Android 使用MediaRecorder和SurfaceView分别捕获和显示视频
我已经搜索了很多关于这个的话题，但无法解决我的问题 我有一个表面观察： 加载时为洋红色 按下绿色的“录制”按钮时，显示摄像机视图，显示实时摄像机进给，按钮变为红色的“停止” 按下红色“停止”按钮时，实时摄像机进纸停止，按钮变为绿色“记录” 下面是一些代码： [变量]Android 使用MediaRecorder和SurfaceView分别捕获和显示视频,android,camera,surfaceview,android-mediarecorder,Android,Camera,Surfaceview,Android Mediarecorder,我已经搜索了很多关于这个的话题，但无法解决我的问题 我有一个表面观察： 加载时为洋红色 按下绿色的“录制”按钮时，显示摄像机视图，显示实时摄像机进给，按钮变为红色的“停止” 按下红色“停止”按钮时，实时摄像机进纸停止，按钮变为绿色“记录” 下面是一些代码： [变量] /* For the surface view */ SurfaceHolder surfaceHolder; SurfaceView surfaceView; /* For saving the video to the dev
/* For the surface view */
SurfaceHolder surfaceHolder;
SurfaceView surfaceView;
/* For saving the video to the device */
MediaRecorder mediaRecorder = null;
// directory name to store captured images and videos
private static final String IMAGE_DIRECTORY_NAME = "LapMaster";
private Uri fileUri; // file url to store image/video
// Activity request code
public static final int MEDIA_TYPE_VIDEO = 2;
/* For both */
Button cameraPreview;
Camera camera;
boolean previewing = false;
/*
* Called when the page is loaded
*/
@Override
protected void onCreate(Bundle savedInstanceState)
{
cameraPreview = (Button) findViewById(R.id.cameraPreview);
cameraPreview.setBackgroundColor(Color.GREEN);
cameraPreview.setText("Record Video");
//-------------------------------//
mediaRecorder = new MediaRecorder();
//-----------------------------------------------------------//
mediaRecorder.setMaxDuration(180000); // 180 seconds
mediaRecorder.setMaxFileSize(5000000); // approx. 5 megabytes
surfaceView = (SurfaceView) findViewById(R.id.surfaceview);
// Set the surfaceView so it appears on top, not behind the view
surfaceView.setZOrderOnTop(true);
// Set the surfaceView background colour to magenta
surfaceView.setBackgroundColor(Color.MAGENTA);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.addCallback(this);
cameraPreview.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
if(previewing == false)
{
camera = Camera.open();
if (camera != null)
{
try
{
camera.setPreviewDisplay(surfaceHolder);
Log.i("1", "SetPreviewDisplay() OK");
camera.startPreview();
//------------//
camera.unlock();
//----------------------------//
mediaRecorder.setCamera(camera);
//-----------------------------------------------------------//
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
Log.i("2", "Set sources OK");
//--------------------------------------//
mediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH));
//-----------------------------------//
if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED) == true)
{
fileUri = getOutputMediaFileUri(MEDIA_TYPE_VIDEO);
String dest = fileUri.toString();
mediaRecorder.setOutputFile(dest);
}
Log.i("3", "setOutPutFile() OK");
//-------------------------//
try
{
//--------------------//
mediaRecorder.prepare();
Log.i("4", "prepare() OK");
//------------------//
mediaRecorder.start();
Log.i("5", "start() OK");
}
catch (Exception e)
{
e.printStackTrace();
}
previewing = true;
cameraPreview.setBackgroundColor(Color.RED);
cameraPreview.setText("Stop");
Log.i("6", "setBackground(RED) and setText(Stop) OK");
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
else if(camera != null && (previewing == true))
{
//-------------------------//
try
{
//-----------------//
mediaRecorder.stop();
Log.i("7", "mediaRecorder stop() OK");
}
catch (Exception e)
{
e.printStackTrace();
}
//---------------------//
mediaRecorder.release();
