Android腾讯微博客户端开发三:多账号管理的实现
先看看效果。。
列表中的账号是保存在sqlite数据库中的，下方的大图片是显示你选择的默认账号，双击图片就会显示此账号的主页
点击添加账号，将会跳向腾讯的授权页面，这个页面我是放在WebView中的，当授权成功后，腾讯的API将会返回给我们一个验证码，然后返回到我们的账号管理界面。
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;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.account);setUpViews();//设置viewsetUpListeners();//设置listenterregisterReceiver(broadcastReceiver, new IntentFilter("com.weibo.caigang.getverifier"));//注册拿到验证码广播接收器.dataHelper = DataBaseContext.getInstance(getApplicationContext());//获取数据库连接类，用了单例，保证全局只有一个此对象。userList = dataHelper.GetUserList(false);SharedPreferences preferences = getSharedPreferences("default_user",Activity.MODE_PRIVATE);String nick = preferences.getString("user_default_nick", "");//取得微博默认登录账号信息UserInfo user = null;if(userList!=null&&userList.size()>0){if (nick != "") {user = dataHelper.getUserByName(nick,userList);//取得微博默认登录账号信息}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; }@Overridepublic 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;}}@Overridepublic void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) {currentUser = userList.get(position);user_default_headicon.setImageDrawable(currentUser.getUserIcon());}@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.account_add_btn_bar: {weibo = WeiboContext.getInstance();//单例，保证整个应用只有一个weibo对象weibo.getRequestToken();Intent intent = new Intent(AccountActivity.this,AuthorizeActivity.class);Bundle bundle = new Bundle();bundle.putString("url", weibo.getAuthorizeUrl());intent.putExtras(bundle);startActivity(intent);//跳转到腾讯的微博授权页面,使用webview来显示}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() {@Overridepublic 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");//获取从授权页面返回的veryfierif(veryfier!=null){//unregisterReceiver(broadcastReceiver);weibo.getAccessToken(weibo.getTokenKey(), weibo.getTokenSecrect(), veryfier);//取得key和secret,这个key和secret非常重要，调腾讯的API全靠它了，神马新浪的，人人网的都一样的，不过还是有点区别，腾讯的OAuth认证是基于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();//生成一个user对象保存到数据库user.setUserId(userId);user.setUserName(userName);user.setToken(weibo.getAccessTokenKey());user.setTokenSecret(weibo.getAccessTokenSecrect());Long insertId = 0L;if (dataHelper.HaveUserInfo(userId)){//数据库已经存在了次用户dataHelper.UpdateUserInfo(userName, ImageUtil.getRoundBitmapFromUrl(headUrl, 15), userId);//Toast.makeText(AccountActivity.this, "此用户已存在,如果你用户名或者头像已经改变，那么此操作将同步更新!", 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, "已经授权成功,将跳转到选择默认的登录用户界面!", Toast.LENGTH_LONG).show();}Log.d(TAG+"插入数据库的id是", insertId.toString());userList = dataHelper.GetUserList(false);adapater = new UserAdapater();adapater.notifyDataSetChanged();//刷新listviewlistView.setAdapter(adapater);} catch (JSONException e) {e.printStackTrace();} catch (Exception e) {e.printStackTrace();}Log.e(TAG, userInfo);}Log.e(TAG, veryfier);}}};@Overridepublic boolean onItemLongClick(AdapterView<?> arg0, View arg1, final int position,long arg3) {CharSequence [] items = null;items= new CharSequence[]{"删除账号","取消"};new AlertDialog.Builder(AccountActivity.this).setTitle("选项").setItems(items,new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {switch (which) {case 0: {String userId = userList.get(position).getUserId();dataHelper.DelUserInfo(userId);//删除数据库记录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();//清除里面保存的记录SharedPreferences}userList = dataHelper.GetUserList(false);adapater = new UserAdapater();adapater.notifyDataSetChanged();//刷新listviewlistView.setAdapter(adapater);}break;case 1: {}break;default:break;}}}).show();return false;}}public class AuthorizeActivity extends Activity {private static final String TAG = "AuthorizeActivity";@Overridepublic 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);}}}}@Overridepublic 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 {@Overridepublic boolean shouldOverrideUrlLoading(WebView view, String url) {view.loadUrl(url);return true;}@Overridepublic 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="账号管理" 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="添加账号" 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>
5 楼 robyjeffding 2012-06-06 看了源代码，对于OAuth之类的还不太明白，能否进一步说明下？ 6 楼 wenlong200817 2012-06-24 太给力啦。。。加油啊....