Examples with SurfaceHolder android.view.SurfaceHolder used on opensource projects

Example 61 with SurfaceHolder

use of android.view.SurfaceHolder in project android-zxing by PearceXu.

the class CaptureActivity method onResume.

@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;
    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);
    }
}

Example 62 with SurfaceHolder

use of android.view.SurfaceHolder in project android_frameworks_base by crdroidandroid.

the class MediaRecorderStressTest method testStressTimeLapse.

// Test case for stressing time lapse
@LargeTest
public void testStressTimeLapse() throws Exception {
    SurfaceHolder mSurfaceHolder;
    mSurfaceHolder = MediaFrameworkTest.mSurfaceView.getHolder();
    int recordDuration = MediaRecorderStressTestRunner.mTimeLapseDuration;
    boolean removeVideo = MediaRecorderStressTestRunner.mRemoveVideo;
    double captureRate = MediaRecorderStressTestRunner.mCaptureRate;
    Log.v(TAG, "Start camera time lapse stress:");
    mOutput.write("Total number of loops: " + NUMBER_OF_TIME_LAPSE_LOOPS + "\n");
    try {
        for (int i = 0, n = Camera.getNumberOfCameras(); i < n; i++) {
            mOutput.write("No of loop: camera " + i);
            for (int j = 0; j < NUMBER_OF_TIME_LAPSE_LOOPS; j++) {
                String fileName = String.format("%s/temp%d_%d%s", Environment.getExternalStorageDirectory(), i, j, OUTPUT_FILE_EXT);
                Log.v(TAG, fileName);
                runOnLooper(new Runnable() {

                    @Override
                    public void run() {
                        mRecorder = new MediaRecorder();
                    }
                });
                // Set callback
                mRecorder.setOnErrorListener(mRecorderErrorCallback);
                // Set video source
                mRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
                // Set camcorder profile for time lapse
                CamcorderProfile profile = CamcorderProfile.get(j, CamcorderProfile.QUALITY_TIME_LAPSE_HIGH);
                mRecorder.setProfile(profile);
                // Set the timelapse setting; 0.1 = 10 sec timelapse, 0.5 = 2 sec timelapse, etc
                // http://developer.android.com/guide/topics/media/camera.html#time-lapse-video
                mRecorder.setCaptureRate(captureRate);
                // Set output file
                mRecorder.setOutputFile(fileName);
                // Set the preview display
                Log.v(TAG, "mediaRecorder setPreviewDisplay");
                mRecorder.setPreviewDisplay(mSurfaceHolder.getSurface());
                mRecorder.prepare();
                mRecorder.start();
                Thread.sleep(recordDuration);
                Log.v(TAG, "Before stop");
                mRecorder.stop();
                mRecorder.release();
                // Start the playback
                MediaPlayer mp = new MediaPlayer();
                mp.setDataSource(fileName);
                mp.setDisplay(mSurfaceHolder);
                mp.prepare();
                mp.start();
                Thread.sleep(TIME_LAPSE_PLAYBACK_WAIT_TIME);
                mp.release();
                validateRecordedVideo(fileName);
                if (removeVideo) {
                    removeRecordedVideo(fileName);
                }
                if (j == 0) {
                    mOutput.write(j + 1);
                } else {
                    mOutput.write(String.format(", %d", (j + 1)));
                }
            }
        }
    } catch (IllegalStateException e) {
        Log.e(TAG, e.toString());
        fail("Camera time lapse stress test IllegalStateException");
    } catch (IOException e) {
        Log.e(TAG, e.toString());
        fail("Camera time lapse stress test IOException");
    } catch (Exception e) {
        Log.e(TAG, e.toString());
        fail("Camera time lapse stress test Exception");
    }
}

Example 63 with SurfaceHolder

use of android.view.SurfaceHolder in project android_frameworks_base by crdroidandroid.

the class CameraStressTest method testStressCameraZoom.

