使用SurfaceBiew录制视频

一直对录制视频感兴趣，最近项目中遇到了，就顺便学习了下，话不多说，直接上代码

RecordVideoActivity.class

package com.czh.tongjiproject.ui;import android.os.Bundle;import android.os.CountDownTimer;import android.view.KeyEvent;import android.view.View;import android.widget.Button;import android.widget.ImageView;import android.widget.TextView;import android.widget.Toast;import com.czh.tongjiproject.base.BaseActivity;import com.czh.tongjiproject.basenet.OkHttpUtil;import com.czh.tongjiproject.util.UrlManager;import com.czh.tongjiproject.widget.BackDialog;import com.czh.tongjiproject.widget.MyVideoView;import java.io.IOException;import czh.com.tongjiproject.R;import okhttp3.Call;import okhttp3.Response;/** * 录制视频界面 */public class RecordVideoActivity extends BaseActivity implements View.OnClickListener,OkHttpUtil.OkHttpCallBack {    private TextView act_record_video_time;//倒计时时间    private Button act_record_video_recordBtn;//录制按钮    private MyVideoView myVideoView;    private MyCount mc;    private String filePath;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_record_video);        initView();//初始化布局控件    }    /*定义一个倒计时的内部类*/    class MyCount extends CountDownTimer {        public MyCount(long millisInFuture, long countDownInterval) {            super(millisInFuture, countDownInterval);        }        @Override        public void onFinish() {            filePath = myVideoView.getFilePath();            act_record_video_time.setVisibility(View.GONE);            myVideoView.endRecord();            act_record_video_recordBtn.setClickable(true);            act_record_video_recordBtn.setText("开始上传");        }        @Override        public void onTick(long millisUntilFinished) {            act_record_video_time.setText("倒计时:" + (millisUntilFinished / 1000) + "秒");        }    }    private void initView() {        mc = new MyCount(15000, 1000);        myVideoView = fView(R.id.myVideoView);        common_head_back = fView(R.id.common_head_back);//返回键        act_record_video_time = fView(R.id.act_record_video_time);//倒计时时间        common_head_back.setVisibility(View.VISIBLE);        act_record_video_recordBtn = fView(R.id.act_record_video_recordBtn);        onClickListener();    }    private void onClickListener() {        common_head_back.setOnClickListener(this);        act_record_video_recordBtn.setOnClickListener(this);        act_record_video_recordBtn.setClickable(true);    }    @Override    public void onClick(View view) {        switch (view.getId()) {            case R.id.act_record_video_recordBtn:                if (isEmpty(filePath)) {//如果路径为空，那么点击录制                    btnDaoJiShi();                } else {//路径不为空,等待上传                    Toast.makeText(RecordVideoActivity.this, "正在上传，请稍后...", Toast.LENGTH_SHORT).show();                }                break;        }    }    public void btnDaoJiShi() {        mc.start();        myVideoView.startRecord();//开始录制视频        act_record_video_recordBtn.setText("录制中");        act_record_video_recordBtn.setClickable(false);    }}

activiity_record_video.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical">    <include layout="@layout/common_head" />    <RelativeLayout        android:layout_width="match_parent"        android:layout_height="0dp"        android:layout_weight="3.5">        <com.czh.tongjiproject.widget.MyVideoView            android:id="@+id/myVideoView"            android:layout_width="match_parent"            android:layout_height="match_parent" />    </RelativeLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="0dp"        android:layout_weight="2"        android:background="@color/gray"        android:gravity="center"        android:orientation="vertical">        <TextView            android:id="@+id/act_record_video_time"            style="@style/recordtvsytle"            android:text="倒计时:15秒" />        <Button            android:id="@+id/act_record_video_recordBtn"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:background="@drawable/login_but"            android:paddingLeft="30dp"            android:paddingRight="30dp"            android:text="@string/start_record"            android:textColor="@android:color/white"            android:textSize="14sp"            android:textStyle="bold" />    </LinearLayout></LinearLayout>

