java制作仿微信录制小视频控件

import java.io.File;import java.io.IOException;import java.util.Timer;import java.util.TimerTask; import android.content.Context;import android.content.res.TypedArray;import android.hardware.Camera;import android.hardware.Camera.Parameters;import android.media.MediaRecorder;import android.media.MediaRecorder.AudioEncoder;import android.media.MediaRecorder.AudioSource;import android.media.MediaRecorder.OnErrorListener;import android.media.MediaRecorder.OutputFormat;import android.media.MediaRecorder.VideoEncoder;import android.media.MediaRecorder.VideoSource;import android.util.AttributeSet;import android.view.LayoutInflater;import android.view.SurfaceHolder;import android.view.SurfaceHolder.Callback;import android.view.SurfaceView;import android.widget.LinearLayout;import android.widget.ProgressBar; import com.contron.dgyj.R;import com.contron.dgyj.common.Globals;import com.contron.dgyj.im.ImGlobal;import com.lidroid.xutils.util.LogUtils; /** * 视频播放控件 *  * @author liuyinjun *  * @date 2015-2-5 */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);  }   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();  }   /**   *    * @author liuyinjun   *    * @date 2015-2-5   */  private class CustomCallBack implements Callback {     @Override    public void surfaceCreated(SurfaceHolder holder) {      if (!isOpenCamera)        return;      try {        initCamera();      } catch (IOException e) {        // TODO Auto-generated catch block        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   *    * @author liuyinjun   * @date 2015-2-5   * @throws IOException   */  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   *    * @author liuyinjun   * @date 2015-2-5   */  private void setCameraParams() {    if (mCamera != null) {      Parameters params = mCamera.getParameters();      params.set("orientation", "portrait");      mCamera.setParameters(params);    }  }   /**   * 释放摄像头资源   *    * @author liuyinjun   * @date 2015-2-5   */  private void freeCameraResource() {    if (mCamera != null) {      mCamera.setPreviewCallback(null);      mCamera.stopPreview();      mCamera.lock();      mCamera.release();      mCamera = null;    }  }   private void createRecordDir() {    File sampleDir = new File(Environment.getExternalStorageDirectory() + File.separator + "im/video/");    if (!sampleDir.exists()) {      sampleDir.mkdirs();    }    File vecordDir = sampleDir;    // 创建文件    try {      mVecordFile = File.createTempFile("recording", ".mp4", vecordDir);//mp4格式      LogUtils.i(mVecordFile.getAbsolutePath());    } catch (IOException e) {    }  }   /**   * 初始化   *    * @author liuyinjun   * @date 2015-2-5   * @throws IOException   */  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 * 512);// 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   *    * @author liuyinjun   * @date 2015-2-5   * @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() {          // TODO Auto-generated method stub          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   *    * @author liuyinjun   * @date 2015-2-5   */  public void stop() {    stopRecord();    releaseRecord();    freeCameraResource();  }   /**   * 停止录制   *    * @author liuyinjun   * @date 2015-2-5   */  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   *    * @author liuyinjun   * @date 2015-2-5   */  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;  }   /**   * @return the mVecordFile   */  public File getmVecordFile() {    return mVecordFile;  }   /**   * 录制完成回调接口   *   * @author liuyinjun   *    * @date 2015-2-5   */  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/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>