How can I record a Video in my Android App

Question

How can I capture a video recording on Android

User · Answer

You record audio and video using the same MediaRecorder class  It s pretty simple  Here s an example

User · Answer

Check out this Sample Camera Preview code  CameraPreview  This would help you in devloping video recording code for video preview  create MediaRecorder object  and set video recording parameters

User · Answer

Here is another example which is working  public class EnregistrementVideoStackActivity extends Activity implements SurfaceHolder Callback       private SurfaceHolder surfaceHolder      private SurfaceView surfaceView      public MediaRecorder mrec   new MediaRecorder        private Button startRecording   null       File video      private Camera mCamera        Override     public void onCreate Bundle savedInstanceState            super onCreate savedInstanceState           setContentView R layout camera surface           Log i null    Video starting            startRecording    Button findViewById R id buttonstart           mCamera   Camera open            surfaceView    SurfaceView  findViewById R id surface camera           surfaceHolder   surfaceView getHolder            surfaceHolder addCallback this           surfaceHolder setType SurfaceHolder SURFACE TYPE PUSH BUFFERS               Override     public boolean onCreateOptionsMenu Menu menu                menu add 0  0  0   StartRecording            menu add 0  1  0   StopRecording            return super onCreateOptionsMenu menu               Override     public boolean onOptionsItemSelected MenuItem item                switch  item getItemId                      case 0              try                   startRecording                  catch  Exception e                    String message   e getMessage                    Log i null   Problem Start  message                   mrec release                              break           case 1    GoToAllNotes             mrec stop                mrec release                mrec   null              break           default              break                    return super onOptionsItemSelected item              protected void startRecording   throws IOException                mrec   new MediaRecorder        Works well         mCamera unlock             mrec setCamera mCamera            mrec setPreviewDisplay surfaceHolder getSurface             mrec setVideoSource MediaRecorder VideoSource CAMERA           mrec setAudioSource MediaRecorder AudioSource MIC             mrec setProfile CamcorderProfile get CamcorderProfile QUALITY HIGH            mrec setPreviewDisplay surfaceHolder getSurface             mrec setOutputFile   sdcard zzzz 3gp              mrec prepare            mrec start               protected void stopRecording             mrec stop            mrec release            mCamera release               private void releaseMediaRecorder            if  mrec    null                mrec reset         clear recorder configuration             mrec release       release the recorder object             mrec   null              mCamera lock                 lock camera for later use                      private void releaseCamera            if  mCamera    null               mCamera release              release the camera for other applications             mCamera   null                        Override     public void surfaceChanged SurfaceHolder holder  int format  int width              int height                Override     public void surfaceCreated SurfaceHolder holder            if  mCamera    null               Parameters params   mCamera getParameters                mCamera setParameters params                     else               Toast makeText getApplicationContext     Camera not available    Toast LENGTH LONG  show                finish                          Override     public void surfaceDestroyed SurfaceHolder holder            mCamera stopPreview            mCamera release              camera surface xml   lt  xml version  1 0  encoding  UTF-8   gt   lt RelativeLayout xmlns android  http   schemas android com apk res android  android layout width  match parent  android layout height  match parent  android orientation  vertical   gt    lt SurfaceView     android id    id surface camera      android layout width  match parent      android layout height  match parent      android layout weight  1    gt    lt Button     android id    id buttonstart      android layout width  wrap content      android layout height  wrap content      android background   drawable record start    gt    lt  RelativeLayout gt    And of course include these permission in manifest    lt uses-permission android name  android permission RECORD AUDIO    gt   lt uses-permission android name  android permission CAMERA    gt   lt uses-permission android name  android permission WRITE EXTERNAL STORAGE    gt

