List of usage examples for android.view Gravity CENTER_HORIZONTAL
int CENTER_HORIZONTAL
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From source file:android.support.v7.widget.Toolbar.java
@Override protected void onLayout(boolean changed, int l, int t, int r, int b) { final boolean isRtl = ViewCompat.getLayoutDirection(this) == ViewCompat.LAYOUT_DIRECTION_RTL; final int width = getWidth(); final int height = getHeight(); final int paddingLeft = getPaddingLeft(); final int paddingRight = getPaddingRight(); final int paddingTop = getPaddingTop(); final int paddingBottom = getPaddingBottom(); int left = paddingLeft; int right = width - paddingRight; final int[] collapsingMargins = mTempMargins; collapsingMargins[0] = collapsingMargins[1] = 0; // Align views within the minimum toolbar height, if set. final int alignmentHeight = getMinimumHeightCompat(); if (shouldLayout(mNavButtonView)) { if (isRtl) { right = layoutChildRight(mNavButtonView, right, collapsingMargins, alignmentHeight); } else {/*from w w w.ja v a 2 s .c om*/ left = layoutChildLeft(mNavButtonView, left, collapsingMargins, alignmentHeight); } } if (shouldLayout(mCollapseButtonView)) { if (isRtl) { right = layoutChildRight(mCollapseButtonView, right, collapsingMargins, alignmentHeight); } else { left = layoutChildLeft(mCollapseButtonView, left, collapsingMargins, alignmentHeight); } } if (shouldLayout(mMenuView)) { if (isRtl) { left = layoutChildLeft(mMenuView, left, collapsingMargins, alignmentHeight); } else { right = layoutChildRight(mMenuView, right, collapsingMargins, alignmentHeight); } } collapsingMargins[0] = Math.max(0, getContentInsetLeft() - left); collapsingMargins[1] = Math.max(0, getContentInsetRight() - (width - paddingRight - right)); left = Math.max(left, getContentInsetLeft()); right = Math.min(right, width - paddingRight - getContentInsetRight()); if (shouldLayout(mExpandedActionView)) { if (isRtl) { right = layoutChildRight(mExpandedActionView, right, collapsingMargins, alignmentHeight); } else { left = layoutChildLeft(mExpandedActionView, left, collapsingMargins, alignmentHeight); } } if (shouldLayout(mLogoView)) { if (isRtl) { right = layoutChildRight(mLogoView, right, collapsingMargins, alignmentHeight); } else { left = layoutChildLeft(mLogoView, left, collapsingMargins, alignmentHeight); } } final boolean layoutTitle = shouldLayout(mTitleTextView); final boolean layoutSubtitle = shouldLayout(mSubtitleTextView); int titleHeight = 0; if (layoutTitle) { final LayoutParams lp = (LayoutParams) mTitleTextView.getLayoutParams(); titleHeight += lp.topMargin + mTitleTextView.getMeasuredHeight() + lp.bottomMargin; } if (layoutSubtitle) { final LayoutParams lp = (LayoutParams) mSubtitleTextView.getLayoutParams(); titleHeight += lp.topMargin + mSubtitleTextView.getMeasuredHeight() + lp.bottomMargin; } if (layoutTitle || layoutSubtitle) { int titleTop; final View topChild = layoutTitle ? mTitleTextView : mSubtitleTextView; final View bottomChild = layoutSubtitle ? mSubtitleTextView : mTitleTextView; final LayoutParams toplp = (LayoutParams) topChild.getLayoutParams(); final LayoutParams bottomlp = (LayoutParams) bottomChild.getLayoutParams(); final boolean titleHasWidth = layoutTitle && mTitleTextView.getMeasuredWidth() > 0 || layoutSubtitle && mSubtitleTextView.getMeasuredWidth() > 0; switch (mGravity & Gravity.VERTICAL_GRAVITY_MASK) { case Gravity.TOP: titleTop = getPaddingTop() + toplp.topMargin + mTitleMarginTop; break; default: case Gravity.CENTER_VERTICAL: final int space = height - paddingTop - paddingBottom; int spaceAbove = (space - titleHeight) / 2; if (spaceAbove < toplp.topMargin + mTitleMarginTop) { spaceAbove = toplp.topMargin + mTitleMarginTop; } else { final int spaceBelow = height - paddingBottom - titleHeight - spaceAbove - paddingTop; if (spaceBelow < toplp.bottomMargin + mTitleMarginBottom) { spaceAbove = Math.max(0, spaceAbove - (bottomlp.bottomMargin + mTitleMarginBottom - spaceBelow)); } } titleTop = paddingTop + spaceAbove; break; case Gravity.BOTTOM: titleTop = height - paddingBottom - bottomlp.bottomMargin - mTitleMarginBottom - titleHeight; break; } if (isRtl) { final int rd = (titleHasWidth ? mTitleMarginStart : 0) - collapsingMargins[1]; right -= Math.max(0, rd); collapsingMargins[1] = Math.max(0, -rd); int titleRight = right; int subtitleRight = right; if (layoutTitle) { final LayoutParams lp = (LayoutParams) mTitleTextView.getLayoutParams(); final int titleLeft = titleRight - mTitleTextView.getMeasuredWidth(); final int titleBottom = titleTop + mTitleTextView.getMeasuredHeight(); mTitleTextView.layout(titleLeft, titleTop, titleRight, titleBottom); titleRight = titleLeft - mTitleMarginEnd; titleTop = titleBottom + lp.bottomMargin; } if (layoutSubtitle) { final LayoutParams lp = (LayoutParams) mSubtitleTextView.getLayoutParams(); titleTop += lp.topMargin; final int subtitleLeft = subtitleRight - mSubtitleTextView.getMeasuredWidth(); final int subtitleBottom = titleTop + mSubtitleTextView.getMeasuredHeight(); mSubtitleTextView.layout(subtitleLeft, titleTop, subtitleRight, subtitleBottom); subtitleRight = subtitleRight - mTitleMarginEnd; titleTop = subtitleBottom + lp.bottomMargin; } if (titleHasWidth) { right = Math.min(titleRight, subtitleRight); } } else { final int ld = (titleHasWidth ? mTitleMarginStart : 0) - collapsingMargins[0]; left += Math.max(0, ld); collapsingMargins[0] = Math.max(0, -ld); int titleLeft = left; int subtitleLeft = left; if (layoutTitle) { final LayoutParams lp = (LayoutParams) mTitleTextView.getLayoutParams(); final int titleRight = titleLeft + mTitleTextView.getMeasuredWidth(); final int titleBottom = titleTop + mTitleTextView.getMeasuredHeight(); mTitleTextView.layout(titleLeft, titleTop, titleRight, titleBottom); titleLeft = titleRight + mTitleMarginEnd; titleTop = titleBottom + lp.bottomMargin; } if (layoutSubtitle) { final LayoutParams lp = (LayoutParams) mSubtitleTextView.getLayoutParams(); titleTop += lp.topMargin; final int subtitleRight = subtitleLeft + mSubtitleTextView.getMeasuredWidth(); final int subtitleBottom = titleTop + mSubtitleTextView.getMeasuredHeight(); mSubtitleTextView.layout(subtitleLeft, titleTop, subtitleRight, subtitleBottom); subtitleLeft = subtitleRight + mTitleMarginEnd; titleTop = subtitleBottom + lp.bottomMargin; } if (titleHasWidth) { left = Math.max(titleLeft, subtitleLeft); } } } // Get all remaining children sorted for layout. This is all prepared // such that absolute layout direction can be used below. addCustomViewsWithGravity(mTempViews, Gravity.LEFT); final int leftViewsCount = mTempViews.size(); for (int i = 0; i < leftViewsCount; i++) { left = layoutChildLeft(mTempViews.get(i), left, collapsingMargins, alignmentHeight); } addCustomViewsWithGravity(mTempViews, Gravity.RIGHT); final int rightViewsCount = mTempViews.size(); for (int i = 0; i < rightViewsCount; i++) { right = layoutChildRight(mTempViews.get(i), right, collapsingMargins, alignmentHeight); } // Centered views try to center with respect to the whole bar, but views pinned // to the left or right can push the mass of centered views to one side or the other. addCustomViewsWithGravity(mTempViews, Gravity.CENTER_HORIZONTAL); final int centerViewsWidth = getViewListMeasuredWidth(mTempViews, collapsingMargins); final int parentCenter = paddingLeft + (width - paddingLeft - paddingRight) / 2; final int halfCenterViewsWidth = centerViewsWidth / 2; int centerLeft = parentCenter - halfCenterViewsWidth; final int centerRight = centerLeft + centerViewsWidth; if (centerLeft < left) { centerLeft = left; } else if (centerRight > right) { centerLeft -= centerRight - right; } final int centerViewsCount = mTempViews.size(); for (int i = 0; i < centerViewsCount; i++) { centerLeft = layoutChildLeft(mTempViews.get(i), centerLeft, collapsingMargins, alignmentHeight); } mTempViews.clear(); }
From source file:android.support.v7.widget.LinearLayoutCompat.java
