<sourcePath>
          <root type="composite">
            <root type="simple" url="file://F:/study/andoridSource/platform_frameworks_base/core/java" />
          </root>
        </sourcePath

<jdk version="2">
      <name value="Android API 26 Platform" />
      <type value="Android SDK" />
      <homePath value="F:\developer\android\sdk" />
      <roots>
        <annotationsPath>
          <root type="composite">
            <root type="simple" url="jar://$APPLICATION_HOME_DIR$/plugins/android/lib/androidAnnotations.jar!/" />
          </root>
        </annotationsPath>
        <classPath>
          <root type="composite">
            <root type="simple" url="jar://F:/developer/android/sdk/platforms/android-26/android.jar!/" />
            <root type="simple" url="file://F:/developer/android/sdk/platforms/android-26/data/res" />
          </root>
        </classPath>
        <javadocPath>
          <root type="composite">
            <root type="simple" url="file://F:/developer/android/sdk/docs/reference" />
          </root>
        </javadocPath>
        <sourcePath>
          <root type="composite">
            <root type="simple" url="file://F:/study/andoridSource/platform_frameworks_base/core/java" />
          </root>
        </sourcePath>
      </roots>
      <additional jdk="1.8" sdk="android-26" />
    </jdk>
``