[G4 Android Development] ahmad.afef:
And this is the logcat I've made for the issue, I hope it help the OP [MENTION=3208754]codeworkx[/MENTION]

11-21 16:28:27.259 19058 19058 D SubSettings: Launching fragment com.android.settings.blacklist.BlacklistPreferences

11-21 16:28:27.261 19058 19058 D AndroidRuntime: Shutting down VM

11-21 16:28:27.262 19058 19058 E AndroidRuntime: FATAL EXCEPTION: main

11-21 16:28:27.262 19058 19058 E AndroidRuntime: Process: com.android.settings, PID: 19058

11-21 16:28:27.262 19058 19058 E AndroidRuntime: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.settings/com.android.settings.SubSettings}: android.view.InflateException: Binary XML file line #20: Error inflating class com.android.settings.cyanogenmod.SystemSettingCheckBoxPreference

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2450)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2520)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.ActivityThread.-wrap11(ActivityThread.java)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1363)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.os.Handler.dispatchMessage(Handler.java:102)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.os.Looper.loop(Looper.java:148)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.ActivityThread.main(ActivityThread.java:5466)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at java.lang.reflect.Method.invoke(Native Method)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)

11-21 16:28:27.262 19058 19058 E AndroidRuntime: Caused by: android.view.InflateException: Binary XML file line #20: Error inflating class com.android.settings.cyanogenmod.SystemSettingCheckBoxPreference

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.preference.GenericInflater.createItemFromTag(GenericInflater.java:443)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.preference.GenericInflater.rInflate(GenericInflater.java:483)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.preference.GenericInflater.inflate(GenericInflater.java:327)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.preference.GenericInflater.inflate(GenericInflater.java:264)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.preference.PreferenceManager.inflateFromResource(PreferenceManager.java:273)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.preference.PreferenceFragment.addPreferencesFromResource(PreferenceFragment.java:304)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at com.android.settings.blacklist.BlacklistPreferences.onCreate(BlacklistPreferences.java:49)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.Fragment.performCreate(Fragment.java:2201)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:953)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1159)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.BackStackRecord.run(BackStackRecord.java:793)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1546)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:562)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at com.android.settings.SettingsActivity.switchToFragment(SettingsActivity.java:1051)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at com.android.settings.SettingsActivity.onCreate(SettingsActivity.java:642)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.Activity.performCreate(Activity.java:6237)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2403)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	... 9 more

11-21 16:28:27.262 19058 19058 E AndroidRuntime: Caused by: java.lang.ClassNotFoundException: Didn't find class "com.android.settings.cyanogenmod.SystemSettingCheckBoxPreference" on path: DexPathList[[zip file "/system/priv-app/Settings/Settings.apk"],nativeLibraryDirectories=[/system/priv-app/Settings/lib/arm64, /system/priv-app/Settings/Settings.apk!/lib/arm64-v8a, /vendor/lib64, /system/lib64]]

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at java.lang.ClassLoader.loadClass(ClassLoader.java:511)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at java.lang.ClassLoader.loadClass(ClassLoader.java:469)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.preference.GenericInflater.createItem(GenericInflater.java:376)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at android.preference.GenericInflater.createItemFromTag(GenericInflater.java:432)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	... 26 more

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	Suppressed: java.lang.ClassNotFoundException: com.android.settings.cyanogenmod.SystemSettingCheckBoxPreference

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at java.lang.Class.classForName(Native Method)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at java.lang.BootClassLoader.findClass(ClassLoader.java:781)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	at java.lang.ClassLoader.loadClass(ClassLoader.java:504)

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	... 29 more

11-21 16:28:27.262 19058 19058 E AndroidRuntime:	Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack trace available

11-21 16:28:27.264 918 2356 W ActivityManager: Force finishing activity com.android.settings/.SubSettings

11-21 16:28:27.269 918 2356 W ActivityManager: Force finishing activity com.android.settings/.SubSettings