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Error while compiling multidex library after updating SDK

I am pretty new to Android Studio.
I have converted my Eclipse project to Android Studio successfully. everything worked fine, until today I updated my SDK and suddenly it started giving me error
> Error: A problem occurred configuring project ':app'.
> Could not resolve all dependencies for configuration ':app:_debugCompile'.
> Could not find com.android.support:multidex:1.0.1.
Searched in the following locations:
https://jcenter.bintray.com/com/android/support/multidex/1.0.1/multidex-1.0.1.pom
https://jcenter.bintray.com/com/android/support/multidex/1.0.1/multidex-1.0.1.jar
https://jitpack.io/com/android/support/multidex/1.0.1/multidex-1.0.1.pom
https://jitpack.io/com/android/support/multidex/1.0.1/multidex-1.0.1.jar
file:/C:/Users/as/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/multidex/1.0.1/multidex-1.0.1.pom
file:/C:/Users/as/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/multidex/1.0.1/multidex-1.0.1.jar
file:/C:/Users/as/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/multidex/1.0.1/multidex-1.0.1.pom
file:/C:/Users/as/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/multidex/1.0.1/multidex-1.0.1.jar
Required by:
ElalaSeller:app:unspecified
when I rebuild my project. it says
Error:(25, 13) Failed to resolve: com.android.support:multidex:1.0.1
Install Repository and sync project
Show in File
Show in Project Structure dialog
I checked Android support repository is installed.
Any help will be appreciated.
Thank you.
Update : I have checked this Question. most upvoted answer says install Android Support Repository. but in my case i already have installed it. you can see in screenshot i have uploaded. but still getting same error.
I have cleaned my project but still no change.

Failed to resolve dependencies .?

Hello i have just imported my android studio project from one pc to another one and when building it is showing the error , Unresolved dependencies detected while building project in offine mode . I have unchecked OFFLINE WORK in Gradle settings . After Unchecking it its now showing the error
A problem occurred configuring project ':app'.
> Could not resolve all dependencies for configuration ':app:_debugCompile'.
> Could not find com.android.support:support-v4:23.0.1.
Searched in the following locations:
https://jcenter.bintray.com/com/android/support/support-v4/23.0.1/support-v4-23.0.1.pom
https://jcenter.bintray.com/com/android/support/support-v4/23.0.1/support-v4-23.0.1.jar
file:/C:/Users/user/AppData/Local/Android/sdk1/extras/android/m2repository/com/android/support/support-v4/23.0.1/support-v4-23.0.1.pom
file:/C:/Users/user/AppData/Local/Android/sdk1/extras/android/m2repository/com/android/support/support-v4/23.0.1/support-v4-23.0.1.jar
file:/C:/Users/user/AppData/Local/Android/sdk1/extras/google/m2repository/com/android/support/support-v4/23.0.1/support-v4-23.0.1.pom
file:/C:/Users/user/AppData/Local/Android/sdk1/extras/google/m2repository/com/android/support/support-v4/23.0.1/support-v4-23.0.1.jar
Required by:
TheFlame:app:unspecified > com.android.support:appcompat-v7:22.2.0
TheFlame:app:unspecified > com.android.support:design:22.2.0
TheFlame:app:unspecified > com.android.support:recyclerview-v7:22.2.0
Could not find com.android.support:support-v4:23.0.1.
Searched in the following locations:
https://jcenter.bintray.com/com/android/support/support-v4/23.0.1/support-v4-23.0.1.pom
https://jcenter.bintray.com/com/android/support/support-v4/23.0.1/support-v4-23.0.1.jar
file:/C:/Users/user/AppData/Local/Android/sdk1/extras/android/m2repository/com/android/support/support-v4/23.0.1/support-v4-23.0.1.pom
file:/C:/Users/user/AppData/Local/Android/sdk1/extras/android/m2repository/com/android/support/support-v4/23.0.1/support-v4-23.0.1.jar
file:/C:/Users/user/AppData/Local/Android/sdk1/extras/google/m2repository/com/android/support/support-v4/23.0.1/support-v4-23.0.1.pom
file:/C:/Users/user/AppData/Local/Android/sdk1/extras/google/m2repository/com/android/support/support-v4/23.0.1/support-v4-23.0.1.jar
Required by:
TheFlame:app:unspecified > me.dm7.barcodescanner:zxing:1.8.3 > me.dm7.barcodescanner:core:1.8.3
can anyone please help me on this fast.

