我的代码如下所示:
final AmazonS3Client s3Client = new AmazonS3Client(new BasicAWSCredentials(s3AccessKeyId, s3SecretAccessKey));
final TransferUtility util = TransferUtility.
builder().s3Client(s3Client).context(context).build();
如果从升级 'com.amazonaws:AWS-Android的SDK-S3:2.7.5' 到 'com.amazonaws:AWS-Android的SDK-S3:2.11.0' 我碰到下面的错误在我logcat中,即使上传的内容仍在工作:
E/nsferNetworkLossHandler: TransferNetworkLossHandler is not created. Please call `TransferNetworkLossHandler.getInstance(Context)` to instantiate it before retrieving
E/UploadTask: TransferUtilityException: [com.amazonaws.mobileconnectors.s3.transferutility.TransferUtilityException: TransferNetworkLossHandler is not created. Please call `TransferNetworkLossHandler.getInstance(Context)` to instantiate it before retrieving]
当我改变我的代码,包括TransferNetworkLossHandler:
TransferNetworkLossHandler.getInstance(context);
final AmazonS3Client s3Client = new AmazonS3Client(new BasicAWSCredentials(s3AccessKeyId, s3SecretAccessKey));
final TransferUtility util = TransferUtility.
builder().s3Client(s3Client).context(context).build();
没有用它做任何事情,我得到没有更多的错误。
然而,这是此错误消息并不打算如何。它告诉你使用TransferNetworkLossHandler,但对如何使用它的文档。
我只是想显示错误(如烤面包或一个AlertDialog)的用户,如果上传不工作。所以我不需要处理的。但我也不想被写进我的日志每次错误消息。此外,我不希望使用的只是抓一个实例,并没有做任何事的这个hackish的解决方案。
什么是正确使用此处理我的案子吗?
我读release_v2.11.0和release_v2.11.1(释放23hs前)更改日志,并且它们表示了下:
你的情况ü可以包括TransferNetworkLossHandler以避免该错误消息,并使用TransferListener检测状态更改为“WAITING_FOR_NETWORK”,“失败”或“错误”,并通知用户:
TransferObserver transferObserver;
transferObserver = transferUtility.upload(UPLOAD_FOLDER+fileName, fileToUpload);
transferObserver.setTransferListener(new UploadListener());
/**
* Upload listener to check transfer states and progress
*/
private class UploadListener implements TransferListener {
@Override
public void onStateChanged(int id, TransferState state) {
Log.d(TAG, "onStateChanged: " + id + ", " + state.toString());
// If upload error, failed or network disconnect
if(state == TransferState.ERROR || state == TransferState.FAILED || state == TransferState.WAITING_FOR_NETWORK){
// HERE end service and notice user !!!
}
}
@Override public void onProgressChanged(int id, long bytesCurrent, long bytesTotal) {
float percentDonef = ((float) bytesCurrent / (float) bytesTotal) * 100; int percentDone = (int)percentDonef;
Log.d(TAG, "ID:" + id + " bytesCurrent: " + bytesCurrent + " bytesTotal: " + bytesTotal + " " + percentDone + "%");
}
@Override public void onError(int id, Exception ex) {
Log.e(TAG, ex);
}
}