Example usage for android.view View layout

List of usage examples for android.view View layout

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Introduction

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

Prototype

@SuppressWarnings({ "unchecked" })
public void layout(int l, int t, int r, int b)

Source Link

Document

Assign a size and position to a view and all of its descendants

This is the second phase of the layout mechanism.

Usage

From source file:bw.com.yunifangstore.view.LazyViewPager.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    mInLayout = true;//from   w ww.j  a va  2s. c o m
    populate();
    mInLayout = false;

    final int count = getChildCount();
    final int width = r - l;

    for (int i = 0; i < count; i++) {
        View child = getChildAt(i);
        ItemInfo ii;
        if (child.getVisibility() != GONE && (ii = infoForChild(child)) != null) {
            int loff = (width + mPageMargin) * ii.position;
            int childLeft = getPaddingLeft() + loff;
            int childTop = getPaddingTop();
            if (DEBUG)
                Log.v(TAG, "Positioning #" + i + " " + child + " f=" + ii.object + ":" + childLeft + ","
                        + childTop + " " + child.getMeasuredWidth() + "x" + child.getMeasuredHeight());
            child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(),
                    childTop + child.getMeasuredHeight());
        }
    }
    mFirstLayout = false;
}

From source file:com.android.systemui.qs.QSDragPanel.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    final int w = getWidth();

    mQsPanelTop.layout(0, 0, w, mQsPanelTop.getMeasuredHeight());

    int viewPagerBottom = mQsPanelTop.getMeasuredHeight() + mViewPager.getMeasuredHeight();
    // view pager laid out from top of brightness view to bottom to page through settings
    mViewPager.layout(0, 0, w, viewPagerBottom);

    mDetail.layout(0, 0, w, mDetail.getMeasuredHeight());

    if (mFooter.hasFooter()) {
        View footer = mFooter.getView();
        footer.layout(0, getMeasuredHeight() - footer.getMeasuredHeight(), footer.getMeasuredWidth(),
                getMeasuredHeight());//w ww.jav  a2 s .c o  m
    }

    if (!isShowingDetail() && !isClosingDetail()) {
        mQsPanelTop.bringToFront();

    }
    // layout page indicator inside viewpager inset
    mPageIndicator.layout(0, b - mPageIndicatorHeight, w, b);
}

From source file:com.cnpeng.cnpeng_mydemosfrom2016_12.a_12_GetLocalFiles_VP_FM.CustomNoPreLoadViewPager.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    mInLayout = true;/*from   www  . jav  a 2s  . c  o m*/
    populate();
    mInLayout = false;

    final int count = getChildCount();
    final int width = r - l;

    for (int i = 0; i < count; i++) {
        View child = getChildAt(i);
        ItemInfo ii;
        if (child.getVisibility() != GONE && (ii = infoForChild(child)) != null) {
            int loff = (width + mPageMargin) * ii.position;
            int childLeft = getPaddingLeft() + loff;
            int childTop = getPaddingTop();
            if (DEBUG) {
                Log.v(TAG, "Positioning #" + i + " " + child + " f=" + ii.object + ":" + childLeft + ","
                        + childTop + " " + child.getMeasuredWidth() + "x" + child.getMeasuredHeight());
            }
            child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(),
                    childTop + child.getMeasuredHeight());
        }
    }
    mFirstLayout = false;
}

From source file:com.quran.labs.androidquran.widgets.SlidingUpPanelLayout.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    final int paddingLeft = getPaddingLeft();
    final int paddingTop = getPaddingTop();
    final int slidingTop = getSlidingTop();

    final int childCount = getChildCount();

    if (mFirstLayout) {
        switch (mSlideState) {
        case EXPANDED:
            mSlideOffset = mCanSlide ? 0.f : 1.f;
            break;
        case ANCHORED:
            mSlideOffset = mCanSlide ? mAnchorPoint : 1.f;
            break;
        default:/*w  ww.  j  ava2  s . co m*/
            mSlideOffset = 1.f;
            break;
        }
    }

    for (int i = 0; i < childCount; i++) {
        final View child = getChildAt(i);

