Android应用开发-小巫CSDN博客客户端之获取评论列表，安卓cpu内存监控
@Overridepublic void onClick(View v) {
System.out.println("click");
reLoadImageView.setVisibility(View.INVISIBLE);
progressBar.setVisibility(View.VISIBLE);
new MainTask().execute(Constants.DEF_TASK_TYPE.REFRESH);
}
});
backBtn = (ImageView) findViewById(R.id.backBtn);
backBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
finish();
}
});
commentTV = (TextView) findViewById(R.id.comment);
listView = (XListView) findViewById(R.id.listview);
listView.setAdapter(adapter);
listView.setPullRefreshEnable(this);
listView.setPullLoadEnable(this);
listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
}
});
}
@Override
public void finish() {
super.finish();
// 退出动画
overridePendingTransition(R.anim.push_no, R.anim.push_right_out);
}
private class MainTask extends AsyncTask<String, Void, Integer> {
@Override
protected Integer doInBackground(String... params) {
// 获得返回json字符串
String temp = HttpUtil.httpGet(URLUtil.getCommentListURL(filename,
page.getCurrentPage()));
if (temp == null) {
return Constants.DEF_RESULT_CODE.ERROR;
}
// 获得评论列表
List<Comment> list = JsoupUtil.getBlogCommentList(temp,
Integer.valueOf(page.getCurrentPage()), pageSize);
if (list.size() == 0) {
return Constants.DEF_RESULT_CODE.NO_DATA;
}
if (params.equals(Constants.DEF_TASK_TYPE.LOAD)) {
adapter.addList(list);
return Constants.DEF_RESULT_CODE.LOAD;
} else {
adapter.setList(list);
return Constants.DEF_RESULT_CODE.REFRESH;
}
}
@Override
protected void onPostExecute(Integer result) {
if (result == Constants.DEF_RESULT_CODE.ERROR) {
Toast.makeText(getApplicationContext(), "网络信号不佳",
Toast.LENGTH_SHORT).show();
listView.stopRefresh(DateUtil.getDate());
listView.stopLoadMore();
reLoadImageView.setVisibility(View.VISIBLE);
} else if (result == Constants.DEF_RESULT_CODE.NO_DATA) {
Toast.makeText(getApplicationContext(), "无更多评论",
Toast.LENGTH_SHORT).show();
listView.stopLoadMore();
listView.stopRefresh(DateUtil.getDate());
commentTV.setText("共有评论：" + commentCount);
} else if (result == Constants.DEF_RESULT_CODE.LOAD) {
page.addPage();
pageIndex++;
adapter.notifyDataSetChanged();
listView.stopLoadMore();
} else if (result == Constants.DEF_RESULT_CODE.REFRESH) {
adapter.notifyDataSetChanged();
listView.stopRefresh(DateUtil.getDate());
page.setPage(2);
commentTV.setText("共有评论：" + commentCount); // 显示评论数
}
progressBar.setVisibility(View.INVISIBLE);
super.onPostExecute(result);
}
}
// 加载更多
@Override
public void onLoadMore() {
new MainTask().execute(Constants.DEF_TASK_TYPE.LOAD);
}
// 刷新评论
@Override
public void onRefresh() {
page.setPage(1);
new MainTask().execute(Constants.DEF_TASK_TYPE.REFRESH);
}
}
/BlogClient/src/com/xiaowu/blogclient/adapter/CommentAdapter.java
package com.xiaowu.blogclient.adapter;
import java.util.ArrayList;
import java.util.List;
import android.content.Context;
import android.graphics.Bitmap;
import android.text.Html;
import android.text.SpannableStringBuilder;
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 com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.ImageScaleType;
import com.nostra13.universalimageloader.core.display.FadeInBitmapDisplayer;
import com.xiaowu.blogclient.R;
import com.xiaowu.blogclient.model.Comment;
import com.xiaowu.blogclient.util.Constants;
/**
[*]评论列表适配器
[*]
[*]@author wwj_748
[*]
*/
public class CommentAdapter extends BaseAdapter {
private ViewHolder holder;
private LayoutInflater layoutInflater;
private Context context;
private List<Comment> list;
private SpannableStringBuilder htmlSpannable;
private ImageLoader imageLoader = ImageLoader.getInstance();
private DisplayImageOptions options;
private String replyText;
public CommentAdapter(Context c) {
super();
layoutInflater = (LayoutInflater) LayoutInflater.from(c);
list = new ArrayList<Comment>();
imageLoader.init(ImageLoaderConfiguration.createDefault(c));
options = new DisplayImageOptions.Builder()
.showStubImage(R.drawable.csdn)
.showImageForEmptyUri(R.drawable.csdn)
.showImageOnFail(R.drawable.csdn)
.cacheInMemory().cacheOnDisc()
.imageScaleType(ImageScaleType.EXACTLY)
.bitmapConfig(Bitmap.Config.RGB_565)
.displayer(new FadeInBitmapDisplayer(300)).build();
}
public void setList(List<Comment> list) {
this.list = list;
}
public void addList(List<Comment> list) {
this.list.addAll(list);
}
public void clearList() {
this.list.clear();
}
public List<Comment> getList() {
return list;
}
public void removeItem(int position) {
if (list.size() > 0) {
list.remove(position);
}
}
@Override
public int getCount() {
return list.size();
}
@Override
public Object getItem(int position) {
return list.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
Comment item = list.get(position); // 获取评论项
if (null == convertView) {
holder = new ViewHolder();
switch (item.getType()) {
case Constants.DEF_COMMENT_TYPE.PARENT: // 父项
convertView = layoutInflater.inflate(R.layout.comment_item,
null);
holder.name = (TextView) convertView.findViewById(R.id.name);
holder.content = (TextView) convertView
.findViewById(R.id.content);
holder.date = (TextView) convertView.findViewById(R.id.date);
holder.reply = (TextView) convertView
.findViewById(R.id.replyCount);
holder.userface = (ImageView) convertView.findViewById(R.id.userface);
break;
case Constants.DEF_COMMENT_TYPE.CHILD: // 子项
convertView = layoutInflater.inflate(
R.layout.comment_child_item, null);
holder.name = (TextView) convertView.findViewById(R.id.name);
holder.content = (TextView) convertView
.findViewById(R.id.content);
holder.date = (TextView) convertView.findViewById(R.id.date);
break;
}
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
if (null != item) {
switch (item.getType()) {
case Constants.DEF_COMMENT_TYPE.PARENT: // 主题项
holder.name.setText(item.getUsername());
holder.content.setText(Html.fromHtml(item.getContent())); // 显示评论内容
holder.date.setText(item.getPostTime());
// holder.reply.setText(item.getReplyCount());
imageLoader.displayImage(item.getUserface(), holder.userface, options);// 显示头像
break;
case Constants.DEF_COMMENT_TYPE.CHILD: // 回复项
holder.name.setText(item.getUsername());
replyText = item.getContent().replace("", "【");
replyText = replyText.replace("", "】");
holder.content.setText(Html.fromHtml(replyText));
holder.date.setText(item.getPostTime());
break;
default:
break;
}
}
return convertView;
}
@Override
public int getViewTypeCount() {
return 2;
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