Example usage for android.view SurfaceHolder addCallback

Introduction

In this page you can find the example usage for android.view SurfaceHolder addCallback.

Prototype

public void addCallback(Callback callback);

Source Link

Document

Add a Callback interface for this holder.

Usage

From source file:org.digitalcampus.oppia.utils.mediaplayer.VideoPlayerActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_video_player);
    prefs = PreferenceManager.getDefaultSharedPreferences(this);
    videoSurface = (SurfaceView) findViewById(R.id.videoSurface);
    SurfaceHolder videoHolder = videoSurface.getHolder();
    videoHolder.addCallback(this);

    player = new MediaPlayer();
    controller = new VideoControllerView(this);

    Bundle bundle = this.getIntent().getExtras();
    if (bundle != null) {
        mediaFileName = (String) bundle.getSerializable(MEDIA_TAG);
        activity = (Activity) bundle.getSerializable(Activity.TAG);
        course = (Course) bundle.getSerializable(Course.TAG);
    } else {/*from  w  w  w .  ja v  a 2  s .  co m*/
        this.finish();
    }

    try {
        player.setAudioStreamType(AudioManager.STREAM_MUSIC);
        player.setDataSource(this, Uri.parse(FileUtils.getMediaPath(this) + mediaFileName));
        player.setOnPreparedListener(this);
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
    } catch (SecurityException e) {
        e.printStackTrace();
    } catch (IllegalStateException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:org.artoolkit.ar.samples.nftSimple.CameraSurface.java

@SuppressWarnings("deprecation")
public CameraSurface(Context context) {
    super(context);
    Log.i(TAG, "CameraSurface(): ctor called");
    Activity activityRef = (Activity) context;

    try {//from  w  w  w.j a v a  2s.com
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            if (PackageManager.PERMISSION_GRANTED != ContextCompat.checkSelfPermission(activityRef,
                    Manifest.permission.CAMERA)) {
                mustAskPermissionFirst = true;
                if (activityRef.shouldShowRequestPermissionRationale(Manifest.permission.CAMERA)) {
                    // Will drop in here if user denied permissions access camera before.
                    // Or no uses-permission CAMERA element is in the
                    // manifest file. Must explain to the end user why the app wants
                    // permissions to the camera devices.
                    Toast.makeText(activityRef.getApplicationContext(),
                            "App requires access to camera to be granted", Toast.LENGTH_SHORT).show();
                }
                // Request permission from the user to access the camera.
                Log.i(TAG, "CameraSurface(): must ask user for camera access permission");
                activityRef.requestPermissions(new String[] { Manifest.permission.CAMERA },
                        nftSimpleActivity.REQUEST_CAMERA_PERMISSION_RESULT);
                return;
            }
        }
    } catch (Exception ex) {
        Log.e(TAG, "CameraSurface(): exception caught, " + ex.getMessage());
        return;
    }

    SurfaceHolder holder = getHolder();
    holder.addCallback(this);
    holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); // Deprecated in API level 11. Still required for API levels <= 10.
}

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From source file:org.artoolkit.ar.utils.calib_optical.CameraSurface.java

@SuppressWarnings("deprecation")
public CameraSurface(Context context) {
    super(context);

    Log.i(TAG, "CameraSurface(): ctor called");
    Activity activityRef = (Activity) context;

    try {//from   ww  w. j  a v a2s  .  c om
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            if (PackageManager.PERMISSION_GRANTED != ContextCompat.checkSelfPermission(activityRef,
                    Manifest.permission.CAMERA)) {
                mustAskPermissionFirst = true;
                if (activityRef.shouldShowRequestPermissionRationale(Manifest.permission.CAMERA)) {
                    // Will drop in here if user denied permissions access camera before.
                    // Or no uses-permission CAMERA element is in the
                    // manifest file. Must explain to the end user why the app wants
                    // permissions to the camera devices.
                    Toast.makeText(activityRef.getApplicationContext(),
                            "App requires access to camera to be granted", Toast.LENGTH_SHORT).show();
                }
                // Request permission from the user to access the camera.
                Log.i(TAG, "CameraSurface(): must ask user for camera access permission");
                activityRef.requestPermissions(new String[] { Manifest.permission.CAMERA },
                        calib_optical_Activity.REQUEST_CAMERA_PERMISSION_RESULT);
                return;
            }
        }
    } catch (Exception ex) {
        Log.e(TAG, "CameraSurface(): exception caught, " + ex.getMessage());
        return;
    }