/**
     * Stress test iterating on the range of supported camera zoom levels
     */
@LargeTest
public void testStressCameraZoom() throws Exception {
    try {
        SurfaceHolder surfaceHolder = MediaFrameworkTest.mSurfaceView.getHolder();
        Parameters params = mCameraTestHelper.getCameraParameters();
        if (!params.isSmoothZoomSupported() && !params.isZoomSupported()) {
            Log.v(TAG, "Device camera does not support zoom");
            fail("Camera zoom stress test failed due to unsupported feature");
        } else {
            Log.v(TAG, "Device camera does support zoom");
            Log.v(TAG, "Start preview");
            mOutput.write("Total number of loops: " + NUMBER_OF_ZOOM_LOOPS + "\n");
            mOutput.write("No of loops: ");
            int nextZoomLevel = 0;
            for (int i = 0; i < NUMBER_OF_ZOOM_LOOPS; i++) {
                runOnLooper(new Runnable() {

                    @Override
                    public void run() {
                        mCameraTestHelper.setupCameraTest();
                    }
                });
                mCameraTestHelper.startCameraPreview(surfaceHolder);
                params = mCameraTestHelper.mCamera.getParameters();
                int currentZoomLevel = params.getZoom();
                if (nextZoomLevel >= params.getMaxZoom()) {
                    nextZoomLevel = 0;
                }
                ++nextZoomLevel;
                if (params.isSmoothZoomSupported()) {
                    mCameraTestHelper.mCamera.startSmoothZoom(nextZoomLevel);
                } else {
                    params.setZoom(nextZoomLevel);
                    mCameraTestHelper.setParameters(params);
                }
                mCameraTestHelper.capturePhoto();
                if (i == 0) {
                    mOutput.write(Integer.toString(i));
                } else {
                    mOutput.write(", " + i);
                }
            }
        }
        mCameraTestHelper.cleanupTestImages();
    } catch (Exception e) {
        Log.e(TAG, e.toString());
        fail("Camera zoom stress test Exception");
    }
}

Example 64 with SurfaceHolder

use of android.view.SurfaceHolder in project android_frameworks_base by crdroidandroid.

the class CameraStressTest method testStressCameraSceneModes.

/**
     * Stress test iterating on the various scene modes (action, night, party, etc.)
     */
@LargeTest
public void testStressCameraSceneModes() throws Exception {
    try {
        SurfaceHolder surfaceHolder = MediaFrameworkTest.mSurfaceView.getHolder();
        Parameters params = mCameraTestHelper.getCameraParameters();
        List<String> supportedSceneModes = params.getSupportedSceneModes();
        assertNotNull("No scene modes supported", supportedSceneModes);
        mOutput.write("Total number of loops: " + (NUMBER_OF_SCENE_MODE_LOOPS * supportedSceneModes.size()) + "\n");
        Log.v(TAG, "Start preview");
        mOutput.write("No of loop: ");
        for (int i = 0; i < supportedSceneModes.size(); i++) {
            for (int j = 0; j < NUMBER_OF_SCENE_MODE_LOOPS; j++) {
                runOnLooper(new Runnable() {

                    @Override
                    public void run() {
                        mCameraTestHelper.setupCameraTest();
                    }
                });
                Log.v(TAG, "Setting scene mode to " + supportedSceneModes.get(i));
                params.setSceneMode(supportedSceneModes.get(i));
                mCameraTestHelper.setParameters(params);
                mCameraTestHelper.startCameraPreview(surfaceHolder);
                mCameraTestHelper.capturePhoto();
                if (i == 0 && j == 0) {
                    mOutput.write(Integer.toString(j + i * NUMBER_OF_SCENE_MODE_LOOPS));
                } else {
                    mOutput.write(", " + (j + i * NUMBER_OF_SCENE_MODE_LOOPS));
                }
            }
        }
        mCameraTestHelper.cleanupTestImages();
    } catch (Exception e) {
        Log.e(TAG, e.toString());
        fail("Camera scene mode test Exception");
    }
}

Example 65 with SurfaceHolder

use of android.view.SurfaceHolder in project smartmodule by carozhu.

the class CaptureActivity method onPause.

/**
     * 暂停活动监控器,关闭摄像头
     */
@Override
protected void onPause() {
    super.onPause();
    if (mHandler != null) {
        mHandler.quitSynchronously();
        mHandler = null;
    }
    // 暂停活动监控器
    inactivityTimer.onPause();
    // 关闭摄像头
    cameraManager.closeDriver();
    if (!hasSurface) {
        SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        surfaceHolder.removeCallback(this);
    }
}