MyViedoView.class

package com.czh.tongjiproject.widget;import android.content.Context;import android.graphics.PixelFormat;import android.hardware.Camera;import android.media.MediaPlayer;import android.media.MediaPlayer.OnCompletionListener;import android.media.MediaPlayer.OnErrorListener;import android.media.MediaRecorder;import android.os.CountDownTimer;import android.os.Environment;import android.util.AttributeSet;import android.view.LayoutInflater;import android.view.SurfaceHolder;import android.view.SurfaceView;import android.view.View;import android.view.animation.AlphaAnimation;import android.view.animation.Animation;import android.widget.FrameLayout;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.SeekBar;import android.widget.Toast;import java.io.File;import java.io.IOException;import czh.com.tongjiproject.R;/** * Created by Administrator on 2016/7/19. * Jiahuan */public class MyVideoView extends FrameLayout implements SurfaceHolder.Callback, View.OnClickListener {    private String filePath;    private View view;    private SurfaceView act_record_video_surfaceView;//显示视频的控件    private SurfaceHolder surfaceHolder;// 用来显示视频的一个接口    private MediaRecorder recorder;// 录制视频的类    private LinearLayout widget_myvideovide_ll;    private Camera camera;    public MyVideoView(Context context, AttributeSet attrs) {        super(context, attrs);        mContext = context;        view = LayoutInflater.from(context).inflate(                R.layout.widget_myvideoview, this, true);        findView();    }    private File createFile() {        File defaultDir = Environment.getExternalStorageDirectory();        String path = defaultDir.getAbsolutePath() + File.separator + "V" + File.separator;//创建文件夹存放视频        File dir = new File(path);        if (!dir.exists()) {            dir.mkdir();        }        return dir;    }    private void findView() {        mc = new MyCount(15000, 500);//        recorder = new MediaRecorder();        act_record_video_surfaceView = (SurfaceView) view.findViewById(R.id.act_record_video_surfaceView);        act_record_video_surfaceView.setZOrderOnTop(true);//设置画布  背景透明        act_record_video_surfaceView.getHolder().setFormat(PixelFormat.TRANSLUCENT);        surfaceHolder = act_record_video_surfaceView.getHolder();// 取得holder        surfaceHolder.addCallback(this); // holder加入回调接口        // setType必须设置，要不出错.        surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);        act_record_video_videoView = (VideoViewWidget) view.findViewById(R.id.act_record_video_videoView);        act_record_video_videoView.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {            @Override            public void onPrepared(MediaPlayer mediaPlayer) {                seekBar.setMax(mediaPlayer.getDuration());            }        });        widget_myvideovide_ll = (LinearLayout) view.findViewById(R.id.widget_myvideovide_ll);    }    /**     * 开始录制的方法     */    private void recordVideoStart() {        try {            recorder = new MediaRecorder();            File myRecAudioFile = File.createTempFile("video", ".mp4", createFile());//创建临时文件            filePath = myRecAudioFile.getAbsolutePath();//获取绝对路径            // 设置录制视频源为Camera(相机)            camera = Camera.open(Camera.CameraInfo.CAMERA_FACING_BACK);            if (camera != null) {                camera.setDisplayOrientation(90);// 摄像图旋转90度                  camera.unlock();                recorder.setCamera(camera);            }            recorder.setPreviewDisplay(surfaceHolder.getSurface());//预览            recorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);//视频源            recorder.setOrientationHint(90);//视频旋转90度            recorder.setAudioSource(MediaRecorder.AudioSource.MIC); //录音源为麦克风            recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);//输出格式为3gp//            recorder.setVideoSize(800, 480);//视频尺寸            recorder.setVideoEncoder(MediaRecorder.VideoEncoder.H263);//视频编码            recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);//音频编码            recorder.setMaxDuration(10000);//最大期限            recorder.setOutputFile(myRecAudioFile.getAbsolutePath());//保存路径            recorder.prepare();           recorder.start();        } catch (IOException e) {            e.printStackTrace();        }    }    @Override    public void surfaceChanged(SurfaceHolder holder, int format, int width,                               int height) {        // 将holder，这个holder为开始在onCreate里面取得的holder，将它赋给surfaceHolder        surfaceHolder = holder;    }    @Override    public void surfaceCreated(SurfaceHolder holder) {        // 将holder，这个holder为开始在onCreate里面取得的holder，将它赋给surfaceHolder        surfaceHolder = holder;    }    @Override    public void surfaceDestroyed(SurfaceHolder holder) {        // surfaceDestroyed的时候同时对象设置为null        act_record_video_surfaceView = null;        surfaceHolder = null;        recorder = null;    }    /**     * 开始录制     */    public void startRecord() {        act_record_video_surfaceView.setVisibility(View.VISIBLE);        recordVideoStart();    }    /**     * 结束录制     */    public String endRecord() {        if (recorder != null) {            // 停止录制            recorder.stop();            // 释放资源            recorder.reset();            recorder.release();            recorder = null;            camera.stopPreview();            camera.release();            camera = null;        }        if (act_record_video_surfaceView != null) {            act_record_video_surfaceView.setVisibility(View.GONE);        }        return filePath;    }    public String getFilePath() {        return filePath;    }    //1是录制    public int getCurrentShow() {        return (this.act_record_video_surfaceView.getVisibility() == View.VISIBLE) ? 2 : 1;    }}

widget_myvideoview.xml

<?xml version="1.0" encoding="utf-8"?><FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent">    <SurfaceView        android:id="@+id/act_record_video_surfaceView"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:visibility="visible"        android:backgroundTint="@android:color/white" /></FrameLayout>

好了，简单的就写完了