Android腾讯微薄客户端开发十三:提及篇（与我有关的微博）

Java代码



public class ReferActivity extends ListActivity implements OnItemClickListener,OnItemLongClickListener{

private DataHelper dataHelper;

private UserInfo user;

private MyWeiboSync weibo;

private ListView listView;

private ReferAdapter adapter;

private JSONArray array;

private AsyncImageLoader asyncImageLoader;

private Handler handler;

private ProgressDialog progressDialog;

private View top_panel;

private Button top_btn_left;

private Button top_btn_right;

private TextView top_title;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.refer);

setUpViews();

setUpListeners();

dataHelper = DataBaseContext.getInstance(getApplicationContext());

weibo = WeiboContext.getInstance();

List<UserInfo> userList = dataHelper.GetUserList(false);

SharedPreferences preferences = getSharedPreferences("default_user",Activity.MODE_PRIVATE);

String nick = preferences.getString("user_default_nick", "");

if (nick != "") {

user = dataHelper.getUserByName(nick,userList);

top_title.setText("提到我的");//顶部工具栏名称

}

/*weibo.setAccessTokenKey(user.getToken());

weibo.setAccessTokenSecrect(user.getTokenSecret());*/

progressDialog = new ProgressDialog(ReferActivity.this);// 生成一个进度条

progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);

progressDialog.setTitle("请稍等");

progressDialog.setMessage("正在读取数据中!");

handler = new GetReferHandler();

new GetReferThread().start();//耗时操作,开启一个新线程获取数据

progressDialog.show();

}

private void setUpViews(){

listView = getListView();

top_panel = (View)findViewById(R.id.refer_top);

top_btn_left = (Button)top_panel.findViewById(R.id.top_btn_left);

top_btn_right = (Button)top_panel.findViewById(R.id.top_btn_right);

top_title = (TextView)top_panel.findViewById(R.id.top_title);

}

private void setUpListeners(){

listView.setOnItemClickListener(this);

listView.setOnItemLongClickListener(this);

}

class GetReferHandler extends Handler {

@Override

public void handleMessage(Message msg) {

if(array!=null){

adapter = new ReferAdapter(ReferActivity.this, array);

listView.setAdapter(adapter);

}

progressDialog.dismiss();// 关闭进度条

}

}

class GetReferThread extends Thread {

@Override

public void run() {

String jsonStr = weibo.getRefers(weibo.getAccessTokenKey(), weibo.getAccessTokenSecrect(), PageFlag.PageFlag_First, 0, 20, 0);

try {

JSONObject dataObj = new JSONObject(jsonStr).getJSONObject("data");

if(dataObj!=null){

array = dataObj.getJSONArray("info");

}

} catch (JSONException e) {

e.printStackTrace();

}

Message msg = handler.obtainMessage();

handler.sendMessage(msg);

}

}

class ReferAdapter extends BaseAdapter {

private Context context;

private LayoutInflater inflater;

private JSONArray array;

public ReferAdapter(Context context, JSONArray array) {

super();

this.context = context;

this.array = array;

this.inflater = LayoutInflater.from(context);

}

@Override

public int getCount() {

return array.length();

}

@Override

public Object getItem(int position) {

return array.opt(position);

}

@Override

public long getItemId(int position) {

return position;

}

@Override

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

asyncImageLoader = new AsyncImageLoader();

ReferViewHolder viewHolder = new ReferViewHolder();

JSONObject data = (JSONObject)array.opt(position);

JSONObject source = null;

convertView = inflater.inflate(R.layout.refer_list_item, null);

try {

source = data.getJSONObject("source");

} catch (JSONException e1) {

e1.printStackTrace();

}

viewHolder.refer_headicon = (ImageView) convertView.findViewById(R.id.refer_headicon);

viewHolder.refer_nick = (TextView) convertView.findViewById(R.id.refer_nick);

viewHolder.refer_hasimage = (ImageView) convertView.findViewById(R.id.refer_hasimage);

viewHolder.refer_timestamp = (TextView) convertView.findViewById(R.id.refer_timestamp);

viewHolder.refer_origtext = (TextView) convertView.findViewById(R.id.refer_origtext);

viewHolder.refer_source = (TextView) convertView.findViewById(R.id.refer_source);

if(data!=null){

try {

convertView.setTag(data.get("id"));

viewHolder.refer_nick.setText(data.getString("nick"));

viewHolder.refer_timestamp.setText(TimeUtil.converTime(Long.parseLong(data.getString("timestamp"))));

viewHolder.refer_origtext.setText(data.getString("origtext"), TextView.BufferType.SPANNABLE);

if(source!=null){

viewHolder.refer_source.setText(source.getString("nick")+":"+source.getString("origtext"));

viewHolder.refer_source.setBackgroundResource(R.drawable.source_bg);

