Android UniversalVideoView實現視訊播放器

dependencies {
 
    ......
 
    compile 'com.linsea:universalvideoview:1.1.0@aar'
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
 
 
    <FrameLayout
        android:id="@+id/video_layout"
        android:layout_width="fill_parent"
        android:layout_height="200dp"
        android:background="@android:color/black">
 
        <com.universalvideoview.UniversalVideoView
            android:id="@+id/videoView"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:layout_gravity="center"
            app:uvv_autoRotation="true"
            app:uvv_fitXY="false" />
 
        <com.universalvideoview.UniversalMediaController
            android:id="@+id/media_controller"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            app:uvv_scalable="true" />
    </FrameLayout>
 
    <LinearLayout
        android:id="@+id/bottom_layout"
        android:layout_width="fill_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:orientation="vertical">
 
        <Button
            android:id="@+id/start"
            android:layout_margin="5dp"
            android:layout_width="fill_parent"
            android:layout_height="50dp"
            android:gravity="center"
            android:text="start" />
 
        <TextView
            android:id="@+id/introduction"
            android:layout_width="fill_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:gravity="center"
            android:text="this is video introduciton ......"
            android:background="@color/uvv_gray" />
    </LinearLayout>
</LinearLayout>

import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.universalvideoview.UniversalMediaController;
import com.universalvideoview.UniversalVideoView;
 
public class MainActivity extends Activity implements UniversalVideoView.VideoViewCallback{
 
    private static final String TAG = "MainActivity";
    private static final String SEEK_POSITION_KEY = "SEEK_POSITION_KEY";
    private static final String VIDEO_URL = "http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4";
    //視訊地址
    //http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4
    //http://vjs.zencdn.net/v/oceans.mp4
    //https://media.w3.org/2010/05/sintel/trailer.mp4
 
    UniversalVideoView mVideoView;
    UniversalMediaController mMediaController;
 
    View mBottomLayout;
    View mVideoLayout;
    TextView mStart;
 
    private int mSeekPosition;
    private int cachedHeight;
    private boolean isFullscreen;
    private TextView tv_title;
    private LinearLayout titlebar;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tv_title = (TextView) findViewById(R.id.introduction);
        //titlebar = (LinearLayout) findViewById(R.id.titlebar);
        tv_title.setText("UniversalVideoView");
 
        mVideoLayout = findViewById(R.id.video_layout);
        mBottomLayout = findViewById(R.id.bottom_layout);
        mVideoView = (UniversalVideoView) findViewById(R.id.videoView);
        mMediaController = (UniversalMediaController) findViewById(R.id.media_controller);
        mVideoView.setMediaController(mMediaController);
        //設定播放螢幕模式和設定播放地址
        setVideoAreaSize();
        //設定螢幕狀態和播放狀態的監聽
        mVideoView.setVideoViewCallback(this);
        mStart = (TextView) findViewById(R.id.start);
 
        mStart.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (mSeekPosition > 0) {
                    mVideoView.seekTo(mSeekPosition);
                }
                mVideoView.start();
                mMediaController.setTitle("Big Buck Bunny");
            }
        });
 
        mVideoView.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mp) {
                Log.d(TAG, "onCompletion ");
            }
        });
 
        mVideoView.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
            @Override
            public void onPrepared(MediaPlayer mp) {
                if (mSeekPosition > 0) {
                    mVideoView.seekTo(mSeekPosition);
                }
                mVideoView.start();
            }
        });
    }
 
    @Override
    protected void onPause() {
        super.onPause();
        Log.d(TAG, "onPause ");
        if (mVideoView != null && mVideoView.isPlaying()) {
            mSeekPosition = mVideoView.getCurrentPosition();
            Log.d(TAG, "onPause mSeekPosition=" + mSeekPosition);
            mVideoView.pause();
        }
    }
 
    /**
     * 置視訊區域大小
     */
    private void setVideoAreaSize() {
        mVideoLayout.post(new Runnable() {
            @Override
            public void run() {
                int width = mVideoLayout.getWidth();
                cachedHeight = (int) (width * 405f / 720f);
//                cachedHeight = (int) (width * 3f / 4f);
//                cachedHeight = (int) (width * 9f / 16f);
                ViewGroup.LayoutParams videoLayoutParams = mVideoLayout.getLayoutParams();
                videoLayoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT;
                videoLayoutParams.height = cachedHeight;
                mVideoLayout.setLayoutParams(videoLayoutParams);
                mVideoView.setVideoPath(VIDEO_URL);
                mVideoView.requestFocus();
            }
        });
    }
    //當螢幕發生改變的時候，如果要保持進度必須自己重寫onSaveInstanceState方法
    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        Log.d(TAG, "onSaveInstanceState Position=" + mVideoView.getCurrentPosition());
        outState.putInt(SEEK_POSITION_KEY, mSeekPosition);
    }
 
    @Override
    protected void onRestoreInstanceState(Bundle outState) {
        super.onRestoreInstanceState(outState);
        mSeekPosition = outState.getInt(SEEK_POSITION_KEY);
        Log.d(TAG, "onRestoreInstanceState Position=" + mSeekPosition);
    }
 
    /**
     * 全螢幕和預設的切換
     * @param isFullscreen
     */
    @Override
    public void onScaleChange(boolean isFullscreen) {
        this.isFullscreen = isFullscreen;
        if (isFullscreen) {
            ViewGroup.LayoutParams layoutParams = mVideoLayout.getLayoutParams();
            layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT;
            layoutParams.height = ViewGroup.LayoutParams.MATCH_PARENT;
            mVideoLayout.setLayoutParams(layoutParams);
            mBottomLayout.setVisibility(View.GONE);
 
            //全螢幕就隱藏標題列
            //titlebar.setVisibility(View.GONE);
 
        } else {
            ViewGroup.LayoutParams layoutParams = mVideoLayout.getLayoutParams();
            layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT;
            layoutParams.height = this.cachedHeight;
            mVideoLayout.setLayoutParams(layoutParams);
            mBottomLayout.setVisibility(View.VISIBLE);
            //豎直方法的時候，顯示標題列
          //  titlebar.setVisibility(View.VISIBLE);
        }
//        switchTitleBar(!isFullscreen);
    }
 
//    private void switchTitleBar(boolean show) {
//        android.support.v7.app.ActionBar supportActionBar = getSupportActionBar();
//        if (supportActionBar != null) {
//            if (show) {
//                supportActionBar.show();
//            } else {
//                supportActionBar.hide();
//            }
//        }
//    }
 
    @Override
    public void onPause(MediaPlayer mediaPlayer) {
        Log.d(TAG, "onPause UniversalVideoView callback");
    }
 
    @Override
    public void onStart(MediaPlayer mediaPlayer) {
        Log.d(TAG, "onStart UniversalVideoView callback");
    }
 
    @Override
    public void onBufferingStart(MediaPlayer mediaPlayer) {
        Log.d(TAG, "onBufferingStart UniversalVideoView callback");
    }
 
    @Override
    public void onBufferingEnd(MediaPlayer mediaPlayer) {
        Log.d(TAG, "onBufferingEnd UniversalVideoView callback");
    }
 
    @Override
    public void onBackPressed() {
        if (this.isFullscreen) {
            mVideoView.setFullscreen(false);
        } else {
            super.onBackPressed();
        }
    }
}