android studio sdk 23 업데이트 후 오류

http://stackoverflow.com/questions/31928034/android-studio-pre-lollipop-emulators-could-not-find-class

08-10 14:42:39.640    1615-1615/com.mypackage W/dalvikvm﹕ VFY: unable to resolve static field 2967 (abc_dialog_title_material) in Landroid/support/v7/appcompat/R$layout;
08-10 14:42:39.640    1615-1615/com.mypackage W/dalvikvm﹕ VFY: unable to resolve static field 2826 (actionBarTheme) in Landroid/support/v7/appcompat/R$attr;
08-10 14:42:39.640    1615-1615/com.mypackage W/dalvikvm﹕ VFY: unable to resolve static field 2975 (abc_screen_simple_overlay_action_mode) in Landroid/support/v7/appcompat/R$layout;
08-10 14:42:39.640    1615-1615/com.mypackage W/dalvikvm﹕ VFY: unable to resolve static field 2974 (abc_screen_simple) in Landroid/support/v7/appcompat/R$layout;
08-10 14:42:39.640    1615-1615/com.mypackage W/dalvikvm﹕ VFY: unable to resolve static field 2955 (title) in Landroid/support/v7/appcompat/R$id;
08-10 14:42:39.640    1615-1615/com.mypackage W/dalvikvm﹕ VFY: unable to resolve static field 2911 (action_bar_activity_content) in Landroid/support/v7/appcompat/R$id;
08-10 14:42:39.650    1615-1615/com.mypackage W/dalvikvm﹕ VFY: unable to resolve static field 2826 (actionBarTheme) in Landroid/support/v7/appcompat/R$attr;
08-10 14:42:39.650    1615-1615/com.mypackage W/dalvikvm﹕ VFY: unable to resolve static field 2865 (abc_input_method_navigation_guard) in Landroid/support/v7/appcompat/R$color;
08-10 14:42:39.660    1615-1615/com.mypackage W/dalvikvm﹕ VFY: unable to resolve static field 2826 (actionBarTheme) in Landroid/support/v7/appcompat/R$attr;
08-10 14:42:39.660    1615-1615/com.mypackage W/dalvikvm﹕ VFY: unable to resolve static field 2917 (action_mode_bar_stub) in Landroid/support/v7/appcompat/R$id;
08-10 14:42:39.671    1615-1615/com.mypackage E/dalvikvm﹕ Could not find class 'com.mypackage.navigation.NavigationHelper$1', referenced from method com.mypackage.navigation.NavigationHelper.displayNetworkAlert
08-10 14:42:39.671    1615-1615/com.mypackage W/dalvikvm﹕ VFY: unable to resolve new-instance 7285 (Lcom/mypackage/navigation/NavigationHelper$1;) in Lcom/mypackage/navigation/NavigationHelper;
08-10 14:42:39.681    1615-1615/com.mypackage I/dalvikvm﹕ Could not find method com.mypackage.navigation.NavMenuProfile.create, referenced from method com.mypackage.navigation.NavigationHelper.getNavDrawerConfiguration

multiDexEnabled true

위 항목을 추가 했을 경우 appCompat 관련 오류 발생 시

compile 'com.android.support:multidex:1.0.0'

MainActivity.java 

attachBaseContext  에

MultiDex.install(this); // 꼭 추가