Example usage for android.view View requestRectangleOnScreen

Introduction

In this page you can find the example usage for android.view View requestRectangleOnScreen.

Prototype

public boolean requestRectangleOnScreen(Rect rectangle, boolean immediate) 

Source Link

Document

Request that a rectangle of this view be visible on the screen, scrolling if necessary just enough.

Usage

From source file:com.crucentralcoast.app.common.NCVScrollToAction.java

@Override
public void perform(UiController uiController, View view) {
    if (isDisplayingAtLeast(90).matches(view)) {
        Log.i(TAG, "View is already displayed. Returning.");
        return;/*  w  w  w  .j  a v a  2  s  . c  om*/
    }
    Rect rect = new Rect();
    view.getDrawingRect(rect);
    if (!view.requestRectangleOnScreen(rect, true /* immediate */)) {
        Log.w(TAG, "Scrolling to view was requested, but none of the parents scrolled.");
    }
    uiController.loopMainThreadUntilIdle();
    if (!isDisplayingAtLeast(90).matches(view)) {
        throw new PerformException.Builder().withActionDescription(this.getDescription())
                .withViewDescription(HumanReadables.describe(view))
                .withCause(
                        new RuntimeException("Scrolling to view was attempted, but the view is not displayed"))
                .build();
    }
}

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From source file:org.xbmc.kore.testhelpers.action.NestedScrollTo.java

@Override
public void perform(UiController uiController, View view) {
    if (isDisplayingAtLeast(90).matches(view)) {
        LogUtils.LOGI(TAG, "View is already displayed. Returning.");
        return;//from  w w  w  .j a  v a  2s  . c  om
    }
    Rect rect = new Rect();
    view.getDrawingRect(rect);
    if (!view.requestRectangleOnScreen(rect, true /* immediate */)) {
        LogUtils.LOGW(TAG, "Scrolling to view was requested, but none of the parents scrolled.");
    }
    uiController.loopMainThreadUntilIdle();
    if (!isDisplayingAtLeast(90).matches(view)) {
        throw new PerformException.Builder().withActionDescription(this.getDescription())
                .withViewDescription(HumanReadables.describe(view))
                .withCause(
                        new RuntimeException("Scrolling to view was attempted, but the view is not displayed"))
                .build();
    }
}

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From source file:Main.java

private static void expandInner(final View view, final View parentView, final ViewGroup rootContainer,
        final int targtetHeight) {

    setHeight(view, 0);/*from   www.j a v  a2  s.co  m*/
    view.setVisibility(View.VISIBLE);
    final Animation animation = new Animation() {

        private final Rect rect = new Rect();
        private final Rect parentVisibleRect = new Rect();

        ViewTreeObserver.OnGlobalLayoutListener globalLayoutListener;

        private final Runnable checkViewRunnable = new Runnable() {
            @Override
            public void run() {
                checkForViewInsideVisibleArea();
            }
        };

        @Override
        protected void applyTransformation(float interpolatedTime, Transformation t) {

            int neededHeight = interpolatedTime == 1 ? LayoutParams.WRAP_CONTENT
                    : (int) (targtetHeight * interpolatedTime);
            setHeight(view, neededHeight);

            final ViewTreeObserver viewTreeObserver = view.getViewTreeObserver();

            if (globalLayoutListener == null) {
                globalLayoutListener = new ViewTreeObserver.OnGlobalLayoutListener() {

                    @Override
                    public void onGlobalLayout() {

                        if (globalLayoutListener == null) {
                            removeGlobalLayoutListener(viewTreeObserver, this);
                        }

                        checkForViewInsideVisibleArea();
                    }
                };

                viewTreeObserver.addOnGlobalLayoutListener(globalLayoutListener);
            }

            if (globalLayoutListener != null && interpolatedTime == 1) {
                runInUIThread(checkViewRunnable);
                globalLayoutListener = null;
            }

            view.requestLayout();
        }

        @Override
        public boolean willChangeBounds() {
            return true;
        }

        private void checkForViewInsideVisibleArea() {

            if (rootContainer.indexOfChild(parentView) == -1) {
                return;
            }

            parentVisibleRect.left = 0;
            parentVisibleRect.top = 0;
            parentVisibleRect.right = parentView.getWidth();
            parentVisibleRect.bottom = parentView.getHeight();

            rootContainer.offsetDescendantRectToMyCoords(parentView, parentVisibleRect);

            if (parentVisibleRect.top < 0 || parentVisibleRect.bottom > rootContainer.getHeight()) {

                rect.left = parentView.getLeft();
                rect.top = parentView.getTop();
                rect.right = parentView.getRight();
                rect.bottom = parentView.getBottom();

                parentView.requestRectangleOnScreen(rect, true);
            }
        }
    };

    animation.setDuration(ANIMATION_DURATION);
    view.startAnimation(animation);
}

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