Yangfan questions

Yangfan answers

• `GeneratePresignedUrl` needs AsyncTask?
• Using Java AWS SDK Vs Android AWS SDK on Android
• Amazon sns (push notification) does not send to IOS application
• am getting error after i created amazon coginto in android
• SSLException due uploading item for Amazon service
• Conflict with android package - Amazon SNS
• Download apk file from S3 using DownloadManager
• Proguard gives errors with AWS SDK for Android
• Android AWS SDK Version 2.2.1 - gethttprequest depricated, not able to find replacement
• Amazon Kinesis with iOS