Example usage for android.view View getTop

List of usage examples for android.view View getTop

  1. HOME
  2. Java
  3. android
  4. android.view.*
  5. View
  6. 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 Animator createCircularShowAnimator(final View view) {
    if (view.getVisibility() == View.VISIBLE || view.getWindowToken() == null)
        return null;
    // get the center for the clipping circle
    int cx = (view.getLeft() + view.getRight()) / 2;
    int cy = (view.getTop() + view.getBottom()) / 2;

    // get the final radius for the clipping circle
    int finalRadius = view.getWidth();

    // create and start the animator for this view
    // (the start radius is zero)
    Animator anim = ViewAnimationUtils.createCircularReveal(view, cx, cy, 0, finalRadius);
    anim.addListener(new AnimatorListenerAdapter() {
        @Override//from   w  ww .j  a v a 2  s  .c  o m
        public void onAnimationStart(Animator animation) {
            super.onAnimationStart(animation);
            view.setVisibility(View.VISIBLE);
        }
    });
    return anim;
}

From source file:Main.java

public static void setY(View view, int y) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
        view.setY(y);/*  www. ja  v  a 2s  .c om*/
    } else {
        ViewGroup.MarginLayoutParams marginParams = getOrCreateMarginLayoutParams(view);
        marginParams.topMargin = y - view.getTop();
        view.setLayoutParams(marginParams);
    }
}

From source file:Main.java

@SuppressLint("NewApi")
public static void revealView(View toBeRevealed, View frame) {
    try {/*from  ww  w  .ja v a2s  . c  o m*/
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
            // get the center for the clipping circle
            int cx = (frame.getLeft() + frame.getRight()) / 2;
            int cy = (frame.getTop() + frame.getBottom()) / 2;

            // get the final radius for the clipping circle
            int finalRadius = Math.max(frame.getWidth(), frame.getHeight());

            // create the animator for this view (the start radius is zero)
            Animator anim = ViewAnimationUtils.createCircularReveal(toBeRevealed, cx, cy, 0, finalRadius);

            // make the view visible and start the animation
            toBeRevealed.setVisibility(View.VISIBLE);
            anim.start();
        } else {
            toBeRevealed.setVisibility(View.VISIBLE);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

@SuppressLint("NewApi")
public static void revealView(View toBeRevealed, View frame) {
    try {//from  w w  w  .j  av  a2  s.c  om
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
            // get the center for the clipping circle
            int cx = (frame.getLeft() + frame.getRight()) / 2;
            int cy = (frame.getTop() + frame.getBottom()) / 2;

            // get the final radius for the clipping circle
            int finalRadius = Math.max(frame.getWidth(), frame.getHeight());
            Log.v("INFO", "Radius: " + finalRadius);

            // create the animator for this view (the start radius is zero)
            Animator anim = ViewAnimationUtils.createCircularReveal(toBeRevealed, cx, cy, 0, finalRadius);

            // make the view visible and start the animation
            toBeRevealed.setVisibility(View.VISIBLE);
            anim.start();
        } else {
            toBeRevealed.setVisibility(View.VISIBLE);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

/**
 * Inverse of {@link #getDescendantCoordRelativeToSelf(View, int[])}.
 *///from   w  ww . ja va 2s. c  o  m
public static float mapCoordInSelfToDescendent(View descendant, View root, int[] coord) {
    ArrayList<View> ancestorChain = new ArrayList<View>();

    float[] pt = { coord[0], coord[1] };

    View v = descendant;
    while (v != root) {
        ancestorChain.add(v);
        v = (View) v.getParent();
    }
    ancestorChain.add(root);

    float scale = 1.0f;
    Matrix inverse = new Matrix();
    int count = ancestorChain.size();
    for (int i = count - 1; i >= 0; i--) {
        View ancestor = ancestorChain.get(i);
        View next = i > 0 ? ancestorChain.get(i - 1) : null;

        pt[0] += ancestor.getScrollX();
        pt[1] += ancestor.getScrollY();

        if (next != null) {
            pt[0] -= next.getLeft();
            pt[1] -= next.getTop();
            next.getMatrix().invert(inverse);
            inverse.mapPoints(pt);
            scale *= next.getScaleX();
        }
    }

    coord[0] = (int) Math.round(pt[0]);
    coord[1] = (int) Math.round(pt[1]);
    return scale;
}

