertView.getTag();
|
||
}
|
||
|
||
/**
|
||
* 通过控件的Id获取对于的控件，如果没有则加入views
|
||
*/
|
||
public <T extends View> T getView(int viewId) {
|
||
View view = views.get(viewId);
|
||
if (view == null) {
|
||
view = convertView.findViewById(viewId);
|
||
views.put(viewId, view);
|
||
}
|
||
return (T) view;
|
||
}
|
||
|
||
public View getConvertView() {
|
||
return convertView;
|
||
}
|
||
|
||
/**
|
||
* 设置字符串
|
||
*/
|
||
public ViewHolder setText(int viewId,String text){
|
||
TextView tv = getView(viewId);
|
||
tv.setText(text);
|
||
return this;
|
||
}
|
||
|
||
public ViewHolder setText(int viewId,CharSequence text){
|
||
TextView tv = getView(viewId);
|
||
tv.setText(text);
|
||
return this;
|
||
}
|
||
|
||
|
||
/**
|
||
* 设置图片
|
||
*/
|
||
public ViewHolder setImageResource(int viewId,int drawableId){
|
||
ImageView iv = getView(viewId);
|
||
iv.setImageResource(drawableId);
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置图片
|
||
*/
|
||
public ViewHolder setImageDrawable(int viewId, Drawable drawable){
|
||
ImageView iv = getView(viewId);
|
||
iv.setImageDrawable(drawable);
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置图片
|
||
*/
|
||
public ViewHolder setImageBitmap(int viewId, Bitmap bitmap){
|
||
ImageView iv = getView(viewId);
|
||
iv.setImageBitmap(bitmap);
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置图片
|
||
*/
|
||
public ViewHolder setImageByUrl(int viewId,String url){
|
||
Picasso.with(context).load(url).into((ImageView) getView(viewId));
|
||
// ImageLoader.getInstance().init(ImageLoaderConfiguration.createDefault(context));
|
||
// ImageLoader.getInstance().displayImage(url, (ImageView) getView(viewId));
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置文本颜色
|
||
*/
|
||
public ViewHolder setTextColor(int viewId,int color){
|
||
TextView textView = getView(viewId);
|
||
textView.setTextColor(color);
|
||
return this;
|
||
}
|
||
}
|