    SurfaceHolder holder = getHolder();
    holder.addCallback(this);
    holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); // Deprecated in API level 11. Still required for API levels <= 10.
}

---

From source file:com.msohm.blackberry.samples.bdvideoplayback.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    //Initialize BlackBerry Dynamics.
    GDAndroid.getInstance().activityInit(this);
    setContentView(R.layout.activity_main);

    copyButton = (Button) findViewById(R.id.copyButton);

    //The copy button is used to copy an existing video file you have into the secure
    //BlackBerry Dynamics file system.  This only needs to be run once.
    copyButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {

            //Ensure we have permission to read the file being copied.
            int permissionCheck = ContextCompat.checkSelfPermission(v.getContext(),
                    Manifest.permission.READ_EXTERNAL_STORAGE);

            if (permissionCheck != PackageManager.PERMISSION_GRANTED) {
                //Permission isn't set.  Request it.
                ActivityCompat.requestPermissions(MainActivity.this,
                        new String[] { Manifest.permission.READ_EXTERNAL_STORAGE },
                        MY_PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE);
            } else {
                copyFile();/*w  ww .ja  v a2  s  .  c o m*/
            }
        }
    });

    playButton = (Button) findViewById(R.id.playButton);

    //Initializes the MediaPlayer.
    playButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            try {
                if (!isPaused) {
                    BDMediaDataSource source = new BDMediaDataSource(FILENAME);
                    mp.setDataSource(source);
                    mp.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
                        @Override
                        public void onPrepared(MediaPlayer mp) {
                            mp.start();
                        }
                    });
                    mp.prepareAsync();
                } else {
                    mp.start();
                }
                isPaused = false;
            } catch (IOException ioex) {
            }

        }
    });

    SurfaceView surfaceView = (SurfaceView) findViewById(R.id.surfaceView);
    SurfaceHolder holder = surfaceView.getHolder();
    holder.addCallback(this);
    mp = new MediaPlayer();
    isPaused = false;
}

---

From source file:com.kupay.decoder.DecoderActivity.java

public void startCamera() {

    //(SurfaceView) getView().findViewById(R.id.preview_view);
    RelativeLayout rl = (RelativeLayout) getView().findViewById(R.id.fitCamera);
    surfaceView = new SurfaceView(getActivity());
    SurfaceHolder surfaceHolder = surfaceView.getHolder();

    Log.v("app", "Cargando camara");
    surfaceHolder.addCallback(this);
    surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);

    if (rl != null && surfaceView != null)
        rl.addView(surfaceView);/*w w  w. j  a  v  a2 s.c  o m*/

}

---

From source file:org.artoolkit.ar.base.camera.CaptureCameraPreview.java

/**
 * Constructor takes a {@link CameraEventListener} which will be called on
 * to handle camera related events.//w  w w. j ava2 s. c om
 *
 * @param cel CameraEventListener to use. Can be null.
 */
@SuppressWarnings("deprecation")
public CaptureCameraPreview(Activity activity, CameraEventListener cel) {
    super(activity);

    Log.i(TAG, "CaptureCameraPreview(): ctor called");
    try {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            if (PackageManager.PERMISSION_GRANTED != ContextCompat.checkSelfPermission(activity,
                    Manifest.permission.CAMERA)) {
                mustAskPermissionFirst = true;
                if (activity.shouldShowRequestPermissionRationale(Manifest.permission.CAMERA)) {
                    // Will drop in here if user denied permissions access camera before.
                    // Or no uses-permission CAMERA element is in the
                    // manifest file. Must explain to the end user why the app wants
                    // permissions to the camera devices.
                    Toast.makeText(activity.getApplicationContext(),
                            "App requires access to camera to be granted", Toast.LENGTH_SHORT).show();
                }
                // Request permission from the user to access the camera.
                Log.i(TAG, "CaptureCameraPreview(): must ask user for camera access permission");
                activity.requestPermissions(new String[] { Manifest.permission.CAMERA },
                        REQUEST_CAMERA_PERMISSION_RESULT);
                return;
            }
        }
    } catch (Exception ex) {
        Log.e(TAG, "CaptureCameraPreview(): exception caught, " + ex.getMessage());
        return;
    }