        if (child.getVisibility() == GONE) {
            continue;
        }

        final LayoutParams lp = (LayoutParams) child.getLayoutParams();
        final int childHeight = child.getMeasuredHeight();

        if (lp.slideable) {
            mSlideRange = childHeight - mPanelHeight;
        }

        int childTop;
        if (mIsSlidingUp) {
            childTop = lp.slideable ? slidingTop + (int) (mSlideRange * mSlideOffset) : paddingTop;
        } else {
            childTop = lp.slideable ? slidingTop - (int) (mSlideRange * mSlideOffset) : paddingTop;
            if (!lp.slideable && !mOverlayContent) {
                childTop += mPanelHeight;
            }
        }
        final int childBottom = childTop + childHeight;
        final int childLeft = paddingLeft;
        final int childRight = childLeft + child.getMeasuredWidth();

        child.layout(childLeft, childTop, childRight, childBottom);
    }

    if (mFirstLayout) {
        updateObscuredViewVisibility();
    }

    mFirstLayout = false;
}

From source file:android.support.v7.widget.Toolbar.java

private int layoutChildLeft(View child, int left, int[] collapsingMargins, int alignmentHeight) {
    final LayoutParams lp = (LayoutParams) child.getLayoutParams();
    final int l = lp.leftMargin - collapsingMargins[0];
    left += Math.max(0, l);/* w ww .  jav  a 2 s  .  co m*/
    collapsingMargins[0] = Math.max(0, -l);
    final int top = getChildTop(child, alignmentHeight);
    final int childWidth = child.getMeasuredWidth();
    child.layout(left, top, left + childWidth, top + child.getMeasuredHeight());
    left += childWidth + lp.rightMargin;
    return left;
}

From source file:android.support.v7.widget.Toolbar.java

private int layoutChildRight(View child, int right, int[] collapsingMargins, int alignmentHeight) {
    final LayoutParams lp = (LayoutParams) child.getLayoutParams();
    final int r = lp.rightMargin - collapsingMargins[1];
    right -= Math.max(0, r);//from www  .jav  a2 s  . c  om
    collapsingMargins[1] = Math.max(0, -r);
    final int top = getChildTop(child, alignmentHeight);
    final int childWidth = child.getMeasuredWidth();
    child.layout(right - childWidth, top, right, top + child.getMeasuredHeight());
    right -= childWidth + lp.leftMargin;
    return right;
}

From source file:com.aidy.bottomdrawerlayout.AllDrawerLayout.java

/**
 * 12-03 22:59:19.686: I/BottomDrawerLayout(12480): onLayout() -- left = 0
 * -- top = 0 -- right = 1080 -- b = 1675 12-03 22:59:19.686:
 * I/BottomDrawerLayout(12480): onLayout() -- childWidth = 750 --
 * childHeight = 1675 -- lp.onScreen = 0.0 12-03 22:59:19.686:
 * I/BottomDrawerLayout(12480): onLayout() -- childLeft = -750 -- newOffset
 * = 0.0 12-03 22:59:19.686: I/BottomDrawerLayout(12480): onLayout() --
 * childWidth = 750 -- childHeight = 1675 -- lp.onScreen = 0.0 12-03
 * 22:59:19.686: I/BottomDrawerLayout(12480): onLayout() -- childLeft = 1080
 * -- newOffset = 0.0/*from w w  w. ja v a 2 s  .co m*/
 */
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    Log.i(TAG, "onLayout() -- left = " + l + " -- top = " + t + " -- right = " + r + " -- b = " + b);
    mInLayout = true;
    final int width = r - l;// 
    final int height = b - t;// 
    final int childCount = getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = getChildAt(i);
        if (child.getVisibility() == GONE) {
            continue;
        }
        final LayoutParams lp = (LayoutParams) child.getLayoutParams();
        if (isContentView(child)) {
            child.layout(lp.leftMargin, lp.topMargin, lp.leftMargin + child.getMeasuredWidth(),
                    lp.topMargin + child.getMeasuredHeight());
        } else {
            // ?view
            final int childWidth = child.getMeasuredWidth();
            final int childHeight = child.getMeasuredHeight();
            // Log.i(TAG, "onLayout() -- childWidth = " + childWidth +
            // " -- childHeight = " + childHeight
            // + " -- lp.onScreen = " + lp.onScreen);
            int childLeft = 0;// 
            int childTop = 0;// 
            float newOffset = 0;// 