User · Answer

Instead of writing code from the sketch  you can use a library on GitHub  For instance  https   github com CameraKit camerakit-android  or https   github com google cameraview  or https   github com hujiaweibujidao CameraView and so on   Then you only need to   private CameraKitView cameraKitView    Override protected void onCreate Bundle savedInstanceState        super onCreate savedInstanceState       setContentView R layout activity main       cameraKitView   findViewById R id camera       Override protected void onStart         super onStart        cameraKitView onStart        Override protected void onResume         super onResume        cameraKitView onResume        Override protected void onPause         cameraKitView onPause        super onPause        Override protected void onStop         cameraKitView onStop        super onStop        Override public void onRequestPermissionsResult int requestCode  String   permissions  int   grantResults        super onRequestPermissionsResult requestCode  permissions  grantResults       cameraKitView onRequestPermissionsResult requestCode  permissions  grantResults

User · Answer

Here is a simple video recording example using the MediaRecorder   public class VideoCapture extends Activity implements OnClickListener  SurfaceHolder Callback       MediaRecorder recorder      SurfaceHolder holder      boolean recording   false       Override     public void onCreate Bundle savedInstanceState            super onCreate savedInstanceState           requestWindowFeature Window FEATURE NO TITLE           getWindow   setFlags WindowManager LayoutParams FLAG FULLSCREEN                  WindowManager LayoutParams FLAG FULLSCREEN           setRequestedOrientation ActivityInfo SCREEN ORIENTATION LANDSCAPE            recorder   new MediaRecorder            initRecorder            setContentView R layout main            SurfaceView cameraView    SurfaceView  findViewById R id CameraView           holder   cameraView getHolder            holder addCallback this           holder setType SurfaceHolder SURFACE TYPE PUSH BUFFERS            cameraView setClickable true           cameraView setOnClickListener this              private void initRecorder             recorder setAudioSource MediaRecorder AudioSource DEFAULT           recorder setVideoSource MediaRecorder VideoSource DEFAULT            CamcorderProfile cpHigh   CamcorderProfile                  get CamcorderProfile QUALITY HIGH           recorder setProfile cpHigh           recorder setOutputFile   sdcard videocapture example mp4            recorder setMaxDuration 50000      50 seconds         recorder setMaxFileSize 5000000      Approximately 5 megabytes            private void prepareRecorder             recorder setPreviewDisplay holder getSurface              try               recorder prepare              catch  IllegalStateException e                e printStackTrace                finish              catch  IOException e                e printStackTrace                finish                         public void onClick View v            if  recording                recorder stop                recording   false                  Let s initRecorder so we can record again             initRecorder                prepareRecorder              else               recording   true              recorder start                         public void surfaceCreated SurfaceHolder holder            prepareRecorder               public void surfaceChanged SurfaceHolder holder  int format  int width              int height               public void surfaceDestroyed SurfaceHolder holder            if  recording                recorder stop                recording   false                    recorder release            finish              It s from my book   Pro Android Media  Developing Graphics  Music  Video  and Rich Media Apps for Smartphones and Tablets  Also  do not forget to include these permissions in manifest    lt uses-permission android name  android permission RECORD AUDIO    gt   lt uses-permission android name  android permission CAMERA    gt   lt uses-permission android name  android permission WRITE EXTERNAL STORAGE    gt

