Android騰訊微博客戶端開發三:多賬號管理的實現

先看看效果。。 
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。 


 

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

    private final static String TAG="AccountActivity";
    private DataHelper dataHelper;
    private MyWeiboSync weibo;
    private List<UserInfo> 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"));//註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 = dataHelper.SaveUserInfo(user,null);
                            }
                        }
                        if(insertId>0L){
                            //Toast.makeText(AccountActivity.this, "已經授權成功,將跳轉到選擇默認的登錄用戶界面!", Toast.LENGTH_LONG).show();
                        }
                        Log.d(TAG+"插入數據庫的id是", insertId.toString());

                        userList = dataHelper.GetUserList(false);
                        adapater = new UserAdapater();
                        adapater.notifyDataSetChanged();//刷新listview
                        listView.setAdapter(adapater);

                    } catch (JSONException e) {
                        e.printStackTrace();
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                    Log.e(TAG, userInfo);
                }
                Log.e(TAG, veryfier);
            }
        }
    };


    @Override
    public boolean onItemLongClick(AdapterView<?> arg0, View arg1, final int position,
            long arg3) {
        CharSequence [] items = null;
        items= new CharSequence[]{"刪除賬號","取消"};
        new AlertDialog.Builder(AccountActivity.this).setTitle("選項").setItems(items,new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                        switch (which) {
                        case 0: {
                            String userId = userList.get(position).getUserId();
                            dataHelper.DelUserInfo(userId);//刪除數據庫記錄
                            SharedPreferences preferences = getSharedPreferences("default_user", Activity.MODE_PRIVATE);
                            SharedPreferences.Editor editor = preferences.edit();
                            if(preferences.getString("user_default_name", "").equals(userId)){
                                editor.putString("user_default_nick", "");
                                editor.putString("user_default_name", "");
                                editor.commit();//清除裏面保存的記錄SharedPreferences
                            }
                            userList = dataHelper.GetUserList(false);
                            adapater = new UserAdapater();
                            adapater.notifyDataSetChanged();//刷新listview
                            listView.setAdapter(adapater);
                        }
                            break;
                        case 1: {
                        }
                            break;
                        default:
                            break;
                        }
            }
        }).show();
        return false;
    }
}

public class AuthorizeActivity extends Activity {
    private static final String TAG = "AuthorizeActivity";

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.webview);
        WebView webView = (WebView) findViewById(R.id.web);
        webView.setWebViewClient(new MyWebViewClient());
        Intent intent = this.getIntent();
        if (!intent.equals(null)) {
            Bundle bundle = intent.getExtras();
            if (bundle != null) {
                if (bundle.containsKey("url")) {
                    String url = bundle.getString("url");
                    WebSettings webSettings = webView.getSettings();
                    webSettings.setJavaScriptEnabled(true);
                    webSettings.setSupportZoom(true);
                    webView.requestFocus();
                    webView.loadUrl(url);
                }
            }
        }
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            WebView webView = (WebView) findViewById(R.id.web);
            if (webView.canGoBack()) {
                webView.goBack();
                return true;
            }
        }
        return super.onKeyDown(keyCode, event);
    }

    public class MyWebViewClient extends WebViewClient {
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            view.loadUrl(url);
            return true;
        }

        @Override
        public void onPageStarted(WebView view, String url, Bitmap favicon) {
            Pattern p = Pattern.compile("^" + MyWeiboSync.CALLBACK_URL
                    + ".*oauth_verifier=(\\d+)");
            Matcher m = p.matcher(url);
            if (m.find()) {
                Intent intent = new Intent();
                intent.setAction("com.weibo.caigang.getverifier");
                String veryfier = m.group(1);
                intent.putExtra("veryfier", veryfier);
                sendBroadcast(intent);
                finish();
            }
        }
    }
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:background="#b8c0c8" android:layout_width="fill_parent" android:layout_height="fill_parent">
    <RelativeLayout android:id="@+id/account_top" android:background="@drawable/header" android:layout_width="fill_parent" android:layout_height="wrap_content">
        <TextView android:textSize="22.0sp" android:text="賬號管理" android:textColor="#ffffffff" android:ellipsize="middle" android:gravity="center_horizontal" android:id="@+id/account_title" android:layout_width="wrap_content" android:layout_height="wrap_content" android:singleLine="true"  android:layout_centerInParent="true" android:layout_alignWithParentIfMissing="true" />
    </RelativeLayout>

    <ListView android:id="@id/android:list"  android:background="@drawable/panel_bg" android:layout_marginTop="20.0dip" android:layout_marginLeft="10.0dip" android:layout_marginRight="10.0dip" android:padding="5.0dip" android:layout_below="@id/account_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:id="@+id/account_bottom" android:layout_width="fill_parent" android:layout_height="40.0dip" android:gravity="center" android:layout_alignParentBottom="true">
        <Button android:id="@+id/account_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/account_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"/>
        <LinearLayout android:layout_marginLeft="35.0dip" android:layout_toRightOf="@id/account_back_btn" android:layout_toLeftOf="@id/account_tohome_btn" android:layout_centerInParent="true" android:orientation="horizontal" android:id="@+id/account_add_btn_bar" android:layout_width="fill_parent" android:layout_height="fill_parent">
            <TextView android:textSize="16.0dip" android:text="添加賬號" android:textColor="@color/bottom_button_text_selector" android:gravity="center" android:background="@drawable/account_add_btn_selector" android:focusable="true" android:layout_width="wrap_content" android:layout_height="wrap_content" />
        </LinearLayout>
    </RelativeLayout>

    <RelativeLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="center" android:layout_above="@id/account_bottom" android:layout_marginBottom="40.0dip">
        <ImageView   android:id="@+id/user_default_headicon" android:layout_width="120.0dip" android:layout_height="78.0dip"/>
    </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/user_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/user_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/user_name" android:layout_marginLeft="6.0dip" android:layout_below="@id/user_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:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
    <WebView
        android:id="@+id/web"
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        />
</LinearLayout>