匿名项目连载(四)--->评论说说

AtyMessage

package com.jikexueyuan.secret.atys;

import java.util.List;

import com.jikexueyuan.secret.Config;
import com.jikexueyuan.secret.R;
import com.jikexueyuan.secret.net.Comment;
import com.jikexueyuan.secret.net.GetComment;
import com.jikexueyuan.secret.net.PubComment;
import com.jikexueyuan.secret.tools.MD5Tool;

import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class AtyMessage extends ListActivity{

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.aty_message);

adapter = new AtyMessageCommentListAdapter(this);
setListAdapter(adapter);

tvMessage = (TextView) findViewById(R.id.tvMessage);
etComment = (EditText) findViewById(R.id.etComment);

Intent data = getIntent();
phone_md5 = data.getStringExtra(Config.KEY_PHONE_MD5);
msg = data.getStringExtra(Config.KEY_MSG);
msgId = data.getStringExtra(Config.KEY_MSG_ID);
token = data.getStringExtra(Config.KEY_TOKEN);

tvMessage.setText(msg);
/**
* 从服务器获取该条说说的评论
*/
getComments();

findViewById(R.id.btnSendComment).setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View arg0) {
//非空判断
if (TextUtils.isEmpty(etComment.getText())) {
Toast.makeText(AtyMessage.this, R.string.comment_content_can_not_be_empty, Toast.LENGTH_LONG).show();
return;
}
//进度条提示
final ProgressDialog pd = ProgressDialog.show(AtyMessage.this, getResources().getString(R.string.connecting), getResources().getString(R.string.connecting_to_server));
/**
* 发布消息评论至服务器
*/
new PubComment(MD5Tool.md5(Config.getCachedPhoneNum(AtyMessage.this)), token, etComment.getText().toString(), msgId, new PubComment.SuccessCallback() {

@Override
public void onSuccess() {
pd.dismiss();

etComment.setText("");
//从服务器获取说说评论
getComments();
}
}, new PubComment.FailCallback() {

@Override
public void onFail(int errorCode) {
pd.dismiss();

if (errorCode==Config.RESULT_STATUS_INVALID_TOKEN) {

startActivity(new Intent(AtyMessage.this, AtyLogin.class));
finish();
}else{
Toast.makeText(AtyMessage.this, R.string.fail_to_pub_comment, Toast.LENGTH_LONG).show();
}
}
});
}
});
}
/**
* 从服务器获取说说评论
*/
private void getComments() {
//进度条提示
final ProgressDialog pd = ProgressDialog.show(this, getResources().getString(R.string.connecting), getResources().getString(R.string.connecting_to_server));
//从服务器获取消息评论
new GetComment(phone_md5, token, msgId, 1, 20, new GetComment.SuccessCallback() {

@Override
public void onSuccess(String msgId, int page, int perpage,
List<Comment> comments) {

pd.dismiss();

adapter.clear();
adapter.addAll(comments);
}
}, new GetComment.FailCallback() {

@Override
public void onFail(int errorCode) {
pd.dismiss();

if (errorCode==Config.RESULT_STATUS_INVALID_TOKEN) {
startActivity(new Intent(AtyMessage.this, AtyLogin.class));
finish();
}else{
Toast.makeText(AtyMessage.this, R.string.fail_to_get_comment, Toast.LENGTH_LONG).show();
}
}
});
}

private TextView tvMessage;
private EditText etComment;
private String phone_md5,msg,msgId,token;
private AtyMessageCommentListAdapter adapter;
}

new PubComment(phone_md5, token, content, msgId, successCallback, failCallback)的方法实现类如下

package com.jikexueyuan.secret.net;

import org.json.JSONException;
import org.json.JSONObject;

import com.jikexueyuan.secret.Config;

public class PubComment {

public PubComment(String phone_md5,String token,String content,String msgId,final SuccessCallback successCallback,final FailCallback failCallback) {
new NetConnection(Config.SERVER_URL, HttpMethod.POST, new NetConnection.SuccessCallback() {

@Override
public void onSuccess(String result) {
try {
//{\"status\":1}只返回状态值
JSONObject obj = new JSONObject(result);
switch (obj.getInt(Config.KEY_STATUS)) {
case Config.RESULT_STATUS_SUCCESS:
if (successCallback!=null) {
successCallback.onSuccess();
}
break;
case Config.RESULT_STATUS_INVALID_TOKEN:
if (failCallback!=null) {
failCallback.onFail(Config.RESULT_STATUS_INVALID_TOKEN);
}
break;
default:
if (failCallback!=null) {
failCallback.onFail(Config.RESULT_STATUS_FAIL);
}
break;
}

} catch (JSONException e) {
e.printStackTrace();

if (failCallback!=null) {
failCallback.onFail(Config.RESULT_STATUS_FAIL);
}
}
}
}, new NetConnection.FailCallback() {