Log.i("8", "mediaRecorder release() OK");
camera.stopPreview();
camera.release();
camera = null;
Log.i("9", "camera stopPreview(), release() and set to null, OK");
previewing = false;
cameraPreview.setBackgroundColor(Color.GREEN);
cameraPreview.setText("Record");
Log.i("10", "setBackground(RED) and setText(Record), OK");
}
}
});
}
/**
* Creating file uri to store image/video
*/
public Uri getOutputMediaFileUri(int type)
{
return Uri.fromFile(getOutputMediaFile(type));
}
/**
* returning image / video
*/
private static File getOutputMediaFile(int type)
{
// External sd card location
File mediaStorageDir = new File(
Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),
IMAGE_DIRECTORY_NAME);
// Create the storage directory if it does not exist
if (!mediaStorageDir.exists())
{
if (!mediaStorageDir.mkdirs())
{
Log.d(IMAGE_DIRECTORY_NAME, "Oops! Failed create "
+ IMAGE_DIRECTORY_NAME + " directory");
return null;
}
}
// Create a media file name
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss",
Locale.getDefault()).format(new Date());
File mediaFile;
mediaFile = new File(mediaStorageDir.getPath() + File.separator
+ "VID_" + timeStamp + ".mp4");
return mediaFile;
}
/* For the surface view */
SurfaceHolder surfaceHolder;
SurfaceView surfaceView;
/* For saving the video to the device */
MediaRecorder mediaRecorder = null;
// directory name to store captured images and videos
private static final String IMAGE_DIRECTORY_NAME = "LapMaster";
private Uri fileUri; // file url to store image/video
// Activity request code
public static final int MEDIA_TYPE_VIDEO = 2;
/* For both */
Button cameraPreview;
Camera camera;
boolean previewing = false;
/*
* Called when the page is loaded
*/
@Override
protected void onCreate(Bundle savedInstanceState)
{
cameraPreview = (Button) findViewById(R.id.cameraPreview);
cameraPreview.setBackgroundColor(Color.GREEN);
cameraPreview.setText("Record Video");
//-------------------------------//
mediaRecorder = new MediaRecorder();
//-----------------------------------------------------------//
mediaRecorder.setMaxDuration(180000); // 180 seconds
mediaRecorder.setMaxFileSize(5000000); // approx. 5 megabytes
surfaceView = (SurfaceView) findViewById(R.id.surfaceview);
// Set the surfaceView so it appears on top, not behind the view
surfaceView.setZOrderOnTop(true);
// Set the surfaceView background colour to magenta
surfaceView.setBackgroundColor(Color.MAGENTA);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.addCallback(this);
cameraPreview.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
if(previewing == false)
{
camera = Camera.open();
if (camera != null)
{
try
{
camera.setPreviewDisplay(surfaceHolder);
Log.i("1", "SetPreviewDisplay() OK");
camera.startPreview();
//------------//
camera.unlock();
//----------------------------//
mediaRecorder.setCamera(camera);
//-----------------------------------------------------------//
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
Log.i("2", "Set sources OK");
//--------------------------------------//
mediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH));
//-----------------------------------//
if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED) == true)
{
fileUri = getOutputMediaFileUri(MEDIA_TYPE_VIDEO);
String dest = fileUri.toString();
mediaRecorder.setOutputFile(dest);
}
Log.i("3", "setOutPutFile() OK");
//-------------------------//
try
{
//--------------------//
mediaRecorder.prepare();
Log.i("4", "prepare() OK");
//------------------//