User · Answer

For the benefit of searchers  this example will give you an active preview  with a start stop button for recording  It was modified from this android blog and seems fairly reliable   java class  VideoWithSurfaceVw   package  lt  lt your packagename here gt  gt    import java io IOException  import java text SimpleDateFormat  import java util Date   import android app Activity  import android content Context  import android hardware Camera  import android media CamcorderProfile  import android media MediaRecorder  import android os Bundle  import android view SurfaceHolder  import android view SurfaceView  import android view View  import android widget Button  import android widget FrameLayout  import android widget Toast   public class VideoWithSurfaceVw extends Activity          Adapted from http   sandyandroidtutorials blogspot co uk 2013 05 android-video-capture-tutorial html       private Camera myCamera      private MyCameraSurfaceView myCameraSurfaceView      private MediaRecorder mediaRecorder       Button myButton      SurfaceHolder surfaceHolder      boolean recording           Called when the activity is first created          Override     public void onCreate Bundle savedInstanceState            super onCreate savedInstanceState            recording   false           setContentView R layout activity video with surface vw              Get Camera for preview         myCamera   getCameraInstance            if myCamera    null               Toast makeText VideoWithSurfaceVw this                       Fail to get Camera                       Toast LENGTH LONG  show                       myCameraSurfaceView   new MyCameraSurfaceView this  myCamera           FrameLayout myCameraPreview    FrameLayout findViewById R id videoview           myCameraPreview addView myCameraSurfaceView            myButton    Button findViewById R id mybutton           myButton setOnClickListener myButtonOnClickListener              Button OnClickListener myButtonOnClickListener               new Button OnClickListener              Override         public void onClick View v                   TODO Auto-generated method stub              try                  if recording                          stop recording and release camera                     mediaRecorder stop        stop the recording                     releaseMediaRecorder       release the MediaRecorder object                        Exit after saved                       finish                        myButton setText  REC                        recording   false                   else                         Release Camera before MediaRecorder start                     releaseCamera                         if  prepareMediaRecorder                             Toast makeText VideoWithSurfaceVw this                                   Fail in prepareMediaRecorder    n - Ended -                                   Toast LENGTH LONG  show                            finish                                               mediaRecorder start                        recording   true                      myButton setText  STOP                                   catch  Exception ex                   ex printStackTrace                                   private Camera getCameraInstance               TODO Auto-generated method stub         Camera c   null          try               c   Camera open       attempt to get a Camera instance                   catch  Exception e                  Camera is not available  in use or does not exist                    return c     returns null if camera is unavailable            private String getFileName CustomFormat             SimpleDateFormat sdfDate   new SimpleDateFormat  yyyy-MM-dd HH mm ss            Date now   new Date            String strDate   sdfDate format now           return strDate              private boolean prepareMediaRecorder            myCamera   getCameraInstance            mediaRecorder   new MediaRecorder             myCamera unlock            mediaRecorder setCamera myCamera            mediaRecorder setAudioSource MediaRecorder AudioSource CAMCORDER           mediaRecorder setVideoSource MediaRecorder VideoSource CAMERA            mediaRecorder setProfile CamcorderProfile get CamcorderProfile QUALITY HIGH               mediaRecorder setOutputFile   sdcard     getFileName CustomFormat       mp4              mediaRecorder setOutputFile   sdcard myvideo1 mp4            mediaRecorder setMaxDuration 60000      Set max duration 60 sec          mediaRecorder setMaxFileSize 50000000      Set max file size 50M          mediaRecorder setPreviewDisplay myCameraSurfaceView getHolder   getSurface              try               mediaRecorder prepare              catch  IllegalStateException e                releaseMediaRecorder                return false            catch  IOException e                releaseMediaRecorder                return false                    return true               Override     protected void onPause             super onPause            releaseMediaRecorder             if you are using MediaRecorder  release it first         releaseCamera                    release the camera immediately on pause event            private void releaseMediaRecorder            if  mediaRecorder    null                mediaRecorder reset         clear recorder configuration             mediaRecorder release       release the recorder object             mediaRecorder   new MediaRecorder                myCamera lock                 lock camera for later use                      private void releaseCamera            if  myCamera    null               myCamera release              release the camera for other applications             myCamera   null                       public class MyCameraSurfaceView extends SurfaceView implements SurfaceHolder Callback           private SurfaceHolder mHolder          private Camera mCamera           public MyCameraSurfaceView Context context  Camera camera                super context               mCamera   camera                  Install a SurfaceHolder Callback so we get notified when the                underlying surface is created and destroyed              mHolder   getHolder                mHolder addCallback this                  deprecated setting  but required on Android versions prior to 3 0             mHolder setType SurfaceHolder SURFACE TYPE PUSH BUFFERS                       Override         public void surfaceChanged SurfaceHolder holder  int format  int weight                                     int height                   If your preview can change or rotate  take care of those events here                 Make sure to stop the preview before resizing or reformatting it               if  mHolder getSurface      null                      preview surface does not exist                 return                                stop preview before making changes             try                   mCamera stopPreview                  catch  Exception e                      ignore  tried to stop a non-existent preview                               make any resize  rotate or reformatting changes here                 start preview with new settings             try                   mCamera setPreviewDisplay mHolder                   mCamera startPreview                   catch  Exception e                                     Override         public void surfaceCreated SurfaceHolder holder                   TODO Auto-generated method stub                The Surface has been created  now tell the camera where to draw the preview              try                   mCamera setPreviewDisplay holder                   mCamera startPreview                  catch  IOException e                                      Override         public void surfaceDestroyed SurfaceHolder holder                   TODO Auto-generated method stub                      activity  activity video with surface vw    lt RelativeLayout android id    id surface camera       xmlns android  http   schemas android com apk res android  android layout width  fill parent  android layout height  fill parent  android layout centerInParent  true  android layout weight  1   gt    lt RelativeLayout     android orientation  vertical      android layout width  fill parent      android layout height  fill parent       gt       lt FrameLayout         android id    id videoview          android layout width  fill parent          android layout height  fill parent   gt       lt Button         android id    id mybutton          android layout width  100dp          android layout height  50dp          android layout centerHorizontal  true          android layout alignParentBottom  true          android text  REC          android textSize  12dp   gt   lt  RelativeLayout gt    lt  RelativeLayout gt

