Android腾讯微薄客户端开发十三:提及篇（与我有关的微博）

 

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();
        }
    }

}

<?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>

<?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>

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