Android仿微信摄像短视频

/** * 视频播放控件 */public class MovieRecorderView extends LinearLayout implements OnErrorListener {    private SurfaceView mSurfaceView;    private SurfaceHolder mSurfaceHolder;    private ProgressBar mProgressBar;    private MediaRecorder mMediaRecorder;    private Camera mCamera;    private Timer mTimer;// 计时器    private OnRecordFinishListener mOnRecordFinishListener;// 录制完成回调接口    private int mWidth;// 视频分辨率宽度    private int mHeight;// 视频分辨率高度    private boolean isOpenCamera;// 是否一开始就打开摄像头    private int mRecordMaxTime;// 一次拍摄最长时间    private int mTimeCount;// 时间计数    private File mVecordFile = null;// 文件    public MovieRecorderView(Context context) {        this(context, null);    }    public MovieRecorderView(Context context, AttributeSet attrs) {        this(context, attrs, 0);    }    @SuppressLint("NewApi")    public MovieRecorderView(Context context, AttributeSet attrs, int defStyle) {        super(context, attrs, defStyle);        TypedArray a = context.obtainStyledAttributes(attrs,                R.styleable.MovieRecorderView, defStyle, 0);        mWidth = a.getInteger(R.styleable.MovieRecorderView_width, 320);// 默认320        mHeight = a.getInteger(R.styleable.MovieRecorderView_height, 240);// 默认240        isOpenCamera = a.getBoolean(                R.styleable.MovieRecorderView_is_open_camera, true);// 默认打开        mRecordMaxTime = a.getInteger(                R.styleable.MovieRecorderView_record_max_time, 10);// 默认为10        LayoutInflater.from(context)                .inflate(R.layout.movie_recorder_view, this);        mSurfaceView = (SurfaceView) findViewById(R.id.surfaceview);        mProgressBar = (ProgressBar) findViewById(R.id.progressBar);        mProgressBar.setMax(mRecordMaxTime);// 设置进度条最大量        mSurfaceHolder = mSurfaceView.getHolder();        mSurfaceHolder.addCallback(new CustomCallBack());        mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);        a.recycle();    }    /**     *      */    private class CustomCallBack implements Callback {        @Override        public void surfaceCreated(SurfaceHolder holder) {            if (!isOpenCamera)                return;            try {                initCamera();            } catch (IOException e) {                e.printStackTrace();            }        }        @Override        public void surfaceChanged(SurfaceHolder holder, int format, int width,                int height) {        }        @Override        public void surfaceDestroyed(SurfaceHolder holder) {            if (!isOpenCamera)                return;            freeCameraResource();        }    }    /**     * 初始化摄像头     */    private void initCamera() throws IOException {        if (mCamera != null) {            freeCameraResource();        }        try {            mCamera = Camera.open();        } catch (Exception e) {            e.printStackTrace();            freeCameraResource();        }        if (mCamera == null)            return;        setCameraParams();        mCamera.setDisplayOrientation(90);        mCamera.setPreviewDisplay(mSurfaceHolder);        mCamera.startPreview();        mCamera.unlock();    }    /**     * 设置摄像头为竖屏     */    private void setCameraParams() {        if (mCamera != null) {            Parameters params = mCamera.getParameters();            params.set("orientation", "portrait");            mCamera.setParameters(params);        }    }    /**     * 释放摄像头资源     */    private void freeCameraResource() {        if (mCamera != null) {            mCamera.setPreviewCallback(null);            mCamera.stopPreview();            mCamera.lock();            mCamera.release();            mCamera = null;        }    }    private void createRecordDir() {        //录制的视频保存文件夹        File sampleDir = new File(Environment.getExternalStorageDirectory()                + File.separator + "ysb/video/");//录制视频的保存地址        if (!sampleDir.exists()) {            sampleDir.mkdirs();        }        File vecordDir = sampleDir;        // 创建文件        try {            mVecordFile = File.createTempFile("recording", ".mp4", vecordDir);// mp4格式的录制的视频文件        } catch (IOException e) {            e.printStackTrace();        }    }    /**     * 初始化     * @throws