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:com.jwetherell.quick_response_code.DecoderActivity.java

@Override
protected void onResume() {
    super.onResume();

    // CameraManager must be initialized here, not in onCreate().
    if (cameraManager == null) {
        cameraManager = new CameraManager(getApplication());
    }// w  w w. ja  va2  s  . c  om

    if (viewfinderView == null) {
        viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
        viewfinderView.setCameraManager(cameraManager);
    }

    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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From source file:com.google.zxing.demo.CaptureActivity.java

@Override
protected void onResume() {
    super.onResume();
    // CameraManager must be initialized here, not in onCreate(). This is necessary because we don't
    // want to open the camera driver and measure the screen size if we're going to show the help on
    // first launch. That led to bugs where the scanning rectangle was the wrong size and partially
    // off screen.
    cameraManager = new CameraManager(getApplication());

    viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
    viewfinderView.setCameraManager(cameraManager);
    handler = null;// ww  w.j a  v  a  2  s  .c o m
    lastResult = null;
    resetStatusView();

    beepManager.updatePrefs();
    // ambientLightManager.start(cameraManager);

    inactivityTimer.onResume();

    sourceUrl = null;
    // scanFromWebPageManager = null;
    decodeFormats = null;
    characterSet = null;

    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);
    }
}

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From source file:com.orange.essentials.otb.ui.OtbTermsFragment.java

@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
        @Nullable Bundle savedInstanceState) {
    mView = inflater.inflate(R.layout.otb_terms, container, false);
    LinearLayout llayout = (LinearLayout) mView.findViewById(R.id.otb_terms_layout);
    TextView headerTv = (TextView) llayout.findViewById(R.id.otb_header_tv_text);
    headerTv.setText(R.string.otb_home_terms_content);
    List<Term> terms = TrustBadgeManager.INSTANCE.getTerms();

    for (Term term : terms) {
        View layoutToAdd = null;//from   w w w .  java  2s  .  com
        if (term.getTermType() == TermType.VIDEO
                && Build.VERSION.SDK_INT > Build.VERSION_CODES.GINGERBREAD_MR1) {
            layoutToAdd = View.inflate(getActivity(), R.layout.otb_terms_video, null);
            TextView titleTv = (TextView) layoutToAdd.findViewById(R.id.otb_term_video_title);
            final AutoResizingFrameLayout anchorView = (AutoResizingFrameLayout) layoutToAdd
                    .findViewById(R.id.videoSurfaceContainer);
            if (mVideoViews == null) {
                mVideoViews = new ArrayList<>();
            }
            mVideoViews.add(anchorView);
            SurfaceView videoSurface = (SurfaceView) layoutToAdd.findViewById(R.id.videoSurface);

            titleTv.setText(term.getTitleId());

            SurfaceHolder videoHolder = videoSurface.getHolder();
            MediaPlayer player = new MediaPlayer();
            if (mPlayers == null) {
                mPlayers = new ArrayList<>();
            }
            mPlayers.add(player);
            final VideoControllerView controller = new VideoControllerView(getContext());
            VideoCallback videoCallback = new VideoCallback(player, controller, anchorView);
            videoHolder.addCallback(videoCallback);
            anchorView.setOnTouchListener(new View.OnTouchListener() {
                @Override
                public boolean onTouch(View v, MotionEvent event) {
                    controller.show();
                    return false;
                }
            });
            try {
                player.setAudioStreamType(AudioManager.STREAM_MUSIC);
                player.setDataSource(getContext(), Uri.parse(getString(term.getContentId())));
                player.setOnPreparedListener(videoCallback);
            } catch (IllegalArgumentException e) {
                e.printStackTrace();
            } catch (SecurityException e) {
                e.printStackTrace();
            } catch (IllegalStateException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
        } else if (term.getTermType() == TermType.TEXT) {//TermType.TEXT
            layoutToAdd = View.inflate(getActivity(), R.layout.otb_terms_text, null);
            TextView titleTv = (TextView) layoutToAdd.findViewById(R.id.otb_term_text_title);
            TextView contentTv = (TextView) layoutToAdd.findViewById(R.id.otb_term_text_content);
            titleTv.setText(term.getTitleId());
            contentTv.setText(Html.fromHtml(getString(term.getContentId())));
            contentTv.setMovementMethod(LinkMovementMethod.getInstance());
            contentTv.setLinkTextColor(getResources().getColor(R.color.colorAccent));
        }
        if (null != layoutToAdd) {
            llayout.addView(layoutToAdd);
        }
        if (terms.indexOf(term) != terms.size() - 1) {
            View.inflate(getActivity(), R.layout.otb_separator, llayout);
        }
    }