User · Answer

As of December 2017  there have been some updates  e g  the usage of android hardware Camera is deprecated now  While the newer android hardware camera2 comes with handy things like a CameraManager   I personally like this example a lot  which makes use of this current API and works like a charm  https   github com googlesamples android-Camera2Video  It also includes asking the user for the required permissions at start and features video preview before starting the video recording    In addition  I find the code really beautiful  and this is very rare for me      but that s just my subjective opinion

User · Answer

The above example will work if you are using rear camera  If you are using front camera  you will have to adjust some things   First off  you will need to add new permission in the manifest    lt uses-feature android name  android hardware camera front  android required  false    gt   In your initRecorder method  instead of   CamcorderProfile cpHigh   CamcorderProfile                  get CamcorderProfile QUALITY HIGH   recorder setProfile cpHigh     You need to use   CamcorderProfile profile   CamcorderProfile get Camera CameraInfo CAMERA FACING FRONT  CamcorderProfile QUALITY LOW   recorder setProfile profile     because CamcorderProfile QUALITY HIGH is reserved for the rear camera   You will also have to set the video size for mediarecorder as it is in your surface view   Here is the full example of recording video from front camera with a small preview display   Android manifest   lt uses-permission android name  android permission WRITE EXTERNAL STORAGE    gt   lt uses-permission android name  android permission READ EXTERNAL STORAGE    gt   lt uses-permission android name  android permission RECORD AUDIO    gt   lt uses-permission android name  android permission CAMERA    gt   lt uses-feature android name  android hardware camera  android required  false    gt   lt uses-feature android name  android hardware camera front  android required  false    gt    activity camera xml   lt  xml version  1 0  encoding  utf-8   gt   lt RelativeLayout 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      tools context  CameraActivity  gt        lt SurfaceView         android layout width  200dp          android layout height  wrap content          android id    id surfaceView   gt        lt Button         android layout width  100dp          android layout height  100dp          android text  REC          android id    id btnRecord          android layout alignParentBottom  true          android layout marginBottom  25dp    gt   lt  RelativeLayout gt    CameraActivity java  public class SongVideoActivity extends BaseActivity implements SurfaceHolder Callback        private int mCameraContainerWidth   0      private SurfaceView mSurfaceView   null      private SurfaceHolder mSurfaceHolder   null       private Camera mCamera   null      private boolean mIsRecording   false       private int mPreviewHeight      private int mPreviewWidth       MediaRecorder mRecorder        Override     protected void onCreate Bundle savedInstanceState            super onCreate savedInstanceState           setContentView R layout activity song video            Thread setDefaultUncaughtExceptionHandler new Thread UncaughtExceptionHandler                  Override             public void uncaughtException Thread thread  Throwable ex                    releaseMediaRecorder                    releaseCamera                                       mCamera   getCamera               camera preview         mSurfaceView    SurfaceView  findViewById R id surfaceView           mSurfaceHolder   mSurfaceView getHolder            mSurfaceHolder addCallback this              deprecated setting  but required on Android versions prior to 3 0         mSurfaceHolder setType SurfaceHolder SURFACE TYPE PUSH BUFFERS            mCameraContainerWidth   mSurfaceView getLayoutParams   width           findViewById R id btnRecord  setOnClickListener new View OnClickListener                  Override             public void onClick View v                    if  mIsRecording                        stopRecording                      else                          initialize video camera                     if  prepareVideoRecorder                                  Camera is available and unlocked  MediaRecorder is prepared                             now you can start recording                         mRecorder start                                inform the user that recording has started                         Toast makeText getApplicationContext     Started recording   Toast LENGTH SHORT  show                            mIsRecording   true                        else                              prepare didn t work  release the camera                         releaseMediaRecorder                               inform user                                                                              private void stopRecording             mRecorder stop        stop the recording         releaseMediaRecorder       release the MediaRecorder object         mCamera lock               take camera access back from MediaRecorder             inform the user that recording has stopped         Toast makeText this   Recording complete   Toast LENGTH SHORT  show            mIsRecording   