Example usage for android.view SurfaceView getHolder

Introduction

In this page you can find the example usage for android.view SurfaceView getHolder.

Prototype

public SurfaceHolder getHolder() 

Source Link

Document

Return the SurfaceHolder providing access and control over this SurfaceView's underlying surface.

Usage

From source file:net.oschina.app.v2.activity.zxing.CaptureActivity.java

@Override
protected void onResume() {
    super.onResume();
    // historyManager must be initialized here to update the history preference
    // historyManager = new HistoryManager(this);
    // historyManager.trimHistory();

    // 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);

    resultView = findViewById(R.id.result_view);
    statusView = (TextView) findViewById(R.id.status_view);

    handler = null;/*from  ww  w  .  j a v  a  2  s  .  c  o m*/
    lastResult = null;

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);

    if (prefs.getBoolean(PreferencesActivity.KEY_DISABLE_AUTO_ORIENTATION, true)) {
        //setRequestedOrientation(getCurrentOrientation());
    } else {
        //setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE);
    }

    resetStatusView();

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

    inactivityTimer.onResume();

    Intent intent = getIntent();

    copyToClipboard = prefs.getBoolean(PreferencesActivity.KEY_COPY_TO_CLIPBOARD, true)
            && (intent == null || intent.getBooleanExtra(Intents.Scan.SAVE_HISTORY, true));

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

    if (intent != null) {
        String action = intent.getAction();
        String dataString = intent.getDataString();

        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);
                }
            }

            if (intent.hasExtra(Intents.Scan.CAMERA_ID)) {
                int cameraId = intent.getIntExtra(Intents.Scan.CAMERA_ID, -1);
                if (cameraId >= 0) {
                    cameraManager.setManualCameraId(cameraId);
                }
            }

            String customPromptMessage = intent.getStringExtra(Intents.Scan.PROMPT_MESSAGE);
            if (customPromptMessage != null) {
                statusView.setText(customPromptMessage);
            }

        } else if (dataString != null && dataString.contains("http://www.google")
                && dataString.contains("/m/products/scan")) {

            // Scan only products and send the result to mobile Product Search.
            source = IntentSource.PRODUCT_SEARCH_LINK;
            sourceUrl = dataString;
            decodeFormats = DecodeFormatManager.PRODUCT_FORMATS;

        } else if (isZXingURL(dataString)) {

            // Scan formats requested in query string (all formats if none specified).
            // If a return URL is specified, send the results there. Otherwise, handle it ourselves.
            source = IntentSource.ZXING_LINK;
            sourceUrl = dataString;
            Uri inputUri = Uri.parse(dataString);
            scanFromWebPageManager = new ScanFromWebPageManager(inputUri);
            decodeFormats = DecodeFormatManager.parseDecodeFormats(inputUri);
            // Allow a sub-set of the hints to be specified by the caller.
            decodeHints = DecodeHintManager.parseDecodeHints(inputUri);

        }

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

    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);
    }
}

---

From source file:com.c77.androidstreamingclient.lib.RtpMediaDecoder.java

/**
 * @param surfaceView surface where to play video streaming
 * @param properties  used to configure the debugging variable
 *///from  w  w w  .j  a va  2 s  .c om
public RtpMediaDecoder(SurfaceView surfaceView, Properties properties) {
    configuration = (properties != null) ? properties : new Properties();

    // Read configuration
    DEBUGGING = Boolean.parseBoolean(properties.getProperty(DEBUGGING_PROPERTY, "false"));
    bufferType = properties.getProperty(CONFIG_BUFFER_TYPE, bufferType);
    useNio = Boolean.parseBoolean(configuration.getProperty(CONFIG_USE_NIO, Boolean.toString(useNio)));
    receiveBufferSize = Integer.parseInt(
            configuration.getProperty(CONFIG_RECEIVE_BUFFER_SIZE, Integer.toString(receiveBufferSize)));

    log.info("RtpMediaDecoder started with params (" + DEBUGGING + "," + bufferType + "," + useNio + ","
            + receiveBufferSize + ")");

    this.surfaceView = surfaceView;
    surfaceView.getHolder().addCallback(this);
}

---

From source file:com.honglang.zxing.CaptureActivity.java

private void resetCamera() {
    //      resetStatusView();
    handler = null;/*from   www.ja  v a2s  . co  m*/
    lastResult = null;