}

//异步加载图片

Drawable cachedImage = asyncImageLoader.loadDrawable(data.getString("head")+"/100",viewHolder.refer_headicon, new ImageCallback(){

@Override

public void imageLoaded(Drawable imageDrawable,ImageView imageView, String imageUrl) {

imageView.setImageDrawable(imageDrawable);

}

});

if (cachedImage == null) {

viewHolder.refer_headicon.setImageResource(R.drawable.icon);

} else {

viewHolder.refer_headicon.setImageDrawable(cachedImage);

}

if(data.getJSONArray("image")!=null){

viewHolder.refer_hasimage.setImageResource(R.drawable.hasimage);

}

} catch (JSONException e) {

e.printStackTrace();

} catch (Exception e) {

e.printStackTrace();

}

}

return convertView;

}

}

static class ReferViewHolder {

private ImageView refer_headicon;

private TextView refer_nick;

private TextView refer_timestamp;

private TextView refer_origtext;

private TextView refer_source;

private ImageView refer_hasimage;

}

@Override

public boolean onItemLongClick(AdapterView<?> arg0, View arg1, int position,long arg3) {

CharSequence [] items = null;

try {

items= new CharSequence[]{"转播","对话","点评","收藏",((JSONObject)array.opt(position)).getString("nick"),"取消"};

} catch (JSONException e) {

e.printStackTrace();

}

new AlertDialog.Builder(ReferActivity.this).setTitle("选项").setItems(items,new DialogInterface.OnClickListener() {

@Override

public void onClick(DialogInterface dialog, int which) {

switch (which) {

case 0: {

}

break;

case 1: {

}

break;

case 2: {

}

break;

case 3: {

}

break;

case 4: {

}

break;

case 5: {

}

break;

default:

break;

}

}

}).show();

return false;

}

@Override

public void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) {

JSONObject weiboInfo = (JSONObject)array.opt(position);

Intent intent = new Intent(ReferActivity.this, WeiboDetailActivity.class);

try {

intent.putExtra("weiboid", weiboInfo.getString("id"));

startActivity(intent);

} catch (JSONException e) {

e.printStackTrace();

}

}

}

Java代码



<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:background="#ffffffff" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent">

<include android:id="@+id/refer_top" layout="@layout/top_panel" android:layout_alignParentTop="true"/>

<ListView android:layout_below="@id/refer_top" android:id="@id/android:list" android:layout_width="fill_parent" android:cacheColorHint="#00000000"

android:layout_height="wrap_content" android:layout_weight="1" android:divider="@drawable/list_divider"/>

</RelativeLayout>

Java代码



<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:paddingTop="3.0dip" android:orientation="horizontal" android:background="@drawable/listitem_selector" android:layout_width="fill_parent" android:layout_height="wrap_content">

<RelativeLayout android:layout_width="50.0dip" android:layout_height="50.0dip" android:layout_weight="0.0">

<ImageView android:id="@+id/refer_headicon" android:layout_width="45.0dip" android:layout_height="45.0dip" android:scaleType="fitCenter" android:layout_centerInParent="true" />

</RelativeLayout>

<RelativeLayout android:orientation="vertical" android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="4.0dip" android:layout_weight="1.0">

<TextView android:id="@+id/refer_nick" android:textColor="#000000" android:layout_width="wrap_content" android:layout_height="32.0dip" android:textSize="14.0sp" android:layout_alignParentLeft="true"/>

<TextView android:id="@+id/refer_timestamp" android:textColor="#ff000000" android:layout_width="wrap_content" android:layout_height="32.0dip" android:textSize="8.0sp" android:layout_alignParentRight="true"/>

<ImageView android:id="@+id/refer_hasimage" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_toLeftOf="@id/refer_timestamp"/>

<TextView android:id="@+id/refer_origtext" android:textColor="#081008" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="12.0sp" android:layout_below="@id/refer_nick"/>

<TextView android:layout_marginLeft="6.0dip" android:id="@+id/refer_source" android:textColor="#101810" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="10.0sp" android:layout_below="@id/refer_origtext" android:layout_alignParentBottom="true"/>

</RelativeLayout>

</LinearLayout>