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

private static boolean isRecyclerViewTop(RecyclerView recyclerView) {
    if (recyclerView != null) {
        RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager();
        if (layoutManager instanceof LinearLayoutManager) {
            int firstVisibleItemPosition = ((LinearLayoutManager) layoutManager).findFirstVisibleItemPosition();
            View childAt = recyclerView.getChildAt(0);
            if (childAt == null
                    || (firstVisibleItemPosition == 0 && childAt != null && childAt.getTop() == 0)) {
                return true;
            }/*www.j a v  a  2 s.  c  o m*/
        } else if (layoutManager instanceof StaggeredGridLayoutManager) {
            int[] firstVisibleItemPositions = ((StaggeredGridLayoutManager) layoutManager)
                    .findFirstVisibleItemPositions(null);
            List firstVisibleItemPositionList = Arrays.asList(firstVisibleItemPositions);
            View childAt = recyclerView.getChildAt(0);
            if (childAt == null
                    || (firstVisibleItemPositionList.contains(0) && childAt != null && childAt.getTop() == 0)) {
                return true;
            }
        }
    }
    return false;
}

From source file:Main.java

private static Bitmap getResizeBitmap(View view, Bitmap bitmap) {
    Bitmap overlay = Bitmap.createBitmap((int) (view.getMeasuredWidth() / sScaleFactor),
            (int) (view.getMeasuredHeight() / sScaleFactor), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(overlay);
    canvas.translate(-view.getLeft() / sScaleFactor, -view.getTop() / sScaleFactor);
    canvas.scale(1 / sScaleFactor, 1 / sScaleFactor);
    Paint paint = new Paint();
    paint.setFlags(Paint.FILTER_BITMAP_FLAG);
    canvas.drawBitmap(bitmap, 0, 0, paint);
    return overlay;
}

From source file:Main.java

/**
 * Performs a single touch on the center of the supplied view.
 * This is safe to call from the instrumentation thread and will invoke the touch
 * asynchronously.// ww w. ja  va  2  s .c o m
 *
 * @param view The view the coordinates are relative to.
 */
public static void simulateTouchCenterOfView(final View view) throws Throwable {
    view.post(new Runnable() {
        @Override
        public void run() {
            long eventTime = SystemClock.uptimeMillis();
            float x = (float) (view.getRight() - view.getLeft()) / 2;
            float y = (float) (view.getBottom() - view.getTop()) / 2;
            view.onTouchEvent(MotionEvent.obtain(eventTime, eventTime, MotionEvent.ACTION_DOWN, x, y, 0));
            view.onTouchEvent(MotionEvent.obtain(eventTime, eventTime, MotionEvent.ACTION_UP, x, y, 0));
        }
    });
}

From source file:Main.java

public static void blur(Context context, Bitmap bkg, View view, int width, int height) {
    float radius = 20;
    Log.i("hulixia", bkg.getWidth() + "w,h" + bkg.getDensity());
    Bitmap overlay = Bitmap.createBitmap(bkg.getWidth(), bkg.getHeight(), Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(overlay);
    canvas.translate(-view.getLeft(), -view.getTop());
    canvas.drawBitmap(bkg, 0, 0, null);/*from w w  w .j  av  a2s.  c  o m*/

    RenderScript rs = RenderScript.create(context);

    Allocation overlayAlloc = Allocation.createFromBitmap(rs, overlay);
    ScriptIntrinsicBlur blur = ScriptIntrinsicBlur.create(rs, overlayAlloc.getElement());
    blur.setInput(overlayAlloc);
    blur.setRadius(radius);
    blur.forEach(overlayAlloc);
    overlayAlloc.copyTo(overlay);
    view.setBackground(new BitmapDrawable(context.getResources(), overlay));
    rs.destroy();
}

From source file:Main.java

public static Animator createCircularHideAnimator(final View view,
        @Nullable Animator.AnimatorListener listener) {
    if (view.getWindowToken() == null || view.getVisibility() == View.INVISIBLE)
        return null;

    // get the center for the clipping circle
    int cx = (view.getLeft() + view.getRight()) / 2;
    int cy = (view.getTop() + view.getBottom()) / 2;

    // get the initial radius for the clipping circle
    int initialRadius = view.getWidth();

    // create the animation (the final radius is zero)
    Animator anim = ViewAnimationUtils.createCircularReveal(view, cx, cy, initialRadius, 0);

    anim.addListener(new AnimatorListenerAdapter() {

        @Override//  www .  ja va2 s  . com
        public void onAnimationEnd(Animator animation) {
            super.onAnimationEnd(animation);
            view.setVisibility(View.INVISIBLE);
        }
    });

    if (listener != null) {
        anim.addListener(listener);
    }
    return anim;
}