    SurfaceHolder holder = getHolder();
    holder.addCallback(this);
    holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); // Deprecated in API level 11. Still required for API levels <= 10.

    setCameraEventListener(cel);
}

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From source file:com.TwentyCodes.android.IOIOTruck.CameraFragment.java

/**
 * (non-Javadoc)//from   w  w w  . ja v a 2s.c  om
 * @see android.support.v4.app.Fragment#onViewCreated(android.view.View, android.os.Bundle)
 * @author ricky barrette
 */
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.camera_fragment, container, false);

    /*
     * setup augmented preview overlay
     */
    FrameLayout fl = (FrameLayout) view.findViewById(R.id.camera_frame);
    mPreviewOverlay = new PreviewOverlay(this.getActivity());
    fl.addView(mPreviewOverlay);

    /*
     * setup camera preview      
     */
    mPreview = (SurfaceView) view.findViewById(R.id.cameraSurface);
    SurfaceHolder cameraHolder = mPreview.getHolder();
    cameraHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
    cameraHolder.addCallback(new SurfaceHolder.Callback() {
        public void surfaceCreated(SurfaceHolder holder) {
            try {
                mCamera.setPreviewDisplay(holder);
                mCamera.startPreview();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        public void surfaceDestroyed(SurfaceHolder holder) {
        }

        public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
        }
    });

    return view;
}

---

From source file:com.abhi.barcode.fragment.BarCodeFragment.java

@Override
public void onResume() {
    super.onResume();
    if (runCamera && hasSurface) {
        startCameraCampure();/*  www. ja  v  a2 s . co  m*/
    } else if (runCamera) {
        SurfaceView surfaceView = (SurfaceView) getView().findViewById(R.id.cameraView);
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        surfaceHolder.addCallback(BarCodeFragment.this);
        surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
    }
}

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From source file:com.abhi.barcode.fragment.BarCodeFragment.java

public void startCameraCampure() {
    cameraManager = new CameraManager(getActivity().getApplicationContext());
    viewfinderView.setCameraManager(cameraManager);
    handler = null;/*from  w w  w  .j  av  a 2  s  .c o  m*/
    resetStatusView();
    runCamera = true;
    SurfaceView surfaceView = (SurfaceView) getView().findViewById(R.id.cameraView);
    SurfaceHolder surfaceHolder = surfaceView.getHolder();
    hasSurface = true;
    if (hasSurface) {
        initCamera(surfaceHolder, viewfinderView);
    } else {
        surfaceHolder.addCallback(BarCodeFragment.this);
        surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
    }
    decodeFormats = null;
    characterSet = null;
    cameraActive = true;
}

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From source file:com.jwetherell.QRComm575.DecoderActivity.java

@Override
protected void onResume() {
    super.onResume();
    Log.v(TAG, "onResume()");

    // CameraManager must be initialized here, not in onCreate().
    if (cameraManager == null)
        cameraManager = new CameraManager(getApplication());

    if (viewfinderView == null) {

        viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
        viewfinderView.setCameraManager(cameraManager);
    }//from  ww w.ja va  2s.  c o m

    showScanner();

    SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
    SurfaceHolder surfaceHolder = surfaceView.getHolder();
    if (hasSurface) {
        // The activity was paused but not stopped, so the surface still
        // exists. Therefore
        // surfaceCreated() won't be called, so init the camera here.

        initCamera(surfaceHolder);
    } else {
        // Install the callback and wait for surfaceCreated() to init the
        // camera.
        surfaceHolder.addCallback(this);
        surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
    }
}

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