Any android view including XWalkView must live in a “Window”. Window can be Activity/PopupWindow/Dialog/… Without “Window”, you cannot put android view into Service.
Do you have any kind of “Window” in your service? Did you try any other android view in your service? Regards, Xing From: Crosswalk-help [mailto:[email protected]] On Behalf Of Kamil Krzyszczuk Sent: Monday, August 10, 2015 11:24 PM To: [email protected] Subject: [Crosswalk-help] How to instantiate XWalkView or XWalkViewInternal inside a Service instead of Activity As in title: How to instantiate XWalkView or XWalkViewInternal inside a Service instead of Activity It gives me runtime errors in every scenarios: webView = new XWalkView(this); webView = new XWalkView(this, (Activity)null); and XWalkViewInternal too, for example error output: Process: com.example.test, PID: 28970 java.lang.RuntimeException: Unable to start service com.example.test.Service@42d4d600<mailto:com.example.test.Service@42d4d600> with Intent { cmp=com.example.test/.Service}: java.lang.NullPointerException at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:3044) at android.app.ActivityThread.access$2200(ActivityThread.java:172) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1405) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:146) at android.app.ActivityThread.main(ActivityThread.java:5694) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1291) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1107) at dalvik.system.NativeStart.main(Native Method) Caused by: java.lang.NullPointerException at org.xwalk.core.internal.XWalkInternalResources.doResetIds(XWalkInternalResources.java:28) at org.xwalk.core.internal.XWalkInternalResources.resetIds(XWalkInternalResources.java:72) at org.xwalk.core.internal.XWalkViewDelegate.init(XWalkViewDelegate.java:130) at org.xwalk.core.internal.XWalkViewDelegate.init(XWalkViewDelegate.java:89) at org.xwalk.core.internal.XWalkViewInternal.init(XWalkViewInternal.java:261) at org.xwalk.core.internal.XWalkViewInternal.<init>(XWalkViewInternal.java:254) at com.example.test.Service.startWebView(Service.java:184) at com.example.test.Service.onStartCommand(Service.java:107) at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:3027) at android.app.ActivityThread.access$2200(ActivityThread.java:172) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1405) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:146) at android.app.ActivityThread.main(ActivityThread.java:5694) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1291) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1107) at dalvik.system.NativeStart.main(Native Method)
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