IOException     */    @SuppressLint("NewApi")    private void initRecord() throws IOException {        mMediaRecorder = new MediaRecorder();        mMediaRecorder.reset();        if (mCamera != null)            mMediaRecorder.setCamera(mCamera);        mMediaRecorder.setOnErrorListener(this);        mMediaRecorder.setPreviewDisplay(mSurfaceHolder.getSurface());        mMediaRecorder.setVideoSource(VideoSource.CAMERA);// 视频源        mMediaRecorder.setAudioSource(AudioSource.MIC);// 音频源        mMediaRecorder.setOutputFormat(OutputFormat.MPEG_4);// 视频输出格式        mMediaRecorder.setAudioEncoder(AudioEncoder.AMR_NB);// 音频格式        mMediaRecorder.setVideoSize(mWidth, mHeight);// 设置分辨率：        // mMediaRecorder.setVideoFrameRate(16);// 这个我把它去掉了，感觉没什么用        mMediaRecorder.setVideoEncodingBitRate(1 * 1024 * 1024 * 100);// 设置帧频率，然后就清晰了        mMediaRecorder.setOrientationHint(90);// 输出旋转90度，保持竖屏录制        mMediaRecorder.setVideoEncoder(VideoEncoder.MPEG_4_SP);// 视频录制格式        // mediaRecorder.setMaxDuration(Constant.MAXVEDIOTIME * 1000);        mMediaRecorder.setOutputFile(mVecordFile.getAbsolutePath());        mMediaRecorder.prepare();        try {            mMediaRecorder.start();        } catch (IllegalStateException e) {            e.printStackTrace();        } catch (RuntimeException e) {            e.printStackTrace();        } catch (Exception e) {            e.printStackTrace();        }    }    /**     * 开始录制视频     * @param fileName     *            视频储存位置     * @param onRecordFinishListener     *            达到指定时间之后回调接口     */    public void record(final OnRecordFinishListener onRecordFinishListener) {        this.mOnRecordFinishListener = onRecordFinishListener;        createRecordDir();        try {            if (!isOpenCamera)// 如果未打开摄像头，则打开                initCamera();            initRecord();            mTimeCount = 0;// 时间计数器重新赋值            mTimer = new Timer();            mTimer.schedule(new TimerTask() {                @Override                public void run() {                    mTimeCount++;                    mProgressBar.setProgress(mTimeCount);// 设置进度条                    if (mTimeCount == mRecordMaxTime) {// 达到指定时间，停止拍摄                        stop();                        if (mOnRecordFinishListener != null)                            mOnRecordFinishListener.onRecordFinish();                    }                }            }, 0, 1000);        } catch (IOException e) {            e.printStackTrace();        }    }    /**     * 停止拍摄     */    public void stop() {        stopRecord();        releaseRecord();        freeCameraResource();    }    /**     * 停止录制     */    public void stopRecord() {        mProgressBar.setProgress(0);        if (mTimer != null)            mTimer.cancel();        if (mMediaRecorder != null) {            // 设置后不会崩            mMediaRecorder.setOnErrorListener(null);            mMediaRecorder.setPreviewDisplay(null);            try {                mMediaRecorder.stop();            } catch (IllegalStateException e) {                e.printStackTrace();            } catch (RuntimeException e) {                e.printStackTrace();            } catch (Exception e) {                e.printStackTrace();            }        }    }    /**     * 释放资源     */    private void releaseRecord() {        if (mMediaRecorder != null) {            mMediaRecorder.setOnErrorListener(null);            try {                mMediaRecorder.release();            } catch (IllegalStateException e) {                e.printStackTrace();            } catch (Exception e) {                e.printStackTrace();            }        }        mMediaRecorder = null;    }    public int getTimeCount() {        return mTimeCount;    }    //返回录制的视频文件    public File getmVecordFile() {        return mVecordFile;    }    /**     * 录制完成回调接口     */    public interface OnRecordFinishListener {        public void onRecordFinish();    }    @Override    public void onError(MediaRecorder mr, int what, int extra) {        try {            if (mr != null)                mr.reset();        } catch (IllegalStateException e) {            e.printStackTrace();        } catch (Exception e) {            e.printStackTrace();        }    }}