            switch (getDrawerViewAbsoluteGravity(child)) {
            case Gravity.LEFT:
                if (checkDrawerViewAbsoluteGravity(child, Gravity.LEFT)) {
                    // Log.i(TAG, "onLayout() -- 1");
                    childLeft = -childWidth + (int) (childWidth * lp.onScreen);
                    newOffset = (float) (childWidth + childLeft) / childWidth;// ?
                }
                break;
            case Gravity.RIGHT:
                if (checkDrawerViewAbsoluteGravity(child, Gravity.RIGHT)) {
                    // Log.i(TAG, "onLayout() -- 2");
                    childLeft = width - (int) (childWidth * lp.onScreen);
                    newOffset = (float) (width - childLeft) / childWidth;// ?
                }
                break;
            case Gravity.TOP:
                if (checkDrawerViewAbsoluteGravity(child, Gravity.TOP)) {
                    // Log.i(TAG, "onLayout() -- 3");
                    childTop = -childHeight + (int) (childHeight * lp.onScreen);
                    newOffset = (float) (childHeight + childTop) / childHeight;// ?
                }
                break;
            case Gravity.BOTTOM:
                if (checkDrawerViewAbsoluteGravity(child, Gravity.BOTTOM)) {
                    // Log.i(TAG, "onLayout() -- 4");
                    childTop = height - (int) (childHeight * lp.onScreen);
                    newOffset = (float) (height - childTop) / childHeight;// ?
                }
                break;
            default:
                childTop = height - (int) (childHeight * lp.onScreen);
                newOffset = (float) (height - childTop) / childHeight;// ?
                break;
            }
            // /////////////////////////////////////////
            // Log.i(TAG, "onLayout() -- childLeft = " + childLeft +
            // " -- newOffset = " + newOffset);
            final boolean changeOffset = newOffset != lp.onScreen;
            final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK;
            switch (vgrav) {
            // case Gravity.TOP: {
            // Log.i(TAG, "onLayout() -- Gravity.TOP");
            // child.layout(childLeft, lp.topMargin, childLeft + childWidth,
            // lp.topMargin + childHeight);
            // break;
            // }
            // case Gravity.BOTTOM: {
            // Log.i(TAG, "onLayout() -- Gravity.BOTTOM");
            // child.layout(childLeft, height - lp.bottomMargin -
            // child.getMeasuredHeight(), childLeft
            // + childWidth, height - lp.bottomMargin);
            // break;
            // }
            case Gravity.CENTER_VERTICAL: {
                // Log.i(TAG, "onLayout() -- Gravity.CENTER_VERTICAL");
                int childTop_cv = (height - childHeight) / 2;

                // Offset for margins. If things don't fit right because of
                // bad measurement before, oh well.
                if (childTop_cv < lp.topMargin) {
                    childTop_cv = lp.topMargin;
                } else if (childTop_cv + childHeight > height - lp.bottomMargin) {
                    childTop_cv = height - lp.bottomMargin - childHeight;
                }
                child.layout(childLeft, childTop_cv, childLeft + childWidth, childTop_cv + childHeight);
                break;
            }
            }

            // /////////////////////////////////////////

            if (changeOffset) {
                setDrawerViewOffset(child, newOffset);
            }

            final int newVisibility = lp.onScreen > 0 ? VISIBLE : INVISIBLE;
            if (child.getVisibility() != newVisibility) {
                child.setVisibility(newVisibility);
            }
        }
    }
    mInLayout = false;
    mFirstLayout = false;
}