    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(CaptureActivity.this);
    }

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

    inactivityTimer.onResume();
}

---

From source file:com.c77.androidstreamingclient.lib.rtp.RtpMediaDecoder.java

/**
 * Creates an RTP decoder/*  www  .ja  v a 2s .  c o  m*/
 *
 * @param surfaceView view where to play video streaming
 * @param properties  used to configure the debugging variable
 *
 * The configuration properties includes:
 *  DEBUGGING: boolean indicating if information should be sent to logcat.
 *  USE_NIO: boolean indicating how to change the underlying I/O mechanism used by Netty.
 *      'false' will force the usage of NioDatagramChannelFactory vs. the default (true) which
 *      uses OioDatagramChannelFactory
 *  RECEIVE_BUFFER_SIZE_BYTES: number of bytes to configure underlying RTP session.
 *  BUFFER_TYPE: Has to be one of: 'time-window' or 'min-delay' in order to choose between existing
 *      buffering approaches.
 *  NODELAY_TIMEOUT: Maximum delay in milliseconds for the min-delay buffer.
 *  FRAMES_WINDOW_TIME=1000: Window size in milliseconds for the time-window buffer
 *
 */
public RtpMediaDecoder(SurfaceView surfaceView, Properties properties) {
    configuration = (properties != null) ? properties : new Properties();

    // Read configuration
    DEBUGGING = Boolean.parseBoolean(configuration.getProperty(DEBUGGING_PROPERTY, "false"));
    bufferType = configuration.getProperty(CONFIG_BUFFER_TYPE, bufferType);
    useNio = Boolean.parseBoolean(configuration.getProperty(CONFIG_USE_NIO, Boolean.toString(useNio)));
    receiveBufferSize = Integer.parseInt(
            configuration.getProperty(CONFIG_RECEIVE_BUFFER_SIZE, Integer.toString(receiveBufferSize)));

    log.info("RtpMediaDecoder started with params (" + DEBUGGING + "," + bufferType + "," + useNio + ","
            + receiveBufferSize + ")");

    this.surfaceView = surfaceView;
    surfaceView.getHolder().addCallback(this);
}

---

From source file:com.honglang.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);

    // resultView = findViewById(R.id.result_view);
    statusView = (TextView) findViewById(R.id.status_view);

    handler = null;//from w  w w .  j av a  2  s.c om
    lastResult = null;

    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);
    }

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

    inactivityTimer.onResume();

    Intent intent = getIntent();

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
    copyToClipboard = prefs.getBoolean(PreferencesActivity.KEY_COPY_TO_CLIPBOARD, true)
            && (intent == null || intent.getBooleanExtra(Intents.Scan.SAVE_HISTORY, true));

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

    if (intent != null) {

        String action = intent.getAction();
        String dataString = intent.getDataString();

        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);
                }
            }

            String customPromptMessage = intent.getStringExtra(Intents.Scan.PROMPT_MESSAGE);
            if (customPromptMessage != null) {
                statusView.setText(customPromptMessage);
            }

        } else if (dataString != null && dataString.contains("http://www.google")
                && dataString.contains("/m/products/scan")) {

            // Scan only products and send the result to mobile Product
            // Search.
            source = IntentSource.PRODUCT_SEARCH_LINK;
            sourceUrl = dataString;
            decodeFormats = DecodeFormatManager.PRODUCT_FORMATS;

        } else if (isZXingURL(dataString)) {

            // Scan formats requested in query string (all formats if none
            // specified).
            // If a return URL is specified, send the results there.
            // Otherwise, handle it ourselves.
            source = IntentSource.ZXING_LINK;
            sourceUrl = dataString;
            Uri inputUri = Uri.parse(dataString);
            // scanFromWebPageManager = new
            // ScanFromWebPageManager(inputUri);
            decodeFormats = DecodeFormatManager.parseDecodeFormats(inputUri);
            // Allow a sub-set of the hints to be specified by the caller.
            decodeHints = DecodeHintManager.parseDecodeHints(inputUri);

        }

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

    }
}

---

From source file:com.xgf.inspection.qrcode.google.zxing.client.CaptureActivity.java