false              Override     protected void onDestroy             super onDestroy            releaseMediaRecorder             if you are using MediaRecorder  release it first         releaseCamera                    release the camera immediately on pause event            private Camera getCamera              Camera CameraInfo cameraInfo   new Camera CameraInfo            for  int camIdx   0  camIdx  lt  Camera getNumberOfCameras    camIdx                  Camera getCameraInfo camIdx  cameraInfo               if  cameraInfo facing    Camera CameraInfo CAMERA FACING FRONT                    try                       return mCamera   Camera open camIdx                     catch  RuntimeException e                        Log e  cameras    Camera failed to open      e getLocalizedMessage                                                       return null              Override     protected void onPause             super onPause            releaseMediaRecorder             if you are using MediaRecorder  release it first         releaseCamera                    release the camera immediately on pause event            private Camera Size getBestPreviewSize Camera Parameters parameters            Camera Size result null           for  Camera Size size   parameters getSupportedPreviewSizes                  if size width  lt  size height  continue    we are only interested in landscape variants              if  result    null                    result   size                            else                   int resultArea   result width result height                  int newArea   size width size height                   if  newArea  gt  resultArea                        result   size                                                     return result              private boolean prepareVideoRecorder            mRecorder   new MediaRecorder                Step 1  Unlock and set camera to MediaRecorder         mCamera unlock            mRecorder setCamera mCamera               Step 2  Set sources         mRecorder setAudioSource MediaRecorder AudioSource DEFAULT           mRecorder setVideoSource MediaRecorder VideoSource DEFAULT             recorder setOutputFormat MediaRecorder OutputFormat THREE GPP               Step 3  Set a CamcorderProfile  requires API Level 8 or higher             Customise your profile based on a pre-existing profile         CamcorderProfile profile   CamcorderProfile get Camera CameraInfo CAMERA FACING FRONT  CamcorderProfile QUALITY LOW           mRecorder setProfile profile               Step 4  Set output file         mRecorder setOutputFile new File getFilesDir     movie-    UUID randomUUID   toString    getAbsolutePath               recorder setMaxDuration 50000      50 seconds           recorder setMaxFileSize 500000000      Approximately 500 megabytes          mRecorder setVideoSize mPreviewWidth  mPreviewHeight               Step 5  Set the preview output         mRecorder setPreviewDisplay mSurfaceHolder getSurface                 Step 6  Prepare configured MediaRecorder         try               mRecorder prepare              catch  IllegalStateException e                Toast makeText getApplicationContext     exception      e getMessage    Toast LENGTH LONG  show                releaseMediaRecorder                return false            catch  IOException e                Toast makeText getApplicationContext     exception      e getMessage    Toast LENGTH LONG  show                releaseMediaRecorder                return false                    return true             private void releaseMediaRecorder            if  mRecorder    null                mRecorder reset         clear recorder configuration             mRecorder release       release the recorder object             mRecorder   null              mCamera lock                 lock camera for later use                      private void releaseCamera            if  mCamera    null               mCamera release              release the camera for other applications             mCamera   null                        Override     public void surfaceCreated SurfaceHolder holder               The Surface has been created  now tell the camera where to draw the preview              Camera Parameters parameters   mCamera getParameters                parameters setRecordingHint true               Camera Size size   getBestPreviewSize parameters           mCamera setParameters parameters                  resize the view to the specified surface view width in layout             int newHeight   size height    size width   mCameraContainerWidth               mSurfaceView getLayoutParams   height   newHeight              Override     public void surfaceChanged SurfaceHolder holder  int format  int width  int height            mPreviewHeight   mCamera getParameters   getPreviewSize   height          mPreviewWidth   mCamera getParameters   getPreviewSize   width           mCamera stopPreview            try               mCamera setPreviewDisplay mSurfaceHolder             catch  IOException e                e printStackTrace                      mCamera startPreview                Override     public void surfaceDestroyed SurfaceHolder holder            if  mIsRecording                stopRecording                       releaseMediaRecorder            releaseCamera

