我在计算机上安装了nativescript-vue，一切正常！ 但是，当我想使用“ NativeScript Playground QR App ”在我的android设备（usb）上运行该应用程序时，它给了我这个错误代码：
> tns运行android --bundle
An uncaught Exception occurred on "main" thread.
java.lang.RuntimeException: Unable to start activity ComponentInfo{org.nativescript.preview/com.tns.NativeScriptActivity}: com.tns.NativeScriptException:
Calling js method onCreate failed
TypeError: Cannot read property 'create' of undefined
File: "file:///data/data/org.nativescript.preview/files/app/tns_modules/tns-core-modules/ui/builder/builder.js, line: 75, column: 14
StackTrace:
Frame: function:'', file:'file:///data/data/org.nativescript.preview/files/app/tns_modules/tns-core-modules/ui/builder/builder.js', line: 75, column: 15
Frame: function:'FrameBase.navigate', file:'file:///data/data/org.nativescript.preview/files/app/tns_modules/tns-core-modules/ui/frame/frame-common.js', line: 119, column: 30
Frame: function:'ActivityCallbacksImplementation.setActivityContent', file:'file:///data/data/org.nativescript.preview/files/app/tns_modules/tns-core-modules/ui/frame/frame.js', line: 863, column: 30
Frame: function:'ActivityCallbacksImplementation.onCreate', file:'file:///data/data/org.nativescript.preview/files/app/tns_modules/tns-core-modules/ui/frame/frame.js', line: 722, column: 14
Frame: function:'NativeScriptActivity.onCreate', file:'file:///data/data/org.nativescript.preview/files/app/tns_modules/tns-core-modules/ui/frame/activity.js', line: 20, column: 25
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3194)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3302)
at android.app.ActivityThread.-wrap12(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1891)
at android.os.Handler.dispatchMessage(Handler.java:108)
at android.os.Looper.loop(Looper.java:166)
at android.app.ActivityThread.main(ActivityThread.java:7425)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:245)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:921)
Caused by: com.tns.NativeScriptException:
Calling js method onCreate failed
TypeError: Cannot read property 'create' of undefined
File: "file:///data/data/org.nativescript.preview/files/app/tns_modules/tns-core-modules/ui/builder/builder.js, line: 75, column: 14
StackTrace:
Frame: function:'', file:'file:///data/data/org.nativescript.preview/files/app/tns_modules/tns-core-modules/ui/builder/builder.js', line: 75, column: 15
Frame: function:'FrameBase.navigate', file:'file:///data/data/org.nativescript.preview/files/app/tns_modules/tns-core-modules/ui/frame/frame-common.js', line: 119, column: 30
Frame: function:'ActivityCallbacksImplementation.setActivityContent', file:'file:///data/data/org.nativescript.preview/files/app/tns_modules/tns-core-modules/ui/frame/frame.js', line: 863, column: 30
Frame: function:'ActivityCallbacksImplementation.onCreate', file:'file:///data/data/org.nativescript.preview/files/app/tns_modules/tns-core-modules/ui/frame/frame.js', line: 722, column: 14
Frame: function:'NativeScriptActivity.onCreate', file:'file:///data/data/org.nativescript.preview/files/app/tns_modules/tns-core-modules/ui/frame/activity.js', line: 20, column: 25
at com.tns.Runtime.callJSMethodNative(Native Method)
at com.tns.Runtime.dispatchCallJSMethodNative(Runtime.java:1116)
at com.tns.Runtime.callJSMethodImpl(Runtime.java:996)
at com.tns.Runtime.callJSMethod(Runtime.java:983)
at com.tns.Runtime.callJSMethod(Runtime.java:967)
at com.tns.Runtime.callJSMethod(Runtime.java:959)
at com.tns.NativeScriptActivity.onCreate(NativeScriptActivity.java:18)
at android.app.Activity.performCreate(Activity.java:7372)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1218)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3147)
... 9 more
我在tns-android版本上进行了修改，但是问题仍然存在... 请你能帮我吗？