@Override
protected void onPause() {
    if (handler != null) {
        handler.quitSynchronously();//from   w  ww. j  a  v a  2 s.c  o  m
        handler = null;
    }
    inactivityTimer.onPause();
    cameraManager.closeDriver();
    if (!hasSurface) {
        SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        surfaceHolder.removeCallback(this);
    }
    super.onPause();
}

---

From source file:com.xgf.inspection.qrcode.google.zxing.client.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);

    resultView = findViewById(R.id.result_view);
    statusView = (TextView) findViewById(R.id.status_view);

    handler = null;/*w w  w  .j  a v a  2  s.  c o m*/
    lastResult = null;

    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);
        surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
    }

    beepManager.updatePrefs();

    inactivityTimer.onResume();

    Intent intent = getIntent();

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
    copyToClipboard = prefs.getBoolean(PreferencesActivity.KEY_COPY_TO_CLIPBOARD, true)
            && (intent == null || intent.getBooleanExtra(Intents.Scan.SAVE_HISTORY, true));

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

    if (intent != null) {

        String action = intent.getAction();
        String dataString = intent.getDataString();

        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);

            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);
                }
            }

            String customPromptMessage = intent.getStringExtra(Intents.Scan.PROMPT_MESSAGE);
            if (customPromptMessage != null) {
                statusView.setText(customPromptMessage);
            }

        } else if (dataString != null && dataString.contains(PRODUCT_SEARCH_URL_PREFIX)
                && dataString.contains(PRODUCT_SEARCH_URL_SUFFIX)) {

            // Scan only products and send the result to mobile Product
            // Search.
            source = IntentSource.PRODUCT_SEARCH_LINK;
            sourceUrl = dataString;
            decodeFormats = DecodeFormatManager.PRODUCT_FORMATS;

        } else if (isZXingURL(dataString)) {

            // Scan formats requested in query string (all formats if none
            // specified).
            // If a return URL is specified, send the results there.
            // Otherwise, handle it ourselves.
            source = IntentSource.ZXING_LINK;
            sourceUrl = dataString;
            Uri inputUri = Uri.parse(sourceUrl);
            returnUrlTemplate = inputUri.getQueryParameter(RETURN_URL_PARAM);
            returnRaw = inputUri.getQueryParameter(RAW_PARAM) != null;
            decodeFormats = DecodeFormatManager.parseDecodeFormats(inputUri);

        }

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

    }
}

---

From source file:com.android.tv.ui.TunableTvView.java

/**
 * Sets fixed size for the internal {@link android.view.Surface} of
 * {@link android.media.tv.TvView}. If either {@code width} or {@code height} is non positive,
 * the {@link android.view.Surface}'s size will be matched to the layout.
 *
 * Note: Once {@link android.view.SurfaceHolder#setFixedSize} is called,
 * {@link android.view.SurfaceView} and its underlying window can be misaligned, when the size
 * of {@link android.view.SurfaceView} is changed without changing either left position or top
 * position. For detail, please refer the codes of android.view.SurfaceView.updateWindow().
 *//* ww w. j ava2s.co m*/
public void setFixedSurfaceSize(int width, int height) {
    mFixedSurfaceWidth = width;
    mFixedSurfaceHeight = height;
    if (mFixedSurfaceWidth > 0 && mFixedSurfaceHeight > 0) {
        // When the input is changed, TvView recreates its SurfaceView internally.
        // So we need to call SurfaceHolder.setFixedSize for the new SurfaceView.
        SurfaceView surfaceView = (SurfaceView) mTvView.getChildAt(0);
        surfaceView.getHolder().setFixedSize(mFixedSurfaceWidth, mFixedSurfaceHeight);
    } else {
        SurfaceView surfaceView = (SurfaceView) mTvView.getChildAt(0);
        surfaceView.getHolder().setSizeFromLayout();
    }
}

---

From source file:com.edible.ocr.CaptureActivity.java

@Override
protected void onPause() {
    if (handler != null) {
        handler.quitSynchronously();/*from w  w w. java2 s . com*/
    }

    // Stop using the camera, to avoid conflicting with other camera-based apps
    cameraManager.closeDriver();

    if (!hasSurface) {
        SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        surfaceHolder.removeCallback(this);
    }
    super.onPause();
}

---

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