在分段上传请求中实现 ProgressDialog

时间:2023-01-13
本文介绍了在分段上传请求中实现 ProgressDialog的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我正在使用以下方法将图像从 Android 上传到服务器.

I am using following method to upload an image from Android to server.

 public void uploadMultipart() {
        //getting name for the image
        String name = editText.getText().toString().trim();

        //getting the actual path of the image
        String path = getPath(filePath);


        progress = ProgressDialog.show(this, "Subiendo imagen",
                "Por favor, espere...", true);
        //Uploading code
        try {
            String uploadId = UUID.randomUUID().toString();

            //Creating a multi part request
            new MultipartUploadRequest(this, uploadId, Constants.UPLOAD_URL)
                    .addFileToUpload(path, "image") //Adding file
                    .addParameter("name", name) //Adding text parameter to the request
                    .setNotificationConfig(new UploadNotificationConfig())
                    .setMaxRetries(2)
                    .startUpload(); //Starting the upload


        } catch (Exception exc) {
            Toast.makeText(this, exc.getMessage(), Toast.LENGTH_SHORT).show();
        }

    }

现在我想实现一个 ProgressDialog,它应该在上传完成时被关闭.我不知道多部分请求何时结束.

Now I want to implement a ProgressDialog that should be dismissed when the upload finishes. I don´t know when the multi part request ends.

谢谢

推荐答案

有这个类:

public class SingleUploadBroadcastReceiver extends UploadServiceBroadcastReceiver {

    public interface Delegate {
        void onProgress(int progress);
        void onProgress(long uploadedBytes, long totalBytes);
        void onError(Exception exception);
        void onCompleted(int serverResponseCode, byte[] serverResponseBody);
        void onCancelled();
    }

    private String mUploadID;
    private Delegate mDelegate;

    public void setUploadID(String uploadID) {
        mUploadID = uploadID;
    }

    public void setDelegate(Delegate delegate) {
        mDelegate = delegate;
    }

    @Override
    public void onProgress(String uploadId, int progress) {
        if (uploadId.equals(mUploadID) && mDelegate != null) {
            mDelegate.onProgress(progress);
        }
    }

    @Override
    public void onProgress(String uploadId, long uploadedBytes, long totalBytes) {
        if (uploadId.equals(mUploadID) && mDelegate != null) {
            mDelegate.onProgress(uploadedBytes, totalBytes);
        }
    }

    @Override
    public void onError(String uploadId, Exception exception) {
        if (uploadId.equals(mUploadID) && mDelegate != null) {
            mDelegate.onError(exception);
        }
    }

    @Override
    public void onCompleted(String uploadId, int serverResponseCode, byte[] serverResponseBody) {
        if (uploadId.equals(mUploadID) && mDelegate != null) {
            mDelegate.onCompleted(serverResponseCode, serverResponseBody);
        }
    }

    @Override
    public void onCancelled(String uploadId) {
        if (uploadId.equals(mUploadID) && mDelegate != null) {
            mDelegate.onCancelled();
        }
    }
}

然后在你的活动中:

public class YourActivity extends Activity implements SingleUploadBroadcastReceiver.Delegate {

    private static final String TAG = "AndroidUploadService";

    private final SingleUploadBroadcastReceiver uploadReceiver =
        new SingleUploadBroadcastReceiver();

    @Override
    protected void onResume() {
        super.onResume();
        uploadReceiver.register(this);
    }

    @Override
    protected void onPause() {
        super.onPause();
        uploadReceiver.unregister(this);
    }

    public void uploadMultipart(final Context context) {
        try {
            String uploadId = UUID.randomUUID().toString();
            uploadReceiver.setDelegate(this);
            uploadReceiver.setUploadID(uploadId);

            new MultipartUploadRequest(context, uploadId, "http://upload.server.com/path")
                .addFileToUpload("/absolute/path/to/your/file", "your-param-name")
                .setNotificationConfig(new UploadNotificationConfig())
                .setMaxRetries(2)
                .startUpload();

        } catch (Exception exc) {
            Log.e(TAG, exc.getMessage(), exc);
        }
    }

    @Override
    public void onProgress(int progress) {
        //your implementation
    }

    @Override
    public void onProgress(long uploadedBytes, long totalBytes) {
        //your implementation
    }

    @Override
    public void onError(Exception exception) {
        //your implementation
    }

    @Override
    public void onCompleted(int serverResponseCode, byte[] serverResponseBody) {
        //your implementation
    }

    @Override
    public void onCancelled() {
        //your implementation
    }

}

现在您将在上传成功/不成功时触发适当的回调.

Now you'll have appropriate callbacks fired upon successful/unsuccessful upload.

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