Android 98 Mediaplayer+surfaceview Play video

Package Com.itheima.videoplayer;import Java.io.ioexception;import android.media.mediaplayer;import Android.os.bundle;import Android.app.activity;import Android.view.menu;import Android.view.SurfaceHolder;import Android.view.surfaceholder.callback;import Android.view.SurfaceView; Public classMainactivity extends Activity {PrivateMediaPlayer player;//can only play MP4 and 3gp format video    Static intcurrentposition; @Overrideprotected voidonCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (r.layout.activity_main);//Surfaceview tags must be displayed on the page before they can be used, so another thread will be opened to sleep for a while and then the layout is generated to use the Surfaceview object. Surfaceview SV = (surfaceview) Findviewbyid (R.ID.SV);//Video Playback Screen//get Surfaceview's controller.Final Surfaceholder sh =Sv.getholder ();//thread t = new Thread () {//@Override//Public void Run () {//try {//sleep (200); //200 milliseconds can't write dead//} catch (Interruptedexception e) {//e.printstacktrace ();//                }//Runonuithread (New Runnable () {//in the main thread to execute//@Override//Public void Run () {//MediaPlayer player = new MediaPlayer ();//Player.reset ();//try {//Player.setdatasource ("sdcard/2.3gp");//player.setdisplay (SH);//Player.prepare ();//Player.start ();//} catch (Exception e) {//e.printstacktrace ();//                        } //                    }//                });//            }//        };//T.start ();Sh.addcallback (NewCallback () {//called when Surfaceview is destroyed@Override Public voidsurfacedestroyed (Surfaceholder holder) {//stop playing the video every time Surfaceview is destroyed                if(Player! =NULL) {currentposition=player.getcurrentposition ();                    Player.stop ();                    Player.release (); Player=NULL; }            }            //Surfaceview Called when Surfaceview is visible when it is created@Override Public voidsurfacecreated (Surfaceholder holder) {//play video Every time Surfaceview is created                if(Player = =NULL) {player=NewMediaPlayer ();                    Player.reset (); Try{Player.setdatasource ("sdcard/2.3gp");                        Player.setdisplay (SH);                        Player.prepare ();                        Player.start ();                    Player.seekto (currentposition); } Catch(Exception e) {e.printstacktrace (); }                 }            }            //called when the Surfaceview structure changes@Override Public voidSurfacechanged (Surfaceholder holder,intFormatintwidth,intheight)    {            }        }); }}/*page: <surfaceview android:id= "@+id/sv" android:layout_width= "match_parent" android:layout_height= "Match_pare NT "/>---#视频播放器 # #SurfaceView * Real-time update of the screen requires high * Dual buffering technology: There are two canvases in memory, a canvas is displayed to the screen, the B canvas draws the next frame in memory, B is displayed to the screen after drawing, and a continues to draw the next frame in memory * Play video is also used MediaPlayer, but unlike audio, to set the display in which Surfaceview*/

Vitamio Play Video:

Package Com.itheima.videoview;import Io.vov.vitamio.libschecker;import Io.vov.vitamio.widget.MediaController; Import Io.vov.vitamio.widget.videoview;import Android.os.bundle;import Android.app.activity;import Android.view.Menu; Public classMainactivity extends Activity {@Overrideprotected voidonCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);        Setcontentview (R.layout.activity_main); //detects if Vitamio is supported, installs without installation        if(! Libschecker.checkvitamiolibs ( This)) {return;} Videoview VV=(Videoview) Findviewbyid (R.ID.VV); Vv.setvideopath ("SDCARD/4.RMVB");        Vv.start (); Vv.setmediacontroller (NewMediacontroller ( This));//Video Playback Controller    }}/*# # #SurfaceView * Double buffering technology * heavy-weight components (more resource-intensive) * As long as not visible, will not be created, visible, will be created * as long as not visible, will destroy # # # ffmpeg* Open source free audio and video codec, in C language development. # # # vitamio* encapsulates the FFmpeg video playback framework * All APIs provided are JAVAAPI*//*<io.vov.vitamio.widget.videoview android:id= "@+id/vv" android:layout_width= "Match_parent" Android:layout_h eight= "Match_parent"/>*///manifest file: <activity android:name= "io.vov.vitamio.activity.InitActivity" ></activity>

Android 98 Mediaplayer+surfaceview Play video