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

Example 6 with SurfaceView

use of android.view.SurfaceView in project android_frameworks_base by ResurrectionRemix.

the class GetBitmapSurfaceViewActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    FrameLayout content = new FrameLayout(this);
    mSurfaceView = new SurfaceView(this);
    mSurfaceView.getHolder().addCallback(this);
    Button button = new Button(this);
    button.setText("Copy bitmap to /sdcard/surfaceview.png");
    button.setOnClickListener((View v) -> {
        final Bitmap b = Bitmap.createBitmap(mSurfaceView.getWidth(), mSurfaceView.getHeight(), Bitmap.Config.ARGB_8888);
        PixelCopy.request(mSurfaceView, b, (int result) -> {
            if (result != PixelCopy.SUCCESS) {
                Toast.makeText(GetBitmapSurfaceViewActivity.this, "Failed to copy", Toast.LENGTH_SHORT).show();
                return;
            }
            try {
                try (FileOutputStream out = new FileOutputStream(Environment.getExternalStorageDirectory() + "/surfaceview.png")) {
                    b.compress(Bitmap.CompressFormat.PNG, 100, out);
                }
            } catch (Exception e) {
            // Ignore
            }
        }, mSurfaceView.getHandler());
    });
    content.addView(mSurfaceView, new FrameLayout.LayoutParams(500, 400, Gravity.CENTER));
    content.addView(button, new FrameLayout.LayoutParams(FrameLayout.LayoutParams.WRAP_CONTENT, FrameLayout.LayoutParams.WRAP_CONTENT, Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM));
    setContentView(content);
}

Example 7 with SurfaceView

use of android.view.SurfaceView in project android_frameworks_base by ResurrectionRemix.

the class MffContext method createDummySurfaceView.

@SuppressWarnings("deprecation")
private SurfaceView createDummySurfaceView(Context context) {
    // This is only called on Gingerbread devices, so deprecation warning is unnecessary.
    SurfaceView dummySurfaceView = new SurfaceView(context);
    dummySurfaceView.getHolder().setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
    // If we have an activity for this context we'll add the SurfaceView to it (as a 1x1 view
    // in the top-left corner). If not, we warn the user that they may need to add one manually.
    Activity activity = findActivityForContext(context);
    if (activity != null) {
        ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(1, 1);
        activity.addContentView(dummySurfaceView, params);
    } else {
        Log.w("MffContext", "Could not find activity for dummy surface! Consider specifying " + "your own SurfaceView!");
    }
    return dummySurfaceView;
}

Example 8 with SurfaceView

use of android.view.SurfaceView in project android_frameworks_base by ResurrectionRemix.

the class CameraTooActivity method onResume.

/**
     * Called when our {@code Activity} gains focus. <p>Starts initializing the camera.</p>
     */
@Override
protected void onResume() {
    super.onResume();
    // Start a background thread to manage camera requests
    mBackgroundThread = new HandlerThread("background");
    mBackgroundThread.start();
    mBackgroundHandler = new Handler(mBackgroundThread.getLooper());
    mForegroundHandler = new Handler(getMainLooper());
    mCameraManager = (CameraManager) getSystemService(CAMERA_SERVICE);
    // Inflate the SurfaceView, set it as the main layout, and attach a listener
    View layout = getLayoutInflater().inflate(R.layout.mainactivity, null);
    mSurfaceView = (SurfaceView) layout.findViewById(R.id.mainSurfaceView);
    mSurfaceView.getHolder().addCallback(mSurfaceHolderCallback);
    setContentView(mSurfaceView);
// Control flow continues in mSurfaceHolderCallback.surfaceChanged()
}

Example 9 with SurfaceView

use of android.view.SurfaceView in project XobotOS by xamarin.

the class EGLImpl method eglCreateWindowSurface.

public EGLSurface eglCreateWindowSurface(EGLDisplay display, EGLConfig config, Object native_window, int[] attrib_list) {
    Surface sur = null;
    if (native_window instanceof SurfaceView) {
        SurfaceView surfaceView = (SurfaceView) native_window;
        sur = surfaceView.getHolder().getSurface();
    } else if (native_window instanceof SurfaceHolder) {
        SurfaceHolder holder = (SurfaceHolder) native_window;
        sur = holder.getSurface();
    }
    int eglSurfaceId;
    if (sur != null) {
        eglSurfaceId = _eglCreateWindowSurface(display, config, sur, attrib_list);
    } else if (native_window instanceof SurfaceTexture) {
        eglSurfaceId = _eglCreateWindowSurfaceTexture(display, config, (SurfaceTexture) native_window, attrib_list);
    } else {
        throw new java.lang.UnsupportedOperationException("eglCreateWindowSurface() can only be called with an instance of " + "SurfaceView, SurfaceHolder or SurfaceTexture at the moment, " + "this will be fixed later.");
    }
    if (eglSurfaceId == 0) {
        return EGL10.EGL_NO_SURFACE;
    }
    return new EGLSurfaceImpl(eglSurfaceId);
}

Example 10 with SurfaceView

use of android.view.SurfaceView in project zxing by zxing.

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);
    }
}