Die Anleitung zu Android VideoView

package org.o7planning.androidvideoview;

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnPreparedListener;
import android.view.View;
import android.widget.Button;
import android.widget.MediaController;
import android.widget.VideoView;

public class MainActivity extends AppCompatActivity {

    private VideoView videoView;
    private int position = 0;
    private MediaController mediaController;
    private Button buttonRaw;
    private Button buttonLocal;
    private Button buttonURL;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        this.videoView = (VideoView) findViewById(R.id.videoView);
        this.buttonRaw = (Button) findViewById(R.id.button_raw);
        this.buttonLocal = (Button) findViewById(R.id.button_local );
        this.buttonURL = (Button) findViewById(R.id.button_url);

        // Set the media controller buttons
        if (this.mediaController == null) {
            this.mediaController = new MediaController(MainActivity.this);

            // Set the videoView that acts as the anchor for the MediaController.
            this.mediaController.setAnchorView(videoView);

            // Set MediaController for VideoView
            this.videoView.setMediaController(mediaController);
        }


        // When the video file ready for playback.
        this.videoView.setOnPreparedListener(new OnPreparedListener() {

            public void onPrepared(MediaPlayer mediaPlayer) {

                videoView.seekTo(position);
                if (position == 0) {
                    videoView.start();
                }

                // When video Screen change size.
                mediaPlayer.setOnVideoSizeChangedListener(new MediaPlayer.OnVideoSizeChangedListener() {
                    @Override
                    public void onVideoSizeChanged(MediaPlayer mp, int width, int height) {

                        // Re-Set the videoView that acts as the anchor for the MediaController
                        mediaController.setAnchorView(videoView);
                    }
                });
            }
        });

        this.buttonRaw.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // "myvideo.mp4" in directory "raw".
                String resName = VideoViewUtils.RAW_VIDEO_SAMPLE;
                VideoViewUtils.playRawVideo(MainActivity.this, videoView, resName);
            }
        });

        this.buttonLocal.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String localPath = VideoViewUtils.LOCAL_VIDEO_SAMPLE;
                VideoViewUtils.playLocalVideo(MainActivity.this, videoView, localPath);
            }
        });

        this.buttonURL.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String videoURL = VideoViewUtils.URL_VIDEO_SAMPLE;
                VideoViewUtils.playURLVideo(MainActivity.this, videoView, videoURL);
            }
        });
    }

    // When you change direction of phone, this method will be called.
    // It store the state of video (Current position)
    @Override
    public void onSaveInstanceState(Bundle savedInstanceState) {
        super.onSaveInstanceState(savedInstanceState);

        // Store current position.
        savedInstanceState.putInt("CurrentPosition", videoView.getCurrentPosition());
        videoView.pause();
    }


    // After rotating the phone. This method is called.
    @Override
    public void onRestoreInstanceState(Bundle savedInstanceState) {
        super.onRestoreInstanceState(savedInstanceState);

        // Get saved position.
        position = savedInstanceState.getInt("CurrentPosition");
        videoView.seekTo(position);
    }

}

 

package org.o7planning.androidvideoview;

import android.content.Context;
import android.net.Uri;
import android.util.Log;
import android.widget.Toast;
import android.widget.VideoView;

public class VideoViewUtils {

    // "myvideo.mp4" in directory "raw".
    public static final String RAW_VIDEO_SAMPLE = "myvideo";
    public static final String LOCAL_VIDEO_SAMPLE ="/storage/emulated/0/DCIM/Camera/VID_20180212_195520.mp4";
    public static final String URL_VIDEO_SAMPLE  = "https://raw.githubusercontent.com/o7planning/webexamples/master/_testdatas_/mov_bbb.mp4";


    public static final String LOG_TAG= "AndroidVideoView";


    // Play a video in directory RAW.
    // Video name = "myvideo.mp4" ==> resName = "myvideo".
    public static void playRawVideo(Context context, VideoView videoView, String resName)  {
        try {
            // ID of video file.
            int id = VideoViewUtils.getRawResIdByName( context, resName);

            Uri uri = Uri.parse("android.resource://" + context.getPackageName() + "/" + id);
            Log.i(LOG_TAG, "Video URI: "+ uri);

            videoView.setVideoURI(uri);
            videoView.requestFocus();

        } catch (Exception e) {
            Log.e(LOG_TAG, "Error Play Raw Video: "+e.getMessage());
            Toast.makeText(context,"Error Play Raw Video: "+ e.getMessage(),Toast.LENGTH_SHORT).show();
            e.printStackTrace();
        }
    }

    // @localPath = "/storage/emulated/0/DCIM/Camera/VID_20180212_195520.mp4"; (For example).
    public static void playLocalVideo(Context context, VideoView videoView, String localPath)  {
        try {

        } catch(Exception e) {
            Log.e(LOG_TAG, "Error Play Local Video: "+ e.getMessage());
            Toast.makeText(context,"Error Play Local Video: "+ e.getMessage(),Toast.LENGTH_SHORT).show();
            e.printStackTrace();
        }
    }

    // String videoURL = "https://raw.githubusercontent.com/o7planning/webexamples/master/_testdatas_/mov_bbb.mp4";
    // String videoURL = "https://www.radiantmediaplayer.com/media/bbb-360p.mp4";
    public static void playURLVideo(Context context, VideoView videoView, String videoURL)  {
        try {
            Log.i(LOG_TAG, "Video URL: "+ videoURL);

            Uri uri= Uri.parse( videoURL );

            videoView.setVideoURI(uri);
            videoView.requestFocus();

        } catch(Exception e) {
            Log.e(LOG_TAG, "Error Play URL Video: "+ e.getMessage());
            Toast.makeText(context,"Error Play URL Video: "+ e.getMessage(),Toast.LENGTH_SHORT).show();
            e.printStackTrace();
        }
    }

    // Find ID corresponding to the name of the resource (in the directory RAW).
    public static int getRawResIdByName(Context context, String resName) {
        String pkgName = context.getPackageName();
        // Return 0 if not found.
        int resID = context.getResources().getIdentifier(resName, "raw", pkgName);

        Log.i(LOG_TAG, "Res Name: " + resName + "==> Res ID = " + resID);
        return resID;
    }
}