java - Basic sample program of Spen SDK throws Run time exception -

i writing basic android app involving spen sdk. xml file is:-

<relativelayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:paddingleft="@dimen/activity_horizontal_margin"     android:paddingright="@dimen/activity_horizontal_margin"     android:paddingtop="@dimen/activity_vertical_margin"     android:paddingbottom="@dimen/activity_vertical_margin"     tools:context=".mainactivity">    <framelayout         android:id="@+id/canvas_container"         android:layout_width="wrap_content"         android:layout_height="wrap_content">          <com.samsung.sdraw.canvasview             android:id="@+id/canvas_view"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:background="@drawable/ic_launcher"             />         <com.samsung.sdraw.settingview             android:id="@+id/setting_view"             android:layout_width="wrap_content"             android:layout_height="wrap_content" />     </framelayout> </relativelayout>  

as write xml, error pops in preview panel. screen-shot attached below:

the error is:-

rendering problems:   following classes not instantiated:   - com.samsung.sdraw.canvasview (open class, show exception)   - com.samsung.sdraw.settingview (open class, show exception)    tip: use view.isineditmode() in custom views skip code or show sample data when shown in   ide  exception details                   (<-----with regard com.samsung.sdraw.canvasview class) write access not allowed during rendering   (\mnt\sdcard\android\data\null\serial)     @ com.android.ide.common.rendering.rendersecurityexception.create(rendersecurityexception.java:52)       @ com.android.ide.common.rendering.rendersecuritymanager.checkwrite (rendersecuritymanager.java:544)        @ java.io.file.mkdir(file.java:1305)        @ java.io.file.mkdirs(file.java:1337)        @ com.samsung.sdraw.z.a(sourcefile:23)        @ com.samsung.sdraw.z.a(sourcefile:15)      @ com.samsung.sdraw.setting.a(sourcefile:470)      @ com.samsung.sdraw.setting.<init>(sourcefile:261)      @ com.samsung.sdraw.modecontext.<init>(sourcefile:73)      @ com.samsung.sdraw.canvasview.h(sourcefile:735)      @ com.samsung.sdraw.canvasview.<init>(sourcefile:606)      @ java.lang.reflect.constructor.newinstance(constructor.java:526)      @ android.view.layoutinflater.rinflate_original(layoutinflater.java:755)      @ android.view.layoutinflater_delegate.rinflate(layoutinflater_delegate.java:64)      at android.view.layoutinflater.rinflate(layoutinflater.java:727)      @ android.view.layoutinflater.rinflate_original(layoutinflater.java:758)      @ android.view.layoutinflater_delegate.rinflate(layoutinflater_delegate.java:64)      @ android.view.layoutinflater.rinflate(layoutinflater.java:727)      @ android.view.layoutinflater.inflate(layoutinflater.java:492)      @ android.view.layoutinflater.inflate(layoutinflater.java:373)  diagnostic info studio bug report:    failed path: \mnt\sdcard\android\data\null\serial    normal temp dir: c:\users\avinash\appdata\local\temp\      normalized temp dir: c:\users\avinash\appdata\local\temp      canonical temp dir: c:\users\avinash\appdata\local\temp os.name: windows 8 os.version: 6.2 java.runtime.version: 1.7.0_55-b13    exception details        (<-----with regard com.samsung.sdraw.settingview class)    java.lang.nullpointerexception   at com.samsung.sdraw.bx.<init>(sourcefile:84)      at com.samsung.sdraw.abstractsettingview.a(sourcefile:685)      @ com.samsung.sdraw.abstractsettingview.<init>(sourcefile:648)      @ com.samsung.sdraw.settingview.<init>(sourcefile:151)      @ java.lang.reflect.constructor.newinstance(constructor.java:526)      @ android.view.layoutinflater.rinflate_original(layoutinflater.java:755)      @ android.view.layoutinflater_delegate.rinflate(layoutinflater_delegate.java:64)      @ android.view.layoutinflater.rinflate(layoutinflater.java:727)      @ android.view.layoutinflater.rinflate_original(layoutinflater.java:758)      @ android.view.layoutinflater_delegate.rinflate(layoutinflater_delegate.java:64)      @ android.view.layoutinflater.rinflate(layoutinflater.java:727)      @ android.view.layoutinflater.inflate(layoutinflater.java:492)    @ android.view.layoutinflater.inflate(layoutinflater.java:373)  

can anybodu me these error?

