title: Android toolchain - develop for Android devices (Android SDK version 29.0.2)
body: <p>I got following error when I run "<strong>flutter doctor --android-licenses</strong>" command</p>
  
  <pre><code>A newer version of the Android SDK is required. To update, run:
  /Users/taleb/Library/Android/sdk/tools/bin/sdkmanager --update
  </code></pre>
  
  <p>notice: </p>
  
  <pre><code> * my android SDK is updated
   * I added all of the paths to 'bash_profile' (mac)
  </code></pre>
  
  <p>this is my '<strong>bash_profile</strong>'</p>
  
  <pre><code>export PATH="$PATH:/⁨Users⁩/taleb⁩/Library/Android⁩/sdk⁩/platform-tools"
  export ANDROID_HOME=$HOME/Library/Android/sdk
  export PATH=$PATH:$ANDROID_HOME/tools⁩
  export PATH=$PATH:$ANDROID_HOME/platform-tools⁩
  export PATH="$PATH:/Users/taleb/Developer/flutter/bin"
  </code></pre>
  
  <p>I also run "<strong>sdkmanager --update</strong>" command but I got the following error: </p>
  
  <pre><code>Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema
      at com.android.repository.api.SchemaModule$SchemaModuleVersion.&lt;init&gt;(SchemaModule.java:156)
      at com.android.repository.api.SchemaModule.&lt;init&gt;(SchemaModule.java:75)
      at com.android.sdklib.repository.AndroidSdkHandler.&lt;clinit&gt;(AndroidSdkHandler.java:81)
      at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:73)
      at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:48)
  Caused by: java.lang.ClassNotFoundException: javax.xml.bind.annotation.XmlSchema
      at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:602)
      at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
      at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
      ... 5 more
  </code></pre>