mediaRecorder.start();
Log.i("5", "start() OK");
}
catch (Exception e)
{
e.printStackTrace();
}
previewing = true;
cameraPreview.setBackgroundColor(Color.RED);
cameraPreview.setText("Stop");
Log.i("6", "setBackground(RED) and setText(Stop) OK");
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
else if(camera != null && (previewing == true))
{
//-------------------------//
try
{
//-----------------//
mediaRecorder.stop();
Log.i("7", "mediaRecorder stop() OK");
}
catch (Exception e)
{
e.printStackTrace();
}
//---------------------//
mediaRecorder.release();
Log.i("8", "mediaRecorder release() OK");
camera.stopPreview();
camera.release();
camera = null;
Log.i("9", "camera stopPreview(), release() and set to null, OK");
previewing = false;
cameraPreview.setBackgroundColor(Color.GREEN);
cameraPreview.setText("Record");
Log.i("10", "setBackground(RED) and setText(Record), OK");
}
}
});
}
/**
* Creating file uri to store image/video
*/
public Uri getOutputMediaFileUri(int type)
{
return Uri.fromFile(getOutputMediaFile(type));
}
/**
* returning image / video
*/
private static File getOutputMediaFile(int type)
{
// External sd card location
File mediaStorageDir = new File(
Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),
IMAGE_DIRECTORY_NAME);
// Create the storage directory if it does not exist
if (!mediaStorageDir.exists())
{
if (!mediaStorageDir.mkdirs())
{
Log.d(IMAGE_DIRECTORY_NAME, "Oops! Failed create "
+ IMAGE_DIRECTORY_NAME + " directory");
return null;
}
}
// Create a media file name
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss",
Locale.getDefault()).format(new Date());
File mediaFile;
mediaFile = new File(mediaStorageDir.getPath() + File.separator
+ "VID_" + timeStamp + ".mp4");
return mediaFile;
}
/* For the surface view */
SurfaceHolder surfaceHolder;
SurfaceView surfaceView;
/* For saving the video to the device */
MediaRecorder mediaRecorder = null;
// directory name to store captured images and videos
private static final String IMAGE_DIRECTORY_NAME = "LapMaster";
private Uri fileUri; // file url to store image/video
// Activity request code
public static final int MEDIA_TYPE_VIDEO = 2;
/* For both */
Button cameraPreview;
Camera camera;
boolean previewing = false;
/*
* Called when the page is loaded
*/
@Override
protected void onCreate(Bundle savedInstanceState)
{
cameraPreview = (Button) findViewById(R.id.cameraPreview);
cameraPreview.setBackgroundColor(Color.GREEN);
cameraPreview.setText("Record Video");
//-------------------------------//
mediaRecorder = new MediaRecorder();
//-----------------------------------------------------------//
mediaRecorder.setMaxDuration(180000); // 180 seconds
mediaRecorder.setMaxFileSize(5000000); // approx. 5 megabytes
surfaceView = (SurfaceView) findViewById(R.id.surfaceview);
// Set the surfaceView so it appears on top, not behind the view
surfaceView.setZOrderOnTop(true);
// Set the surfaceView background colour to magenta
surfaceView.setBackgroundColor(Color.MAGENTA);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.addCallback(this);
cameraPreview.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
if(previewing == false)
{
camera = Camera.open();
if (camera != null)
{
try
{
camera.setPreviewDisplay(surfaceHolder);
Log.i("1", "SetPreviewDisplay() OK");
camera.startPreview();
//------------//
camera.unlock();
//----------------------------//
mediaRecorder.setCamera(camera);
//-----------------------------------------------------------//