User · Answer

As a side note - there seems to be a bug in the Android API or faulty documentation or maybe I am just plain stupid  The google docs clearly states the following      Note  Starting with Android 4 0  API level 14   the Camera lock   and   Camera unlock   calls are managed for you automatically    See  http   developer android com guide topics media camera html  This does not seem to be the case   After batteling for literaly days without any success and many little problems like  failed to start  kinda errors I decided to manually implement the locking and BAM  everything worked fine   Im using the genymotion emulator for a 4 1 1 device with a min sdk of 14

User · Answer

This demo will helpful for you      video xml   lt LinearLayout xmlns android  http   schemas android com apk res android  android layout width  fill parent  android layout height  fill parent  android orientation  vertical   gt    lt ToggleButton     android id    id toggleRecordingButton      android layout width  fill parent      android layout height  wrap content      android layout alignParentTop  true    gt    lt SurfaceView     xmlns android  http   schemas android com apk res android      android id    id surface camera      android layout width  fill parent      android layout height  fill parent      android layout centerInParent  true      android layout weight  1   gt   lt  SurfaceView gt      Your Main Activity  Video java   public class Video extends Activity implements OnClickListener      SurfaceHolder Callback    private static final String TAG    CAMERA TUTORIAL    private SurfaceView mSurfaceView  private SurfaceHolder mHolder  private Camera mCamera  private boolean previewRunning  private MediaRecorder mMediaRecorder  private final int maxDurationInMs   20000  private final long maxFileSizeInBytes   500000  private final int videoFramesPerSecond   20  Button btn record  boolean mInitSuccesful   false  File file  ToggleButton mToggleButton    Override public void onCreate Bundle savedInstanceState        super onCreate savedInstanceState       setContentView R layout video        setRequestedOrientation ActivityInfo SCREEN ORIENTATION LANDSCAPE        mSurfaceView    SurfaceView  findViewById R id surface camera       mHolder   mSurfaceView getHolder        mHolder addCallback this       mHolder setType SurfaceHolder SURFACE TYPE PUSH BUFFERS        mToggleButton    ToggleButton  findViewById R id toggleRecordingButton       mToggleButton setOnClickListener new OnClickListener              Override            toggle video recording         public void onClick View v                if    ToggleButton  v  isChecked                    mMediaRecorder start                else                   mMediaRecorder stop                    mMediaRecorder reset                    try                       initRecorder mHolder getSurface                       catch  IOException e                        e printStackTrace                                                         private void initRecorder Surface surface  throws IOException          It is very important to unlock the camera before doing setCamera        or it will results in a black preview     if  mCamera    null                 mCamera   Camera open            mCamera unlock               if  mMediaRecorder    null          mMediaRecorder   new MediaRecorder         mMediaRecorder setPreviewDisplay surface       mMediaRecorder setCamera mCamera        mMediaRecorder setVideoSource MediaRecorder VideoSource CAMERA        mMediaRecorder setAudioSource MediaRecorder AudioSource DEFAULT        mMediaRecorder setOutputFormat MediaRecorder OutputFormat DEFAULT        mMediaRecorder setOutputFile this initFile   getAbsolutePath             No limit  Don t forget to check the space on disk      mMediaRecorder setMaxDuration 50000       mMediaRecorder setVideoFrameRate 24       mMediaRecorder setVideoSize 1280  720       mMediaRecorder setVideoEncodingBitRate 3000000       mMediaRecorder setAudioEncodingBitRate 8000        mMediaRecorder setVideoEncoder MediaRecorder VideoEncoder DEFAULT       mMediaRecorder setAudioEncoder MediaRecorder AudioEncoder AMR NB        try           mMediaRecorder prepare          catch  IllegalStateException e               This is thrown if the previous calls are not called with the            proper order         e printStackTrace               mInitSuccesful   true     private File initFile            File dir   new        File Environment getExternalStoragePublicDirectory Environment DIRECTORY MOVIES          this     File dir   new File Environment getExternalStorageDirectory    this              getClass   getPackage   getName           if   dir exists    amp  amp   dir mkdirs              Log wtf TAG                   Failed to create storage directory                              dir getAbsolutePath             Toast makeText Video this   not record   Toast LENGTH SHORT           file   null        else           file   new File dir getAbsolutePath    new SimpleDateFormat                    IMG  yyyyMMddHHmmss  mp4    format new Date                