Example usage for android.view View getTop

Introduction

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

Prototype

@ViewDebug.CapturedViewProperty
public final int getTop()

Source Link

Document

Top position of this view relative to its parent.

Usage

From source file:Main.java

public static int getScrollY(ListView lv) {
    View c = lv.getChildAt(0);
    if (c == null) {
        return 0;
    }/*from   www  . java2  s . co  m*/

    int firstVisiblePosition = lv.getFirstVisiblePosition();
    int top = c.getTop();

    int scrollY = -top + firstVisiblePosition * c.getHeight();
    return scrollY;
}

From source file:Main.java

public static Bitmap getBitmapFromView(View view) {
    Bitmap bitmap = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);

    view.layout(view.getLeft(), view.getTop(), view.getRight(), view.getBottom());
    view.draw(canvas);//from   w  w  w . ja v  a 2 s .  c o m

    return bitmap;
}

From source file:Main.java

public static void drawTopAlignItem(Canvas canvas, Drawable drawable, View child,
        ViewGroup.MarginLayoutParams params) {

    final int left = child.getLeft() - params.leftMargin;
    final int right = child.getRight() + params.rightMargin;
    final int top = child.getTop() - params.topMargin - drawable.getIntrinsicHeight();
    final int bottom = top + drawable.getIntrinsicHeight();

    drawable.setBounds(left, top, right, bottom);
    drawable.draw(canvas);//from   ww  w .  ja  v a2 s . c o m
}

From source file:Main.java

public static int getScrollY(AbsListView listView) {
    View c = listView.getChildAt(0);
    if (c == null) {
        return 0;
    }// ww  w. j  a  va2  s . c  o  m

    int firstVisiblePosition = listView.getFirstVisiblePosition();
    int scrollY = -(c.getTop());

    listViewItemHeightCache.put(listView.getFirstVisiblePosition(), c.getHeight());

    if (scrollY < 0) {
        scrollY = 0;
    }

    for (int i = 0; i < firstVisiblePosition; ++i) {
        if (listViewItemHeightCache.get(i) != null) {
            scrollY += listViewItemHeightCache.get(i);
        }
    }

    return scrollY;
}

From source file:Main.java

/**
 * Helper for overriding {@link ViewGroup#gatherTransparentRegion} for views that are fully
 * opaque and have children extending beyond their bounds. If the transparent region
 * optimization is turned on (which is the case whenever the view hierarchy contains a
 * SurfaceView somewhere), the children might otherwise confuse the SurfaceFlinger.
 *///w  w  w.j ava  2 s  .  com
public static void gatherTransparentRegionsForOpaqueView(View view, Region region) {
    view.getLocationInWindow(sLocationTmp);
    region.op(sLocationTmp[0], sLocationTmp[1], sLocationTmp[0] + view.getRight() - view.getLeft(),
            sLocationTmp[1] + view.getBottom() - view.getTop(), Region.Op.DIFFERENCE);
}

From source file:Main.java

public static void addTouchFeedback(final ImageView view) {
    view.setOnTouchListener(new View.OnTouchListener() {
        private Rect rect;

        @Override//from w w w  .  j a v  a  2  s .  c  o m
        public boolean onTouch(View v, MotionEvent event) {
            if (event.getAction() == MotionEvent.ACTION_DOWN) {
                view.setColorFilter(Color.argb(50, 0, 0, 0));
                rect = new Rect(v.getLeft(), v.getTop(), v.getRight(), v.getBottom());
            }
            if (event.getAction() == MotionEvent.ACTION_UP) {
                view.setColorFilter(Color.argb(0, 0, 0, 0));
            }
            if (event.getAction() == MotionEvent.ACTION_MOVE) {
                if (!rect.contains(v.getLeft() + (int) event.getX(), v.getTop() + (int) event.getY())) {
                    view.setColorFilter(Color.argb(0, 0, 0, 0));
                }
            }
            return false;
        }
    });
}

From source file:Main.java

public static int getScrollY(AbsListView lv) {
    View c = lv.getChildAt(0);
    if (c == null) {
        return 0;
    }/*from  w  w w.j a v a  2 s  . co m*/

    int firstVisiblePosition = lv.getFirstVisiblePosition();
    int scrollY = -(c.getTop());
    //        int scrollY = 0;

    sListViewItemHeights.put(lv.getFirstVisiblePosition(), c.getHeight());

    //        if(scrollY>0)
    //            Log.d("QuickReturnUtils", "getScrollY() : -(c.getTop()) - "+ -(c.getTop()));
    //        else
    //            Log.i("QuickReturnUtils", "getScrollY() : -(c.getTop()) - "+ -(c.getTop()));

    if (scrollY < 0)
        scrollY = 0;

    for (int i = 0; i < firstVisiblePosition; ++i) {
        //            Log.d("QuickReturnUtils", "getScrollY() : i - "+i);

        //            Log.d("QuickReturnUtils", "getScrollY() : sListViewItemHeights.get(i) - "+sListViewItemHeights.get(i));

        if (sListViewItemHeights.get(i) != null) // (this is a sanity check)
            scrollY += sListViewItemHeights.get(i); //add all heights of the views that are gone

    }

    //        Log.d("QuickReturnUtils", "getScrollY() : scrollY - "+scrollY);

    return scrollY;
}

From source file:Main.java

public static void drawTop(Canvas canvas, Drawable drawable, View child, ViewGroup.MarginLayoutParams params) {

    final int left = child.getLeft() - params.leftMargin - drawable.getIntrinsicWidth();
    final int right = child.getRight() + params.rightMargin + drawable.getIntrinsicWidth();
    final int top = child.getTop() - params.topMargin - drawable.getIntrinsicHeight();
    final int bottom = top + drawable.getIntrinsicHeight();

    drawable.setBounds(left, top, right, bottom);
    drawable.draw(canvas);/* ww w.j  a v  a 2s  .  com*/
}

From source file:com.czy.reecycleviewheader.ScrollableHelper.java

private static boolean isAdapterViewTop(AdapterView adapterView) {
    if (adapterView != null) {
        int firstVisiblePosition = adapterView.getFirstVisiblePosition();
        View childAt = adapterView.getChildAt(0);
        if (childAt == null || (firstVisiblePosition == 0 && childAt != null && childAt.getTop() == 0)) {
            return true;
        }//from www. ja  va  2s  .com
    }
    return false;
}

From source file:Main.java

/**
 * Return the position of {@code childView} relative to {@code rootView}.  {@code childView}
 * must be a child of {@code rootView}.  This returns the relative layout position, which does
 * not include translations./* w ww .  j  a  v  a2 s. c o m*/
 * @param rootView    The parent of {@code childView} to calculate the position relative to.
 * @param childView   The {@link View} to calculate the position of.
 * @param outPosition The resulting position with the format [x, y].
 */
public static void getRelativeLayoutPosition(View rootView, View childView, int[] outPosition) {
    assert outPosition.length == 2;
    outPosition[0] = 0;
    outPosition[1] = 0;
    while (childView != null && childView != rootView) {
        outPosition[0] += childView.getLeft();
        outPosition[1] += childView.getTop();
        childView = (View) childView.getParent();
    }
}