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
Log.i("2", "Set sources OK");
//--------------------------------------//
mediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH));
//-----------------------------------//
if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED) == true)
{
fileUri = getOutputMediaFileUri(MEDIA_TYPE_VIDEO);
String dest = fileUri.toString();
mediaRecorder.setOutputFile(dest);
}
Log.i("3", "setOutPutFile() OK");
//-------------------------//
try
{
//--------------------//
mediaRecorder.prepare();
Log.i("4", "prepare() OK");
//------------------//
mediaRecorder.start();
Log.i("5", "start() OK");
}
catch (Exception e)
{
e.printStackTrace();
}
previewing = true;
cameraPreview.setBackgroundColor(Color.RED);
cameraPreview.setText("Stop");
Log.i("6", "setBackground(RED) and setText(Stop) OK");
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
else if(camera != null && (previewing == true))
{
//-------------------------//
try
{
//-----------------//
mediaRecorder.stop();
Log.i("7", "mediaRecorder stop() OK");
}
catch (Exception e)
{
e.printStackTrace();
}
//---------------------//
mediaRecorder.release();
Log.i("8", "mediaRecorder release() OK");
camera.stopPreview();
camera.release();
camera = null;
Log.i("9", "camera stopPreview(), release() and set to null, OK");
previewing = false;
cameraPreview.setBackgroundColor(Color.GREEN);
cameraPreview.setText("Record");
Log.i("10", "setBackground(RED) and setText(Record), OK");
}
}
});
}
/**
* Creating file uri to store image/video
*/
public Uri getOutputMediaFileUri(int type)
{
return Uri.fromFile(getOutputMediaFile(type));
}
/**
* returning image / video
*/
private static File getOutputMediaFile(int type)
{
// External sd card location
File mediaStorageDir = new File(
Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),
IMAGE_DIRECTORY_NAME);
// Create the storage directory if it does not exist
if (!mediaStorageDir.exists())
{
if (!mediaStorageDir.mkdirs())
{
Log.d(IMAGE_DIRECTORY_NAME, "Oops! Failed create "
+ IMAGE_DIRECTORY_NAME + " directory");
return null;
}
}
// Create a media file name
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss",
Locale.getDefault()).format(new Date());
File mediaFile;
mediaFile = new File(mediaStorageDir.getPath() + File.separator
+ "VID_" + timeStamp + ".mp4");
return mediaFile;
}
/* For the surface view */
SurfaceHolder surfaceHolder;
SurfaceView surfaceView;
/* For saving the video to the device */
MediaRecorder mediaRecorder = null;
// directory name to store captured images and videos
private static final String IMAGE_DIRECTORY_NAME = "LapMaster";
private Uri fileUri; // file url to store image/video
// Activity request code
public static final int MEDIA_TYPE_VIDEO = 2;
/* For both */
Button cameraPreview;
Camera camera;
boolean previewing = false;
/*
* Called when the page is loaded
*/
@Override
protected void onCreate(Bundle savedInstanceState)
{
cameraPreview = (Button) findViewById(R.id.cameraPreview);
cameraPreview.setBackgroundColor(Color.GREEN);
cameraPreview.setText("Record Video");
//-------------------------------//
mediaRecorder = new MediaRecorder();
//-----------------------------------------------------------//
mediaRecorder.setMaxDuration(180000); // 180 seconds
mediaRecorder.setMaxFileSize(5000000); // approx. 5 megabytes
surfaceView = (SurfaceView) findViewById(R.id.surfaceview);
// Set the surfaceView so it appears on top, not behind the view
