List of usage examples for android.view View getMeasuredWidth
public final int getMeasuredWidth()
From source file:com.android.leanlauncher.LauncherTransitionable.java
/** * Zoom the camera back into the workspace, hiding 'fromView'. * This is the opposite of showAppsCustomizeHelper. * * @param animated If true, the transition will be animated. *//*from ww w .j a v a 2 s . co m*/ private void hideAppsCustomizeHelper(Workspace.State toState, final boolean animated, final boolean springLoaded, final Runnable onCompleteRunnable) { if (mStateAnimation != null) { mStateAnimation.setDuration(0); mStateAnimation.cancel(); mStateAnimation = null; } boolean material = Utilities.isLmpOrAbove(); Resources res = getResources(); final int revealDuration = res.getInteger(R.integer.config_appsCustomizeConcealTime); final int itemsAlphaStagger = res.getInteger(R.integer.config_appsCustomizeItemsAlphaStagger); final View fromView = mAppsCustomizeTabHost; final View toView = mWorkspace; Animator workspaceAnim = null; final ArrayList<View> layerViews = new ArrayList<View>(); if (toState == Workspace.State.NORMAL) { workspaceAnim = mWorkspace.getChangeStateAnimation(toState, animated, layerViews); } else if (toState == Workspace.State.SPRING_LOADED || toState == Workspace.State.OVERVIEW) { workspaceAnim = mWorkspace.getChangeStateAnimation(toState, animated, layerViews); } // If for some reason our views aren't initialized, don't animate boolean initialized = getAllAppsButton() != null; if (animated && initialized) { mStateAnimation = LauncherAnimUtils.createAnimatorSet(); if (workspaceAnim != null) { mStateAnimation.play(workspaceAnim); } final AppsCustomizePagedView content = (AppsCustomizePagedView) fromView .findViewById(R.id.apps_customize_pane_content); final View page = content.getPageAt(content.getNextPage()); // We need to hide side pages of the Apps / Widget tray to avoid some ugly edge cases int count = content.getChildCount(); for (int i = 0; i < count; i++) { View child = content.getChildAt(i); if (child != page) { child.setVisibility(View.INVISIBLE); } } final View revealView = fromView.findViewById(R.id.fake_page); // hideAppsCustomizeHelper is called in some cases when it is already hidden // don't perform all these no-op animations. In particularly, this was causing // the all-apps button to pop in and out. if (fromView.getVisibility() == View.VISIBLE) { AppsCustomizePagedView.ContentType contentType = content.getContentType(); final boolean isWidgetTray = contentType == AppsCustomizePagedView.ContentType.Widgets; revealView.setBackgroundColor(getResources().getColor(R.color.widget_text_panel)); int width = revealView.getMeasuredWidth(); int height = revealView.getMeasuredHeight(); float revealRadius = (float) Math.sqrt((width * width) / 4 + (height * height) / 4); // Hide the real page background, and swap in the fake one revealView.setVisibility(View.VISIBLE); content.setPageBackgroundsVisible(false); final View allAppsButton = getAllAppsButton(); revealView.setTranslationY(0); int[] allAppsToPanelDelta = Utilities.getCenterDeltaInScreenSpace(revealView, allAppsButton, null); float xDrift = 0; float yDrift = 0; if (material) { yDrift = isWidgetTray ? height / 2 : allAppsToPanelDelta[1]; xDrift = isWidgetTray ? 0 : allAppsToPanelDelta[0]; } else { yDrift = 2 * height / 3; xDrift = 0; } revealView.setLayerType(View.LAYER_TYPE_HARDWARE, null); TimeInterpolator decelerateInterpolator = material ? new LogDecelerateInterpolator(100, 0) : new DecelerateInterpolator(1f); // The vertical motion of the apps panel should be delayed by one frame // from the conceal animation in order to give the right feel. We correpsondingly // shorten the duration so that the slide and conceal end at the same time. ObjectAnimator panelDriftY = LauncherAnimUtils.ofFloat(revealView, "translationY", 0, yDrift); panelDriftY.setDuration(revealDuration - SINGLE_FRAME_DELAY); panelDriftY.setStartDelay(itemsAlphaStagger + SINGLE_FRAME_DELAY); panelDriftY.setInterpolator(decelerateInterpolator); mStateAnimation.play(panelDriftY); ObjectAnimator panelDriftX = LauncherAnimUtils.ofFloat(revealView, "translationX", 0, xDrift); panelDriftX.setDuration(revealDuration - SINGLE_FRAME_DELAY); panelDriftX.setStartDelay(itemsAlphaStagger + SINGLE_FRAME_DELAY); panelDriftX.setInterpolator(decelerateInterpolator); mStateAnimation.play(panelDriftX); if (isWidgetTray || !material) { float finalAlpha = material ? 