/** * Position the children during a layout pass if the orientation of this * LinearLayout is set to {@link #HORIZONTAL}. * * @see #getOrientation()//from ww w. j a v a2s . co m * @see #setOrientation(int) * @see #onLayout(boolean, int, int, int, int) * @param left * @param top * @param right * @param bottom */ void layoutHorizontal(int left, int top, int right, int bottom) { final boolean isLayoutRtl = ViewUtils.isLayoutRtl(this); final int paddingTop = getPaddingTop(); int childTop; int childLeft; // Where bottom of child should go final int height = bottom - top; int childBottom = height - getPaddingBottom(); // Space available for child int childSpace = height - paddingTop - getPaddingBottom(); final int count = getVirtualChildCount(); final int majorGravity = mGravity & GravityCompat.RELATIVE_HORIZONTAL_GRAVITY_MASK; final int minorGravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; final boolean baselineAligned = mBaselineAligned; final int[] maxAscent = mMaxAscent; final int[] maxDescent = mMaxDescent; final int layoutDirection = ViewCompat.getLayoutDirection(this); switch (GravityCompat.getAbsoluteGravity(majorGravity, layoutDirection)) { case Gravity.RIGHT: // mTotalLength contains the padding already childLeft = getPaddingLeft() + right - left - mTotalLength; break; case Gravity.CENTER_HORIZONTAL: // mTotalLength contains the padding already childLeft = getPaddingLeft() + (right - left - mTotalLength) / 2; break; case Gravity.LEFT: default: childLeft = getPaddingLeft(); break; } int start = 0; int dir = 1; //In case of RTL, start drawing from the last child. if (isLayoutRtl) { start = count - 1; dir = -1; } for (int i = 0; i < count; i++) { int childIndex = start + dir * i; final View child = getVirtualChildAt(childIndex); if (child == null) { childLeft += measureNullChild(childIndex); } else if (child.getVisibility() != GONE) { final int childWidth = child.getMeasuredWidth(); final int childHeight = child.getMeasuredHeight(); int childBaseline = -1; final LinearLayoutCompat.LayoutParams lp = (LinearLayoutCompat.LayoutParams) child .getLayoutParams(); if (baselineAligned && lp.height != LayoutParams.MATCH_PARENT) { childBaseline = child.getBaseline(); } int gravity = lp.gravity; if (gravity < 0) { gravity = minorGravity; } switch (gravity & Gravity.VERTICAL_GRAVITY_MASK) { case Gravity.TOP: childTop = paddingTop + lp.topMargin; if (childBaseline != -1) { childTop += maxAscent[INDEX_TOP] - childBaseline; } break; case Gravity.CENTER_VERTICAL: // Removed support for baseline alignment when layout_gravity or // gravity == center_vertical. See bug #1038483. // Keep the code around if we need to re-enable this feature // if (childBaseline != -1) { // // Align baselines vertically only if the child is smaller than us // if (childSpace - childHeight > 0) { // childTop = paddingTop + (childSpace / 2) - childBaseline; // } else { // childTop = paddingTop + (childSpace - childHeight) / 2; // } // } else { childTop = paddingTop + ((childSpace - childHeight) / 2) + lp.topMargin - lp.bottomMargin; break; case Gravity.BOTTOM: childTop = childBottom - childHeight - lp.bottomMargin; if (childBaseline != -1) { int descent = child.getMeasuredHeight() - childBaseline; childTop -= (maxDescent[INDEX_BOTTOM] - descent); } break; default: childTop = paddingTop; break; } if (hasDividerBeforeChildAt(childIndex)) { childLeft += mDividerWidth; } childLeft += lp.leftMargin; setChildFrame(child, childLeft + getLocationOffset(child), childTop, childWidth, childHeight); childLeft += childWidth + lp.rightMargin + getNextLocationOffset(child); i += getChildrenSkipCount(child, childIndex); } } }
From source file:com.autoscrollloopviewpager.widget.LoopViewPager.java
