Problem in new project blank android in visual studio 2015

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Hi,
I Xamarin installed in visual studio 2015.
Through a new option in visual studio 2015 when I create an Android project, the following error message.

"object reference not set to an instance of an object"

In addition, the SDK-Manager in the photo below I do not see this is a problem or not. But none of the following messages created will not install android api level.

HTML

Preparing to install archives
Downloading Android SDK Tools, revision 25.2.2
Download finished with wrong size. Expected 301642481 bytes, got 1487 bytes.
Downloading SDK Platform Android 5.1.1, API 22, revision 2
Download interrupted: Unexpected HTTP Status 416
Downloading Sources for Android SDK, API 22, revision 1
Download interrupted: Unexpected HTTP Status 416
Skipping 'Android TV ARM EABI v7a System Image, Android API 22, revision 1'; it depends on 'SDK Platform Android 5.1.1, API 22, revision 2' which was not installed.
Skipping 'Android TV Intel x86 Atom System Image, Android API 22, revision 3'; it depends on 'SDK Platform Android 5.1.1, API 22, revision 2' which was not installed.
Skipping 'Android Wear ARM EABI v7a System Image, Android API 22, revision 7'; it depends on 'SDK Platform Android 5.1.1, API 22, revision 2' which was not installed.
Skipping 'Android Wear Intel x86 Atom System Image, Android API 22, revision 7'; it depends on 'SDK Platform Android 5.1.1, API 22, revision 2' which was not installed.
Skipping 'ARM EABI v7a System Image, Android API 22, revision 1'; it depends on 'SDK Platform Android 5.1.1, API 22, revision 2' which was not installed.
Skipping 'Intel x86 Atom_64 System Image, Android API 22, revision 5'; it depends on 'SDK Platform Android 5.1.1, API 22, revision 2' which was not installed.
Skipping 'Intel x86 Atom System Image, Android API 22, revision 5'; it depends on 'SDK Platform Android 5.1.1, API 22, revision 2' which was not installed.
Skipping 'Google APIs ARM EABI v7a System Image, Android API 22, revision 10'; it depends on 'SDK Platform Android 5.1.1, API 22, revision 2' which was not installed.
Skipping 'Google APIs Intel x86 Atom_64 System Image, Android API 22, revision 10'; it depends on 'SDK Platform Android 5.1.1, API 22, revision 2' which was not installed.
Skipping 'Google APIs Intel x86 Atom System Image, Android API 22, revision 10'; it depends on 'SDK Platform Android 5.1.1, API 22, revision 2' which was not installed.
Skipping 'Google APIs, Android API 22, revision 1'; it depends on 'SDK Platform Android 5.1.1, API 22, revision 2' which was not installed.
Done. Nothing was installed.

link image(status SDK-Manager)

What I have tried:

when I create an Android project in visual studio, error message.

Posted 20-Oct-16 4:46am

me64

Updated 20-Oct-16 5:00am

Richard MacCutchan

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Richard MacCutchan · Answer 1 · 2016-10-20T05:00:00

Solution 1

It is clear from the first few messages that something has gone wrong while you tried to download the SDK components, so you do not have a valid installation. You will never be able to create a project until you fix that.

Posted 20-Oct-16 5:00am

Richard MacCutchan

Comments

me64 20-Oct-16 11:24am

How do I fix?

Afzaal Ahmad Zeeshan 20-Oct-16 11:40am

Reinstall the SDK. There is some sort of network related problem going on. You can start the SDK separately and install the binaries first. Then later on, try using the project creator.