android - 从图库到图像的图像以字节为单位..还有以字节为单位的数据..用于在android中上传facebook

Question

我得到了将图片和视频上传到 Face Book 的代码。但我不知道如何将图像从画廊转换为字节图像..还有字节数据..任何人都可以帮助我吗？？？？

*Upload picture,
 Bundle params = new Bundle();
 params.putByteArray("picture", <image in bytes>);
 params.putString("message", "Have fun");
 mAsyncRunner.request("me/photos", params, "POST", new SampleUploadListener());* 

this is code for upload images...   
*Upload video,
Bundle params = new Bundle();
param.putString("filename", <dataName>);
param.putByteArray("video", <data in bytes>);
 mAsyncRunner.request("me/videos", param, "POST", new SampleUploadListener());**

this is code for upload images...    
Any one know how code for my question please post.....

提前致谢

Answer 1

Get file path from here

试一试-

FileInputStream is = new FileInputStream(new File(filePath));
ByteArrayOutputStream bs = new ByteArrayOutputStream();
int data;

while((data != is.read()) != -1)
   bs.write(data);

is.close();
byte[] raw = bs.toByteArray();
bs.close();