网络获取图片及设置圆角

package com.kj.adapter;

import java.util.List;

import com.google.android.gms.internal.el;

import com.kj.entity.Topic;

import com.kj.huanxin.MessageAdapter.ViewHolder;

import com.kj.seeyou3.R;

import com.kj.util.CharArray;

import com.kj.util.Constants;

import com.kj.util.ImageHelper;

import com.kj.util.howTimeAgo;

import com.lidroid.xutils.BitmapUtils;

import com.lidroid.xutils.ViewUtils;

import com.lidroid.xutils.view.annotation.ViewInject;

import com.squareup.picasso.Picasso;

import com.squareup.picasso.Transformation;

import android.content.Context;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.BitmapShader;

import android.graphics.Canvas;

import android.graphics.Paint;

import android.os.AsyncTask;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.ImageView;

import android.widget.TextView;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.util.EntityUtils;

/**

*

* @file_name: MoodAdapter.java

* @function：心情适配器

* @author: moshangpiaoxue

* @date: 2015-10-16

* @time: 上午11:36:24

*/

public class MoodAdapter extends BaseAdapter {

List<Topic> topicLists;

Context mContext;

BitmapUtils bitmapUtils;

public MoodAdapter(List<Topic> topicLists, Context mContext) {

super();

this.topicLists = topicLists;

this.mContext = mContext;

bitmapUtils =new BitmapUtils(mContext);

}

@Override

public int getCount() {

if (topicLists==null) {

return 0;

}

return topicLists.size();

}

@Override

public Topic getItem(int position) {

return topicLists.get(position);

}

@Override

public long getItemId(int position) {

return position;

}

@Override

public View getView(int position, View convertView, ViewGroup parent) {

ViewHolder holder =null;

if (convertView==null) {

holder = new ViewHolder();

convertView = LayoutInflater.from(mContext).inflate(R.layout.fragment_mood_itme, null);

ViewUtils.inject(holder, convertView);

convertView.setTag(holder);

}else{

holder = (ViewHolder) convertView.getTag();

}

Topic topic =topicLists.get(position);

holder.tv_Name.setText(topic.getNick());

// holder.tv_Say.setTextColor()

holder.tv_Say.setText(""+topic.getTxt());

holder.tv_dizhi.setText(topic.getCity());

String time = topic.getTime();

holder.tv_Time.setText(howTimeAgo.getStandardDate(time));

holder.tv_dianzan.setText(topic.getPraise());

holder.tv_shaoucang.setText(topic.getPlnum());

holder.tv_Tag.setText(CharArray.flag[Integer.parseInt(topic.getFlag())]);

if (topic.getSex().equals("0")) {

holder.iv_Sex.setImageResource(R.drawable.nv1);

}else if (topic.getSex().equals("1")){

holder.iv_Sex.setImageResource(R.drawable.nan1);

}

// bitmapUtils.display(holder.iv_TouXiang, Constants.PIC_URL+topic.getIcon());

// bitmapUtils.display(holder.iv_PIC, Constants.PIC_URL+topic.getSrc());

Picasso.with(mContext).load(Constants.PIC_URL+topic.getSrc()).into(holder.iv_PIC);

Picasso.with(mContext).load(Constants.PIC_URL+topic.getIcon()).transform(new CircleTransform()).into(holder.iv_TouXiang);

// new MyTask(holder).execute(Constants.PIC_URL+topic.getIcon());

return convertView;

}

public class CircleTransform implements Transformation {

@Override

public Bitmap transform(Bitmap source) {

int size = Math.min(source.getWidth(), source.getHeight());

int x = (source.getWidth() - size) / 2;

int y = (source.getHeight() - size) / 2;

Bitmap squaredBitmap = Bitmap.createBitmap(source, x, y, size, size);

if (squaredBitmap != source) {

source.recycle();

}

Bitmap bitmap = Bitmap.createBitmap(size, size, source.getConfig());

Canvas canvas = new Canvas(bitmap);

Paint paint = new Paint();

BitmapShader shader = new BitmapShader(squaredBitmap,

BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP);

paint.setShader(shader);

paint.setAntiAlias(true);

float r = size / 2f;

canvas.drawCircle(r, r, r, paint);

squaredBitmap.recycle();

return bitmap;

}

@Override

public String key() {

return "circle";

}

}

// 以String类型的参数，Void表示没有进度信息，Bitmap表示异步任务返回一个位图

public class MyTask extends AsyncTask<String, Void, Bitmap> {

ViewHolder viewholder;

public MyTask(ViewHolder viewholder){

this.viewholder = viewholder;

}

// 表示任务执行之前的操作

//主要是完成耗时操作

@Override

protected Bitmap doInBackground(String... params) {

HttpClient httpClient=new DefaultHttpClient();

HttpGet httpGet=new HttpGet(params[0]);

Bitmap bitmap=null;

try {

//从网络上下载图片

HttpResponse httpResponse =httpClient.execute(httpGet);

if(httpResponse.getStatusLine().getStatusCode()==200){

HttpEntity httpEntity = httpResponse.getEntity();

byte[] data=EntityUtils.toByteArray(httpEntity);

bitmap=BitmapFactory.decodeByteArray(data, 0, data.length);

}

} catch (Exception e) {

e.printStackTrace();

}

return bitmap;

}

//完成更新UI操作

@Override

protected void onPostExecute(Bitmap result) {

// TODO Auto-generated method stub

super.onPostExecute(result);

if (result!=null) {

//设置ImageView的显示图片

viewholder.iv_TouXiang.setImageBitmap(ImageHelper.toRoundBitmap(result));

}else {

viewholder.iv_TouXiang.setImageResource(R.drawable.head);

}

}

}

class ViewHolder{

@ViewInject(R.id.iv_TouXiang)ImageView iv_TouXiang;

@ViewInject(R.id.iv_PIC)ImageView iv_PIC;

@ViewInject(R.id.iv_Sex)ImageView iv_Sex;

@ViewInject(R.id.tv_Name)TextView tv_Name;

@ViewInject(R.id.tv_Tag)TextView tv_Tag;

@ViewInject(R.id.tv_Time)TextView tv_Time;

@ViewInject(R.id.tv_Say)TextView tv_Say;

@ViewInject(R.id.tv_dizhi)TextView tv_dizhi;

@ViewInject(R.id.tv_dianzan)TextView tv_dianzan;

@ViewInject(R.id.tv_shaoucang)TextView tv_shaoucang;

}

}