备忘录：微信分享

private void shareRoadbook() {
    new Share2.Builder(this)
            .setContentType(ShareContentType.TEXT)
            .setTextContent("http://book.html?id=16")
            .setTitle("Share Text")
            // .forcedUseSystemChooser(false)
            .build()
            .shareBySystem();
}

void shareByAndroid(){
    Intent sendIntent = new Intent();
    sendIntent.setAction(Intent.ACTION_SEND);
    sendIntent.putExtra(Intent.EXTRA_TEXT, "http://book.html?id=16");
    // 比如发送二进制文件数据流内容（比如图片、视频、音频文件等等）
    //String filepath = PhotoPickOptions.DEFAULT.imagePath + "clip_1684368148.jpg";
    //WXShare.shareFile(this, filepath);
    startActivity(Intent.createChooser(sendIntent,"分享路书。。。"));
}
void shareToWeixin(){
    WXShare.shareWeb(this, "你的appId",
            "http://book.html?id=16", "网页标题", "网页描述",
            null);
}