Android SDK

<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
<uses-permission android:name="android.permission.WAKE_LOCK"/>
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>

COSClientConfig config = new COSClientConfig();

//创建COSClientConfig对象，根据需要修改默认的配置参数
COSClientConfig config = new COSClientConfig();
//设置园区
config.setEndPoint(COSEndPoint.COS_GZ);

Context context = getApplicationContext()；
String appid =  "腾讯云注册的appid";
String peristenceId = "持久化Id";

//创建COSlient对象，实现对象存储的操作
COSClient cos = new COSClient(context,appid,config,peristenceId);

String appid =  "腾讯云注册的appid";
Context context = getApplicationContext()；
String peristenceId = "持久化Id";

//创建COSClientConfig对象，根据需要修改默认的配置参数
COSClientConfig config = new COSClientConfig();
//如设置园区
config.setEndPoint(COSEndPoint.COS_GZ);

COSClient cos = new COSClient(context,appid,config,peristenceId);

String bucket = "cos空间名称";
String cosPath = "远端路径，即存储到cos上的路径";
String srcPath = "本地文件的绝对路径";
String sign = "签名，此处使用多次签名";

PutObjectRequest putObjectRequest = new PutObjectRequest();
putObjectRequest.setBucket(bucket);
putObjectRequest.setCosPath(cosPath);
putObjectRequest.setSrcPath(srcPath);
putObjectRequest.setSign(sign);
putObjectRequest.setListener(new  IUploadTaskListener(){
    @Override
    public void onSuccess(COSRequest cosRequest, COSResult cosResult) {

         PutObjectResult result = (PutObjectResult) cosResult;
         if(result != null){
             StringBuilder stringBuilder = new StringBuilder();
             stringBuilder.append(" 上传结果： ret=" + result.code + "; msg =" +result.msg + "\\n");
             stringBuilder.append(" access_url= " + result.access_url == null ? "null" :result.access_url + "\\n");
             stringBuilder.append(" resource_path= " + result.resource_path == null ? "null" :result.resource_path + "\\n");
             stringBuilder.append(" url= " + result.url == null ? "null" :result.url);
             Log.w("TEST",stringBuilder.toString());
          }
     }

     @Override
     public void onFailed(COSRequest COSRequest, final COSResult cosResult) {
         Log.w("TEST","上传出错： ret =" +cosResult.code + "; msg =" + cosResult.msg);
     }

     @Override
     public void onProgress(COSRequest cosRequest, final long currentSize, final long totalSize) {
         float progress = (float)currentSize/totalSize;
         progress = progress *100;
         Log.w("TEST","进度：  " + (int)progress + "%"); 
      }
});
PutObjectResult result = cos.PutObject(putObjectRequest);

String downloadURl =  "下载文件的URL";
String savePath = "本地保存文件的路径";
String sign = "开启token防盗链了，则需要签名；否则，不需要";

GetObjectRequest getObjectRequest = new GetObjectRequest(downloadURl,savePath);
getObjectRequest.setSign(null);
getObjectRequest.setListener(new IDownloadTaskListener() {
    @Override
    public void onProgress(COSRequest cosRequest, final long currentSize, final long totalSize) {
        float progress =  currentSize / (float)totalSize;
        progress = progress * 100;
        progressText.setText("progress =" + (int) (progress) + "%");
        Log.w("TEST", "progress =" + (int) (progress) + "%");
   }

   @Override
   public void onSuccess(COSRequest cosRequest, COSResult cosResult) {
       Log.w("TEST","code =" + cosResult.code + "; msg =" + cosResult.msg);
   }

   @Override
   public void onFailed(COSRequest COSRequest, COSResult cosResult) {
        Log.w("TEST","code =" + cosResult.code + "; msg =" + cosResult.msg);
   }
});

GetObjectResult getObjectResult = cos.getObject(getObjectRequest);                