surfaceView.setZOrderOnTop(true);
// Set the surfaceView background colour to magenta
surfaceView.setBackgroundColor(Color.MAGENTA);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.addCallback(this);
cameraPreview.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
if(previewing == false)
{
camera = Camera.open();
if (camera != null)
{
try
{
camera.setPreviewDisplay(surfaceHolder);
Log.i("1", "SetPreviewDisplay() OK");
camera.startPreview();
//------------//
camera.unlock();
//----------------------------//
mediaRecorder.setCamera(camera);
//-----------------------------------------------------------//
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
Log.i("2", "Set sources OK");
//--------------------------------------//
mediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH));
//-----------------------------------//
if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED) == true)
{
fileUri = getOutputMediaFileUri(MEDIA_TYPE_VIDEO);
String dest = fileUri.toString();
mediaRecorder.setOutputFile(dest);
}
Log.i("3", "setOutPutFile() OK");
//-------------------------//
try
{
//--------------------//
mediaRecorder.prepare();
Log.i("4", "prepare() OK");
//------------------//
mediaRecorder.start();
Log.i("5", "start() OK");
}
catch (Exception e)
{
e.printStackTrace();
}
previewing = true;
cameraPreview.setBackgroundColor(Color.RED);
cameraPreview.setText("Stop");
Log.i("6", "setBackground(RED) and setText(Stop) OK");
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
else if(camera != null && (previewing == true))
{
//-------------------------//
try
{
//-----------------//
mediaRecorder.stop();
Log.i("7", "mediaRecorder stop() OK");
}
catch (Exception e)
{
e.printStackTrace();
}
//---------------------//
mediaRecorder.release();
Log.i("8", "mediaRecorder release() OK");
camera.stopPreview();
camera.release();
camera = null;
Log.i("9", "camera stopPreview(), release() and set to null, OK");
previewing = false;
cameraPreview.setBackgroundColor(Color.GREEN);
cameraPreview.setText("Record");
Log.i("10", "setBackground(RED) and setText(Record), OK");
}
}
});
}
/**
* Creating file uri to store image/video
*/
public Uri getOutputMediaFileUri(int type)
{
return Uri.fromFile(getOutputMediaFile(type));
}
/**
* returning image / video
*/
private static File getOutputMediaFile(int type)
{
// External sd card location
File mediaStorageDir = new File(
Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),
IMAGE_DIRECTORY_NAME);
// Create the storage directory if it does not exist
if (!mediaStorageDir.exists())
{
if (!mediaStorageDir.mkdirs())
{
Log.d(IMAGE_DIRECTORY_NAME, "Oops! Failed create "
+ IMAGE_DIRECTORY_NAME + " directory");
return null;
}
}
// Create a media file name
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss",
Locale.getDefault()).format(new Date());
File mediaFile;
mediaFile = new File(mediaStorageDir.getPath() + File.separator
+ "VID_" + timeStamp + ".mp4");
return mediaFile;
}
- 是否将文件保存到SD
- 未正确锁定/关闭/调零摄像头
08-23 12:08:29.835:D/libc（28017）：[NET]getaddrinfo+，hn 19（0x636c6956e7473），sn（），族0，标志4
08-23 12:08:29.835:D/libc（28017）：[NET]getaddrinfo-，err=8
08-23 12:08:29.835:D/libc（28017）：[NET]getaddrinfo+，hn 19（0x636c69656e7473），sn（），族0，标志1024
2008-23 12:08:29.835:D/libc（28017）：[NET]getaddrinfo-，1
08-23 12:08:29.835:D/libc（28017）：[NET]getaddrinfo_代理+
08-23 12:08:29.835:D/libc（28017）：[NET]getaddrinfo_proxy-，成功
08-23 12:08:29.855:D/libc（28017）：[NET]getaddrinfo+，hn 15（0x6373692e677374），sn（），族0，标志4
