Android腾讯微薄客户端开发十:博主广播篇

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Android腾讯微薄客户端开发十:博主广播篇

public class TweetsActivity extends ListActivity implements OnItemClickListener{private DataHelper dataHelper;private UserInfo user;private MyWeiboSync weibo;private Handler handler;private AsyncImageLoader asyncImageLoader; private TweetsThread thread;private ListView listView;private ProgressDialog progressDialog;private JSONArray array;private TweetsAdapter 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;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.tweets);setUpViews();//设置viewsetUpListeners();//设置listenterasyncImageLoader = new AsyncImageLoader();dataHelper = new DataHelper(TweetsActivity.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", "");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+"的广播");progressDialog = new ProgressDialog(TweetsActivity.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 TweetsHandler();thread = new TweetsThread();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.tweets_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 TweetsThread extends Thread {@Overridepublic void run() {String jsonStr = weibo.getTweets(weibo.getAccessTokenKey(), weibo.getAccessTokenSecrect(),PageFlag.PageFlag_First, 0, 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 TweetsHandler extends Handler { @Overridepublic void handleMessage(Message msg){adapter = new TweetsAdapter(TweetsActivity.this, array);listView.setAdapter(adapter);progressDialog.dismiss();// 关闭进度条}}class TweetsAdapter extends BaseAdapter {private Context context;private LayoutInflater inflater;private JSONArray array;public TweetsAdapter(Context context, JSONArray array) {super();this.context = context;this.array = array;this.inflater = LayoutInflater.from(context);}@Overridepublic int getCount() {return array.length();}@Overridepublic Object getItem(int position) {return array.opt(position);}@Overridepublic long getItemId(int position) {return position;}@Overridepublic View getView(final int position, View convertView, ViewGroup parent) {asyncImageLoader = new AsyncImageLoader();TweetsViewHolder viewHolder = new TweetsViewHolder();JSONObject data = (JSONObject)array.opt(position); JSONObject source = null;convertView = inflater.inflate(R.layout.tweets_list_item, null);try {source = data.getJSONObject("source");} catch (JSONException e1) {e1.printStackTrace(); }viewHolder.tweets_headicon = (ImageView) convertView.findViewById(R.id.tweets_headicon);viewHolder.tweets_nick = (TextView) convertView.findViewById(R.id.tweets_nick);viewHolder.tweets_hasimage = (ImageView) convertView.findViewById(R.id.tweets_hasimage);viewHolder.tweets_timestamp = (TextView) convertView.findViewById(R.id.tweets_timestamp);viewHolder.tweets_origtext = (TextView) convertView.findViewById(R.id.tweets_origtext);viewHolder.tweets_source = (TextView) convertView.findViewById(R.id.tweets_source);if(data!=null){try {convertView.setTag(data.get("id"));viewHolder.tweets_nick.setText(data.getString("nick"));viewHolder.tweets_timestamp.setText(TimeUtil.converTime(Long.parseLong(data.getString("timestamp"))));viewHolder.tweets_origtext.setText(data.getString("origtext"), TextView.BufferType.SPANNABLE);if(source!=null){viewHolder.tweets_source.setText(source.getString("origtext"));viewHolder.tweets_source.setBackgroundResource(R.drawable.source_bg);}//异步加载图片Drawable cachedImage = asyncImageLoader.loadDrawable(data.getString("head")+"/100",viewHolder.tweets_headicon, new ImageCallback(){                    @Override                    public void imageLoaded(Drawable imageDrawable,ImageView imageView, String imageUrl) {                        imageView.setImageDrawable(imageDrawable);                    }                });if (cachedImage == null) {viewHolder.tweets_headicon.setImageResource(R.drawable.icon);} else {viewHolder.tweets_headicon.setImageDrawable(cachedImage);}if(data.getJSONArray("image")!=null){viewHolder.tweets_hasimage.setImageResource(R.drawable.hasimage);}} catch (JSONException e) {e.printStackTrace();} catch (Exception e) {e.printStackTrace();}}return convertView;}}static class TweetsViewHolder {private ImageView tweets_headicon;private TextView tweets_nick;private TextView tweets_timestamp;private TextView tweets_origtext;private TextView tweets_source;private ImageView tweets_hasimage;}@Overridepublic void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) {JSONObject weiboInfo = (JSONObject)array.opt(position);Intent intent = new Intent(TweetsActivity.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 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/tweets_top" layout="@layout/top_panel" android:layout_alignParentTop="true"/><ListView android:id="@id/android:list" android:layout_below="@id/tweets_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/mytweet_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/mytweet_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/tweets_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/tweets_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/tweets_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/tweets_hasimage" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_toLeftOf="@id/tweets_timestamp"/><TextView android:id="@+id/tweets_origtext" android:textColor="#081008" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="12.0sp" android:layout_below="@id/tweets_nick"/><TextView android:layout_marginLeft="6.0dip" android:id="@+id/tweets_source" android:textColor="#101810" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="10.0sp" android:layout_below="@id/tweets_origtext" android:layout_alignParentBottom="true"/></RelativeLayout></LinearLayout>

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