@Override protected void onLayout(boolean changed, int l, int t, int r, int b) { final int count = getChildCount(); int width = r - l; int height = b - t; int paddingLeft = getPaddingLeft(); int paddingTop = getPaddingTop(); int paddingRight = getPaddingRight(); int paddingBottom = getPaddingBottom(); final int scrollX = getScrollX(); int decorCount = 0; // First pass - decor views. We need to do this in two passes so that // we have the proper offsets for non-decor views later. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); int childLeft = 0; int childTop = 0; if (lp.isDecor) { final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getMeasuredWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; }//from w w w .j a v a2 s.c o m switch (vgrav) { default: childTop = paddingTop; break; case Gravity.TOP: childTop = paddingTop; paddingTop += child.getMeasuredHeight(); break; case Gravity.CENTER_VERTICAL: childTop = Math.max((height - child.getMeasuredHeight()) / 2, paddingTop); break; case Gravity.BOTTOM: childTop = height - paddingBottom - child.getMeasuredHeight(); paddingBottom += child.getMeasuredHeight(); break; } childLeft += scrollX; child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(), childTop + child.getMeasuredHeight()); decorCount++; } } } final int childWidth = width - paddingLeft - paddingRight; // Page views. Do this once we have the right padding offsets from above. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); ItemInfo ii; if (!lp.isDecor && (ii = infoForChild(child)) != null) { int loff = (int) (childWidth * ii.offset); int childLeft = paddingLeft + loff; int childTop = paddingTop; if (lp.needsMeasure) { // This was added during layout and needs measurement. // Do it now that we know what we're working with. lp.needsMeasure = false; final int widthSpec = MeasureSpec.makeMeasureSpec((int) (childWidth * lp.widthFactor), MeasureSpec.EXACTLY); final int heightSpec = MeasureSpec .makeMeasureSpec((int) (height - paddingTop - paddingBottom), MeasureSpec.EXACTLY); child.measure(widthSpec, heightSpec); } 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()); } } } mTopPageBounds = paddingTop; mBottomPageBounds = height - paddingBottom; mDecorChildCount = decorCount; if (mFirstLayout) { scrollToItem(mCurItem, false, 0, false); } mFirstLayout = false; }
From source file:VerticalViewPager.java
@Override protected void onLayout(boolean changed, int l, int t, int r, int b) { final int count = getChildCount(); int width = r - l; int height = b - t; int paddingLeft = getPaddingLeft(); int paddingTop = getPaddingTop(); int paddingRight = getPaddingRight(); int paddingBottom = getPaddingBottom(); final int scrollY = getScrollY(); int decorCount = 0; // First pass - decor views. We need to do this in two passes so that // we have the proper offsets for non-decor views later. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); int childLeft = 0; int childTop = 0; if (lp.isDecor) { final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getMeasuredWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; }//from w ww .j a v a 2 s .c o m switch (vgrav) { default: childTop = paddingTop; break; case Gravity.TOP: childTop = paddingTop; paddingTop += child.getMeasuredHeight(); break; case Gravity.CENTER_VERTICAL: childTop = Math.max((height - child.getMeasuredHeight()) / 2, paddingTop); break; case Gravity.BOTTOM: childTop = height - paddingBottom - child.getMeasuredHeight(); paddingBottom += child.getMeasuredHeight(); break; } childTop += scrollY; child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(), childTop + child.getMeasuredHeight()); decorCount++; } } } final int childWidth = width - paddingLeft - paddingRight; final int childHeight = height - paddingTop - paddingBottom; // Page views. Do this once we have the right padding offsets from above. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); ItemInfo ii; if (!lp.isDecor && (ii = infoForChild(child)) != null) { int toff = (int) (childHeight * ii.offset); int childLeft = paddingLeft; int childTop = paddingTop + toff; if (lp.needsMeasure) { // This was added during layout and needs measurement. // Do it now that we know what we're working with. lp.needsMeasure = false; final int widthSpec = MeasureSpec .makeMeasureSpec((int) (width - paddingLeft - paddingRight), MeasureSpec.EXACTLY); final int heightSpec = MeasureSpec.makeMeasureSpec((int) (childHeight * lp.heightFactor), MeasureSpec.EXACTLY); child.measure(widthSpec, heightSpec); } 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()); } } } mLeftPageBounds = paddingLeft; mRightPageBounds = width - paddingRight; mDecorChildCount = decorCount; if (mFirstLayout) { scrollToItem(mCurItem, false, 0, false); } mFirstLayout = false; }
