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

Example 51 with SurfaceView

use of android.view.SurfaceView in project SocialRec by Jkuras.

the class CameraSource method start.

/**
 * Opens the camera and starts sending preview frames to the underlying detector.  The preview
 * frames are not displayed.
 *
 * @throws IOException if the camera's preview texture or display could not be initialized
 */
@RequiresPermission(Manifest.permission.CAMERA)
public CameraSource start() throws IOException {
    synchronized (mCameraLock) {
        if (mCamera != null) {
            return this;
        }
        mCamera = createCamera();
        // old version of Android. fall back to use SurfaceView.
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            mDummySurfaceTexture = new SurfaceTexture(DUMMY_TEXTURE_NAME);
            mCamera.setPreviewTexture(mDummySurfaceTexture);
        } else {
            mDummySurfaceView = new SurfaceView(mContext);
            mCamera.setPreviewDisplay(mDummySurfaceView.getHolder());
        }
        mCamera.startPreview();
        mProcessingThread = new Thread(mFrameProcessor);
        mFrameProcessor.setActive(true);
        mProcessingThread.start();
    }
    return this;
}

Example 52 with SurfaceView

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

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 53 with SurfaceView

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

the class HardwareCanvasSurfaceViewActivity 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(HardwareCanvasSurfaceViewActivity.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());
    });
    LinearLayout layout = new LinearLayout(this);
    layout.setOrientation(LinearLayout.VERTICAL);
    layout.addView(button, LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
    layout.addView(mSurfaceView, LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT);
    content.addView(layout, new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT));
    setContentView(content);
}

Example 54 with SurfaceView

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

the class DisplaySinkService method setSurfaceView.

public void setSurfaceView(final SurfaceView surfaceView) {
    if (mSurfaceView != surfaceView) {
        final SurfaceView oldSurfaceView = mSurfaceView;
        mSurfaceView = surfaceView;
        if (oldSurfaceView != null) {
            oldSurfaceView.post(new Runnable() {

                @Override
                public void run() {
                    final SurfaceHolder holder = oldSurfaceView.getHolder();
                    holder.removeCallback(DisplaySinkService.this);
                    updateSurfaceFromUi(null);
                }
            });
        }
        if (surfaceView != null) {
            surfaceView.post(new Runnable() {

                @Override
                public void run() {
                    final SurfaceHolder holder = surfaceView.getHolder();
                    holder.addCallback(DisplaySinkService.this);
                    updateSurfaceFromUi(holder);
                }
            });
        }
    }
}

Example 55 with SurfaceView

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

the class EGL14 method eglCreateWindowSurface.

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