return file      Override public void surfaceCreated SurfaceHolder holder        try           if   mInitSuccesful              initRecorder mHolder getSurface           catch  IOException e               TODO Auto-generated catch block         e printStackTrace             private void shutdown            Release MediaRecorder and especially the Camera as it s a shared        object that can be used by other applications     mMediaRecorder reset        mMediaRecorder release        mCamera release            once the objects have been released they can t be reused     mMediaRecorder   null      mCamera   null      Override public void surfaceDestroyed SurfaceHolder holder        shutdown        Override public void surfaceChanged SurfaceHolder holder  int format  int width          int height           TODO Auto-generated method stub      Override public void onClick View v           TODO Auto-generated method stub         MediaMetadataRetriever Class  public class MediaMetadataRetriever     static           System loadLibrary  media jni            native init                  The field below is accessed by native methods      SuppressWarnings  unused       private int mNativeContext       public MediaMetadataRetriever             native setup                          Call this method before setDataSource   so that the mode becomes        effective for subsequent operations  This method can be called only once        at the beginning if the intended mode of operation for a        MediaMetadataRetriever object remains the same for its whole lifetime         and thus it is unnecessary to call this method each time setDataSource          is called  If this is not never called  which is allowed   by default the        intended mode of operation is to both capture frame and retrieve meta        data  i e   MODE GET METADATA ONLY   MODE CAPTURE FRAME ONLY          Often  this may not be what one wants  since doing this has negative        performance impact on execution time of a call to setDataSource    since        both types of operations may be time consuming                  param mode The intended mode of operation  Can be any combination of         MODE GET METADATA ONLY and MODE CAPTURE FRAME ONLY         1  MODE GET METADATA ONLY  amp  MODE CAPTURE FRAME ONLY             For neither frame capture nor meta data retrieval        2  MODE GET METADATA ONLY  For meta data retrieval only        3  MODE CAPTURE FRAME ONLY  For frame capture only        4  MODE GET METADATA ONLY   MODE CAPTURE FRAME ONLY             For both frame capture and meta data retrieval             public native void setMode int mode                    return the current mode of operation  A negative return value indicates        some runtime error has occurred              public native int getMode                    Sets the data source  file pathname  to use  Call this        method before the rest of the methods in this class  This method may be        time-consuming                  param path The path of the input media file          throws IllegalArgumentException If the path is invalid              public native void setDataSource String path  throws IllegalArgumentException                  Sets the data source  FileDescriptor  to use   It is the caller s        responsibility to close the file descriptor  It is safe to do so as soon        as this call returns  Call this method before the rest of the methods in        this class  This method may be time-consuming                  param fd the FileDescriptor for the file you want to play         param offset the offset into the file where the data to be played starts         in bytes  It must be non-negative         param length the length in bytes of the data to be played  It must be        non-negative          throws IllegalArgumentException if the arguments are invalid             public native void setDataSource FileDescriptor fd  long offset  long length              throws IllegalArgumentException                  Sets the data source  FileDescriptor  to use  It is the caller s        responsibility to close the file descriptor  It is safe to do so as soon        as this call returns  Call this method before the rest of the methods in        this class  This method may be time-consuming                  param fd the FileDescriptor for the file you want to play         throws IllegalArgumentException if the FileDescriptor is invalid             public void setDataSource FileDescriptor fd              throws IllegalArgumentException              intentionally less than LONG MAX         setDataSource fd  0  0x7ffffffffffffffL                         Sets the data source as a content Uri  Call this method before         the rest of the methods in this class  This method may be time-consuming                  param context the Context to use when resolving the Uri         param uri the Content URI of the data you want to play         throws IllegalArgumentException if the Uri is invalid         throws SecurityException if the Uri cannot be used due to lack of        permission              public void