Android实现微博分享及其注意事项

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：

 

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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;
        }
 
        @Override
        protected String getContent() {
 
            return content;
        }
 
        @Override
        protected String getTitle() {
            return null;
        }
 
        @Override
        protected String getURL() {
            return null;
        }
 
        @Override
        protected int getPicResource() {
            return -1;
        }
 
        @Override
        protected 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;
        }
         
        @Override
        protected String getContent() {
            return null;
        }
 
        @Override
        protected String getTitle() {
            return null;
        }
 
        @Override
        protected String getURL() {
            return null;
        }
 
        @Override
        protected int getPicResource() {
            return picResource;
        }
 
        @Override
        protected 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;
        }
 
        @Override
        protected String getContent() {
            return content;
        }
 
        @Override
        protected String getTitle() {
            return title;
        }
 
        @Override
        protected String getURL() {
            return url;
        }
 
        @Override
        protected int getPicResource() {
            return picResource;
        }
 
        @Override
        protected 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();
    }
}

 

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posted @ 2015-01-19 09:00  回忆安在  阅读(1202)  评论(0)  编辑  收藏  举报