<?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:background="@android:color/background_dark"    android:orientation="vertical">    <SurfaceView          android:id="@+id/surfaceview"          android:layout_width="fill_parent"          android:layout_height="0dp"         android:layout_weight="1"          />    <ProgressBar        android:id="@+id/progressBar"        style="?android:attr/progressBarStyleHorizontal"        android:layout_width="match_parent"        android:layout_height="2dp"         />    </LinearLayout>

<?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:background="@android:color/white"    android:orientation="vertical">    <com.example.wechatvideorecorddemo.MovieRecorderView        android:id="@+id/movieRecorderView"        android:layout_width="match_parent"        android:layout_height="0dp"        android:layout_weight="1"        android:layout_margin="3dp" />        <Button        android:id="@+id/shoot_button"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center"        android:background="@drawable/bg_movie_add_shoot"        android:text="按住拍"         android:textColor="#20b6ff"/></LinearLayout>

public class MainActivity extends Activity {    private MovieRecorderView mRecorderView;//视频录制控件    private Button mShootBtn;//视频开始录制按钮    private boolean isFinish = true;    private boolean success = false;//防止录制完成后出现多次跳转事件    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        mRecorderView = (MovieRecorderView) findViewById(R.id.movieRecorderView);        mShootBtn = (Button) findViewById(R.id.shoot_button);        //用户长按事件监听        mShootBtn.setOnTouchListener(new OnTouchListener() {            @Override            public boolean onTouch(View v, MotionEvent event) {                if (event.getAction() == MotionEvent.ACTION_DOWN) {//用户按下拍摄按钮                    mShootBtn.setBackgroundResource(R.drawable.bg_movie_add_shoot_select);                    mRecorderView.record(new OnRecordFinishListener() {                        @Override                        public void onRecordFinish() {                            if(!success&&mRecorderView.getTimeCount()<10){//判断用户按下时间是否大于10秒                                success = true;                                handler.sendEmptyMessage(1);                            }                        }                    });                } else if (event.getAction() == MotionEvent.ACTION_UP) {//用户抬起拍摄按钮                    mShootBtn.setBackgroundResource(R.drawable.bg_movie_add_shoot);                    if (mRecorderView.getTimeCount() > 3){//判断用户按下时间是否大于3秒                        if(!success){                            success = true;                            handler.sendEmptyMessage(1);                        }                    } else {                        success = false;                        if (mRecorderView.getmVecordFile() != null)                            mRecorderView.getmVecordFile().delete();//删除录制的过短视频                        mRecorderView.stop();//停止录制                        Toast.makeText(MainActivity.this, "视频录制时间太短", Toast.LENGTH_SHORT).show();                    }                }                return true;            }        });    }    @Override    public void onResume() {        super.onResume();        isFinish = true;        if (mRecorderView.getmVecordFile() != null)            mRecorderView.getmVecordFile().delete();//视频使用后删除    }    @Override    public void onSaveInstanceState(Bundle outState) {        super.onSaveInstanceState(outState);        isFinish = false;        success = false;        mRecorderView.stop();//停止录制    }    @Override    public void onPause() {        super.onPause();    }    @Override    public void onDestroy() {        super.onDestroy();    }    private Handler handler = new Handler() {        @Override        public void handleMessage(Message msg) {            if(success){                finishActivity();            }        }    };    //视频录制结束后，跳转的函数    private void finishActivity() {        if (isFinish) {            mRecorderView.stop();            Intent intent = new Intent(this, SuccessActivity.class);            Bundle bundle = new Bundle();            bundle.putString("text", mRecorderView.getmVecordFile().toString());            intent.putExtras(bundle);            startActivity(intent);        }        success = false;    }    /**     * 录制完成回调     */     public interface OnShootCompletionListener {         public void OnShootSuccess(String path, int second);         public void OnShootFailure();     }}

<?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:background="@android:color/white"    android:orientation="vertical">    <TextView         android:id="@+id/text"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center"        android:text="@string/app_name" />    <LinearLayout         android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="horizontal"        >        <Button             android:id="@+id/button1"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:layout_weight="1"            android:gravity="center"            android:padding="5dp"            android:text="播放"            />        <Button             android:id="@+id/button2"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:layout_weight="1"            android:gravity="center"            android:padding="5dp"            android:text="暂停"            />        <Button             android:id="@+id/button3"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:layout_weight="1"            android:gravity="center"            android:padding="5dp"            android:text="重播"            />        <Button             android:id="@+id/button4"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:layout_weight="1"            android:gravity="center"            android:padding="5dp"            android:text="视频长度"            />    </LinearLayout>    <VideoView        android:id="@+id/videoView1"        android:layout_width="wrap_content"        android:layout_height="500dp" /></LinearLayout>

public class SuccessActivity extends Activity implements OnClickListener{    private TextView text;//视频保存的路径    private Button button1;//播放开关    private Button button2;//暂停开关    private Button button3;//重新播放开关    private Button button4;//视频大小开关    private VideoView videoView1;//视频播放控件    private String file;//视频路径    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_success);        Bundle bundle = getIntent().getExtras();        file = bundle.getString("text");//获得拍摄的短视频保存地址        init();        setValue();    }    //初始化    private void init() {        text = (TextView) findViewById(R.id.text);        button1 = (Button) findViewById(R.id.button1);        button2 = (Button) findViewById(R.id.button2);        button3 = (Button) findViewById(R.id.button3);        button4 = (Button) findViewById(R.id.button4);        videoView1 = (VideoView) findViewById(R.id.videoView1);    }        //设置    private void setValue() {        text.setText(file);        button1.setOnClickListener(this);        button2.setOnClickListener(this);        button3.setOnClickListener(this);        button4.setOnClickListener(this);        videoView1.setVideoPath(file);    }    @Override    public void onClick(View v) {        switch (v.getId()) {        case R.id.button1:            videoView1.start();            break;                    case R.id.button2:            videoView1.pause();                    break;                            case R.id.button3:            videoView1.resume();            videoView1.start();            break;                    case R.id.button4:            Toast.makeText(this, "视频长度："+(videoView1.getDuration()/1024)+"M", Toast.LENGTH_SHORT).show();            break;        default:            break;        }    }    }