java - Video does display in android emulator -


video not display while run project. push a.mp4 file in file explore -> mnt -> sdcard -> a.mp4 still videos not play while run project. please me mistake in below code.

    public class mainactivity extends activity {      videoview video_player_view;     surfaceview sur_view;     mediacontroller media_controller;     displaymetrics dm;     @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_main);     }      public void getinit()     {         video_player_view = (videoview)findviewbyid(r.id.videoview1);         media_controller = new mediacontroller(this);         dm = new displaymetrics();               this.getwindowmanager().getdefaultdisplay().getmetrics(dm);         int height = dm.heightpixels;         int width = dm.heightpixels;         video_player_view.setminimumheight(height);         video_player_view.setminimumwidth(width);         video_player_view.setmediacontroller(media_controller);         video_player_view.setvideopath("/mnt/sdcard/a.mp4");         video_player_view.start();       } }

u didnt call getinit() method 

    public class mainactivity extends activity {      videoview video_player_view;     surfaceview sur_view;     mediacontroller media_controller;     displaymetrics dm;    @override    protected void oncreate(bundle savedinstancestate) {    super.oncreate(savedinstancestate);    setcontentview(r.layout.activity_main);\    getinit();     }    public void getinit()     {   video_player_view = (videoview)findviewbyid(r.id.videoview1);   media_controller = new mediacontroller(this);   dm = new displaymetrics();         this.getwindowmanager().getdefaultdisplay().getmetrics(dm);   int height = dm.heightpixels;   int width = dm.heightpixels;   video_player_view.setminimumheight(height);   video_player_view.setminimumwidth(width);   video_player_view.setmediacontroller(media_controller);   video_player_view.setvideopath("/mnt/sdcard/a.mp4");   video_player_view.start();      }   }

the emulator have issues playing videos, have done video testing on actual devices. when video work on emulator, typically extremely slow (1fps, offset sound) @ best.


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