update: when run program, logcat gives following warnings once debugger has settled:

06-10 12:04:58.916  31170-31323/com.example.myapplication4.app e/cb::beautifynative﹕ warning: not load libjni_secime natives   06-10 12:04:58.916  31170-31323/com.example.myapplication4.app w/dalvikvm﹕ no implementation found native lcom/bst/hwbeautify/beautifynative;.nativecbinitengine:()i   06-10 12:04:58.916  31170-31323/com.example.myapplication4.app w/dalvikvm﹕ threadid=11: thread exiting uncaught exception (group=0x41fec700)   06-10 12:04:58.921  31170-31323/com.example.myapplication4.app e/androidruntime﹕ fatal exception: thread-13335       java.lang.unsatisfiedlinkerror: native method not found:   com.bst.hwbeautify.beautifynative.nativecbinitengine:()i               @ com.bst.hwbeautify.beautifynative.nativecbinitengine(native method)               @ com.bst.hwbeautify.beautifynative.cbinitengine(sourcefile:107)               @ com.bst.hwbeautify.beautifymanager.b(sourcefile:87)               @ com.bst.hwbeautify.beautifymanager.a(sourcefile:85)               @ com.bst.hwbeautify.beautifymanager$1.run(sourcefile:64)               @ java.lang.thread.run(thread.java:841)   06-10 12:04:59.891  31170-31170/com.example.myapplication4.app d/dalvikvm﹕ gc_for_alloc freed 925k, 22% free 14857k/18952k, paused 13ms, total 14ms   06-10 12:04:59.901  31170-31170/com.example.myapplication4.app i/dalvikvm-heap﹕ grow heap (frag case) 23.625mb 6317296-byte allocation   06-10 12:04:59.916  31170-31179/com.example.myapplication4.app d/dalvikvm﹕ gc_for_alloc freed <1k, 17% free 21027k/25124k, paused 13ms, total 13ms   06-10 12:04:59.931  31170-31170/com.example.myapplication4.app d/dalvikvm﹕ gc_for_alloc freed 2k, 17% free 21025k/25124k, paused 9ms, total 9ms   06-10 12:04:59.946  31170-31170/com.example.myapplication4.app i/dalvikvm-heap﹕ grow heap (frag case) 29.648mb 6317296-byte allocation   06-10 12:04:59.956  31170-31179/com.example.myapplication4.app d/dalvikvm﹕ gc_for_alloc freed <1k, 14% free 27194k/31296k, paused 10ms, total 10ms   06-10 12:05:00.181  31170-31170/com.example.myapplication4.app e/viewsystem﹕ viewrootimpl #2 surface not valid.   06-10 12:05:00.191  31170-31170/com.example.myapplication4.app w/system.err﹕ java.io.filenotfoundexception: /mnt/sdcard/android/data/com.example.myapplication4.app/serial/1125509560/sprites.raw: open failed: enoent (no such file or directory)   06-10 12:05:00.196  31170-31170/com.example.myapplication4.app w/system.err﹕ @ libcore.io.iobridge.open(iobridge.java:409)   06-10 12:05:00.196  31170-31170/com.example.myapplication4.app w/system.err﹕ @ java.io.fileoutputstream.<init>(fileoutputstream.java:88)   06-10 12:05:00.196  31170-31170/com.example.myapplication4.app w/system.err﹕ @ java.io.fileoutputstream.<init>(fileoutputstream.java:73)   06-10 12:05:00.196  31170-31170/com.example.myapplication4.app w/system.err﹕ @ com.samsung.sdraw.abstractmodecontext.a(sourcefile:182)   06-10 12:05:00.196  31170-31170/com.example.myapplication4.app w/system.err﹕ @ com.samsung.sdraw.abstractmodecontext.serializecontext(sourcefile:143)   06-10 12:05:00.201  31170-31170/com.example.myapplication4.app w/system.err﹕ @ com.samsung.sdraw.canvasview.b(sourcefile:7577)   06-10 12:05:00.201  31170-31170/com.example.myapplication4.app w/system.err﹕ @ com.samsung.sdraw.canvasview.ondetachedfromwindow(sourcefile:641)   06-10 12:05:00.201  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.view.view.dispatchdetachedfromwindow(view.java:13064)   06-10 12:05:00.201  