errors when build

[ghost]

When Cordova build
cordova v 6.4
the minSdkVersion of Cordova project is configured to 16 by default.

Error: /Users/brodyr/desktop/spruce-real-estate/spruce/platforms/android/gradlew: Command failed with exit code 1 Error output:
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/com/shoety/plugin/InAppBrowserXwalk.java:17: error: cannot find symbol
import org.xwalk.core.internal.XWalkCookieManager;
                              ^
  symbol:   class XWalkCookieManager
  location: package org.xwalk.core.internal
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkCordovaClientCertRequest.java:22: error: cannot find symbol
import org.xwalk.core.ClientCertRequest;
                     ^
  symbol:   class ClientCertRequest
  location: package org.xwalk.core
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkCordovaClientCertRequest.java:31: error: cannot find symbol
    private final ClientCertRequest request;
                  ^
  symbol:   class ClientCertRequest
  location: class XWalkCordovaClientCertRequest
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkCordovaClientCertRequest.java:33: error: cannot find symbol
    public XWalkCordovaClientCertRequest(ClientCertRequest request) {
                                         ^
  symbol:   class ClientCertRequest
  location: class XWalkCordovaClientCertRequest
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkCordovaHttpAuthHandler.java:22: error: cannot find symbol
import org.xwalk.core.XWalkHttpAuthHandler;
                     ^
  symbol:   class XWalkHttpAuthHandler
  location: package org.xwalk.core
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkCordovaHttpAuthHandler.java:30: error: cannot find symbol
    private final XWalkHttpAuthHandler handler;
                  ^
  symbol:   class XWalkHttpAuthHandler
  location: class XWalkCordovaHttpAuthHandler
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkCordovaHttpAuthHandler.java:32: error: cannot find symbol
    public XWalkCordovaHttpAuthHandler(XWalkHttpAuthHandler handler) {
                                       ^
  symbol:   class XWalkHttpAuthHandler
  location: class XWalkCordovaHttpAuthHandler
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkCordovaResourceClient.java:32: error: cannot find symbol
import org.xwalk.core.ClientCertRequest;
                     ^
  symbol:   class ClientCertRequest
  location: package org.xwalk.core
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkCordovaResourceClient.java:33: error: cannot find symbol
import org.xwalk.core.XWalkHttpAuthHandler;
                     ^
  symbol:   class XWalkHttpAuthHandler
  location: package org.xwalk.core
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkWebViewEngine.java:51: error: cannot find symbol
import org.xwalk.core.XWalkGetBitmapCallback;
                     ^
  symbol:   class XWalkGetBitmapCallback
  location: package org.xwalk.core
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkCordovaResourceClient.java:132: error: cannot find symbol
    public void onReceivedHttpAuthRequest(XWalkView view, XWalkHttpAuthHandler handler,
                                                          ^
  symbol:   class XWalkHttpAuthHandler
  location: class XWalkCordovaResourceClient
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkCordovaResourceClient.java:148: error: cannot find symbol
    public void onReceivedClientCertRequest(XWalkView view, ClientCertRequest request) {
                                                            ^
  symbol:   class ClientCertRequest
  location: class XWalkCordovaResourceClient
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/com/shoety/plugin/InAppBrowserXwalk.java:96: error: cannot find symbol
                XWalkCookieManager mCookieManager = new XWalkCookieManager();
                ^
  symbol: class XWalkCookieManager
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/com/shoety/plugin/InAppBrowserXwalk.java:96: error: cannot find symbol
                XWalkCookieManager mCookieManager = new XWalkCookieManager();
                                                        ^
  symbol: class XWalkCookieManager
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkCordovaResourceClient.java:131: error: method does not override or implement a method from a supertype
    @Override
    ^
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkCordovaResourceClient.java:147: error: method does not override or implement a method from a supertype
    @Override
    ^
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkWebViewEngine.java:109: error: cannot find symbol
                                            new XWalkGetBitmapCallback() {
                                                ^
  symbol: class XWalkGetBitmapCallback
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkWebViewEngine.java:205: error: cannot find symbol
            webView.setUserAgentString(webView.getUserAgentString() + " " + appendUserAgent);
                                              ^
  symbol:   method getUserAgentString()
  location: variable webView of type XWalkCordovaView
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkWebViewEngine.java:233: error: cannot find symbol
            webView.getExtensionManager().loadExtension(XWALK_EXTENSIONS_FOLDER + File.separator + path);
                   ^
  symbol:   method getExtensionManager()
  location: variable webView of type XWalkCordovaView
/Users/brodyr/Desktop/spruce-real-estate/spruce/platforms/android/src/org/crosswalk/engine/XWalkCordovaView.java:93: error: method does not override or implement a method from a supertype
    @Override
    ^
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
20 errors

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':compileArmv7DebugJavaWithJavac'.
> Compilation failed; see the compiler error output for details.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.