0.4f : 0f; revealView.setAlpha(1f); ObjectAnimator panelAlpha = LauncherAnimUtils.ofFloat(revealView, "alpha", 1f, finalAlpha); panelAlpha.setDuration(material ? revealDuration : 150); panelAlpha.setInterpolator(decelerateInterpolator); panelAlpha.setStartDelay(material ? 0 : itemsAlphaStagger + SINGLE_FRAME_DELAY); mStateAnimation.play(panelAlpha); } if (page != null) { page.setLayerType(View.LAYER_TYPE_HARDWARE, null); ObjectAnimator pageDrift = LauncherAnimUtils.ofFloat(page, "translationY", 0, yDrift); page.setTranslationY(0); pageDrift.setDuration(revealDuration - SINGLE_FRAME_DELAY); pageDrift.setInterpolator(decelerateInterpolator); pageDrift.setStartDelay(itemsAlphaStagger + SINGLE_FRAME_DELAY); mStateAnimation.play(pageDrift); page.setAlpha(1f); ObjectAnimator itemsAlpha = LauncherAnimUtils.ofFloat(page, "alpha", 1f, 0f); itemsAlpha.setDuration(100); itemsAlpha.setInterpolator(decelerateInterpolator); mStateAnimation.play(itemsAlpha); } View pageIndicators = fromView.findViewById(R.id.apps_customize_page_indicator); pageIndicators.setAlpha(1f); ObjectAnimator indicatorsAlpha = LauncherAnimUtils.ofFloat(pageIndicators, "alpha", 0f); indicatorsAlpha.setDuration(revealDuration); indicatorsAlpha.setInterpolator(new DecelerateInterpolator(1.5f)); mStateAnimation.play(indicatorsAlpha); width = revealView.getMeasuredWidth(); if (material) { if (!isWidgetTray) { allAppsButton.setVisibility(View.INVISIBLE); } int allAppsButtonSize = LauncherAppState.getInstance().getDynamicGrid() .getDeviceProfile().allAppsButtonVisualSize; float finalRadius = isWidgetTray ? 0 : allAppsButtonSize / 2; Animator reveal = LauncherAnimUtils.createCircularReveal(revealView, width / 2, height / 2, revealRadius, finalRadius); reveal.setInterpolator(new LogDecelerateInterpolator(100, 0)); reveal.setDuration(revealDuration); reveal.setStartDelay(itemsAlphaStagger); reveal.addListener(new AnimatorListenerAdapter() { public void onAnimationEnd(Animator animation) { revealView.setVisibility(View.INVISIBLE); if (!isWidgetTray) { allAppsButton.setVisibility(View.VISIBLE); } } }); mStateAnimation.play(reveal); } dispatchOnLauncherTransitionPrepare(fromView, animated, true); dispatchOnLauncherTransitionPrepare(toView, animated, true); mAppsCustomizeContent.stopScrolling(); } mStateAnimation.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { fromView.setVisibility(View.GONE); dispatchOnLauncherTransitionEnd(fromView, animated, true); dispatchOnLauncherTransitionEnd(toView, animated, true); if (onCompleteRunnable != null) { onCompleteRunnable.run(); } revealView.setLayerType(View.LAYER_TYPE_NONE, null); if (page != null) { page.setLayerType(View.LAYER_TYPE_NONE, null); } content.setPageBackgroundsVisible(true); // Unhide side pages int count = content.getChildCount(); for (int i = 0; i < count; i++) { View child = content.getChildAt(i); child.setVisibility(View.VISIBLE); } // Reset page transforms if (page != null) { page.setTranslationX(0); page.setTranslationY(0); page.setAlpha(1); } content.setCurrentPage(content.getNextPage()); mAppsCustomizeContent.updateCurrentPageScroll(); // This can hold unnecessary references to views. mStateAnimation = null; } }); final AnimatorSet stateAnimation = mStateAnimation; final Runnable startAnimRunnable = new Runnable() { public void run() { // Check that mStateAnimation hasn't changed while // we waited for a layout/draw pass if (mStateAnimation != stateAnimation) return; dispatchOnLauncherTransitionStart(fromView, animated, false); dispatchOnLauncherTransitionStart(toView, animated, false); if (Utilities.isLmpOrAbove()) { for (int i = 0; i < layerViews.size(); i++) { View v = layerViews.get(i); if (v != null) { if (Utilities.isViewAttachedToWindow(v)) v.buildLayer(); } } } mStateAnimation.start(); } }; fromView.post(startAnimRunnable); } else { fromView.setVisibility(View.GONE); dispatchOnLauncherTransitionPrepare(fromView, animated, true); dispatchOnLauncherTransitionStart(fromView, animated, true); dispatchOnLauncherTransitionEnd(fromView, animated, true); dispatchOnLauncherTransitionPrepare(toView, animated, true); dispatchOnLauncherTransitionStart(toView, animated, true); dispatchOnLauncherTransitionEnd(toView, animated, true); } }