08-23 12:08:29.855:D/libc（28017）：[NET]getaddrinfo-，err=8
08-23 12:08:29.855:D/libc（28017）：[NET]getaddrinfo+，hn 15（0x6373692e677374），sn（），族0，标志1024
2008-23 12:08:29.855:D/libc（28017）：[NET]getaddrinfo-，1
08-23 12:08:29.855:D/libc（28017）：[NET]getaddrinfo_代理+
2008-23 12:08:30.105:D/libc（28017）：[NET]getaddrinfo_proxy-，成功
08-23 12:08:32.157:W/TextToSpeech（28017）：讲话失败：未绑定到TTS引擎
08-23 12:08:34.439:I/1（28017）：设置预览显示（）正常
08-23 12:08:34.840:I/2（28017）：设置震源正常
08-23 12:08:34.880:I/3（28017）：setOutPutFile（）正常
08-23 12:08:34.880:W/System.err（28017）：java.io.FileNotFoundException:/file:/storage/emulated/0/Pictures/LapMaster/VID_20140823\u 120834.mp4:open失败：enoint（没有这样的文件或目录）
08-23 12:08:34.880:W/System.err（28017）：位于libcore.io.IoBridge.open（IoBridge.java:409）
08-23 12:08:34.880:W/System.err（28017）：位于java.io.FileOutputStream。（FileOutputStream.java:88）
08-23 12:08:34.880:W/System.err（28017）：位于java.io.FileOutputStream。（FileOutputStream.java:128）
08-23 12:08:34.880:W/System.err（28017）：位于java.io.FileOutputStream。（FileOutputStream.java:117）
08-23 12:08:34.880:W/System.err（28017）：在android.media.MediaRecorder.prepare（MediaRecorder.java:852）上
08-23 12:08:34.880:W/System.err（28017）：在net.learn2develop.lapmaster.TopGearLocationTracker$2.onClick（TopGearLocationTracker.java:263）
08-23 12:08:34.880:W/System.err（28017）：在android.view.view.performClick（view.java:4480）上
08-23 12:08:34.880:W/System.err（28017）：在android.view.view$PerformClick.run（view.java:18686）
08-23 12:08:34.880:W/System.err（28017）：位于android.os.Handler.handleCallback（Handler.java:733）
08-23 12:08:34.880:W/System.err（28017）：位于android.os.Handler.dispatchMessage（Handler.java:95）
08-23 12:08:34.880:W/System.err（28017）：在android.os.Looper.loop（Looper.java:157）上
08-23 12:08:34.880:W/System.err（28017）：位于android.app.ActivityThread.main（ActivityThread.java:5872）
08-23 12:08:34.880:W/System.err（28017）：位于java.lang.reflect.Method.invokenactive（本机方法）
08-23 12:08:34.880:W/System.err（28017）：位于java.lang.reflect.Method.invoke（Method.java:515）
08-23 12:08:34.880:W/System.err（28017）：在com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run（ZygoteInit.java:858）
08-23 12:08:34.880:W/System.err（28017）：位于com.android.internal.os.ZygoteInit.main（ZygoteInit.java:674）
08-23 12:08:34.880:W/System.err（28017）：在dalvik.System.NativeStart.main（本机方法）
08-23 12:08:34.880:W/System.err（28017）：原因：libcore.io.ErrnoException:open失败：enoint（没有这样的文件或目录）
08-23 12:08:34.880:W/System.err（28017）：位于libcore.io.Posix.open（本机方法）
08-23 12:08:34.880:W/System.err（28017）：位于libcore.io.BlockGuardOs.open（BlockGuardOs.java:110）
08-23 12:08:34.880:W/System.err（28017）：位于libcore.io.IoBridge.open（IoBridge.java:393）
08-23 12:08:34.880:W/系统错误（28017）：。。。还有16个
08-23 12:08:34.880:I/6（28017）：后退（红色）和设置文本（停止）正常
08-23 12:08:34.880:I/编舞（28017）：跳过71帧！应用程序可能在其主线程上做了太多工作。
08-23 12:08:41.667:E/MediaRecorder（28017）：在无效状态下调用停止：4
08-23 12:08:41.667:W/System.err（28017）：java.lang.IllegalStateException
08-23 12:08:41.667:W/System.err（28017）：在android.media.MediaRecorder.stop（本机方法）上
08-23 12:08:41.667:W/System.err（28017）：在net.learn2develop.lapmaster.TopGearLocationTracker$2.onClick（TopGearLocationTracker.java:291）
08-23 12:08:41.667:W/System.err（28017）：在android.view.view.performClick（view.java:4480）上
08-23 12:08:41.667:W/System.err（28017）：在android.view.view$PerformClick.run（view.java:18686）
08-23 12:08:41.667:W/System.err（28017）：位于android.os.Handler.handleCallback（Handler.java:733）
08-23 12:08:41.667:W/System.err（28017）：在android.os.Handler.dispatchMessage（Handler.ja）上