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.view.viewgroup.dispatchdetachedfromwindow(viewgroup.java:2798)   06-10 12:05:00.201  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.view.viewgroup.dispatchdetachedfromwindow(viewgroup.java:2798)   06-10 12:05:00.201  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.view.viewgroup.dispatchdetachedfromwindow(viewgroup.java:2798)   06-10 12:05:00.206  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.view.viewgroup.dispatchdetachedfromwindow(viewgroup.java:2798)   06-10 12:05:00.206  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.view.viewgroup.dispatchdetachedfromwindow(viewgroup.java:2798)   06-10 12:05:00.206  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.view.viewrootimpl.dispatchdetachedfromwindow(viewrootimpl.java:3368)   06-10 12:05:00.206  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.view.viewrootimpl.dodie(viewrootimpl.java:5978)   06-10 12:05:00.206  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.view.viewrootimpl.die(viewrootimpl.java:5961)   06-10 12:05:00.206  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.view.windowmanagerglobal.removeviewlocked(windowmanagerglobal.java:378)   06-10 12:05:00.211  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.view.windowmanagerglobal.removeview(windowmanagerglobal.java:328)   06-10 12:05:00.211  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.view.windowmanagerimpl.removeviewimmediate(windowmanagerimpl.java:88)   06-10 12:05:00.211  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.app.activitythread.handledestroyactivity(activitythread.java:3677)   06-10 12:05:00.211  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.app.activitythread.access$1300(activitythread.java:165)   06-10 12:05:00.211  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.app.activitythread$h.handlemessage(activitythread.java:1379)   06-10 12:05:00.211  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.os.handler.dispatchmessage(handler.java:99)   06-10 12:05:00.216  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.os.looper.loop(looper.java:137)   06-10 12:05:00.216  31170-31170/com.example.myapplication4.app w/system.err﹕ @ android.app.activitythread.main(activitythread.java:5450)   06-10 12:05:00.216  31170-31170/com.example.myapplication4.app w/system.err﹕ @ java.lang.reflect.method.invokenative(native method)   06-10 12:05:00.216  31170-31170/com.example.myapplication4.app w/system.err﹕ @ java.lang.reflect.method.invoke(method.java:525)   06-10 12:05:00.216  31170-31170/com.example.myapplication4.app w/system.err﹕ @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:1187)   06-10 12:05:00.216  31170-31170/com.example.myapplication4.app w/system.err﹕ @ com.android.internal.os.zygoteinit.main(zygoteinit.java:1003)   06-10 12:05:00.221  31170-31170/com.example.myapplication4.app w/system.err﹕ @ dalvik.system.nativestart.main(native method)   06-10 12:05:00.221  31170-31170/com.example.myapplication4.app w/system.err﹕ caused by: libcore.io.errnoexception: open failed: enoent (no such file or directory)   06-10 12:05:00.221  31170-31170/com.example.myapplication4.app w/system.err﹕ @ libcore.io.posix.open(native method)   06-10 12:05:00.221  31170-31170/com.example.myapplication4.app w/system.err﹕ @ libcore.io.blockguardos.open(blockguardos.java:110)   06-10 12:05:00.226  31170-31170/com.example.myapplication4.app w/system.err﹕ @ libcore.io.iobridge.open(iobridge.java:393)   06-10 12:05:00.226  31170-31170/com.example.myapplication4.app w/system.err﹕ ... 29 more