    return mView;
}

---

From source file:com.agiro.scanner.android.CaptureActivity.java

@Override
protected void onResume() {
    super.onResume();
    resetStatusView();/*from   w  ww  .  ja  v  a 2  s  .  co m*/
    Log.d(TAG, "onResume");

    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);
    }
}

---

From source file:com.nekomeshi312.whiteboardcorrection.CameraViewFragment.java

@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    if (MyDebug.DEBUG)
        Log.d(LOG_TAG, "onViewCreated");

    super.onViewCreated(view, savedInstanceState);
    mTextViewLineDetectErrorMsg = (TextView) mParentActivity.findViewById(R.id.line_detection_error_msg);
    mCameraSurfaceView = (CameraSurfaceView) mParentActivity.findViewById(R.id.camera_surface_view);
    SurfaceHolder holder = mCameraSurfaceView.getHolder();
    holder.addCallback(this);
    if (Build.VERSION.SDK_INT < 11) {
        holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
    }//from w  w w. ja v  a2s.  c  om
    mCameraSurfaceView.setCameraPreview(this);
    mWhiteBoardView = (WhiteBoardAreaView) mParentActivity.findViewById(R.id.whiteboard_area_view);
    mWhiteBoardView.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            // TODO Auto-generated method stub
            if (mBaseWidth == -1) {
                if (mCameraSetting.isCameraOpen()) {
                    fitChildSize2CamSize();
                }
            }
        }
    });
}

---

From source file:com.abhi.barcode.frag.libv2.BarcodeFragment.java

@SuppressWarnings("deprecation")
@Override/*w w  w  . java  2s  . c om*/
public void onResume() {
    super.onResume();

    // CameraManager must be initialized here, not in onCreate(). This is
    // necessary because we don't
    // want to open the camera driver and measure the screen size if we're
    // going to show the help on
    // first launch. That led to bugs where the scanning rectangle was the
    // wrong size and partially
    // off screen.
    cameraManager = new CameraManager(this.getActivity(), getView());
    viewfinderView.setCameraManager(cameraManager);

    handler = null;

    resetStatusView();

    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);
    }

    ambientLightManager.start(cameraManager);
    inactivityTimer.onResume();
    characterSet = null;
}

---

From source file:com.welcu.android.zxingfragmentlib.BarCodeScannerFragment.java

/**
 * Initializes the camera and viewfinderView.
 *///w  ww.  j  a  v  a  2s.  co  m
public void startScan() {
    if (cameraManager != null) {
        Log.e(TAG, "startScan: scan already started.");
        return;
    }

    // CameraManager must be initialized here, not in onCreate(). This is necessary because we don't
    // want to open the camera driver and measure the screen size if we're going to show the help on
    // first launch. That led to bugs where the scanning rectangle was the wrong size and partially
    // off screen.
    cameraManager = new CameraManager(this.getActivity().getApplication(), getView());

    viewfinderView = (ViewfinderView) getView().findViewById(R.id.viewfinder_view);
    viewfinderView.setCameraManager(cameraManager);

    handler = null;
    lastResult = null;

    SurfaceView surfaceView = (SurfaceView) getView().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);
    }

    if (customFramingRect != null) {
        cameraManager.setManualFramingRect(customFramingRect);
    }

    beepManager.updatePrefs();
    ambientLightManager.start(cameraManager);

    inactivityTimer.onResume();

