Android腾讯微薄客户端开发十一:博主的粉丝_第1张图片

Java代码
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
}
}


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
}
}




Java代码
<?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"?>
<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>




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/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>


<?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>

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