VideoView小试牛刀

主要代码如下:

MainActivity:

public class MainActivity extends BaseActivity {
    private String video_url = "http://dlqncdn.miaopai.com/stream/MVaux41A4lkuWloBbGUGaQ__.mp4";
    private VideoView mVideoView;
    private SeekBar mSeekBar;
    private LinearLayout mOperation,mOperationLayout;
    private String TAG = "TAG";
    private RelativeLayout mVideoLayout;
    private TextView mTime,mBuffer;
    private int duration;   //视频总时常 毫秒

    @Override
    protected void setAllClick() {
        //控制操作 显示 还是 隐藏
        mVideoLayout.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.i(TAG,"mVideo Click");
                if(mOperationLayout.getVisibility()==View.VISIBLE){
                    mOperationLayout.setVisibility(View.GONE);
                }else{
                    mOperationLayout.setVisibility(View.VISIBLE);
                }
            }
        });

        //Start
        mOperation.getChildAt(0).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(mVideoView.isPlaying()){
                    return;
                }
                Log.i(TAG,"start");
                mVideoView.start();
            }
        });
        //Stop  暂停
        mOperation.getChildAt(1).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.i(TAG,"pause");
                mVideoView.pause();
            }
        });
        //forward
        mOperation.getChildAt(2).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int seekPostion =   mVideoView.getCurrentPosition()+1000*15;
                if(seekPostion>mVideoView.getDuration()){
                    seekPostion =   mVideoView.getDuration()-1000;
                }
                mVideoView.seekTo(seekPostion);
                Log.i(TAG, "forward");
            }
        });
        //restart
        mOperation.getChildAt(3).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mVideoView.seekTo(0);
                Log.i(TAG, "restart");
            }
        });
        mSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {

            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
                int progress = seekBar.getProgress();
                mVideoView.seekTo(progress);
            }
        });
    }


    /**
     *  创建一个Handler
     */

    private Handler handler = new Handler();

    /**
     * 创建一个Runnble
     */

    private Runnable runnable = new Runnable() {
        @Override
        public void run() {

            //获取当前播放进度
            int currentPosition = mVideoView.getCurrentPosition();
            mSeekBar.setProgress(currentPosition);

            //设置SeekBar 缓冲显示
            int bufferPercentage = mVideoView.getBufferPercentage();
            if(bufferPercentage==100){
                mSeekBar.setSecondaryProgress(mVideoView.getDuration());
            }else{
                mSeekBar.setSecondaryProgress(mVideoView.getDuration()/100*bufferPercentage);
            }
            //填充数据
            inflatData(currentPosition);

            handler.postDelayed(runnable,500);
        }
    };

    private void inflatData(int currentPosition) {
        //显示时间用
        SimpleDateFormat sdf = new SimpleDateFormat("mm:ss");
        mTime.setText(sdf.format(new Date(currentPosition)) + " / " + sdf.format(new Date(duration)));
        //加载百分比
        int bufferPercentage = mVideoView.getBufferPercentage();
        mBuffer.setText("加载"+bufferPercentage+"%");
    }

    @Override
    protected void process() {
        mVideoView.setVideoURI(Uri.parse(video_url));

        //添加视频准备好的监听
        mVideoView.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
            @Override
            public void onPrepared(MediaPlayer mp) {
                Log.i(TAG, "video is prepared");
                duration = mVideoView.getDuration();
                //显示时间
                SimpleDateFormat sdf = new SimpleDateFormat("mm:ss");
                mSeekBar.setMax(duration);
                //填充数据
                inflatData(mVideoView.getCurrentPosition());
                //告诉handler执行
                handler.post(runnable);
            }
        });
        //当视频播放完成后的监听
        mVideoView.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mp) {
                Log.i(TAG, "video is completion");

            }
        });
        //播放发生异常时
        mVideoView.setOnErrorListener(new MediaPlayer.OnErrorListener() {
            @Override
            public boolean onError(MediaPlayer mp, int what, int extra) {
                Log.i(TAG,"video is Error");
                return false;
            }
        });
    }

    @Override
    protected void initView() {
        mTime = (TextView) findViewById(R.id.time);
        mBuffer = (TextView) findViewById(R.id.buffer);
        mVideoView = (VideoView) findViewById(R.id.video_view);
        mSeekBar = (SeekBar) findViewById(R.id.pro_seek);
        mOperation = (LinearLayout) findViewById(R.id.opertion);
        mOperationLayout = (LinearLayout) findViewById(R.id.opertion_layout);
        mVideoLayout = (RelativeLayout) findViewById(R.id.video_layout);
    }

    @Override
    protected void loadView() {
        setContentView(R.layout.activity_main);
    }

}
xml:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#000000"
    >

    <TextView
        android:id="@+id/time"
        android:text="准备加载数据..."
        android:layout_width="wrap_content"
        android:textColor="#ffffffff"
        android:layout_height="wrap_content" />
    <TextView
        android:id="@+id/buffer"
        android:layout_alignParentRight="true"
        android:text="缓冲0%"
        android:layout_width="wrap_content"
        android:textColor="#ffffffff"
        android:layout_height="wrap_content" />
    <RelativeLayout
        android:id="@+id/video_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <VideoView
            android:id="@+id/video_view"
            android:layout_centerInParent="true"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />
    </RelativeLayout>


    <LinearLayout
        android:id="@+id/opertion_layout"
        android:layout_alignParentBottom="true"
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <SeekBar
            android:id="@+id/pro_seek"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />
        <LinearLayout
            android:id="@+id/opertion"
            android:orientation="horizontal"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">
            <Button
                android:id="@+id/start"
                android:background="#ffff85d7"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:text="Start"
                />
            <Button
                android:id="@+id/stop"
                android:background="#ffffa900"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:text="Stop"
                />
            <Button
                android:id="@+id/forward"
                android:background="#ff1591ff"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:text="Forward"
                />
            <Button
                android:id="@+id/reStart"
                android:background="#ff31fe22"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:text="Restart"
                />
        </LinearLayout>
    </LinearLayout>
</RelativeLayout>

源码位置:http://download.csdn.net/detail/lzq520210/9421215

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