/**
 * 特注：因token有时间限制，以下字段请填写为您自己的信息，否则文档无法显示。
 */
String host = "BCEDOC"; // 百度智能云传回的host
String docId = "doc-gkjraanw4f89uu5"; // 百度智能云传回的docId
String docType = "doc"; // 百度智能云传回的文档类型 doc/ppt/ppts等
String token = "TOKEN"; // 百度智能云传回的token
String thisDocDir = ""; // 指定为空串""表示在线浏览
int totalPage = 3; // 总页数，必须准确填写 否则在离线浏览时会有问题
String docTitle = "百度智能云文档服务";
int startPage = 1; // 起始浏览页，最小值为1，请不要填入小于1的值
BDocInfo docInfo = new BDocInfo(host, docId, docType, token)
                .setLocalFileDir(thisDocDir)
                .setTotalPage(totalPage)
                .setDocTitle(docTitle)
                .setStartPage(startPage);

<com.baidu.bdocreader.BDocView 
	android:id="@+id/dv_doc"
	android:layout_width="match_parent"
	android:layout_height="match_parent"/>

BDocView mDocView = (BDocView) findViewById(R.id.dv_doc);

mDocView.setOnDocLoadStateListener(new OnDocLoadStateListener() {
	@Override
	public void onDocLoadComplete() {
		Log.d("test", "onDocLoadComplete");
	}
	@Override
  	public void onDocLoadFailed(String errorDesc) {
  		// errorDesc format: ERROR_XXXX_DESC(code=xxxxx)
		Log.d("test", "onDocLoadFailed errorDesc=" + errorDesc);
	}
  	@Override
	public void onCurrentPageChanged(int currentPage) {
		// 记录当前页面
		Log.i("test", "currentPage = " + currentPage);
	}
});
// 加载文档
mDocView.loadDoc(docInfo);

mDocView.setFontSize(fontSize); // fontSize为float类型，取值范围(0,2]

docInfo.enablePagePreview(2); // 仅允许用户预览文档的前2页；

DocDownloadManager.getInstance(context, userName)
	.startOrResumeDownloader(docInfo.getDocId(),
							 docInfo.getToken(),
							 docInfo.getHost(),
							 observer);

String locaDirForThisDoc = downloader.getLocalAbsolutePath();
docInfo.setLocalFileDir(locaDirForThisDoc);

-keep class com.baidu.bdocreader.** {
  public *;
}