CreateDirRequest createDirRequest = new CreateDirRequest();
createDirRequest.setBucket(bucket);
createDirRequest.setCosPath(cosPath);
createDirRequest.setBiz_attr(biz_attr);
createDirRequest.setSign(sign);
createDirRequest.setListener(new ICmdTaskListener() {
    public void onSuccess(COSRequest cosRequest, COSResult cosResult) {
        final CreateDirResult createDirResult = (CreateDirResult) cosResult;
        Log.w("TEST","目录创建成功： ret=" + createDirResult.code + "; msg=" + createDirResult.msg 
            +"ctime = " + createDirResult.ctime));
    }

    @Override
    public void onFailed(COSRequest COSRequest, final COSResult cosResult) {
         Log.w("TEST","目录创建失败： ret=" + cosResult.code + "; msg=" + cosResult.msg);
    }
});

CreateDirResult result = cos.createDir(createDirRequest);

ListDirRequest listDirRequest = new ListDirRequest();
listDirRequest.setBucket(bucket);
listDirRequest.setCosPath(cosPath);
listDirRequest.setNum(100);
listDirRequest.setContent("");
listDirRequest.setSign(sign);
listDirRequest.setListener(new ICmdTaskListener() {
    @Override
    public void onSuccess(COSRequest cosRequest, COSResult cosResult) {
            //查询成功
        ListDirResult listObjectResult = (ListDirResult) cosResult;
        if(listObjectResult.infos != null && listObjectResult.infos.size() > 0) {
        for(int i = 0; i < length; i++){
            String str = listObjectResult.infos.get(i);
            try {
                JSONObject jsonObject = new JSONObject(str);
                if(jsonObject.has("sha")){
                 //当前搜索的结果是文件
                }else{
                //当前搜索的结果是文件夹
                }
            } catch (JSONException e) {
               e.printStackTrace();
            } 
     }
     }

        if (!listover) {
            // 存在下一页保存当前页的状态信息
            String content = result.content;
        }
    }

    @Override
    public void onFailed(COSRequest COSRequest, final COSResult cosResult) {
        Log.w("TEST",目录查询失败：ret=" + cosResult.code  + "; msg =" + cosResult.msg);
   }
});


// 支持前缀查询
listDirRequest.setPrefix(prefix);
ListDirResult result=cos.listDir(listDirRequest);

UpdateObjectRequest updateObjectRequest = new UpdateObjectRequest();
updateObjectRequest.setBucket(bucket);
updateObjectRequest.setCosPath(cosPath);
updateObjectRequest.setBizAttr(biz_attr);
updateObjectRequest.setSign(onceSign);
updateObjectRequest.setListener(new ICmdTaskListener() {
    @Override
    public void onSuccess(COSRequest cosRequest, COSResult cosResult) {
        //更新成功
        Log.w("TEST", cosResult.code+" : "+cosResult.msg);
    }

     @Override
     public void onFailed(COSRequest COSRequest, COSResult cosResult) {
         //更新失败
         Log.w("TEST", cosResult.code+" : "+cosResult.msg);
     }
});

UpdateObjectResult result = cos.updateObject(updateObjectRequest);

GetObjectMetadataRequest getObjectMetadataRequest = new GetObjectMetadataRequest();
getObjectMetadataRequest.setBucket(bucket);
getObjectMetadataRequest.setCosPath(cosPath);
getObjectMetadataRequest.setSign(sign);
getObjectMetadataRequest.setListener(new ICmdTaskListener() {
     @Override
     public void onSuccess(COSRequest cosRequest, COSResult cosResult) {
         GetObjectMetadataResult result = (GetObjectMetadataResult) cosResult;
         StringBuilder stringBuilder = new StringBuilder();
         stringBuilder.append("code=" + result.code + "; msg=" +result.msg + "\\n");
         stringBuilder.append("ctime =" +result.ctime + "; mtime=" +result.mtime + "\\n" );
         stringBuilder.append("biz_attr=" + result.biz_attr == null ? "" : result.biz_attr );
         Log.w("TEST",stringBuilder.toString());
      }

