Android腾讯菲薄单薄客户端开发十一:博主的粉丝

public class FansActivity extends ListActivity implements OnItemClickListener{	private DataHelper dataHelper;	private UserInfo user;	private MyWeiboSync weibo;	private Handler handler;	private AsyncImageLoader asyncImageLoader; 	private FansThread thread;	private ListView listView;	private ProgressDialog progressDialog;	private JSONArray array;	private FansAdapter adapter;	private String name;	private String currentNick;//当前界面的昵称	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.fans);		setUpViews();//设置view		setUpListeners();//设置listenter		asyncImageLoader = new AsyncImageLoader();		dataHelper = new DataHelper(FansActivity.this);		weibo = new MyWeiboSync();		List<UserInfo> userList = dataHelper.GetUserList(false);				SharedPreferences preferences = getSharedPreferences("default_user",Activity.MODE_PRIVATE);		String nick = preferences.getString("user_default_nick", "");//本地文件保存的你的登录昵称		if (nick != "") {			user = dataHelper.getUserByName(nick,userList);		}				weibo.setAccessTokenKey(user.getToken());		weibo.setAccessTokenSecrect(user.getTokenSecret());				Intent intent = getIntent();		name = intent.getStringExtra("name");//获取从前面页面传递过来的数据		currentNick = intent.getStringExtra("nick");		top_title.setText(currentNick+"的粉丝");				progressDialog = new ProgressDialog(FansActivity.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 FansHandler();		thread = new FansThread();		thread.start();//开启一个线程获取数据		progressDialog.show();	}		private void setUpViews(){		listView = getListView();		top_panel = (View)findViewById(R.id.fans_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);	}		class FansThread extends Thread {		@Override		public void run() {			String jsonStr = weibo.getFans(weibo.getAccessTokenKey(), weibo.getAccessTokenSecrect(), 20, 0, name);			try {				JSONObject dataObj = new JSONObject(jsonStr).getJSONObject("data");				array = dataObj.getJSONArray("info");			} catch (JSONException e) {				e.printStackTrace();			}			//通知handler处理数据			Message msg = handler.obtainMessage();			handler.sendMessage(msg);		}	}		class FansHandler extends Handler { 		@Override		public void handleMessage(Message msg){			adapter = new FansAdapter(FansActivity.this, array);			listView.setAdapter(adapter);			progressDialog.dismiss();// 关闭进度条		}	}		class FansAdapter extends BaseAdapter {		private Context context;		private LayoutInflater inflater;		private JSONArray array;				public FansAdapter(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();			FansViewHolder viewHolder = new FansViewHolder();			JSONObject data = (JSONObject)array.opt(position);			convertView = inflater.inflate(R.layout.fans_list_item, null);						viewHolder.fans_headicon = (ImageView) convertView.findViewById(R.id.fans_headicon);			viewHolder.fans_nick = (TextView) convertView.findViewById(R.id.fans_nick);			viewHolder.fans_name = (TextView) convertView.findViewById(R.id.fans_name);						Drawable cachedImage = null;			if(data!=null){				try {					convertView.setTag(data.get("name"));					viewHolder.fans_nick.setText(data.getString("nick"));					viewHolder.fans_name.setText("@"+data.getString("name"));					//异步加载图片					cachedImage = asyncImageLoader.loadDrawable(data.getString("head")+"/100",viewHolder.fans_headicon, new ImageCallback(){	                    @Override	                    public void imageLoaded(Drawable imageDrawable,ImageView imageView, String imageUrl) {	                        imageView.setImageDrawable(imageDrawable);	                    }	                });					if (cachedImage == null) {						viewHolder.fans_headicon.setImageResource(R.drawable.icon);					}				} catch (JSONException e) {					e.printStackTrace();				} catch (Exception e) {					e.printStackTrace();				}			}			return convertView;		}	}		static class FansViewHolder {		private ImageView fans_headicon;		private TextView fans_nick;		private TextView fans_name;	}	@Override	public void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3){		Intent intent = new Intent(FansActivity.this,UserInfoActivity.class);		try {			JSONObject fansInfo = (JSONObject)array.opt(position);			JSONArray tweets = fansInfo.getJSONArray("tweet");			JSONObject tweet = null;			if(tweets!=null&&tweets.length()>0){				tweet = (JSONObject)tweets.opt(0);				intent.putExtra("origtext", tweet.getString("text"));				intent.putExtra("timestamp", TimeUtil.getStandardTime(tweet.getLong("timestamp")));			}			intent.putExtra("name", fansInfo.getString("name"));			intent.putExtra("nick", fansInfo.getString("nick"));		} catch (JSONException e) {			e.printStackTrace();		}		startActivity(intent);//跳转到用户信息界面	}}

<?xml version="1.0" encoding="utf-8"?><RelativeLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="#ffffffff"	xmlns:android="http://schemas.android.com/apk/res/android">	<include android:id="@+id/fans_top" layout="@layout/top_panel" android:layout_alignParentTop="true"/>	<ListView android:id="@id/android:list" android:layout_below="@id/fans_top" android:layout_width="fill_parent" android:cacheColorHint="#00000000"		android:layout_height="wrap_content" android:layout_weight="1" android:divider="@drawable/list_divider"/>	<RelativeLayout android:layout_width="fill_parent" android:layout_height="40.0dip" android:layout_alignParentBottom="true">		<Button android:id="@+id/fans_back_btn" android:layout_width="40.0dip" android:drawableTop="@drawable/btn_back_selector" android:background="@drawable/bottom_back_bg"			android:layout_height="40.0dip"  android:layout_alignParentLeft="true"/>		<Button android:id="@+id/fans_tohome_btn" android:layout_width="40.0dip"			android:layout_height="40.0dip" android:drawableTop="@drawable/btn_home_selector" android:background="@drawable/bottom_home_bg" android:layout_alignParentRight="true"/>	</RelativeLayout></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/fans_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/fans_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/fans_name" android:layout_marginLeft="6.0dip" android:layout_below="@id/fans_nick" android:textColor="#ff000000" android:layout_width="wrap_content" android:layout_height="32.0dip" android:textSize="8.0sp" android:layout_alignParentLeft="true"/>	</RelativeLayout></LinearLayout>