Similiar Issue
Make sure to update both "Android Support Repository" and "Android Support Library" in SDK Manager
And also ensure the Gradle Sync is completed in Android Studio.

Try this:
1) Open SDK Manager
2) Launch standalone SDK Manager
3) Extras and check update for Support Library
4) Install it
5) Sync Gradle

IN android studio i try to run simple hello world program

Error:A problem occurred configuring project ':app'.
Could not resolve all dependencies for configuration ':app:_debugCompile'.
Could not find com.android.support:appcompat-v7:22.1.0.
Searched in the following locations:
https://jcenter.bintray.com/com/android/support/appcompat-v7/22.1.0/appcompat-v7-22.1.0.pom
https://jcenter.bintray.com/com/android/support/appcompat-v7/22.1.0/appcompat-v7-22.1.0.jar
file:/C:/Users/sivaram/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/appcompat-v7/22.1.0/appcompat-v7-22.1.0.pom
file:/C:/Users/sivaram/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/appcompat-v7/22.1.0/appcompat-v7-22.1.0.jar
file:/C:/Users/sivaram/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/appcompat-v7/22.1.0/appcompat-v7-22.1.0.pom
file:/C:/Users/sivaram/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/appcompat-v7/22.1.0/appcompat-v7-22.1.0.jar
Required by:
Firstone:app:unspecified

Make sure you've already download the android studio sdk, available here:
https://developer.android.com/sdk/installing/index.html
If you already download try to install in the SDK manager the support library.
Hope it help you.

Error:Failed to find: com.google.protobuf:protobuf-java:2.5 in Android Studio imported project

I imported an existing Android project in the Android Studio but it does not build because of this :
Error:A problem occurred configuring project ':appName'.
> A problem occurred configuring project ':myTracksLib'.
> Could not resolve all dependencies for configuration ':myTracksLib:_debugCompile'.
> Could not find com.google.protobuf:protobuf-java:2.5.
Searched in the following locations:
https://jcenter.bintray.com/com/google/protobuf/protobuf-java/2.5/protobuf-java-2.5.pom
https://jcenter.bintray.com/com/google/protobuf/protobuf-java/2.5/protobuf-java-2.5.jar
file:/Users/name/Library/Android/sdk/extras/android/m2repository/com/google/protobuf/protobuf-java/2.5/protobuf-java-2.5.pom
file:/Users/name/Library/Android/sdk/extras/android/m2repository/com/google/protobuf/protobuf-java/2.5/protobuf-java-2.5.jar
file:/Users/name/Library/Android/sdk/extras/google/m2repository/com/google/protobuf/protobuf-java/2.5/protobuf-java-2.5.pom
file:/Users/name/Library/Android/sdk/extras/google/m2repository/com/google/protobuf/protobuf-java/2.5/protobuf-java-2.5.jar
Required by:
AppName:myTracksLib:unspecified
How can I solve that? Project builds in Eclipse so I do not know why this is happening.
I have seen this but I do not know how it related to Android Studio or not.

According to the search function of Maven Central:
http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22com.google.protobuf%22%20AND%20a%3A%22protobuf-java%22
There's a 2.5.0 version, not 2.5. Try changing the version in your build script to 2.5.0.

intellij new Android Gradle Project

I have the latest edition of Intellij.
After creating a blank Gradle Android Project I get the following error message when attempting to build the project:
Error:Gradle: A problem occurred configuring project ':app'.
Could not resolve all dependencies for configuration ':app:_debugCompile'.
Could not find any version that matches com.android.support:appcompat-v7:19.+.
Required by:
test6:app:unspecified
How can I fix this?