From source file:com.example.sky.test.view.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 ViewPager.LayoutParams lp = (ViewPager.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 w w. jav a 2 s . 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; } 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 ViewPager.LayoutParams lp = (ViewPager.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:com.example.mvpdemo.widget.NarrowParentViewPager.java
@Override protected void onLayout(boolean changed, int l, int t, int r, int b) { Log.i("xx", "================= onLayout ================="); 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 ww . ja 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; } childLeft += scrollX; child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(), childTop + child.getMeasuredHeight()); decorCount++; } } } final int childWidth = width - paddingLeft - paddingRight - 2 * (OFFSET); // 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 && (child == mCurrent && mDragDistance == 0 || child != mCurrent)) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); ItemInfo ii; if (!lp.isDecor && (ii = infoForChild(child)) != null) { Log.i("Narrow", "INDEX = " + i + " offset = " + ii.offset); 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 + OFFSET + PADDING, childTop + (int) ((OFFSET + PADDING) * (float) getHeight() / getWidth()), (int) (childLeft + child.getMeasuredWidth()) + OFFSET + PADDING, childTop + child.getMeasuredHeight()); } } } mTopPageBounds = paddingTop; mBottomPageBounds = height - paddingBottom; mDecorChildCount = decorCount; if (mFirstLayout) { scrollToItem(mCurItem, false, 0, false); } mFirstLayout = false; }
From source file:com.example.view.VerticalViewPager.java
@Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { // For simple implementation, or internal size is always 0. // We depend on the container to specify the layout size of // our view. We can't really know what it is since we will be // adding and removing different arbitrary views and do not // want the layout to change as this happens. setMeasuredDimension(getDefaultSize(0, widthMeasureSpec), getDefaultSize(0, heightMeasureSpec)); // Children are just made to fill our space. int childWidthSize = getMeasuredWidth() - getPaddingLeft() - getPaddingRight(); int childHeightSize = getMeasuredHeight() - getPaddingTop() - getPaddingBottom(); /*/*ww w . j a v a2 s . co m*/ * Make sure all children have been properly measured. Decor views * first. Right now we cheat and make this less complicated by assuming * decor views won't intersect. We will pin to edges based on gravity. */ int size = getChildCount(); for (int i = 0; i < size; ++i) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (lp != null && lp.isDecor) { final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK; Log.d(TAG, "gravity: " + lp.gravity + " hgrav: " + hgrav + " vgrav: " + vgrav); int widthMode = MeasureSpec.AT_MOST; int heightMode = MeasureSpec.AT_MOST; boolean consumeVertical = vgrav == Gravity.TOP || vgrav == Gravity.BOTTOM; boolean consumeHorizontal = hgrav == Gravity.LEFT || hgrav == Gravity.RIGHT; if (consumeVertical) { widthMode = MeasureSpec.EXACTLY; } else if (consumeHorizontal) { heightMode = MeasureSpec.EXACTLY; } /* end of if */ final int widthSpec = MeasureSpec.makeMeasureSpec(childWidthSize, widthMode); final int heightSpec = MeasureSpec.makeMeasureSpec(childHeightSize, heightMode); child.measure(widthSpec, heightSpec); if (consumeVertical) { childHeightSize -= child.getMeasuredHeight(); } else if (consumeHorizontal) { childWidthSize -= child.getMeasuredWidth(); } /* end of if */ } /* end of if */ } /* end of if */ } /* end of for */ mChildWidthMeasureSpec = MeasureSpec.makeMeasureSpec(childWidthSize, MeasureSpec.EXACTLY); mChildHeightMeasureSpec = MeasureSpec.makeMeasureSpec(childHeightSize, MeasureSpec.EXACTLY); // Make sure we have created all fragments that we need to have shown. mInLayout = true; populate(); mInLayout = false; // Page views next. size = getChildCount(); for (int i = 0; i < size; ++i) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { if (DEBUG) Log.v(TAG, "Measuring #" + i + " " + child + ": " + mChildWidthMeasureSpec); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (lp == null || !lp.isDecor) { child.measure(mChildWidthMeasureSpec, mChildHeightMeasureSpec); } /* end of if */ } /* end of if */ } /* end of for */ }