@Override
public void onFail() {
if (failCallback!=null) {
failCallback.onFail(Config.RESULT_STATUS_FAIL);
}
}
}, Config.KEY_ACTION,Config.ACTION_PUB_COMMENT,
Config.KEY_TOKEN,token,
Config.KEY_PHONE_MD5,phone_md5,
Config.KEY_MSG_ID,msgId);
//action=pub_comment&token=asdasdasdsadasd&phone_md5=96e79218965eb72c92a549dd5a330112&msgId=1231234&
}

public static interface SuccessCallback{
void onSuccess();
}

public static interface FailCallback{
void onFail(int errorCode);
}
}

new GetComment(phone_md5, token, msgId, page, perpage, successCallback, failCallback)的方法实现类如下
Comment

package com.jikexueyuan.secret.net;

public class Comment {

public Comment(String content,String phone_md5) {
this.content = content;
this.phone_md5 = phone_md5;
}

private String content,phone_md5;

public String getContent() {
return content;
}

public String getPhone_md5() {
return phone_md5;
}
}

package com.jikexueyuan.secret.net;

import java.util.ArrayList;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import com.jikexueyuan.secret.Config;

public class GetComment {

public GetComment(String phone_md5,String token,String msgId,int page,int perpage,final SuccessCallback successCallback,final FailCallback failCallback) {
new NetConnection(Config.SERVER_URL, HttpMethod.POST, new NetConnection.SuccessCallback() {

@Override
public void onSuccess(String result) {
/**
* out.print("{\"status\":1,\"page\":1,\"perpage\":20,\"msgId\":\"12133\",\"comments\":["
+ "{\"content\":\"Hehe1\",\"phone_md5\":\"dasdasdbkas\"},"
+ "{\"content\":\"Hehe2\",\"phone_md5\":\"dasdasdbkas\"},"
+ "{\"content\":\"Hehe3\",\"phone_md5\":\"dasdasdbkas\"},"
+ "{\"content\":\"Hehe4\",\"phone_md5\":\"dasdasdbkas\"},"
+ "{\"content\":\"Hehe5\",\"phone_md5\":\"dasdasdbkas\"},"
+ "{\"content\":\"Hehe6\",\"phone_md5\":\"dasdasdbkas\"},"
+ "{\"content\":\"Hehe7\",\"phone_md5\":\"dasdasdbkas\"},"
+ "{\"content\":\"Hehe8\",\"phone_md5\":\"dasdasdbkas\"}"
+ "]}");
*/
try {
JSONObject jsonObject = new JSONObject(result);

switch (jsonObject.getInt(Config.KEY_STATUS)) {
case Config.RESULT_STATUS_SUCCESS:
if (successCallback!=null) {
List<Comment> comments = new ArrayList<Comment>();
JSONArray commentsJsonArray =jsonObject.getJSONArray(Config.KEY_COMMENTS);
JSONObject commentObj;
for (int i = 0; i < commentsJsonArray.length(); i++) {
commentObj = commentsJsonArray.getJSONObject(i);
comments.add(new Comment(commentObj.getString(Config.KEY_CONTENT), commentObj.getString(Config.KEY_PHONE_MD5)));
}

successCallback.onSuccess(jsonObject.getString(Config.KEY_MSG_ID), jsonObject.getInt(Config.KEY_PAGE), jsonObject.getInt(Config.KEY_PERPAGE), comments);
//							successCallback.onSuccess("123", 1, 20, comments);
}

break;
case Config.RESULT_STATUS_INVALID_TOKEN:
if (failCallback!=null) {
failCallback.onFail(Config.RESULT_STATUS_INVALID_TOKEN);
}
break;
default:
if (failCallback!=null) {
failCallback.onFail(Config.RESULT_STATUS_FAIL);
}
break;
}

} catch (JSONException e) {
e.printStackTrace();
if (failCallback!=null) {
failCallback.onFail(Config.RESULT_STATUS_FAIL);
}
}
}
}, new NetConnection.FailCallback() {

@Override
public void onFail() {
if (failCallback!=null) {
failCallback.onFail(Config.RESULT_STATUS_FAIL);
}
}
}, Config.KEY_ACTION,Config.ACTION_GET_COMMENT,
Config.KEY_TOKEN,token,
Config.KEY_MSG_ID,msgId,
Config.KEY_PAGE,page+"",
Config.KEY_PERPAGE,perpage+"");
}

public static interface SuccessCallback{
void onSuccess(String msgId,int page,int perpage,List<Comment> comments);
}

public static interface FailCallback{
void onFail(int errorCode);
}
}

获取数据完毕后，进行页面填充数据

adapter.clear();

adapter.addAll(comments);实现类如下

AtyMessageCommentListAdapter

package com.jikexueyuan.secret.atys;

import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

import com.jikexueyuan.secret.R;
import com.jikexueyuan.secret.net.Comment;

public class AtyMessageCommentListAdapter extends BaseAdapter {

public AtyMessageCommentListAdapter(Context context) {
this.context = context;
}

@Override
public int getCount() {
return comments.size();
}

@Override
public Comment getItem(int arg0) {
return comments.get(arg0);
}

@Override
public long getItemId(int arg0) {
return arg0;
}

public void addAll(List<Comment> data){
comments.addAll(data);
notifyDataSetChanged();
}

public void clear(){
comments.clear();
notifyDataSetChanged();
}

@Override
public View getView(int arg0, View convertView, ViewGroup arg2) {

if (convertView==null) {
convertView = LayoutInflater.from(getContext()).inflate(R.layout.aty_timeline_list_cell, null);
convertView.setTag(new ListCell((TextView) convertView.findViewById(R.id.tvCellLabel)));
}

ListCell lc = (ListCell) convertView.getTag();

Comment comment = getItem(arg0);

lc.getTvCellLabel().setText(comment.getContent());

return convertView;
}

private List<Comment> comments = new ArrayList<Comment>();

private Context context;

public Context getContext() {
return context;
}

private static class ListCell{

public ListCell(TextView tvCellLabel) {
this.tvCellLabel = tvCellLabel;
}

private TextView tvCellLabel;

public TextView getTvCellLabel() {
return tvCellLabel;
}
}
}