From source file:com.android.dialer.widget.OverlappingPaneLayout.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    mDragHelper.setEdgeTrackingEnabled(ViewDragHelper.EDGE_TOP);

    final int height = b - t;
    final int paddingTop = getPaddingTop();
    final int paddingBottom = getPaddingBottom();
    final int paddingLeft = getPaddingLeft();

    final int childCount = getChildCount();
    int yStart = paddingTop;
    int nextYStart = yStart;

    if (mFirstLayout) {
        mSlideOffset = mCanSlide && mPreservedOpenState ? 1.f : 0.f;
    }//from  w  w w .  j  a v  a  2s  .c om

    for (int i = 0; i < childCount; i++) {
        final View child = getChildAt(i);

        if (child.getVisibility() == GONE) {
            continue;
        }

        final LayoutParams lp = (LayoutParams) child.getLayoutParams();

        final int childHeight = child.getMeasuredHeight();

        if (lp.slideable) {
            final int margin = lp.topMargin + lp.bottomMargin;
            final int range = Math.min(nextYStart, height - paddingBottom - mOverhangSize) - yStart - margin;
            mSlideRange = range;
            final int lpMargin = lp.topMargin;
            final int pos = (int) (range * mSlideOffset);
            yStart += pos + lpMargin;
            updateSlideOffset(pos);
        } else {
            yStart = nextYStart;
        }

        final int childTop = yStart;
        final int childBottom = childTop + childHeight;
        final int childLeft = paddingLeft;
        final int childRight = childLeft + child.getMeasuredWidth();

        child.layout(childLeft, childTop, childRight, childBottom);

        nextYStart += child.getHeight();
    }

    if (mFirstLayout) {
        updateObscuredViewsVisibility(mSlideableView);
    }

    mFirstLayout = false;
}

From source file:com.vincestyling.traversaless.ViewPager.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    mInLayout = true;/*ww w.  ja va  2 s.  com*/
    populate();
    mInLayout = false;

    final int count = getChildCount();
    final int width = r - l;

    for (int i = 0; i < count; i++) {
        View child = getChildAt(i);
        ItemInfo ii;
        if (child.getVisibility() != GONE && (ii = infoForChild(child)) != null) {
            int loff = (width + mPageMargin) * (mDisableTraversal ? ii.tmpPosition : ii.position);
            int childLeft = getPaddingLeft() + loff;
            int childTop = getPaddingTop();
            if (DEBUG)
                Log.v(TAG, "Positioning #" + i + " " + child + " f=" + ii.object + ":" + childLeft + ","
                        + childTop + " " + child.getMeasuredWidth() + "x" + child.getMeasuredHeight());
            child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(),
                    childTop + child.getMeasuredHeight());
        }
    }
    mFirstLayout = false;
}

From source file:co.codecrunch.musicplayerlite.slidinguppanelhelper.SlidingUpPanelLayout.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    final int paddingLeft = getPaddingLeft();
    final int paddingTop = getPaddingTop();

    final int childCount = getChildCount();

    if (mFirstLayout) {
        switch (mSlideState) {
        case EXPANDED:
            mSlideOffset = 1.0f;/*from   w  w  w.  j  a va 2s .c  o  m*/
            break;
        case ANCHORED:
            mSlideOffset = mAnchorPoint;
            break;
        case HIDDEN:
            int newTop = computePanelTopPosition(0.0f) + (mIsSlidingUp ? +mPanelHeight : -mPanelHeight);
            mSlideOffset = computeSlideOffset(newTop);
            break;
        default:
            mSlideOffset = 0.f;
            break;
        }
    }

    for (int i = 0; i < childCount; i++) {
        final View child = getChildAt(i);
        final LayoutParams lp = (LayoutParams) child.getLayoutParams();

        // Always layout the sliding view on the first layout
        if (child.getVisibility() == GONE && (i == 0 || mFirstLayout)) {
            continue;
        }

        final int childHeight = child.getMeasuredHeight();
        int childTop = paddingTop;

        if (child == mSlideableView) {
            childTop = computePanelTopPosition(mSlideOffset);
        }

        if (!mIsSlidingUp) {
            if (child == mMainView && !mOverlayContent) {
                childTop = computePanelTopPosition(mSlideOffset) + mSlideableView.getMeasuredHeight();
            }
        }
        final int childBottom = childTop + childHeight;
        final int childLeft = paddingLeft + lp.leftMargin;
        final int childRight = childLeft + child.getMeasuredWidth();

        child.layout(childLeft, childTop, childRight, childBottom);
    }

    if (mFirstLayout) {
        updateObscuredViewVisibility();
    }
    applyParallaxForCurrentSlideOffset();

    mFirstLayout = false;
}