List of usage examples for android.view Gravity RIGHT
int RIGHT
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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 #VERTICAL}. * * @see #getOrientation()// www. j ava2s . com * @see #setOrientation(int) * @see #onLayout(boolean, int, int, int, int) * @param left * @param top * @param right * @param bottom */ void layoutVertical(int left, int top, int right, int bottom) { final int paddingLeft = getPaddingLeft(); int childTop; int childLeft; // Where right end of child should go final int width = right - left; int childRight = width - getPaddingRight(); // Space available for child int childSpace = width - paddingLeft - getPaddingRight(); final int count = getVirtualChildCount(); final int majorGravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; final int minorGravity = mGravity & GravityCompat.RELATIVE_HORIZONTAL_GRAVITY_MASK; switch (majorGravity) { case Gravity.BOTTOM: // mTotalLength contains the padding already childTop = getPaddingTop() + bottom - top - mTotalLength; break; // mTotalLength contains the padding already case Gravity.CENTER_VERTICAL: childTop = getPaddingTop() + (bottom - top - mTotalLength) / 2; break; case Gravity.TOP: default: childTop = getPaddingTop(); break; } for (int i = 0; i < count; i++) { final View child = getVirtualChildAt(i); if (child == null) { childTop += measureNullChild(i); } else if (child.getVisibility() != GONE) { final int childWidth = child.getMeasuredWidth(); final int childHeight = child.getMeasuredHeight(); final LinearLayoutCompat.LayoutParams lp = (LinearLayoutCompat.LayoutParams) child .getLayoutParams(); int gravity = lp.gravity; if (gravity < 0) { gravity = minorGravity; } final int layoutDirection = ViewCompat.getLayoutDirection(this); final int absoluteGravity = GravityCompat.getAbsoluteGravity(gravity, layoutDirection); switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) { case Gravity.CENTER_HORIZONTAL: childLeft = paddingLeft + ((childSpace - childWidth) / 2) + lp.leftMargin - lp.rightMargin; break; case Gravity.RIGHT: childLeft = childRight - childWidth - lp.rightMargin; break; case Gravity.LEFT: default: childLeft = paddingLeft + lp.leftMargin; break; } if (hasDividerBeforeChildAt(i)) { childTop += mDividerHeight; } childTop += lp.topMargin; setChildFrame(child, childLeft, childTop + getLocationOffset(child), childWidth, childHeight); childTop += childHeight + lp.bottomMargin + getNextLocationOffset(child); i += getChildrenSkipCount(child, i); } } }
From source file:com.stone.card.VerticalViewPager.java
@Override protected void onLayout(boolean changed, int l, int t, int r, int b) { if (DEBUG)/* ww w. j av a2 s .c o m*/ Log.d(TAG, "onLayout"); mInLayout = true; populate(); mInLayout = false; 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; } 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++; } } } // 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) (height * ii.offset); int childLeft = paddingLeft; int childTop = paddingTop = 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 = MeasureSpec.makeMeasureSpec( (int) ((width - paddingLeft - paddingRight) * 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()); } } } mLeftPageBounds = paddingLeft; mRightPageBounds = width - paddingRight; mDecorChildCount = decorCount; mFirstLayout = false; }
From source file:com.jecelyin.editor.v2.widget.AnyDrawerLayout.java
@Override protected boolean drawChild(Canvas canvas, View child, long drawingTime) { final int height = getHeight(); final boolean drawingContent = isContentView(child); int clipLeft = 0, clipRight = getWidth(); int clipTop = 0; final int restoreCount = canvas.save(); if (drawingContent) { final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View v = getChildAt(i); if (v == child || v.getVisibility() != VISIBLE || !hasOpaqueBackground(v) || !isDrawerView(v) || v.getHeight() < height) { continue; }/* w w w .j ava 2 s . co m*/ if (checkDrawerViewAbsoluteGravity(v, Gravity.TOP)) { final int vbottom = v.getBottom(); if (vbottom > clipTop) clipTop = vbottom; } else if (checkDrawerViewAbsoluteGravity(v, Gravity.LEFT)) { final int vright = v.getRight(); if (vright > clipLeft) clipLeft = vright; } else { final int vleft = v.getLeft(); if (vleft < clipRight) clipRight = vleft; } } canvas.clipRect(clipLeft, clipTop, clipRight, getHeight()); } final boolean result = super.drawChild(canvas, child, drawingTime); canvas.restoreToCount(restoreCount); if (mScrimOpacity > 0 && drawingContent) { final int baseAlpha = (mScrimColor & 0xff000000) >>> 24; final int imag = (int) (baseAlpha * mScrimOpacity); final int color = imag << 24 | (mScrimColor & 0xffffff); mScrimPaint.setColor(color); canvas.drawRect(clipLeft, 0, clipRight, getHeight(), mScrimPaint); } else if (mShadowLeftResolved != null && checkDrawerViewAbsoluteGravity(child, Gravity.LEFT)) { final int shadowWidth = mShadowLeftResolved.getIntrinsicWidth(); final int childRight = child.getRight(); final int drawerPeekDistance = mLeftDragger.getEdgeSize(); final float alpha = Math.max(0, Math.min((float) childRight / drawerPeekDistance, 1.f)); mShadowLeftResolved.setBounds(childRight, child.getTop(), childRight + shadowWidth, child.getBottom()); mShadowLeftResolved.setAlpha((int) (0xff * alpha)); mShadowLeftResolved.draw(canvas); } else if (mShadowRightResolved != null && checkDrawerViewAbsoluteGravity(child, Gravity.RIGHT)) { final int shadowWidth = mShadowRightResolved.getIntrinsicWidth(); final int childLeft = child.getLeft(); final int showing = getWidth() - childLeft; final int drawerPeekDistance = mRightDragger.getEdgeSize(); final float alpha = Math.max(0, Math.min((float) showing / drawerPeekDistance, 1.f)); mShadowRightResolved.setBounds(childLeft - shadowWidth, child.getTop(), childLeft, child.getBottom()); mShadowRightResolved.setAlpha((int) (0xff * alpha)); mShadowRightResolved.draw(canvas); } else if (mShadowBottomResolved != null && checkDrawerViewAbsoluteGravity(child, Gravity.BOTTOM)) { final int shadowHeight = mShadowBottomResolved.getIntrinsicHeight(); final int showing = getHeight() - child.getTop(); final int drawerPeekDistance = mRightDragger.getEdgeSize(); final float alpha = Math.max(0, Math.min((float) showing / drawerPeekDistance, 1.f)); mShadowBottomResolved.setBounds(child.getLeft(), child.getTop() - shadowHeight, child.getRight(), child.getBottom()); mShadowBottomResolved.setAlpha((int) (0xff * alpha)); mShadowBottomResolved.draw(canvas); } return result; }
From source file:com.isapp.android.circularviewpager.CircularViewPager.java
@Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { // For simple implementation, our 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)); final int measuredWidth = getMeasuredWidth(); final int maxGutterSize = measuredWidth / 10; mGutterSize = Math.min(maxGutterSize, mDefaultGutterSize); // Children are just made to fill our space. int childWidthSize = measuredWidth - getPaddingLeft() - getPaddingRight(); int childHeightSize = getMeasuredHeight() - getPaddingTop() - getPaddingBottom(); /*/*w ww . j a va 2s . c o 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; 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; } int widthSize = childWidthSize; int heightSize = childHeightSize; if (lp.width != LayoutParams.WRAP_CONTENT) { widthMode = MeasureSpec.EXACTLY; if (lp.width != LayoutParams.FILL_PARENT) { widthSize = lp.width; } } if (lp.height != LayoutParams.WRAP_CONTENT) { heightMode = MeasureSpec.EXACTLY; if (lp.height != LayoutParams.FILL_PARENT) { heightSize = lp.height; } } final int widthSpec = MeasureSpec.makeMeasureSpec(widthSize, widthMode); final int heightSpec = MeasureSpec.makeMeasureSpec(heightSize, heightMode); child.measure(widthSpec, heightSpec); if (consumeVertical) { childHeightSize -= child.getMeasuredHeight(); } else if (consumeHorizontal) { childWidthSize -= child.getMeasuredWidth(); } } } } 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) { final int widthSpec = MeasureSpec.makeMeasureSpec((int) (childWidthSize * lp.widthFactor), MeasureSpec.EXACTLY); child.measure(widthSpec, mChildHeightMeasureSpec); } } } }
From source file:com.bloomimpact.bancus.ui.views.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 w w . ja va 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 childHeight = height - 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 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) (height * 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()); } } } mTopPageBounds = paddingTop; mBottomPageBounds = height - paddingBottom; mDecorChildCount = decorCount; if (mFirstLayout) { scrollToItem(mCurItem, false, 0, false); } mFirstLayout = false; }
From source file:com.borqs.se.addobject.AddObjectViewPager.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 ww w .j av 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; // 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); } 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.ifnoif.androidtestdemo.customview.VViewPager.java
@Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { // For simple implementation, our 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)); final int measuredHeight = getMeasuredHeight(); final int maxGutterSize = measuredHeight / 10; mGutterSize = Math.min(maxGutterSize, mDefaultGutterSize); // Children are just made to fill our space. int childWidthSize = getMeasuredWidth() - getPaddingLeft() - getPaddingRight(); int childHeightSize = getMeasuredHeight() - getPaddingTop() - getPaddingBottom(); /*//ww w .j ava2 s.com * 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; 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; } int widthSize = childWidthSize; int heightSize = childHeightSize; if (lp.width != LayoutParams.WRAP_CONTENT) { widthMode = MeasureSpec.EXACTLY; if (lp.width != LayoutParams.FILL_PARENT) { widthSize = lp.width; } } if (lp.height != LayoutParams.WRAP_CONTENT) { heightMode = MeasureSpec.EXACTLY; if (lp.height != LayoutParams.FILL_PARENT) { heightSize = lp.height; } } final int widthSpec = MeasureSpec.makeMeasureSpec(widthSize, widthMode); final int heightSpec = MeasureSpec.makeMeasureSpec(heightSize, heightMode); child.measure(widthSpec, heightSpec); if (consumeVertical) { childHeightSize -= child.getMeasuredHeight(); } else if (consumeHorizontal) { childWidthSize -= child.getMeasuredWidth(); } } } } 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) { final int heightSpec = MeasureSpec.makeMeasureSpec((int) (childHeightSize * lp.heightFactor), MeasureSpec.EXACTLY); child.measure(mChildWidthMeasureSpec, heightSpec); } } } }
From source file:com.android.internal.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 va 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; // 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) { continue; } final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (lp.isDecor) { continue; } final ItemInfo ii = infoForChild(child); if (ii == null) { continue; } 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); } final int childMeasuredWidth = child.getMeasuredWidth(); final int startOffset = (int) (childWidth * ii.offset); final int childLeft; if (isLayoutRtl()) { childLeft = MAX_SCROLL_X - paddingRight - startOffset - childMeasuredWidth; } else { childLeft = paddingLeft + startOffset; } final int childTop = paddingTop; child.layout(childLeft, childTop, childLeft + childMeasuredWidth, childTop + child.getMeasuredHeight()); } mTopPageBounds = paddingTop; mBottomPageBounds = height - paddingBottom; mDecorChildCount = decorCount; if (mFirstLayout) { scrollToItem(mCurItem, false, 0, false); } mFirstLayout = false; }
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 .j a v a2 s .c o m*/ 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:com.example.leelay.galleyviewpager.GalleyViewPager.java
@Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { // For simple implementation, our 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)); final int measuredWidth = getMeasuredWidth(); final int maxGutterSize = measuredWidth / 10; mGutterSize = Math.min(maxGutterSize, mDefaultGutterSize); // Children are just made to fill our space. int childWidthSize = (measuredWidth - getPaddingLeft() - getPaddingRight()) - mEndWidth - mPageMargin; int childHeightSize = getMeasuredHeight() - getPaddingTop() - getPaddingBottom(); /*/*from w w w. ja va2s . com*/ * 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; 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; } int widthSize = childWidthSize; int heightSize = childHeightSize; if (lp.width != LayoutParams.WRAP_CONTENT) { widthMode = MeasureSpec.EXACTLY; if (lp.width != LayoutParams.FILL_PARENT) { widthSize = lp.width; } } if (lp.height != LayoutParams.WRAP_CONTENT) { heightMode = MeasureSpec.EXACTLY; if (lp.height != LayoutParams.FILL_PARENT) { heightSize = lp.height; } } final int widthSpec = MeasureSpec.makeMeasureSpec(widthSize, widthMode); final int heightSpec = MeasureSpec.makeMeasureSpec(heightSize, heightMode); child.measure(widthSpec, heightSpec); if (consumeVertical) { childHeightSize -= child.getMeasuredHeight(); } else if (consumeHorizontal) { childWidthSize -= child.getMeasuredWidth(); } } } } 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) { final int widthSpec = MeasureSpec.makeMeasureSpec((int) (childWidthSize * lp.widthFactor), MeasureSpec.EXACTLY); child.measure(widthSpec, mChildHeightMeasureSpec); } } } }