From source file:android.support.v7.internal.widget.ActionBarView.java
@Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { final int childCount = getChildCount(); if (mIsCollapsable) { int visibleChildren = 0; for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE && !(child == mMenuView && mMenuView.getChildCount() == 0)) { visibleChildren++;//www . java 2 s . c o m } } if (visibleChildren == 0) { // No size for an empty action bar when collapsable. setMeasuredDimension(0, 0); mIsCollapsed = true; return; } } mIsCollapsed = false; int widthMode = MeasureSpec.getMode(widthMeasureSpec); if (widthMode != MeasureSpec.EXACTLY) { throw new IllegalStateException(getClass().getSimpleName() + " can only be used " + "with android:layout_width=\"MATCH_PARENT\" (or fill_parent)"); } int heightMode = MeasureSpec.getMode(heightMeasureSpec); if (heightMode != MeasureSpec.AT_MOST) { throw new IllegalStateException(getClass().getSimpleName() + " can only be used " + "with android:layout_height=\"wrap_content\""); } int contentWidth = MeasureSpec.getSize(widthMeasureSpec); int maxHeight = mContentHeight > 0 ? mContentHeight : MeasureSpec.getSize(heightMeasureSpec); final int verticalPadding = getPaddingTop() + getPaddingBottom(); final int paddingLeft = getPaddingLeft(); final int paddingRight = getPaddingRight(); final int height = maxHeight - verticalPadding; final int childSpecHeight = MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST); int availableWidth = contentWidth - paddingLeft - paddingRight; int leftOfCenter = availableWidth / 2; int rightOfCenter = leftOfCenter; HomeView homeLayout = mExpandedActionView != null ? mExpandedHomeLayout : mHomeLayout; if (homeLayout.getVisibility() != GONE) { final ViewGroup.LayoutParams lp = homeLayout.getLayoutParams(); int homeWidthSpec; if (lp.width < 0) { homeWidthSpec = MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST); } else { homeWidthSpec = MeasureSpec.makeMeasureSpec(lp.width, MeasureSpec.EXACTLY); } homeLayout.measure(homeWidthSpec, MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); final int homeWidth = homeLayout.getMeasuredWidth() + homeLayout.getLeftOffset(); availableWidth = Math.max(0, availableWidth - homeWidth); leftOfCenter = Math.max(0, availableWidth - homeWidth); } if (mMenuView != null && mMenuView.getParent() == this) { availableWidth = measureChildView(mMenuView, availableWidth, childSpecHeight, 0); rightOfCenter = Math.max(0, rightOfCenter - mMenuView.getMeasuredWidth()); } if (mIndeterminateProgressView != null && mIndeterminateProgressView.getVisibility() != GONE) { availableWidth = measureChildView(mIndeterminateProgressView, availableWidth, childSpecHeight, 0); rightOfCenter = Math.max(0, rightOfCenter - mIndeterminateProgressView.getMeasuredWidth()); } final boolean showTitle = mTitleLayout != null && mTitleLayout.getVisibility() != GONE && (mDisplayOptions & ActionBar.DISPLAY_SHOW_TITLE) != 0; if (mExpandedActionView == null) { switch (mNavigationMode) { case ActionBar.NAVIGATION_MODE_LIST: if (mListNavLayout != null) { final int itemPaddingSize = showTitle ? mItemPadding * 2 : mItemPadding; availableWidth = Math.max(0, availableWidth - itemPaddingSize); leftOfCenter = Math.max(0, leftOfCenter - itemPaddingSize); mListNavLayout.measure(MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST), MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); final int listNavWidth = mListNavLayout.getMeasuredWidth(); availableWidth = Math.max(0, availableWidth - listNavWidth); leftOfCenter = Math.max(0, leftOfCenter - listNavWidth); } break; case ActionBar.NAVIGATION_MODE_TABS: if (mTabScrollView != null) { final int itemPaddingSize = showTitle ? mItemPadding * 2 : mItemPadding; availableWidth = Math.max(0, availableWidth - itemPaddingSize); leftOfCenter = Math.max(0, leftOfCenter - itemPaddingSize); mTabScrollView.measure(MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST), MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); final int tabWidth = mTabScrollView.getMeasuredWidth(); availableWidth = Math.max(0, availableWidth - tabWidth); leftOfCenter = Math.max(0, leftOfCenter - tabWidth); } break; } } View customView = null; if (mExpandedActionView != null) { customView = mExpandedActionView; } else if ((mDisplayOptions & ActionBar.DISPLAY_SHOW_CUSTOM) != 0 && mCustomNavView != null) { customView = mCustomNavView; } if (customView != null) { final ViewGroup.LayoutParams lp = generateLayoutParams(customView.getLayoutParams()); final ActionBar.LayoutParams ablp = lp instanceof ActionBar.LayoutParams ? (ActionBar.LayoutParams) lp : null; int horizontalMargin = 0; int verticalMargin = 0; if (ablp != null) { horizontalMargin = ablp.leftMargin + ablp.rightMargin; verticalMargin = ablp.topMargin + ablp.bottomMargin; } // If the action bar is wrapping to its content height, don't allow a custom // view to FILL_PARENT. int customNavHeightMode; if (mContentHeight <= 0) { customNavHeightMode = MeasureSpec.AT_MOST; } else { customNavHeightMode = lp.height != LayoutParams.WRAP_CONTENT ? MeasureSpec.EXACTLY : MeasureSpec.AT_MOST; } final int customNavHeight = Math.max(0, (lp.height >= 0 ? Math.min(lp.height, height) : height) - verticalMargin); final int customNavWidthMode = lp.width != LayoutParams.WRAP_CONTENT ? MeasureSpec.EXACTLY : MeasureSpec.AT_MOST; int customNavWidth = Math.max(0, (lp.width >= 0 ? Math.min(lp.width, availableWidth) : availableWidth) - horizontalMargin); final int hgrav = (ablp != null ? ablp.gravity : DEFAULT_CUSTOM_GRAVITY) & Gravity.HORIZONTAL_GRAVITY_MASK; // Centering a custom view is treated specially; we try to center within the whole // action bar rather than in the available space. if (hgrav == Gravity.CENTER_HORIZONTAL && lp.width == LayoutParams.FILL_PARENT) { customNavWidth = Math.min(leftOfCenter, rightOfCenter) * 2; } customView.measure(MeasureSpec.makeMeasureSpec(customNavWidth, customNavWidthMode), MeasureSpec.makeMeasureSpec(customNavHeight, customNavHeightMode)); availableWidth -= horizontalMargin + customView.getMeasuredWidth(); } if (mExpandedActionView == null && showTitle) { availableWidth = measureChildView(mTitleLayout, availableWidth, MeasureSpec.makeMeasureSpec(mContentHeight, MeasureSpec.EXACTLY), 0); leftOfCenter = Math.max(0, leftOfCenter - mTitleLayout.getMeasuredWidth()); } if (mContentHeight <= 0) { int measuredHeight = 0; for (int i = 0; i < childCount; i++) { View v = getChildAt(i); int paddedViewHeight = v.getMeasuredHeight() + verticalPadding; if (paddedViewHeight > measuredHeight) { measuredHeight = paddedViewHeight; } } setMeasuredDimension(contentWidth, measuredHeight); } else { setMeasuredDimension(contentWidth, maxHeight); } if (mContextView != null) { mContextView.setContentHeight(getMeasuredHeight()); } if (mProgressView != null && mProgressView.getVisibility() != GONE) { mProgressView.measure( MeasureSpec.makeMeasureSpec(contentWidth - mProgressBarPadding * 2, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST)); } }
From source file:cn.androidy.materialdesignsample.ryanharterviewpager.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(); 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; }// ww w. j a v a2 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 (isOrientationHorizontal()) { childLeft += scrollX; } else { childTop += scrollY; } child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(), childTop + child.getMeasuredHeight()); decorCount++; } } } int childSize = 0; if (isOrientationHorizontal()) { childSize = width - paddingLeft - paddingRight; } else { childSize = 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) (childSize * ii.offset); int childLeft = paddingLeft + (isOrientationHorizontal() ? loff : 0); int childTop = paddingTop + (isOrientationHorizontal() ? 0 : 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; int widthSpec = 0, heightSpec = 0; if (isOrientationHorizontal()) { widthSpec = MeasureSpec.makeMeasureSpec((int) (childSize * lp.sizeFactor), MeasureSpec.EXACTLY); heightSpec = MeasureSpec.makeMeasureSpec((int) (height - paddingTop - paddingBottom), MeasureSpec.EXACTLY); } else { widthSpec = MeasureSpec.makeMeasureSpec((int) (width - paddingLeft - paddingRight), MeasureSpec.EXACTLY); heightSpec = MeasureSpec.makeMeasureSpec((int) (childSize * lp.sizeFactor), 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; mTopPageBounds = paddingTop; mRightPageBounds = width - paddingRight; mBottomPageBounds = height - paddingBottom; mDecorChildCount = decorCount; if (mFirstLayout) { scrollToItem(mCurItem, false, 0, false); } mFirstLayout = false; }
