Android仿微信录制小视频

import android.app.Activity;import android.content.Intent;import android.graphics.Bitmap;import android.hardware.Camera;import android.media.MediaMetadataRetriever;import android.media.MediaRecorder;import android.os.Bundle;import android.os.Environment;import android.os.Handler;import android.os.Message;import android.view.KeyEvent;import android.view.MotionEvent;import android.view.SurfaceHolder;import android.view.SurfaceView;import android.view.View;import android.view.ViewGroup;import android.widget.Button;import android.widget.ImageView;import android.widget.ProgressBar;import android.widget.TextView;import android.widget.Toast;import com.tongxun.atongmu.dialog.CommonDialog;import java.io.File;import java.io.IOException;import java.util.List;import java.util.Timer;import java.util.TimerTask;public class CircleViedoActivity extends Activity implements View.OnClickListener,MediaRecorder.OnErrorListener { private SurfaceView mSurfaceView; private SurfaceHolder mSurfaceHolder; private ProgressBar mProgressBar; private Button shoot_button; private ImageView circle_light_btn; private ImageView circle_change_camera_btn; private TextView circle_camera_time; 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 int mNumberOfCameras=0;//手机摄像头的数量 Bitmap bitmap;//图片缩略图 private int screenWidth; public static File mVecordFile = null;// 文件 private boolean isOpenFlash=false; private boolean isBackCamera=true; private int mbackCamera; private int mfrontCamera; private CommonDialog commonDialog; private static final int MOVICE_SUCCESS=1000;//录制完成 private static final int MOVICE_FILE=1001;//录制失败 @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_super_video);  init_datas();  init_view();  set_datas();  init_event(); } private void init_datas() {  isOpenCamera=true;//默认一开始就打开相机  mRecordMaxTime=10;//设置录制的时间  //获取手机摄像头的数量  Camera.CameraInfo cameraInfo=new Camera.CameraInfo();  mNumberOfCameras=Camera.getNumberOfCameras();  for(int camidx=0;camidx<mNumberOfCameras;camidx++){   Camera.getCameraInfo(camidx, cameraInfo);   if(cameraInfo.facing==Camera.CameraInfo.CAMERA_FACING_BACK){    mbackCamera=camidx;   }else if(cameraInfo.facing==Camera.CameraInfo.CAMERA_FACING_FRONT){    mfrontCamera=camidx;   }  } } private void init_view() {  mWidth=640;  mHeight=480;  //获取屏幕的宽度  screenWidth = getWindowManager().getDefaultDisplay().getWidth();  mSurfaceView = (SurfaceView) findViewById(R.id.surfaceview);//预览界面  mProgressBar = (ProgressBar) findViewById(R.id.progressBar);//进度条  shoot_button = (Button) findViewById(R.id.shoot_button);//拍摄按钮  circle_camera_time= (TextView) findViewById(R.id.circle_camera_time);  circle_change_camera_btn= (ImageView) findViewById(R.id.circle_change_camera_btn);//切换摄像头  circle_light_btn= (ImageView) findViewById(R.id.circle_light_btn);//开启闪光灯  ViewGroup.LayoutParams params=mSurfaceView.getLayoutParams();  params.height=(screenWidth*4)/3;  params.width=screenWidth;  mSurfaceView.setLayoutParams(params);  top_model2_left_img= (ImageView)findViewById(R.id.top_model2_left_img);  top_model2_left_img.setOnClickListener(this);  top_model2_right_img= (ImageView)findViewById(R.id.top_model2_right_img);  top_model2_right_img.setVisibility(View.INVISIBLE);  top_model2_txt= (TextView)findViewById(R.id.top_model2_txt);  top_model2_txt.setText("视频录制"); } private void set_datas() {  mSurfaceHolder = mSurfaceView.getHolder();  mProgressBar.setMax(mRecordMaxTime);// 设置进度条最大量  mSurfaceHolder.setKeepScreenOn(true);//设置屏幕常亮  mSurfaceHolder.addCallback(new CustomCallBack());  mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);  circle_camera_time.setText(""); } private void init_event() {  circle_light_btn.setOnClickListener(this);  circle_change_camera_btn.setOnClickListener(this);  