From source file:com.ok.utils.widget.ViewPagerModify.java
@Override protected void onLayout(boolean changed, int l, int t, int r, int b) { final int count = getChildCount(); int width = r - l; int height = b - t; int paddingLeft = getPaddingLeft(); int paddingTop = getPaddingTop(); int paddingRight = getPaddingRight(); int paddingBottom = getPaddingBottom(); final int scrollX = getScrollX(); int decorCount = 0; // First pass - decor views. We need to do this in two passes so that // we have the proper offsets for non-decor views later. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); int childLeft = 0; int childTop = 0; if (lp.isDecor) { final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getMeasuredWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; }/*ww w . j a va2s .com*/ switch (vgrav) { default: childTop = paddingTop; break; case Gravity.TOP: childTop = paddingTop; paddingTop += child.getMeasuredHeight(); break; case Gravity.CENTER_VERTICAL: childTop = Math.max((height - child.getMeasuredHeight()) / 2, paddingTop); break; case Gravity.BOTTOM: childTop = height - paddingBottom - child.getMeasuredHeight(); paddingBottom += child.getMeasuredHeight(); break; } childLeft += scrollX; child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(), childTop + child.getMeasuredHeight()); decorCount++; } } } final int childWidth = width - paddingLeft - paddingRight; // Page views. Do this once we have the right padding offsets from above. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); ItemInfo ii; if (!lp.isDecor && (ii = infoForChild(child)) != null) { int loff = (int) (childWidth * ii.offset); int childLeft = paddingLeft + loff; int childTop = paddingTop; if (lp.needsMeasure) { // This was added during layout and needs measurement. // Do it now that we know what we're working with. lp.needsMeasure = false; final int widthSpec = MeasureSpec.makeMeasureSpec((int) (childWidth * lp.widthFactor), MeasureSpec.EXACTLY); final int heightSpec = MeasureSpec .makeMeasureSpec((int) (height - paddingTop - paddingBottom), MeasureSpec.EXACTLY); child.measure(widthSpec, heightSpec); } if (DEBUG) LogUtils.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()); } } } mTopPageBounds = paddingTop; mBottomPageBounds = height - paddingBottom; mDecorChildCount = decorCount; if (mFirstLayout) { scrollToItem(mCurItem, false, 0, false); } mFirstLayout = false; }
From source file:com.albedinsky.android.support.ui.widget.ViewPager.java
@Override protected void onLayout(boolean changed, int l, int t, int r, int b) { final int count = getChildCount(); int width = r - l; int height = b - t; int paddingLeft = getPaddingLeft(); int paddingTop = getPaddingTop(); int paddingRight = getPaddingRight(); int paddingBottom = getPaddingBottom(); final int scrollX = getScrollX(); int decorCount = 0; // First pass - decor views. We need to do this in two passes so that // we have the proper offsets for non-decor views later. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); int childLeft = 0; int childTop = 0; if (lp.isDecor) { final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getMeasuredWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; }/*from w w w . j a v a 2 s. c om*/ switch (vgrav) { default: childTop = paddingTop; break; case Gravity.TOP: childTop = paddingTop; paddingTop += child.getMeasuredHeight(); break; case Gravity.CENTER_VERTICAL: childTop = Math.max((height - child.getMeasuredHeight()) / 2, paddingTop); break; case Gravity.BOTTOM: childTop = height - paddingBottom - child.getMeasuredHeight(); paddingBottom += child.getMeasuredHeight(); break; } childLeft += scrollX; child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(), childTop + child.getMeasuredHeight()); decorCount++; } } } final int childWidth = width - paddingLeft - paddingRight; // Page views. Do this once we have the right padding offsets from above. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); ItemInfo ii; if (!lp.isDecor && (ii = infoForChild(child)) != null) { int loff = (int) (childWidth * ii.offset); int childLeft = paddingLeft + loff; int childTop = paddingTop; if (lp.needsMeasure) { // This was added during layout and needs measurement. // Do it now that we know what we're working with. lp.needsMeasure = false; final int widthSpec = MeasureSpec.makeMeasureSpec((int) (childWidth * lp.widthFactor), MeasureSpec.EXACTLY); final int heightSpec = MeasureSpec .makeMeasureSpec((int) (height - paddingTop - paddingBottom), MeasureSpec.EXACTLY); child.measure(widthSpec, heightSpec); } if (DEBUG_ENABLED) 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()); } } } mTopPageBounds = paddingTop; mBottomPageBounds = height - paddingBottom; mDecorChildCount = decorCount; if (mFirstLayout) { scrollToItem(mCurItem, false, 0, false); } mFirstLayout = false; }
From source file:com.mobilesolutionworks.android.imagepaging.ImageViewPager.java
@SuppressLint("RtlHardcoded") @Override// w ww . j a v a 2s .c o m protected void onLayout(boolean changed, int l, int t, int r, int b) { final int count = getChildCount(); int width = r - l; int height = b - t; int paddingLeft = getPaddingLeft(); int paddingTop = getPaddingTop(); int paddingRight = getPaddingRight(); int paddingBottom = getPaddingBottom(); final int scrollX = getScrollX(); int decorCount = 0; // First pass - decor views. We need to do this in two passes so that // we have the proper offsets for non-decor views later. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); int childLeft = 0; int childTop = 0; if (lp.isDecor) { final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getMeasuredWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; } switch (vgrav) { default: childTop = paddingTop; break; case Gravity.TOP: childTop = paddingTop; paddingTop += child.getMeasuredHeight(); break; case Gravity.CENTER_VERTICAL: childTop = Math.max((height - child.getMeasuredHeight()) / 2, paddingTop); break; case Gravity.BOTTOM: childTop = height - paddingBottom - child.getMeasuredHeight(); paddingBottom += child.getMeasuredHeight(); break; } childLeft += scrollX; child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(), childTop + child.getMeasuredHeight()); decorCount++; } } } final int childWidth = width - paddingLeft - paddingRight; // Page views. Do this once we have the right padding offsets from above. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); ItemInfo ii; if (!lp.isDecor && (ii = infoForChild(child)) != null) { int loff = (int) (childWidth * ii.offset); int childLeft = paddingLeft + loff; int childTop = paddingTop; if (lp.needsMeasure) { // This was added during layout and needs measurement. // Do it now that we know what we're working with. lp.needsMeasure = false; final int widthSpec = MeasureSpec.makeMeasureSpec((int) (childWidth * lp.widthFactor), MeasureSpec.EXACTLY); final int heightSpec = MeasureSpec .makeMeasureSpec((int) (height - paddingTop - paddingBottom), MeasureSpec.EXACTLY); child.measure(widthSpec, heightSpec); } 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()); } } } mTopPageBounds = paddingTop; mBottomPageBounds = height - paddingBottom; mDecorChildCount = decorCount; if (mFirstLayout) { scrollToItem(mCurItem, false, 0, false); } mFirstLayout = false; }
From source file:io.github.clendy.leanback.widget.GridLayoutManager.java