From source file:cn.androidy.materialdesignsample.ryanharterviewpager.ViewPager.java
/** * This method will be invoked when the current page is scrolled, either as part * of a programmatically initiated smooth scroll or a user initiated touch scroll. * If you override this method you must call through to the superclass implementation * (e.g. super.onPageScrolled(position, offset, offsetPixels)) before onPageScrolled * returns./*from w w w. ja va 2s .c o m*/ * * @param position Position index of the first page currently being displayed. * Page position+1 will be visible if positionOffset is nonzero. * @param offset Value from [0, 1) indicating the offset from the page at position. * @param offsetPixels Value in pixels indicating the offset from position. */ protected void onPageScrolled(int position, float offset, int offsetPixels) { // Offset any decor views if needed - keep them on-screen at all times. if (mDecorChildCount > 0) { // TODO This is where I start getting tired. Refactor this better later. if (isOrientationHorizontal()) { final int scrollX = getScrollX(); int paddingLeft = getPaddingLeft(); int paddingRight = getPaddingRight(); final int width = getWidth(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (!lp.isDecor) continue; final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; int childLeft = 0; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getWidth(); 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; } childLeft += scrollX; final int childOffset = childLeft - child.getLeft(); if (childOffset != 0) { child.offsetLeftAndRight(childOffset); } } } else { final int scrollY = getScrollY(); int paddingTop = getPaddingTop(); int paddingBottom = getPaddingBottom(); final int height = getHeight(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (!lp.isDecor) continue; final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK; int childTop = 0; switch (vgrav) { default: childTop = paddingTop; break; case Gravity.TOP: childTop = paddingTop; paddingTop += child.getHeight(); 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; final int childOffset = childTop - child.getTop(); if (childOffset != 0) { child.offsetTopAndBottom(childOffset); } } } } if (mOnPageChangeListener != null) { mOnPageChangeListener.onPageScrolled(position, offset, offsetPixels); } if (mInternalPageChangeListener != null) { mInternalPageChangeListener.onPageScrolled(position, offset, offsetPixels); } if (mPageTransformer != null) { final boolean horizontal = isOrientationHorizontal(); final int scroll = horizontal ? getScrollX() : getScrollY(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (lp.isDecor) continue; float transformPos; if (horizontal) { transformPos = (float) (child.getLeft() - scroll) / getClientWidth(); } else { transformPos = (float) (child.getTop() - scroll) / getClientHeight(); } mPageTransformer.transformPage(child, transformPos); } } mCalledSuper = true; }
From source file:android.support.design.widget.CoordinatorLayout.java
/** * Lay out a child view with no special handling. This will position the child as * if it were within a FrameLayout or similar simple frame. * * @param child child view to lay out//from w w w . ja v a2 s.c om * @param layoutDirection ViewCompat constant for the desired layout direction */ private void layoutChild(View child, int layoutDirection) { final LayoutParams lp = (LayoutParams) child.getLayoutParams(); final Rect parent = acquireTempRect(); parent.set(getPaddingLeft() + lp.leftMargin, getPaddingTop() + lp.topMargin, getWidth() - getPaddingRight() - lp.rightMargin, getHeight() - getPaddingBottom() - lp.bottomMargin); if (mLastInsets != null && ViewCompat.getFitsSystemWindows(this) && !ViewCompat.getFitsSystemWindows(child)) { // If we're set to handle insets but this child isn't, then it has been measured as // if there are no insets. We need to lay it out to match. parent.left += mLastInsets.getSystemWindowInsetLeft(); parent.top += mLastInsets.getSystemWindowInsetTop(); parent.right -= mLastInsets.getSystemWindowInsetRight(); parent.bottom -= mLastInsets.getSystemWindowInsetBottom(); } final Rect out = acquireTempRect(); GravityCompat.apply(resolveGravity(lp.gravity), child.getMeasuredWidth(), child.getMeasuredHeight(), parent, out, layoutDirection); child.layout(out.left, out.top, out.right, out.bottom); releaseTempRect(parent); releaseTempRect(out); }
