多賬號管理是如何實現的

這是我們為大家提供的一篇介紹多賬號管理是如何實現的文章，接下來就讓我們一起來了解一下吧!

列表中的賬號是保存在sqlite數據庫中的，下方的大圖片是顯示你選擇的默認賬號，雙擊圖片就會顯示此賬號的主頁

點擊添加賬號，將會跳向騰訊的授權頁面，這個頁面我是放在WebView中的，當授權成功後，騰訊的API將會返回給我們一個驗證碼，然後返回到我們的賬號管理界面。

Java代碼

public class AccountActivity extends ListActivity implements OnItemClickListener,OnItemLongClickListener,OnClickListener{

private final static String TAG="AccountActivity";

private DataHelper dataHelper;

private MyWeiboSync weibo;

private List userList;

private ListView listView;

private ImageView user_default_headicon;

private LinearLayout account_add_btn_bar;

private UserInfo currentUser;

private UserAdapater adapater;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.account);

setUpViews();//設置view

setUpListeners();//設置listenter

registerReceiver(broadcastReceiver, new IntentFilter("com.weibo.caigang.getverifier"));//注冊拿到驗證碼廣播接收器.

dataHelper = DataBaseContext.getInstance(getApplicationContext());//獲取數據庫連接類，用了單例，保證全局只有一個此對象。

userList = dataHelper.GetUserList(false);

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

String nick = preferences.getString("user_default_nick", "");//取得微博默認登錄賬號信息

UserInfo user = null;

if(userList!=null&&userList.size()>0){

if (nick != "") {

user = dataHelper.getUserByName(nick,userList);//取得微博默認登錄賬號信息

}

if(user == null) {

user = userList.get(0);

}

}

if(user!=null){

user_default_headicon.setImageDrawable(user.getUserIcon());

}

if(userList!=null&&userList.size()>0){

adapater = new UserAdapater();

listView.setAdapter(adapater);

listView.setOnItemClickListener(this);

}

}

private void setUpViews(){

listView = getListView();

user_default_headicon = (ImageView)findViewById(R.id.user_default_headicon);

account_add_btn_bar = (LinearLayout)findViewById(R.id.account_add_btn_bar);

}

private void setUpListeners(){

user_default_headicon.setOnClickListener(this);

account_add_btn_bar.setOnClickListener(this);

listView.setOnItemLongClickListener(this);

}

public class UserAdapater extends BaseAdapter{

@Override

public int getCount() {

return userList.size();

}

@Override

public Object getItem(int position) {

return userList.get(position);

}

@Override

public long getItemId(int position) {

return position;

}

@Override

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

convertView = LayoutInflater.from(getApplicationContext()).inflate(R.layout.account_list_item, null);

ImageView user_headicon = (ImageView) convertView.findViewById(R.id.user_headicon);

TextView user_nick = (TextView) convertView.findViewById(R.id.user_nick);

TextView user_name = (TextView) convertView.findViewById(R.id.user_name);

UserInfo user = userList.get(position);

try {

user_headicon.setImageDrawable(user.getUserIcon());

user_nick.setText(user.getUserName());

user_name.setText("@"+user.getUserId());

} catch (Exception e) {

e.printStackTrace();

}

return convertView;

}

}

@Override

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

currentUser = userList.get(position);

user_default_headicon.setImageDrawable(currentUser.getUserIcon());

}

@Override

public void onClick(View v) {

switch (v.getId()) {

case R.id.account_add_btn_bar: {

weibo = WeiboContext.getInstance();//單例，保證整個應用只有一個weibo對象

weibo.getRequestToken();

Intent intent = new Intent(AccountActivity.this,AuthorizeActivity.class);

Bundle bundle = new Bundle();

bundle.putString("url", weibo.getAuthorizeUrl());

intent.putExtras(bundle);

startActivity(intent);//跳轉到騰訊的微博授權頁面,使用webview來顯示

}

break;

case R.id.user_default_headicon: {

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

SharedPreferences.Editor editor = preferences.edit();

editor.putString("user_default_nick", currentUser.getUserName());

editor.putString("user_default_name", currentUser.getUserId());

editor.commit();

Intent intent = new Intent(AccountActivity.this, MainActivity.class);

startActivity(intent);

}

break;

default:

break;

}

}

BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {

@Override

public void onReceive(Context context, Intent intent) {

if(intent.getAction().equals("com.weibo.caigang.getverifier")){

weibo = WeiboContext.getInstance();

Bundle bundle = intent.getExtras();

String veryfier = bundle.getString("veryfier");//獲取從授權頁面返回的veryfier

if(veryfier!=null){

//unregisterReceiver(broadcastReceiver);

weibo.getAccessToken(weibo.getTokenKey(), weibo.getTokenSecrect(), veryfier);//取得key和secret,這個key和secret非常重要，調騰訊的API全靠它了，神馬新浪的，人人網的都一樣的，不過還是有點區別，騰訊的OAuth認證是基於1.0的

String userInfo = weibo.getUserInfo(weibo.getAccessTokenKey(), weibo.getAccessTokenSecrect());

try {

JSONObject data = new JSONObject(userInfo).getJSONObject("data");

String headUrl = null;

if(data.getString("head")!=null&&!"".equals(data.getString("head"))){

headUrl = data.getString("head")+"/100";

}

String userId = data.getString("name");

String userName = data.getString("nick");

UserInfo user = new UserInfo();//生成一個user對象保存到數據庫

user.setUserId(userId);

user.setUserName(userName);

user.setToken(weibo.getAccessTokenKey());

user.setTokenSecret(weibo.getAccessTokenSecrect());

Long insertId = 0L;

if (dataHelper.HaveUserInfo(userId)){//數據庫已經存在了次用戶

dataHelper.UpdateUserInfo(userName, ImageUtil.getRoundBitmapFromUrl(headUrl, 15), userId);

//Toast.makeText(AccountActivity.this, "此用戶已存在,如果你用戶名或者頭像已經改變，那麼此操作將同步更新!", Toast.LENGTH_LONG).show();

}else{

if(headUrl!=null){

insertId = dataHelper.SaveUserInfo(user,ImageUtil.getBytesFromUrl(headUrl));

}else{

insertId = dataHelpe