java.lang.RuntimeException: Unable to start activity ComponentInfo{com.entitcs.office_attendance/com.entitcs.office_attendance.activities.Drawer_Activity}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.net.NetworkInfo.isAvailable()' on a null object reference
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3763)
	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3931)
	at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
	at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
	at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2356)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loop(Looper.java:264)
	at android.app.ActivityThread.main(ActivityThread.java:8315)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:632)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1049)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.net.NetworkInfo.isAvailable()' on a null object reference
	at com.entitcs.office_attendance.model_classes.b.h(Unknown Source:22)
	at com.entitcs.office_attendance.activities.Drawer_Activity.K0(Unknown Source:5)
	at com.entitcs.office_attendance.activities.Drawer_Activity.onCreate(Unknown Source:612)
	at android.app.Activity.performCreate(Activity.java:8151)
	at android.app.Activity.performCreate(Activity.java:8135)
	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1309)
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3732)
	... 11 more