title: Make sure you have an Android emulator running or a device connected and have
body: <p>I tried to run the <code>react-native run-android</code> through my React Project. After that, I got an error like the following.</p>
  
  <pre><code>  Starting JS server...
  Building and installing the app on the device (cd android &amp;&amp; gradlew.bat installDebug...
  
  FAILURE: Build failed with an exception.
  
  * What went wrong:
  A problem occurred configuring project ':app'.
  &gt; Could not resolve all dependencies for configuration ':app:_debugCompile'.
     &gt; Could not find com.android.support:appcompat-v7:23.0.1.
       Searched in the following locations:
           file:/C:/Users/DELL/.m2/repository/com/android/support/appcompat-v7/23.0.1/appcompat-v7-23.0.1.pom
           file:/C:/Users/DELL/.m2/repository/com/android/support/appcompat-v7/23.0.1/appcompat-v7-23.0.1.jar
           https://jcenter.bintray.com/com/android/support/appcompat-v7/23.0.1/appcompat-v7-23.0.1.pom
           https://jcenter.bintray.com/com/android/support/appcompat-v7/23.0.1/appcompat-v7-23.0.1.jar
           file:/F:/Android/react/AwesomeProject/node_modules/react-native/android/com/android/support/appcompat-v7/23.0.1/appcompat-v7-23.0.1.pom
           file:/F:/Android/react/AwesomeProject/node_modules/react-native/android/com/android/support/appcompat-v7/23.0.1/appcompat-v7-23.0.1.jar
       Required by:
           AwesomeProject:app:unspecified
           AwesomeProject:app:unspecified &gt; com.facebook.react:react-native:0.27.2
     &gt; Could not find com.android.support:recyclerview-v7:23.0.1.
       Searched in the following locations:
           file:/C:/Users/DELL/.m2/repository/com/android/support/recyclerview-v7/23.0.1/recyclerview-v7-23.0.1.pom
           file:/C:/Users/DELL/.m2/repository/com/android/support/recyclerview-v7/23.0.1/recyclerview-v7-23.0.1.jar
           https://jcenter.bintray.com/com/android/support/recyclerview-v7/23.0.1/recyclerview-v7-23.0.1.pom
           https://jcenter.bintray.com/com/android/support/recyclerview-v7/23.0.1/recyclerview-v7-23.0.1.jar
           file:/F:/Android/react/AwesomeProject/node_modules/react-native/android/com/android/support/recyclerview-v7/23.0.1/recyclerview-v7-23.0.1.pom
           file:/F:/Android/react/AwesomeProject/node_modules/react-native/android/com/android/support/recyclerview-v7/23.0.1/recyclerview-v7-23.0.1.jar
       Required by:
           AwesomeProject:app:unspecified &gt; com.facebook.react:react-native:0.27.2
     &gt; Could not find com.android.support:support-v4:23.1.1.
       Searched in the following locations:
           file:/C:/Users/DELL/.m2/repository/com/android/support/support-v4/23.1.1/support-v4-23.1.1.pom
           file:/C:/Users/DELL/.m2/repository/com/android/support/support-v4/23.1.1/support-v4-23.1.1.jar
           https://jcenter.bintray.com/com/android/support/support-v4/23.1.1/support-v4-23.1.1.pom
           https://jcenter.bintray.com/com/android/support/support-v4/23.1.1/support-v4-23.1.1.jar
           file:/F:/Android/react/AwesomeProject/node_modules/react-native/android/com/android/support/support-v4/23.1.1/support-v4-23.1.1.pom
           file:/F:/Android/react/AwesomeProject/node_modules/react-native/android/com/android/support/support-v4/23.1.1/support-v4-23.1.1.jar
       Required by:
           AwesomeProject:app:unspecified &gt; com.facebook.react:react-native:0.27.2 &gt; com.facebook.fresco:fresco:0.10.0 &gt; com.facebook.fresco:drawee:0.10.0
           AwesomeProject:app:unspecified &gt; com.facebook.react:react-native:0.27.2 &gt; com.facebook.fresco:fresco:0.10.0 &gt; com.facebook.fresco:imagepipeline:0.10.0
           AwesomeProject:app:unspecified &gt; com.facebook.react:react-native:0.27.2 &gt; com.facebook.fresco:fresco:0.10.0 &gt; com.facebook.fresco:imagepipeline:0.10.0 &gt; com.facebook.fresco:imagepipeline-base:0.10.0
  
  * Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
  
  BUILD FAILED
  
  Total time: 17.502 secs
  Could not install the app on the device, read the error above for details.
  Make sure you have an Android emulator running or a device connected and have
  set up your Android development environment:
  https://facebook.github.io/react-native/docs/android-setup.html
  </code></pre>
  
  <p>I installed Android SDK and set Android Home and Path Environmental Variable successfully. But I am still getting the same error.</p>
  
  <p>I also installed Gennymotion on my pc for creating virtual android device.</p>