Android实现微博分享及其注意事项

在前面我写了两篇关于QQ和微信的分享（http://blog.csdn.net/dawanganban/article/details/42015249）（http://blog.csdn.net/dawanganban/article/details/40478317）这一篇我们来看以如何实现微博分享功能。

微博的参考文档在开放平台上转悠了半天，没有找到，最终才惊奇的发现在SDK的Demo中，还是我的老思路，遇到这种第三方接入的最快最好的入手点就是入门文档和官方Demo,打开Demo我们就会看到相关文档和源码，由于前面的APPID的申请和QQ、微信差不多，所以我在这里就不重复了，可以参考一下上面的两篇文章。接下来我就将我封装好的源码粘出来如下：

public class SinaShareManager{/** * 文字 */public static final int SINA_SHARE_WAY_TEXT = 1;/** * 图片 */public static final int SINA_SHARE_WAY_PIC = 2;/** * 链接 */public static final int SINA_SHARE_WAY_WEBPAGE = 3;private static String sinaAppKey;public static final String SCOPE =             "email,direct_messages_read,direct_messages_write,"            + "friendships_groups_read,friendships_groups_write,statuses_to_me_read,"            + "follow_app_official_microblog," + "invitation_write";    /** 微博分享的接口实例 */    private IWeiboShareAPI sinaAPI;        public void registSina(Context context){    //获取appkey    if(sinaAppKey == null){    sinaAppKey = SinaShareUtil.getSinaAppKey(context);    }    //初始化微博分享代码    if(sinaAppKey != null){    initSinaShare(context);    }    }/** * 新浪微博分享方法 * @param shareContent 分享的内容 */public void shareBySina(ShareContent shareContent, Context context){if(sinaAPI == null) return;switch (shareContent.getShareWay()) {case SINA_SHARE_WAY_TEXT:shareText(shareContent);break;case SINA_SHARE_WAY_PIC:sharePicture(shareContent, context);break;case SINA_SHARE_WAY_WEBPAGE:shareWebPage(shareContent, context);break;}}/* * 分享文字 */private void shareText(ShareContent shareContent){//初始化微博的分享消息WeiboMessage weiboMessage = new WeiboMessage();weiboMessage.mediaObject = getTextObj(shareContent.getContent());//初始化从第三方到微博的消息请求SendMessageToWeiboRequest request = new SendMessageToWeiboRequest();request.transaction = buildTransaction("sinatext");request.message = weiboMessage;//发送请求信息到微博，唤起微博分享界面sinaAPI.sendRequest(request);}/* * 分享图片 */private void sharePicture(ShareContent shareContent, Context context){WeiboMessage weiboMessage = new WeiboMessage();weiboMessage.mediaObject = getImageObj(shareContent.getPicResource(), context);//初始化从第三方到微博的消息请求SendMessageToWeiboRequest request = new SendMessageToWeiboRequest();request.transaction = buildTransaction("sinatext");request.message = weiboMessage;//发送请求信息到微博，唤起微博分享界面sinaAPI.sendRequest(request);}private void shareWebPage(ShareContent shareContent, Context context){WeiboMessage weiboMessage = new WeiboMessage();weiboMessage.mediaObject = getWebpageObj(shareContent, context);//初始化从第三方到微博的消息请求SendMessageToWeiboRequest request = new SendMessageToWeiboRequest();request.transaction = buildTransaction("sinatext");request.message = weiboMessage;//发送请求信息到微博，唤起微博分享界面sinaAPI.sendRequest(request);}/** * 欢迎关注-阳光小强-http://blog.csdn.net/dawanganban * @author lixiaoqiang * */private abstract class ShareContent{protected abstract int getShareWay();protected abstract String getContent();protected abstract String getTitle();protected abstract String getURL();protected abstract int getPicResource();}/** * 设置分享文字的内容 * @author Administrator * */public class ShareContentText extends ShareContent{private String content;/** * 构造分享文字类 * @param text 分享的文字内容 */public ShareContentText(String content){this.content = content;}@Overrideprotected String getContent() {return content;}@Overrideprotected String getTitle() {return null;}@Overrideprotected String getURL() {return null;}@Overrideprotected int getPicResource() {return -1;}@Overrideprotected int getShareWay() {return SINA_SHARE_WAY_TEXT;}}/** * 设置分享图片的内容 * @author Administrator * */public class ShareContentPic extends ShareContent{private int picResource;public ShareContentPic(int picResource){this.picResource = picResource;}@Overrideprotected String getContent() {return null;}@Overrideprotected String getTitle() {return null;}@Overrideprotected String getURL() {return null;}@Overrideprotected int getPicResource() {return picResource;}@Overrideprotected int getShareWay() {return SINA_SHARE_WAY_PIC;}}/** * 设置分享链接的内容 * @author Administrator * */public class ShareContentWebpage extends ShareContent{private String title;private String content;private String url;private int picResource;public ShareContentWebpage(String title, String content, String url, int picResource){this.title = title;this.content = content;this.url = url;this.picResource = picResource;}@Overrideprotected String getContent() {return content;}@Overrideprotected String getTitle() {return title;}@Overrideprotected String getURL() {return url;}@Overrideprotected int getPicResource() {return picResource;}@Overrideprotected int getShareWay() {return SINA_SHARE_WAY_WEBPAGE;}}    /**     * 创建文本消息对象。     *      * @return 文本消息对象。     */    private TextObject getTextObj(String text) {        TextObject textObject = new TextObject();        textObject.text = text;        return textObject;    }        private ImageObject getImageObj(int picResource, Context context){     ImageObject imageObject = new ImageObject();     Bitmap bmp = BitmapFactory.decodeResource(context.getResources(), picResource);         imageObject.setImageObject(bmp);         return imageObject;    }        private WebpageObject getWebpageObj(ShareContent shareContent, Context context){    WebpageObject mediaObject = new WebpageObject();        mediaObject.identify = Utility.generateGUID();        mediaObject.title = shareContent.getTitle();        mediaObject.description = shareContent.getContent();                // 设置 Bitmap 类型的图片到视频对象里        Bitmap bmp = BitmapFactory.decodeResource(context.getResources(), shareContent.getPicResource());        mediaObject.setThumbImage(bmp);        mediaObject.actionUrl = shareContent.getURL();        mediaObject.defaultText = shareContent.getContent();        return mediaObject;    }private void initSinaShare(Context context){// 创建微博 SDK 接口实例        sinaAPI = WeiboShareSDK.createWeiboAPI(context, sinaAppKey);        //检查版本支持情况        checkSinaVersin(context);        sinaAPI.registerApp();}private void checkSinaVersin(final Context context) {// 获取微博客户端相关信息，如是否安装、支持 SDK 的版本        boolean isInstalledWeibo = sinaAPI.isWeiboAppInstalled();        //int supportApiLevel = sinaAPI.getWeiboAppSupportAPI();                 // 如果未安装微博客户端，设置下载微博对应的回调        if (!isInstalledWeibo) {           sinaAPI.registerWeiboDownloadListener(new IWeiboDownloadListener() {                @Override                public void onCancel() {                    Toast.makeText(context,                             "取消下载",                             Toast.LENGTH_SHORT).show();                }            });        }}private String buildTransaction(final String type) {return (type == null) ? String.valueOf(System.currentTimeMillis()) : type + System.currentTimeMillis();}}

如有疑问可以提出或者添加博客旁边的QQ群进行交流，希望这三篇文章对大家有所帮助。