private void layoutChild(int rowIndex, View v, int start, int end, int startSecondary) { if (TRACE)//from ww w.ja v a 2 s. c o m TraceHelper.beginSection("layoutChild"); int sizeSecondary = mOrientation == HORIZONTAL ? v.getMeasuredHeight() : v.getMeasuredWidth(); if (mFixedRowSizeSecondary > 0) { sizeSecondary = Math.min(sizeSecondary, mFixedRowSizeSecondary); } final int verticalGravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; final int horizontalGravity = (mReverseFlowPrimary || mReverseFlowSecondary) ? Gravity.getAbsoluteGravity(mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK, View.LAYOUT_DIRECTION_RTL) : mGravity & Gravity.HORIZONTAL_GRAVITY_MASK; if (mOrientation == HORIZONTAL && verticalGravity == Gravity.TOP || mOrientation == VERTICAL && horizontalGravity == Gravity.LEFT) { // do nothing } else if (mOrientation == HORIZONTAL && verticalGravity == Gravity.BOTTOM || mOrientation == VERTICAL && horizontalGravity == Gravity.RIGHT) { startSecondary += getRowSizeSecondary(rowIndex) - sizeSecondary; } else if (mOrientation == HORIZONTAL && verticalGravity == Gravity.CENTER_VERTICAL || mOrientation == VERTICAL && horizontalGravity == Gravity.CENTER_HORIZONTAL) { startSecondary += (getRowSizeSecondary(rowIndex) - sizeSecondary) / 2; } int left, top, right, bottom; if (mOrientation == HORIZONTAL) { left = start; top = startSecondary; right = end; bottom = startSecondary + sizeSecondary; } else { top = start; left = startSecondary; bottom = end; right = startSecondary + sizeSecondary; } v.layout(left, top, right, bottom); updateChildOpticalInsets(v, left, top, right, bottom); updateChildAlignments(v); if (TRACE) TraceHelper.endSection(); }
From source file:android.improving.utils.views.cardsview.OrientedViewPager.java
@Override protected void onLayout(boolean changed, int l, int t, int r, int b) { final int count = getChildCount(); int width = r - l; int height = b - t; int paddingLeft = getPaddingLeft(); int paddingTop = getPaddingTop(); int paddingRight = getPaddingRight(); int paddingBottom = getPaddingBottom(); final int scroll = (mOrientation == Orientation.VERTICAL) ? getScrollY() : getScrollX(); int decorCount = 0; // First pass - decor views. We need to do this in two passes so that // we have the proper offsets for non-decor views later. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); int childLeft = 0; int childTop = 0; if (lp.isDecor) { final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getMeasuredWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; }/*from w w w.ja v a2s . co m*/ switch (vgrav) { default: childTop = paddingTop; break; case Gravity.TOP: childTop = paddingTop; paddingTop += child.getMeasuredHeight(); break; case Gravity.CENTER_VERTICAL: childTop = Math.max((height - child.getMeasuredHeight()) / 2, paddingTop); break; case Gravity.BOTTOM: childTop = height - paddingBottom - child.getMeasuredHeight(); paddingBottom += child.getMeasuredHeight(); break; } if (mOrientation == Orientation.VERTICAL) { childTop += scroll; } else { childLeft += scroll; } child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(), childTop + child.getMeasuredHeight()); decorCount++; } } } final int childSize = (mOrientation == Orientation.VERTICAL) ? height - paddingTop - paddingBottom : width - paddingLeft - paddingRight; // Page views. Do this once we have the right padding offsets from above. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); ItemInfo ii; if (!lp.isDecor && (ii = infoForChild(child)) != null) { int topLeftoff = (int) (childSize * ii.offset); int childLeft; int childTop; if (mOrientation == Orientation.VERTICAL) { childLeft = paddingLeft; childTop = paddingTop + topLeftoff; if (lp.needsMeasure) { // This was added during layout and needs measurement. // Do it now that we know what we're working with. lp.needsMeasure = false; final int widthSpec = MeasureSpec.makeMeasureSpec( (int) (width - paddingLeft - paddingRight), MeasureSpec.EXACTLY); final int heightSpec = MeasureSpec.makeMeasureSpec((int) (childSize * lp.heightFactor), MeasureSpec.EXACTLY); child.measure(widthSpec, heightSpec); } } else { childLeft = paddingLeft + topLeftoff; childTop = paddingTop; if (lp.needsMeasure) { // This was added during layout and needs measurement. // Do it now that we know what we're working with. lp.needsMeasure = false; final int widthSpec = MeasureSpec.makeMeasureSpec((int) (childSize * lp.widthFactor), MeasureSpec.EXACTLY); final int heightSpec = MeasureSpec.makeMeasureSpec( (int) (height - paddingTop - paddingBottom), MeasureSpec.EXACTLY); child.measure(widthSpec, heightSpec); } } 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()); } } } mTopLeftPageBounds = (mOrientation == Orientation.VERTICAL) ? paddingLeft : paddingTop; mBottomRightPageBounds = (mOrientation == Orientation.VERTICAL) ? width - paddingRight : height - paddingBottom; mDecorChildCount = decorCount; if (mFirstLayout) { scrollToItem(mCurItem, false, 0, false); } mFirstLayout = false; }
From source file:com.telerik.primitives.ExampleViewPagerBase.java
@Override protected void onLayout(boolean changed, int l, int t, int r, int b) { final int count = getChildCount(); int width = r - l; int height = b - t; int paddingLeft = getPaddingLeft(); int paddingTop = getPaddingTop(); int paddingRight = getPaddingRight(); int paddingBottom = getPaddingBottom(); final int scrollPosition = getScroll(this); int decorCount = 0; // First pass - decor views. We need to do this in two passes so that // we have the proper offsets for non-decor views later. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); int childLeft = 0; int childTop = 0; if (lp.isDecor) { final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getMeasuredWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; }//w ww. ja v a 2 s . com switch (vgrav) { default: childTop = paddingTop; break; case Gravity.TOP: childTop = paddingTop; paddingTop += child.getMeasuredHeight(); break; case Gravity.CENTER_VERTICAL: childTop = Math.max((height - child.getMeasuredHeight()) / 2, paddingTop); break; case Gravity.BOTTOM: childTop = height - paddingBottom - child.getMeasuredHeight(); paddingBottom += child.getMeasuredHeight(); break; } if (this.orientation == LinearLayout.HORIZONTAL) { childLeft += scrollPosition; } else { childTop += scrollPosition; } child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(), childTop + child.getMeasuredHeight()); decorCount++; } } } final int childLength = this.orientation == LinearLayout.HORIZONTAL ? width - paddingLeft - paddingRight : height - paddingTop - paddingBottom; // Page views. Do this once we have the right padding offsets from above. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); ItemInfo ii; if (!lp.isDecor && (ii = infoForChild(child)) != null) { int loff = (int) (childLength * ii.offset); int childLeft = paddingLeft; int childTop = paddingTop; if (this.orientation == LinearLayout.HORIZONTAL) { childLeft += loff; } else { childTop += loff; } if (lp.needsMeasure) { // This was added during layout and needs measurement. // Do it now that we know what we're working with. lp.needsMeasure = false; final int widthSpec; final int heightSpec; if (this.orientation == LinearLayout.HORIZONTAL) { widthSpec = MeasureSpec.makeMeasureSpec((int) (childLength * lp.widthFactor), MeasureSpec.EXACTLY); heightSpec = MeasureSpec.makeMeasureSpec(height - paddingTop - paddingBottom, MeasureSpec.EXACTLY); } else { widthSpec = MeasureSpec.makeMeasureSpec(width - paddingLeft - paddingRight, MeasureSpec.EXACTLY); heightSpec = MeasureSpec.makeMeasureSpec((int) (childLength * lp.widthFactor), MeasureSpec.EXACTLY); } child.measure(widthSpec, heightSpec); } 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()); } } } mTopPageBounds = paddingTop; mLeftPageBounds = paddingLeft; mBottomPageBounds = height - paddingBottom; mDecorChildCount = decorCount; if (mFirstLayout) { scrollToItem(mCurItem, false, 0, false); } mFirstLayout = false; }