新浪微博分享实现（Web认证）

<pre name="code" class="java">public class SinaActivity extends Activity {WebView webView;String url2;HttpPost httpPost;HttpResponse response;HttpEntity entity;HttpClient httpClient;String access_token;Button button;String App_Key = "输入你申请到的Key";String Rediert_url = "输入你的回调网址";String App_Secret = "请输入你的APP_secret";String code;public static final String authUrl = "https://open.weibo.cn/oauth2/authorize";// 新浪微博授权地址public static final String authUrl2 = "https://open.weibo.cn/oauth2/access_token";// 新浪微博授权地址private String url1 = authUrl+ "?client_id="+ App_Key+ "&response_type=code&forcelogin=true&display=mobile&redirect_uri="+ Rediert_url;private static final String requesturl = "https://api.weibo.com/2/statuses/update.json";// 新浪发送消息接口@SuppressWarnings("deprecation")@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.activity_sina);button = (Button) findViewById(R.id.Button);button.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubbutton.setText(share());System.out.println(share());}});webView = (WebView) findViewById(R.id.sina);webView.getSettings().setJavaScriptEnabled(true);webView.setWebViewClient(new WebViewClient() {public boolean shouldOverrideUrlLoading(WebView view, String url) {view.loadUrl(url);Map<String, String> data = pareseUrl(url);if (data.containsKey("error")) {finish();} else {code = data.get("code");url2 = authUrl2 + "?client_id=" + App_Key+ "&client_secret=" + App_Secret+ "&grant_type=authorization_code&redirect_uri="+ Rediert_url + "&code=" + code;login();}return true;}});webView.loadUrl(url1);}public boolean onKeyDown(int keyCode, KeyEvent event) {if ((keyCode == KeyEvent.KEYCODE_BACK) && webView.canGoBack()) {webView.goBack();return true;}return super.onKeyDown(keyCode, event);}@SuppressWarnings("deprecation")private Map<String, String> pareseUrl(String url) {Map<String, String> dataMap = new HashMap<String, String>();try {URL mURL = new URL(url);String s = mURL.getQuery();if (s != null) {String array[] = s.split("&");for (String parameter : array) {String v[] = parameter.split("=");if (v.length >= 2)dataMap.put(URLDecoder.decode(v[0]),URLDecoder.decode(v[1]));elsedataMap.put(URLDecoder.decode(v[0]), "");}}s = mURL.getRef();if (s != null) {String array[] = s.split("&");for (String parameter : array) {String v[] = parameter.split("=");if (v.length >= 2)dataMap.put(URLDecoder.decode(v[0]),URLDecoder.decode(v[1]));elsedataMap.put(URLDecoder.decode(v[0]), "");}}} catch (MalformedURLException e) {e.printStackTrace();}return dataMap;}public void login() {httpClient = new DefaultHttpClient();String result = null;try {httpPost = new HttpPost(url2);List<NameValuePair> data = new ArrayList<NameValuePair>();httpPost.setEntity(new UrlEncodedFormEntity(data, "UTF-8"));response = httpClient.execute(httpPost);result = EntityUtils.toString(response.getEntity(), "UTF-8");JSONObject datas;try {datas = new JSONObject(result.toString());access_token = datas.getString("access_token");// 兑换码} catch (JSONException e) {// TODO Auto-generated catch blocke.printStackTrace();}} catch (Exception e) {// TODO: handle exceptione.printStackTrace();}}//该函数为了从URL中获取数据public String share() {httpClient = new DefaultHttpClient();String result = null;try {httpPost = new HttpPost(requesturl);List<NameValuePair> data = new ArrayList<NameValuePair>();try {data.add(new BasicNameValuePair("status", "输入你想上传的内容"));//上传你需要分享的内容data.add(new BasicNameValuePair("access_token", access_token));} catch (Exception e1) {// TODO: handle exceptione1.printStackTrace();}httpPost.setEntity(new UrlEncodedFormEntity(data, "UTF-8"));response = httpClient.execute(httpPost);result = EntityUtils.toString(response.getEntity(), "UTF-8");System.out.println(result);} catch (Exception e) {// TODO: handle exceptione.printStackTrace();}return result;}}

activity_sina.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >    <Button        android:id="@+id/Button"        android:layout_width="fill_parent"         android:layout_height="50dp"        android:text="share"/>    <WebView        android:id="@+id/sina"        android:layout_width="450dp"        android:layout_height="fill_parent" /></LinearLayout>

<span style="color: rgb(51, 51, 51); font-family: 'Microsoft YaHei', 宋体, Arial, Helvetica, san-serif; font-size: 14px; line-height: 21px;">http://open.weibo.com/wiki/%E6%8E%88%E6%9D%83%E6%9C%BA%E5%88%B6 详细的内容可以去新浪微博的官方文档进行查看</span>

<pre name="code" class="java">