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

Example 76 with SurfaceView

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

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 77 with SurfaceView

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

the class ViewManager method requestLayout.

/**
     * This should only be called from the UI thread.
     */
private void requestLayout(ChildView v) {
    int width = mWebView.contentToViewDimension(v.width);
    int height = mWebView.contentToViewDimension(v.height);
    int x = mWebView.contentToViewX(v.x);
    int y = mWebView.contentToViewY(v.y);
    AbsoluteLayout.LayoutParams lp;
    ViewGroup.LayoutParams layoutParams = v.mView.getLayoutParams();
    if (layoutParams instanceof AbsoluteLayout.LayoutParams) {
        lp = (AbsoluteLayout.LayoutParams) layoutParams;
        lp.width = width;
        lp.height = height;
        lp.x = x;
        lp.y = y;
    } else {
        lp = new AbsoluteLayout.LayoutParams(width, height, x, y);
    }
    // apply the layout to the view
    v.mView.setLayoutParams(lp);
    if (v.mView instanceof SurfaceView) {
        final SurfaceView sView = (SurfaceView) v.mView;
        if (sView.isFixedSize() && mZoomInProgress) {
            /* If we're already fixed, and we're in a zoom, then do nothing
                   about the size. Just wait until we get called at the end of
                   the zoom session (with mZoomInProgress false) and we'll
                   fixup our size then.
                 */
            return;
        }
        /* Compute proportional fixed width/height if necessary.
             *
             * NOTE: plugins (e.g. Flash) must not explicitly fix the size of
             * their surface. The logic below will result in unexpected behavior
             * for the plugin if they attempt to fix the size of the surface.
             */
        int fixedW = width;
        int fixedH = height;
        if (fixedW > MAX_SURFACE_DIMENSION || fixedH > MAX_SURFACE_DIMENSION) {
            if (v.width > v.height) {
                fixedW = MAX_SURFACE_DIMENSION;
                fixedH = v.height * MAX_SURFACE_DIMENSION / v.width;
            } else {
                fixedH = MAX_SURFACE_DIMENSION;
                fixedW = v.width * MAX_SURFACE_DIMENSION / v.height;
            }
        }
        if (fixedW * fixedH > MAX_SURFACE_AREA) {
            float area = MAX_SURFACE_AREA;
            if (v.width > v.height) {
                fixedW = (int) Math.sqrt(area * v.width / v.height);
                fixedH = v.height * fixedW / v.width;
            } else {
                fixedH = (int) Math.sqrt(area * v.height / v.width);
                fixedW = v.width * fixedH / v.height;
            }
        }
        if (fixedW != width || fixedH != height) {
            // if we get here, either our dimensions or area (or both)
            // exeeded our max, so we had to compute fixedW and fixedH
            sView.getHolder().setFixedSize(fixedW, fixedH);
        } else if (!sView.isFixedSize() && mZoomInProgress) {
            // just freeze where we were (view size) until we're done with
            // the zoom progress
            sView.getHolder().setFixedSize(sView.getWidth(), sView.getHeight());
        } else if (sView.isFixedSize() && !mZoomInProgress) {
            /* The changing of visibility is a hack to get around a bug in
                 * the framework that causes the surface to revert to the size
                 * it was prior to being fixed before it redraws using the
                 * values currently in its layout.
                 *
                 * The surface is destroyed when it is set to invisible and then
                 * recreated at the new dimensions when it is made visible. The
                 * same destroy/create step occurs without the change in
                 * visibility, but then exhibits the behavior described in the
                 * previous paragraph.
                 */
            if (sView.getVisibility() == View.VISIBLE) {
                sView.setVisibility(View.INVISIBLE);
                sView.getHolder().setSizeFromLayout();
                // setLayoutParams() only requests the layout. If we set it
                // to VISIBLE now, it will use the old dimension to set the
                // size. Post a message to ensure that it shows the new size.
                mWebView.mPrivateHandler.post(new Runnable() {

                    public void run() {
                        sView.setVisibility(View.VISIBLE);
                    }
                });
            } else {
                sView.getHolder().setSizeFromLayout();
            }
        }
    }
}

Example 78 with SurfaceView

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

the class PluginFullScreenHolder method setContentView.

public void setContentView(View contentView) {
    // Create a FrameLayout that will contain the plugin's view
    mLayout = new CustomFrameLayout(mWebView.getContext());
    FrameLayout.LayoutParams layoutParams = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT, Gravity.CENTER);
    mLayout.addView(contentView, layoutParams);
    mLayout.setVisibility(View.VISIBLE);
    // by the ViewManager when it is re-attached to the WebView.
    if (contentView instanceof SurfaceView) {
        final SurfaceView sView = (SurfaceView) contentView;
        if (sView.isFixedSize()) {
            sView.getHolder().setSizeFromLayout();
        }
    }
    mContentView = contentView;
}

Example 79 with SurfaceView

use of android.view.SurfaceView in project QRCode by 5peak2me.

the class CaptureActivity method onPause.

@Override
protected void onPause() {
    if (handler != null) {
        handler.quitSynchronously();
        handler = null;
    }
    inactivityTimer.onPause();
    ambientLightManager.stop();
    beepManager.close();
    // 关闭摄像头
    cameraManager.closeDriver();
    if (!hasSurface) {
        SurfaceView surfaceView = (SurfaceView) findViewById(R.id.capture_preview_view);
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        surfaceHolder.removeCallback(this);
    }
    super.onPause();
}

Example 80 with SurfaceView

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

the class CaptureActivity method onPause.

@Override
protected void onPause() {
    if (handler != null) {
        handler.quitSynchronously();
        handler = null;
    }
    inactivityTimer.onPause();
    ambientLightManager.stop();
    beepManager.close();
    cameraManager.closeDriver();
    //historyManager = null; // Keep for onActivityResult
    if (!hasSurface) {
        SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        surfaceHolder.removeCallback(this);
    }
    super.onPause();
}