shoot_button.setOnTouchListener(new View.OnTouchListener() {   @Override   public boolean onTouch(View v, MotionEvent event) {    if (event.getAction() == MotionEvent.ACTION_DOWN) {     record(new OnRecordFinishListener() {      @Override      public void onRecordFinish() {       //录制时间达到最大值       handler.sendEmptyMessage(MOVICE_SUCCESS);      }     });    } else if (event.getAction() == MotionEvent.ACTION_UP) {     if (mTimeCount > 1 && mTimeCount<10) { //防止达到最大值up事件      //录制时间大于一秒      handler.sendEmptyMessage(MOVICE_SUCCESS);     } else if(mTimeCount<=1) {      //删除小于一秒的视频      if (getmVecordFile() != null) {       getmVecordFile().delete();      }      handler.sendEmptyMessage(MOVICE_FILE);     }    }    return true;   }  }); } @Override protected void onResume() {  super.onResume();  if(mCamera!=null){   freeCameraResource();  }  try {   initCamera();  } catch (IOException e) {   e.printStackTrace();  } } @Override public void onSaveInstanceState(Bundle outState) {  super.onSaveInstanceState(outState);  // mRecorderView.stop(); } private Handler handler = new Handler() {  @Override  public void handleMessage(Message msg) {   //停止拍摄   stopRecord();   switch (msg.what){    case MOVICE_SUCCESS:     String msgs = "确认上传吗?";     commonDialog = new CommonDialog(CircleViedoActivity.this, new CommonDialog.GoCommonDialog() {      @Override      public void go() {       finishActivity();       commonDialog.dismiss();      }      @Override      public void cancel() {       //删除没有上传的视频       if (getmVecordFile() != null) {        getmVecordFile().delete();       }       commonDialog.dismiss();      }     }, msgs, "确定", "取消");     commonDialog.show();     break;    case MOVICE_FILE:     Toast.makeText(CircleViedoActivity.this, "视频录制时间太短", Toast.LENGTH_SHORT).show();     break;   }  } }; private void finishActivity() {  stop();  Bitmap bitmap = null;  if (getmVecordFile() != null) {   //得到文件 File类型   File mfile = getmVecordFile();   bitmap = getVideoThumbnail(mfile.toString());  } /**  * 部分Android手机缩略图拉不到，找到一种解决办法不是太满意 有没有大神提供思路  */  // VideoPlayerActivity.startActivity(this, mRecorderView.getVecordFile().toString());  Intent intent = new Intent();  intent.putExtra("bitmap",bitmap);  setResult(RESULT_OK,intent);  finish(); } @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();  } } @Override public void onClick(View v) {  switch (v.getId()){   case R.id.circle_light_btn:    //开启关闭闪光灯 默认关闭    if(isOpenFlash){     isOpenFlash=false;     circle_light_btn.setImageResource(R.drawable.camera_light);    }else {     isOpenFlash=true;     circle_light_btn.setImageResource(R.drawable.camera_no_light);    }    try {     initCamera();    } catch (IOException e) {     e.printStackTrace();    }    break;   case R.id.circle_change_camera_btn:    if(isBackCamera){     isBackCamera=false;    }else {     isBackCamera=true;    }    try {     initCamera();    } catch (IOException e) {     e.printStackTrace();    }    break;   case R.id.top_model2_left_img:    stop();    finish();    break;  } } private class CustomCallBack implements SurfaceHolder.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) {  } } /**  * 初始化摄像头  */ private void initCamera() throws IOException {  if (mCamera != null) {   freeCameraResource();  }  try {   if(isBackCamera){    mCamera = Camera.open(mbackCamera);//打开后摄像头    setCameraParams(isOpenFlash);   }else {    mCamera=Camera.open(mfrontCamera);//打开前摄像头   }  } catch (Exception e) {   e.printStackTrace();   freeCameraResource();  }  if (mCamera == null)   return;  mCamera.setDisplayOrientation(90);  mCamera.setPreviewDisplay(mSurfaceHolder);  mCamera.startPreview();  mCamera.unlock(); } /**  * 设置摄像头为竖屏  */ private void setCameraParams(Boolean isOpenFlash) {  if (mCamera != null) {   Camera.Parameters params = mCamera.getParameters();   //获取预览的各种分辨率   List<Camera.Size> supportedPreviewSizes = params.getSupportedPreviewSizes();   params.set("orientation", "portrait");//竖屏录制   params.setPreviewSize(mWidth, mHeight);//默认640*480   params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);//持续对焦   if(isBackCamera){    if(isOpenFlash){     //开启闪光灯     params.