setDataSource Context context  Uri uri          throws IllegalArgumentException  SecurityException           if  uri    null                throw new IllegalArgumentException                       String scheme   uri getScheme            if scheme    null    scheme equals  file                  setDataSource uri getPath                 return                     AssetFileDescriptor fd   null          try               ContentResolver resolver   context getContentResolver                try                   fd   resolver openAssetFileDescriptor uri   r                  catch FileNotFoundException e                    throw new IllegalArgumentException                              if  fd    null                    throw new IllegalArgumentException                              FileDescriptor descriptor   fd getFileDescriptor                if   descriptor valid                      throw new IllegalArgumentException                                 Note  using getDeclaredLength so that our behavior is the same                as previous versions when the content provider is returning                a full file              if  fd getDeclaredLength    lt  0                    setDataSource descriptor                 else                   setDataSource descriptor  fd getStartOffset    fd getDeclaredLength                               return            catch  SecurityException ex              finally               try                   if  fd    null                        fd close                                    catch IOException ioEx                                    setDataSource uri toString                           Call this method after setDataSource    This method retrieves the         meta data value associated with the keyCode                 The keyCode currently supported is listed below as METADATA XXX        constants  With any other value  it returns a null pointer                  param keyCode One of the constants listed below at the end of the class          return The meta data value associate with the given keyCode on success          null on failure              public native String extractMetadata int keyCode                   Call this method after setDataSource    This method finds a        representative frame if successful and returns it as a bitmap  This is        useful for generating a thumbnail for an input media source                  return A Bitmap containing a representative video frame  which                 can be null  if such a frame cannot be retrieved              public native Bitmap captureFrame                    Call this method after setDataSource    This method finds the optional        graphic or album art associated  embedded or external url linked  the         related data source                  return null if no such graphic is found              public native byte   extractAlbumArt                    Call it when one is done with the object  This method releases the memory        allocated internally              public native void release        private native void native setup        private static native void native init         private native final void native finalize          Override     protected void finalize   throws Throwable           try               native finalize              finally               super finalize                         public static final int MODE GET METADATA ONLY    0x01      public static final int MODE CAPTURE FRAME ONLY   0x02                 Do not change these values without updating their counterparts        in include media mediametadataretriever h              public static final int METADATA KEY CD TRACK NUMBER   0      public static final int METADATA KEY ALBUM             1      public static final int METADATA KEY ARTIST            2      public static final int METADATA KEY AUTHOR            3      public static final int METADATA KEY COMPOSER          4      public static final int METADATA KEY DATE              5      public static final int METADATA KEY GENRE             6      public static final int METADATA KEY TITLE             7      public static final int METADATA KEY YEAR              8      public static final int METADATA KEY DURATION          9      public static final int METADATA KEY NUM TRACKS        10      public static final int METADATA KEY IS DRM CRIPPLED   11      public static final int METADATA KEY CODEC             12      public static final int METADATA KEY RATING            13      public static final int METADATA KEY COMMENT           14      public static final int METADATA KEY COPYRIGHT         15      public static final int METADATA KEY BIT RATE          16      public static final int METADATA KEY FRAME RATE        17      public static final int METADATA KEY VIDEO FORMAT      18      public static final int METADATA KEY VIDEO HEIGHT      19      public static final int METADATA KEY VIDEO WIDTH       20      public static final int METADATA KEY WRITER            21         Add more here

[android] How can I record a Video in my Android App.?

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