百度云下载图片
/*百度云下载图片，根据百度云的规则去做，第一步先从百度云得到AK,SK,buck,object，百度云已经图片或者其它内容写到文件里面去（baiduBCS.getObject(getObjectRequest, destFile);），然后由从本地把文件读出来，利用string转bitmapt 得到图片
*
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*/
static String host = "bcs.duapp.com";
static String accessKey = "s2p8B6U0iITUIuLltn41221321";//自己去百度去弄static String secretKey = "sZNGKPeeRsqXoBcLMLkr2s2312312";//自己去百度去弄
static String bucket = "test-pictures";
// ----------------------------------------
static String object = "/testimage";//一定要加"/"，不然得不到
public void initView() {
// TODO Auto-generated method stub
if (android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder()
.permitAll().build();
StrictMode.setThreadPolicy(policy);
}
String putimage="1231231.txt";
getObjectWithDestFile(String putimage);
String rdimage=ReadData(String putimage);
//然后string转成bitmp
Bitmap photo =stringtoBitmap(rdimage);
}
// 从百度云下载图片
private static void getObjectWithDestFile(String putimage) {
File destFile = new File(Environment.getExternalStorageDirectory(),
putimage);
BCSCredentials credentials = new BCSCredentials(accessKey, secretKey);
final BaiduBCS baiduBCS = new BaiduBCS(credentials, host);
GetObjectRequest getObjectRequest = new GetObjectRequest(bucket, object);
baiduBCS.getObject(getObjectRequest, destFile);
}
// 从文件中读出图片
public String ReadData(String putimage) {
String image = "";
File file = new File(Environment.getExternalStorageDirectory()
+ putimage);
BufferedReader reader = null;
try {
System.out.println("以行为单位读取文件内容，一次读一整行：");
reader = new BufferedReader(new FileReader(file));
String tempString = null;
int line = 1;
// 一次读入一行，直到读入null为文件结束
while ((tempString = reader.readLine()) != null) {
// 显示行号
// information.setText(""+ "--" + tempString);
// / System.out.println("line " + line + ": " + tempString);
line++;
image += tempString;
}
reader.close();
return image;
} catch (IOException e) {
e.printStackTrace();
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e1) {
}
}
}
// information.setText(""+ "--" + ins);
return image;
}
public Bitmap stringtoBitmap(String string) {
// 将字符串转换成Bitmap类型
Bitmap bitmap = null;
try {
byte[] bitmapArray;
bitmapArray = Base64.decode(string, Base64.DEFAULT);
bitmap = BitmapFactory.decodeByteArray(bitmapArray, 0,
bitmapArray.length);
} catch (Exception e) {
e.printStackTrace();
}
return bitmap;
}