제가 selector.xml을 만들고 해당 xml에 클릭시는 red 비클릭시는 white의 값을 주었습니다. <item android:background="#ffffff"> 라고 주었더니... 에러가 자꾸 발생하네요...ㅜㅜlayout의 배경은 클릭시 색상 변하는 효과를 줄려면 어떻게 해야하나요? 

중간에 에러로그를 보면 resoutce를 못찾는다고 하는데...

R.java에 해당 ID가 있는데 왜 그럴까요? ㅜㅜ

FATAL EXCEPTION: main
 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.Ikeeper/com.Ikeeper.config.Env_Config}: android.view.InflateException: Binary XML file line #236: Error inflating class <unknown>
     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
     at android.app.ActivityThread.startActivityNow(ActivityThread.java:2503)
     at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:127)
     at android.app.LocalActivityManager.startActivity(LocalActivityManager.java:339)
     at android.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:651)
     at android.widget.TabHost.setCurrentTab(TabHost.java:323)
     at android.widget.TabHost$2.onTabSelectionChanged(TabHost.java:129)
     at android.widget.TabWidget$TabClickListener.onClick(TabWidget.java:453)
     at android.view.View.performClick(View.java:2408)
     at android.view.View$PerformClick.run(View.java:8816)
     at android.os.Handler.handleCallback(Handler.java:587)
     at android.os.Handler.dispatchMessage(Handler.java:92)
     at android.os.Looper.loop(Looper.java:123)
     at android.app.ActivityThread.main(ActivityThread.java:4627)
     at java.lang.reflect.Method.invokeNative(Native Method)
     at java.lang.reflect.Method.invoke(Method.java:521)
     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
     at dalvik.system.NativeStart.main(Native Method)
 Caused by: android.view.InflateException: Binary XML file line #236: Error inflating class <unknown>
     at android.view.LayoutInflater.createView(LayoutInflater.java:513)
     at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:563)
     at android.view.LayoutInflater.rInflate(LayoutInflater.java:618)
     at android.view.LayoutInflater.rInflate(LayoutInflater.java:621)
     at android.view.LayoutInflater.inflate(LayoutInflater.java:407)
     at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
     at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
     at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:198)
     at android.app.Activity.setContentView(Activity.java:1647)
     at com.Ikeeper.config.Env_Config.onCreate(Env_Config.java:46)
     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
     ... 18 more
 Caused by: java.lang.reflect.InvocationTargetException
     at android.widget.LinearLayout.<init>(LinearLayout.java:115)
     at java.lang.reflect.Constructor.constructNative(Native Method)
     at java.lang.reflect.Constructor.newInstance(Constructor.java:446)
     at android.view.LayoutInflater.createView(LayoutInflater.java:500)
     ... 30 more
 Caused by: android.content.res.Resources$NotFoundException: File res/drawable-mdpi/config_background.xml from drawable resource ID #0x7f020008
     at android.content.res.Resources.loadDrawable(Resources.java:1697)
     at android.content.res.TypedArray.getDrawable(TypedArray.java:601)
     at android.view.View.<init>(View.java:1885)
     at android.view.View.<init>(View.java:1834)
     at android.view.ViewGroup.<init>(ViewGroup.java:285)
     ... 34 more
 Caused by: org.xmlpull.v1.XmlPullParserException: Binary XML file line #4: <item> tag requires a 'drawable' attribute or child tag defining a drawable
     at android.graphics.drawable.StateListDrawable.inflate(StateListDrawable.java:165)
     at android.graphics.drawable.Drawable.createFromXmlInner(Drawable.java:788)
     at android.graphics.drawable.Drawable.createFromXml(Drawable.java:729)
     at android.content.res.Resources.loadDrawable(Resources.java:1694)
     ... 38 more