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How to Upload Image and JSON to Server

Hi am Fresher in android . am creating a app which i need to upload captured image and JSON data which i got from QRcode to PHP server. But am getting Secret_key not matched message when i debug.  I Checked API from postman the server is ...

How to Resolve Android Oreo Signalr Error?

Hello,   When i am using singalr client sdk in android studio its working fine emulator API 23, but when i am change emulator API 26 (Android 8.0 oreo) its shown error like "Installation failed with message Failed to finalize sess...

How to Resolve AppActivity Crash Issue On This Code and Barchart Not See?

Need a help in appactivity crash issue My code is: package; import; import; import android.os.AsyncTask; import; import andro...

Is there any, ONE App Development Language for ANDROID, WINDOWS and iPHONE?

Hi, I want to develop a mobile application for Android, windows and iPhone. I heard that Google developed a language in which you can develop application for Android, windows and iPhone by using just one language or may b just one platform. Bu...
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