From source file:com.actionbarsherlock.internal.widget.ActionBarView.java
@Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { final int childCount = getChildCount(); if (mIsCollapsable) { int visibleChildren = 0; for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE && !(child == mMenuView && mMenuView.getChildCount() == 0)) { visibleChildren++;/* ww w .jav a2s . c om*/ } } if (visibleChildren == 0) { // No size for an empty action bar when collapsable. setMeasuredDimension(0, 0); mIsCollapsed = true; return; } } mIsCollapsed = false; int widthMode = MeasureSpec.getMode(widthMeasureSpec); if (widthMode != MeasureSpec.EXACTLY) { throw new IllegalStateException(getClass().getSimpleName() + " can only be used " + "with android:layout_width=\"match_parent\" (or fill_parent)"); } int heightMode = MeasureSpec.getMode(heightMeasureSpec); if (heightMode != MeasureSpec.AT_MOST) { throw new IllegalStateException(getClass().getSimpleName() + " can only be used " + "with android:layout_height=\"wrap_content\""); } int contentWidth = MeasureSpec.getSize(widthMeasureSpec); int maxHeight = mContentHeight > 0 ? mContentHeight : MeasureSpec.getSize(heightMeasureSpec); final int verticalPadding = getPaddingTop() + getPaddingBottom(); final int paddingLeft = getPaddingLeft(); final int paddingRight = getPaddingRight(); final int height = maxHeight - verticalPadding; final int childSpecHeight = MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST); int availableWidth = contentWidth - paddingLeft - paddingRight; int leftOfCenter = availableWidth / 2; int rightOfCenter = leftOfCenter; HomeView homeLayout = mExpandedActionView != null ? mExpandedHomeLayout : mHomeLayout; if (homeLayout.getVisibility() != GONE) { final ViewGroup.LayoutParams lp = homeLayout.getLayoutParams(); int homeWidthSpec; if (lp.width < 0) { homeWidthSpec = MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST); } else { homeWidthSpec = MeasureSpec.makeMeasureSpec(lp.width, MeasureSpec.EXACTLY); } homeLayout.measure(homeWidthSpec, MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); final int homeWidth = homeLayout.getMeasuredWidth() + homeLayout.getLeftOffset(); availableWidth = Math.max(0, availableWidth - homeWidth); leftOfCenter = Math.max(0, availableWidth - homeWidth); } if (mMenuView != null && mMenuView.getParent() == this) { availableWidth = measureChildView(mMenuView, availableWidth, childSpecHeight, 0); rightOfCenter = Math.max(0, rightOfCenter - mMenuView.getMeasuredWidth()); } if (mIndeterminateProgressView != null && mIndeterminateProgressView.getVisibility() != GONE) { availableWidth = measureChildView(mIndeterminateProgressView, availableWidth, childSpecHeight, 0); rightOfCenter = Math.max(0, rightOfCenter - mIndeterminateProgressView.getMeasuredWidth()); } final boolean showTitle = mTitleLayout != null && mTitleLayout.getVisibility() != GONE && (mDisplayOptions & ActionBar.DISPLAY_SHOW_TITLE) != 0; if (mExpandedActionView == null) { switch (mNavigationMode) { case ActionBar.NAVIGATION_MODE_LIST: if (mListNavLayout != null) { final int itemPaddingSize = showTitle ? mItemPadding * 2 : mItemPadding; availableWidth = Math.max(0, availableWidth - itemPaddingSize); leftOfCenter = Math.max(0, leftOfCenter - itemPaddingSize); mListNavLayout.measure(MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST), MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); final int listNavWidth = mListNavLayout.getMeasuredWidth(); availableWidth = Math.max(0, availableWidth - listNavWidth); leftOfCenter = Math.max(0, leftOfCenter - listNavWidth); } break; case ActionBar.NAVIGATION_MODE_TABS: if (mTabScrollView != null) { final int itemPaddingSize = showTitle ? mItemPadding * 2 : mItemPadding; availableWidth = Math.max(0, availableWidth - itemPaddingSize); leftOfCenter = Math.max(0, leftOfCenter - itemPaddingSize); mTabScrollView.measure(MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST), MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); final int tabWidth = mTabScrollView.getMeasuredWidth(); availableWidth = Math.max(0, availableWidth - tabWidth); leftOfCenter = Math.max(0, leftOfCenter - tabWidth); } break; } } View customView = null; if (mExpandedActionView != null) { customView = mExpandedActionView; } else if ((mDisplayOptions & ActionBar.DISPLAY_SHOW_CUSTOM) != 0 && mCustomNavView != null) { customView = mCustomNavView; } if (customView != null) { final ViewGroup.LayoutParams lp = generateLayoutParams(customView.getLayoutParams()); final ActionBar.LayoutParams ablp = lp instanceof ActionBar.LayoutParams ? (ActionBar.LayoutParams) lp : null; int horizontalMargin = 0; int verticalMargin = 0; if (ablp != null) { horizontalMargin = ablp.leftMargin + ablp.rightMargin; verticalMargin = ablp.topMargin + ablp.bottomMargin; } // If the action bar is wrapping to its content height, don't allow a custom // view to MATCH_PARENT. int customNavHeightMode; if (mContentHeight <= 0) { customNavHeightMode = MeasureSpec.AT_MOST; } else { customNavHeightMode = lp.height != LayoutParams.WRAP_CONTENT ? MeasureSpec.EXACTLY : MeasureSpec.AT_MOST; } final int customNavHeight = Math.max(0, (lp.height >= 0 ? Math.min(lp.height, height) : height) - verticalMargin); final int customNavWidthMode = lp.width != LayoutParams.WRAP_CONTENT ? MeasureSpec.EXACTLY : MeasureSpec.AT_MOST; int customNavWidth = Math.max(0, (lp.width >= 0 ? Math.min(lp.width, availableWidth) : availableWidth) - horizontalMargin); final int hgrav = (ablp != null ? ablp.gravity : DEFAULT_CUSTOM_GRAVITY) & Gravity.HORIZONTAL_GRAVITY_MASK; // Centering a custom view is treated specially; we try to center within the whole // action bar rather than in the available space. if (hgrav == Gravity.CENTER_HORIZONTAL && lp.width == LayoutParams.MATCH_PARENT) { customNavWidth = Math.min(leftOfCenter, rightOfCenter) * 2; } customView.measure(MeasureSpec.makeMeasureSpec(customNavWidth, customNavWidthMode), MeasureSpec.makeMeasureSpec(customNavHeight, customNavHeightMode)); availableWidth -= horizontalMargin + customView.getMeasuredWidth(); } if (mExpandedActionView == null && showTitle) { availableWidth = measureChildView(mTitleLayout, availableWidth, MeasureSpec.makeMeasureSpec(mContentHeight, MeasureSpec.EXACTLY), 0); leftOfCenter = Math.max(0, leftOfCenter - mTitleLayout.getMeasuredWidth()); } if (mContentHeight <= 0) { int measuredHeight = 0; for (int i = 0; i < childCount; i++) { View v = getChildAt(i); int paddedViewHeight = v.getMeasuredHeight() + verticalPadding; if (paddedViewHeight > measuredHeight) { measuredHeight = paddedViewHeight; } } setMeasuredDimension(contentWidth, measuredHeight); } else { setMeasuredDimension(contentWidth, maxHeight); } if (mContextView != null) { mContextView.setContentHeight(getMeasuredHeight()); } if (mProgressView != null && mProgressView.getVisibility() != GONE) { mProgressView.measure( MeasureSpec.makeMeasureSpec(contentWidth - mProgressBarPadding * 2, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST)); } }
From source file:com.guide.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(); 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 w w.ja v a 2s.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 (isOrientationHorizontal()) { childLeft += scrollX; } else { childTop += scrollY; } child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(), childTop + child.getMeasuredHeight()); decorCount++; } } } int childSize = 0; if (isOrientationHorizontal()) { childSize = width - paddingLeft - paddingRight; } else { childSize = 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) (childSize * ii.offset); int childLeft = paddingLeft + (isOrientationHorizontal() ? loff : 0); int childTop = paddingTop + (isOrientationHorizontal() ? 0 : 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; int widthSpec = 0, heightSpec = 0; if (isOrientationHorizontal()) { widthSpec = MeasureSpec.makeMeasureSpec((int) (childSize * lp.sizeFactor), MeasureSpec.EXACTLY); heightSpec = MeasureSpec.makeMeasureSpec((int) (height - paddingTop - paddingBottom), MeasureSpec.EXACTLY); } else { widthSpec = MeasureSpec.makeMeasureSpec((int) (width - paddingLeft - paddingRight), MeasureSpec.EXACTLY); heightSpec = MeasureSpec.makeMeasureSpec((int) (childSize * lp.sizeFactor), 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; mTopPageBounds = paddingTop; mRightPageBounds = width - paddingRight; mBottomPageBounds = height - paddingBottom; mDecorChildCount = decorCount; if (mFirstLayout) { scrollToItem(mCurItem, false, 0, false); } mFirstLayout = false; }