      @Override
      public void onFailed(COSRequest cosRequest, final COSResult cosResult) {
          Log.w("TEST", cosResult.code+" : "+cosResult.msg);
       }

});

GetObjectMetadataRequest result = cos.getObjectMetadata(getObjectMetadataRequest);  

RemoveEmptyDirRequest removeEmptyDirRequest = new RemoveEmptyDirRequest();
removeEmptyDirRequest.setBucket(bucket);
removeEmptyDirRequest.setCosPath(cosPath);
removeEmptyDirRequest.setSign(onceSign);
removeEmptyDirRequest.setListener(new ICmdTaskListener() {
    @Override
    public void onSuccess(COSRequest cosRequest, COSResult cosResult) {
        final DeleteObjectResult removeEmptyDirResult = (DeleteObjectResult) cosResult;
        Log.w("TEST","removeDir 结果： ret=" + removeEmptyDirResult.code + "; msg=" + removeEmptyDirResult.msg );
    }

    @Override
    public void onFailed(COSRequest COSRequest, final COSResult cosResult) {
        Log.w("TEST","目录删除失败：ret=" + cosResult.code  + "; msg =" + cosResult.msg);
    }
});

RemoveEmptyDirResult result = cos.removeEmptyDir(removeEmptyDirRequest); 


PutObjectRequest putObjectRequest = new PutObjectRequest();
putObjectRequest.setBucket(bucket);
putObjectRequest.setCosPath(cosPath);
putObjectRequest.setSrcPath(srcPath);
putObjectRequest.setSign(sign);

 /* 设置是否允许覆盖同名文件： "0"，允许覆盖；"1",不允许覆盖；
putObjectRequest.setInsertOnly("1");

//设置是否开启分片上传
putObjectRequest.setSliceFlag(true);//设置是否分片上传：true，分片上传;false,简单文件上传
putObjectRequest.setSlice_size(1024*1024);//分片上传时，分片的大小
 */

putObjectRequest.setListener(new  IUploadTaskListener(){
    @Override
    public void onSuccess(COSRequest cosRequest, COSResult cosResult) {

         PutObjectResult result = (PutObjectResult) cosResult;
         StringBuilder stringBuilder = new StringBuilder();
         stringBuilder.append(" 上传结果： ret=" + result.code + "; msg =" +result.msg + "\\n");
         stringBuilder.append(" access_url= " + result.access_url + "\\n");
         stringBuilder.append(" resource_path= " + result.resource_path + "\\n");
         stringBuilder.append(" url= " result.url);
         Log.w("TEST",stringBuilder.toString();
     }

    @Override
    public void onFailed(COSRequest COSRequest, final COSResult cosResult) {
         Log.w("TEST","上传出错： ret =" +cosResult.code + "; msg =" + cosResult.msg);
    }

    @Override
    public void onProgress(COSRequest cosRequest, final long currentSize, final long totalSize) {
         float progress = (float)currentSize/totalSize;
         progress = progress *100;
         Log.w("TEST","进度：  " + (int)progress + "%");
    }
});

PutObjectResult result = cos.putObject(putObjectRequest);

UpdateObjectRequest updateObjectRequest = new UpdateObjectRequest();
updateObjectRequest.setBucket(bucket);
updateObjectRequest.setCosPath(cosPath);
updateObjectRequest.setBizAttr(biz_attr);
updateObjectRequest.setAuthority(authority);
updateObjectRequest.setCustomHeader(customer);
updateObjectRequest.setSign(onceSign);
updateObjectRequest.setListener(new ICmdTaskListener() {
    @Override
    public void onSuccess(COSRequest cosRequest, COSResult cosResult) {
        Log.w("TEST", cosResult.code+" : "+cosResult.msg);
    }

    @Override
    public void onFailed(COSRequest COSRequest, COSResult cosResult) {
                        Log.w("TEST", cosResult.code+" : "+cosResult.msg);
    }
});

UpdateObjectResult result= cos.updateObject(updateObjectRequest);