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);    }else {     //关闭闪光灯     params.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);    }   }else {   }   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() {  File sampleDir = new File(Environment.getExternalStorageDirectory() + File.separator + "ATOMImg/video/");  if (!sampleDir.exists()) {   sampleDir.mkdirs();  }  File vecordDir = sampleDir;  // 创建文件  try {   mVecordFile = File.createTempFile("recording", ".mp4", vecordDir);//mp4格式  } catch (IOException e) {  } } /**  * 初始化  */ 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(MediaRecorder.VideoSource.CAMERA);// 视频源  mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);// 音频源  mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);// 视频输出格式  mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);// 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);// 设置帧频率，然后就清晰了  if(isBackCamera) {   mMediaRecorder.setOrientationHint(90);// 输出旋转90度，保持竖屏录制  }else {   mMediaRecorder.setOrientationHint(270);  }mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);// 视频录制格式----------/**  这里是配置摄像头的重点 因为我们录制视频需要适配IOS开发和Android不同版本的手机 而IOS和Android通配的视频格式不多 我们这里采用H264格式 它的兼容范围更广阔 主要解决的就是部分OPPO手机不适配问题*/----------  // 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();  } } /**  * 录制完成回调接口  */ public interface OnRecordFinishListener {  public void onRecordFinish(); } /**  * 录制  * @param onRecordFinishListener  */ public void record(final OnRecordFinishListener onRecordFinishListener) {  this.mOnRecordFinishListener = onRecordFinishListener;  createRecordDir();//创建目录  try {   if (!isOpenCamera)// 如果未打开摄像头，则打开    initCamera();//初始化摄像头   initRecord();//初始化录制参数   mTimeCount = 0;// 时间计数器重新赋值   mTimer = new Timer();//创建一个定时器   mTimer.schedule(new TimerTask() {    @Override    public void run() {     // TODO Auto-generated method stub     mTimeCount++;     mProgressBar.setProgress(mTimeCount);// 设置进度条     // handler.sendEmptyMessage(TIME_CHANGW);     runOnUiThread(new Runnable() {      @Override      public void run() {       circle_camera_time.setText(mTimeCount + "″");      }     });     if (mTimeCount == mRecordMaxTime) {// 达到指定时间，停止拍摄      //录制完成调用录制回调接口      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);  circle_camera_time.setText("");  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();   }  } } /**  * 获取的视频的位置  * @return  */ public File getmVecordFile() {  return mVecordFile; } /**  * 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; } @Override public boolean onKeyDown(int keyCode, KeyEvent event) {  if ((keyCode == KeyEvent.KEYCODE_BACK)) {   stop();   finish();   return false;  }else {   return super.onKeyDown(keyCode, event);  } } /**  * 获取视频缩略图  * @param filePath  * @return  */ public Bitmap getVideoThumbnail(String filePath) {  Bitmap bitmap = null;  MediaMetadataRetriever retriever = new MediaMetadataRetriever();  try {   retriever.setDataSource(filePath);   bitmap = retriever.getFrameAtTime();  }  catch(IllegalArgumentException e) {   e.printStackTrace();  }  catch (RuntimeException e) {   e.printStackTrace();  }  finally {   try {    retriever.release();   }   catch (RuntimeException e) {    e.printStackTrace();   }  }  return bitmap; } @Override protected void onDestroy() {  super.onDestroy();  if(bitmap!=null){   try {    bitmap.recycle();   } catch (Exception e) {    e.printStackTrace();   }   bitmap=null;  } }}