android - finishAfterTransition() not working properly -


in app want passage activity activity b animated. in particular, want activity slide out , activity b fade in when clicking on button, and, when clicking button, activity b fade out , activity slide in. well, first animation (slide out - fade in) works fine. when click button, animation triggers, of times see fade out of activity b , blank screen, activity doesn't appear @ all. wrong? here's code:

activity a:

      @override         protected void oncreate(bundle savedinstancestate) {             super.oncreate(savedinstancestate);             setcontentview(r.layout.activity_main);             if (build.version.sdk_int >= build.version_codes.lollipop) {             setupwindowanimations();         } ... } @override protected void setupwindowanimations() {  if (android.os.build.version.sdk_int >= android.os.build.version_codes.lollipop) {     slide slide = new slide();     slide.setduration(1000);     slide.setslideedge(gravity.right);     getwindow().setexittransition(slide);     getwindow().setreentertransition(slide); }

}

activity b:

@override protected void oncreate(bundle savedinstancestate) {      super.oncreate(savedinstancestate);     setlayout(r.layout.file_browser);     if (build.version.sdk_int >= build.version_codes.lollipop) {         setupwindowanimations();     }  ...}  @override protected void setupwindowanimations() {     if (android.os.build.version.sdk_int >= android.os.build.version_codes.lollipop) {         fade fade = new fade();         fade.setduration(1000);         getwindow().setentertransition(fade);         getwindow().setreturntransition(fade);      } }

clicking on button starts activity b activity a:

   fab.setonclicklistener(new view.onclicklistener() {         @requiresapi(api = build.version_codes.lollipop)         @override         public void onclick(view v) {             activityoptions options = activityoptions.makescenetransitionanimation(activitya.this);             intent intent = new intent(activitya.this,activityb.class);             startactivity(intent, options.tobundle());          }});

the method button:

 @override public boolean onsupportnavigateup(){      if (build.version.sdk_int >= build.version_codes.lollipop) {          finishaftertransition();      }     return true;  }

i'm missing something. hope you'll me figure out. in advance!


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