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this.getActivity());

    decodeFormats = null;
    characterSet = null;
}

---

From source file:co.jlabs.cersei_retailer.zxingfragmentlib.BarCodeScannerFragment.java

public void startScan() {
    if (cameraManager != null) {
        Log.e(TAG, "Camera startScan: scan already started.");
        return;//from   w w w .j  ava  2 s  .  c  om
    }
    // CameraManager must be initialized here, not in onCreate(). This is necessary because we don't
    // want to open the camera driver and measure the screen size if we're going to show the help on
    // first launch. That led to bugs where the scanning rectangle was the wrong size and partially
    // off screen.
    cameraManager = new CameraManager(this.getActivity().getApplication(), getView());

    viewfinderView = (ViewfinderView) getView().findViewById(R.id.viewfinder_view);
    viewfinderView.setCameraManager(cameraManager);

    handler = null;
    lastResult = null;

    SurfaceView surfaceView = (SurfaceView) getView().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);
    }

    if (customFramingRect != null) {
        cameraManager.setManualFramingRect(customFramingRect);
    }

    beepManager.updatePrefs();
    ambientLightManager.start(cameraManager);

    Log.e(TAG, "Camera:5");
    inactivityTimer.onResume();

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this.getActivity());

    decodeFormats = null;
    characterSet = null;
}

---

From source file:com.github.barcodeeye.scan.CaptureActivity.java

@Override
protected void onResume() {
    super.onResume();

    // CameraManager must be initialized here, not in onCreate(). This is necessary because we don't
    // want to open the camera driver and measure the screen size if we're going to show the help on
    // first launch. That led to bugs where the scanning rectangle was the wrong size and partially
    // off screen.
    mCameraManager = new CameraManager(getApplication());
    mViewfinderView.setCameraManager(mCameraManager);

    mHandler = null;/*from ww  w  . ja  v a 2s  .  c o  m*/

    SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
    SurfaceHolder surfaceHolder = surfaceView.getHolder();
    if (mHasSurface) {
        // 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);
    }

    mBeepManager.updatePrefs();
    mAmbientLightManager.start(mCameraManager);

    mInactivityTimer.onResume();
}

---

From source file:piuk.blockchain.android.ui.zxing.CaptureActivity.java

@Override
protected void onResume() {
    super.onResume();

    // CameraManager must be initialized here, not in onCreate(). This is necessary because we don't
    // want to open the camera driver and measure the screen size if we're going to show the help on
    // first launch. That led to bugs where the scanning rectangle was the wrong size and partially
    // off screen.
    cameraManager = new CameraManager(getApplication());

    viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
    viewfinderView.setCameraManager(cameraManager);

    handler = null;/*from w  ww.ja v  a  2 s  .c om*/
    resetStatusView();

    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);
    }

    inactivityTimer.onResume();

    Intent intent = getIntent();

    source = IntentSource.NONE;
    decodeFormats = null;
    characterSet = null;

    if (intent != null) {

        String action = intent.getAction();

        if (Intents.Scan.ACTION.equals(action)) {

            // Scan the formats the intent requested, and return the result to the calling activity.
            source = IntentSource.NATIVE_APP_INTENT;
            decodeFormats = DecodeFormatManager.parseDecodeFormats(intent);
            decodeHints = DecodeHintManager.parseDecodeHints(intent);

            if (intent.hasExtra(Intents.Scan.WIDTH) && intent.hasExtra(Intents.Scan.HEIGHT)) {
                int width = intent.getIntExtra(Intents.Scan.WIDTH, 0);
                int height = intent.getIntExtra(Intents.Scan.HEIGHT, 0);
                if (width > 0 && height > 0) {
                    cameraManager.setManualFramingRect(width, height);
                }
            }
        }

        characterSet = intent.getStringExtra(Intents.Scan.CHARACTER_SET);

    }
}

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