Always leaking the window ? how to fix it properly

[rasheedk]

Always leaking the window when i reuse the activity.

' E/WindowManager: android.view.WindowLeaked: Activity com.competetor.app.activities.Test has leaked window DecorView@e439a77[] that was originally added here
at android.view.ViewRootImpl.(ViewRootImpl.java:424)
at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:331)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:93)
at android.app.Dialog.show(Dialog.java:316)
at cc.cloudist.acplibrary.ACProgressFlower.show(ACProgressFlower.java:45)
at com.competetor.app.activities.PhoneLogin$1.onClick(PhoneLogin.java:122)
at android.view.View.performClick(View.java:5612)
at android.view.View$PerformClick.run(View.java:22285)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6123)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:757) '