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

Example 71 with ViewTreeObserver

use of android.view.ViewTreeObserver in project ActionBarSherlock by JakeWharton.

the class ActivityChooserView method onDetachedFromWindow.

@Override
protected void onDetachedFromWindow() {
    super.onDetachedFromWindow();
    ActivityChooserModel dataModel = mAdapter.getDataModel();
    if (dataModel != null) {
        try {
            dataModel.unregisterObserver(mModelDataSetOberver);
        } catch (IllegalStateException e) {
        //Oh, well... fixes issue #557
        }
    }
    ViewTreeObserver viewTreeObserver = getViewTreeObserver();
    if (viewTreeObserver.isAlive()) {
        viewTreeObserver.removeGlobalOnLayoutListener(mOnGlobalLayoutListener);
    }
    mIsAttachedToWindow = false;
}

Example 72 with ViewTreeObserver

use of android.view.ViewTreeObserver in project UltimateAndroid by cymcsg.

the class FloatingActionButton method toggle.

private void toggle(final boolean visible, final boolean animate, boolean force) {
    if (mVisible != visible || force) {
        mVisible = visible;
        int height = getHeight();
        if (height == 0 && !force) {
            ViewTreeObserver vto = getViewTreeObserver();
            if (vto.isAlive()) {
                vto.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {

                    @Override
                    public boolean onPreDraw() {
                        ViewTreeObserver currentVto = getViewTreeObserver();
                        if (currentVto.isAlive()) {
                            currentVto.removeOnPreDrawListener(this);
                        }
                        toggle(visible, animate, true);
                        return true;
                    }
                });
                return;
            }
        }
        int translationY = visible ? 0 : height + getMarginBottom();
        if (animate) {
            animate().setInterpolator(mInterpolator).setDuration(TRANSLATE_DURATION_MILLIS).translationY(translationY);
        } else {
            setTranslationY(translationY);
        }
    }
}

Example 73 with ViewTreeObserver

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

the class PopupWindow method attachToAnchor.

private void attachToAnchor(View anchor, int xoff, int yoff, int gravity) {
    detachFromAnchor();
    final ViewTreeObserver vto = anchor.getViewTreeObserver();
    if (vto != null) {
        vto.addOnScrollChangedListener(mOnScrollChangedListener);
    }
    final View anchorRoot = anchor.getRootView();
    anchorRoot.addOnAttachStateChangeListener(mOnAnchorRootDetachedListener);
    mAnchor = new WeakReference<>(anchor);
    mAnchorRoot = new WeakReference<>(anchorRoot);
    mIsAnchorRootAttached = anchorRoot.isAttachedToWindow();
    mAnchorXoff = xoff;
    mAnchorYoff = yoff;
    mAnchoredGravity = gravity;
}

Example 74 with ViewTreeObserver

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

the class CropView method moveToLeft.

public void moveToLeft() {
    if (getWidth() == 0 || getHeight() == 0) {
        final ViewTreeObserver observer = getViewTreeObserver();
        observer.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {

            public void onGlobalLayout() {
                moveToLeft();
                getViewTreeObserver().removeOnGlobalLayoutListener(this);
            }
        });
    }
    final RectF edges = mTempEdges;
    getEdgesHelper(edges);
    final float scale = mRenderer.scale;
    mCenterX += Math.ceil(edges.left / scale);
    updateCenter();
}

Example 75 with ViewTreeObserver

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

the class Spinner method onRestoreInstanceState.

@Override
public void onRestoreInstanceState(Parcelable state) {
    SavedState ss = (SavedState) state;
    super.onRestoreInstanceState(ss.getSuperState());
    if (ss.showDropdown) {
        ViewTreeObserver vto = getViewTreeObserver();
        if (vto != null) {
            final OnGlobalLayoutListener listener = new OnGlobalLayoutListener() {

                @Override
                public void onGlobalLayout() {
                    if (!mPopup.isShowing()) {
                        mPopup.show(getTextDirection(), getTextAlignment());
                    }
                    final ViewTreeObserver vto = getViewTreeObserver();
                    if (vto != null) {
                        vto.removeOnGlobalLayoutListener(this);
                    }
                }
            };
            vto.addOnGlobalLayoutListener(listener);
        }
    }
}