List of usage examples for android.view View getMeasuredWidth
public final int getMeasuredWidth()
From source file:com.cncom.app.common.uikit.component.LoopViewPager.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. int widthSpecSize = getDefaultSize(MeasureSpec.UNSPECIFIED, widthMeasureSpec); int heightSpecSize = getDefaultSize(MeasureSpec.UNSPECIFIED, heightMeasureSpec); if (mRatio > 0F) { heightSpecSize = (int) (widthSpecSize * this.mRatio); }/*from w w w. j a v a 2 s . co m*/ setMeasuredDimension(widthSpecSize, heightSpecSize); 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(); /* * 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.example.uidemo.widget.waterfall.StaggeredGridView.java
/** * Measure and layout all currently visible children. * * @param queryAdapter true to requery the adapter for view data *///from w ww . j a va 2s .c om final void layoutChildren(boolean queryAdapter) { final int paddingLeft = getPaddingLeft(); final int paddingRight = getPaddingRight(); final int itemMargin = mItemMargin; final int colWidth = (getWidth() - paddingLeft - paddingRight - itemMargin * (mColCount - 1)) / mColCount; mColWidth = colWidth; int rebuildLayoutRecordsBefore = -1; int rebuildLayoutRecordsAfter = -1; Arrays.fill(mItemBottoms, Integer.MIN_VALUE); final int childCount = getChildCount(); int amountRemoved = 0; for (int i = 0; i < childCount; i++) { View child = getChildAt(i); LayoutParams lp = (LayoutParams) child.getLayoutParams(); final int col = lp.column; final int position = mFirstPosition + i; final boolean needsLayout = queryAdapter || child.isLayoutRequested(); if (queryAdapter) { View newView = obtainView(position, child); if (newView == null) { // child has been removed removeViewAt(i); if (i - 1 >= 0) invalidateLayoutRecordsAfterPosition(i - 1); amountRemoved++; continue; } else if (newView != child) { removeViewAt(i); addView(newView, i); child = newView; } lp = (LayoutParams) child.getLayoutParams(); // Might have changed } final int span = Math.min(mColCount, lp.span); final int widthSize = colWidth * span + itemMargin * (span - 1); if (needsLayout) { final int widthSpec = MeasureSpec.makeMeasureSpec(widthSize, MeasureSpec.EXACTLY); final int heightSpec; if (lp.height == LayoutParams.WRAP_CONTENT) { heightSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); } else { heightSpec = MeasureSpec.makeMeasureSpec(lp.height, MeasureSpec.EXACTLY); } child.measure(widthSpec, heightSpec); } int childTop = mItemBottoms[col] > Integer.MIN_VALUE ? mItemBottoms[col] + mItemMargin : child.getTop(); if (span > 1) { int lowest = childTop; for (int j = col + 1; j < col + span; j++) { final int bottom = mItemBottoms[j] + mItemMargin; if (bottom > lowest) { lowest = bottom; } } childTop = lowest; } final int childHeight = child.getMeasuredHeight(); final int childBottom = childTop + childHeight; final int childLeft = paddingLeft + col * (colWidth + itemMargin); final int childRight = childLeft + child.getMeasuredWidth(); child.layout(childLeft, childTop, childRight, childBottom); for (int j = col; j < col + span; j++) { mItemBottoms[j] = childBottom; } final LayoutRecord rec = mLayoutRecords.get(position); if (rec != null && rec.height != childHeight) { // Invalidate our layout records for everything before this. rec.height = childHeight; rebuildLayoutRecordsBefore = position; } if (rec != null && rec.span != span) { // Invalidate our layout records for everything after this. rec.span = span; rebuildLayoutRecordsAfter = position; } } // Update mItemBottoms for any empty columns for (int i = 0; i < mColCount; i++) { if (mItemBottoms[i] == Integer.MIN_VALUE) { mItemBottoms[i] = mItemTops[i]; } } if (rebuildLayoutRecordsBefore >= 0 || rebuildLayoutRecordsAfter >= 0) { if (rebuildLayoutRecordsBefore >= 0) { invalidateLayoutRecordsBeforePosition(rebuildLayoutRecordsBefore); } if (rebuildLayoutRecordsAfter >= 0) { invalidateLayoutRecordsAfterPosition(rebuildLayoutRecordsAfter); } for (int i = 0; i < (childCount - amountRemoved); i++) { final int position = mFirstPosition + i; final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); LayoutRecord rec = mLayoutRecords.get(position); if (rec == null) { rec = new LayoutRecord(); mLayoutRecords.put(position, rec); } rec.column = lp.column; rec.height = child.getHeight(); rec.id = lp.id; rec.span = Math.min(mColCount, lp.span); } } if (this.mSelectorPosition != INVALID_POSITION) { View child = getChildAt(mMotionPosition - mFirstPosition); if (child != null) positionSelector(mMotionPosition, child); } else if (mTouchMode > TOUCH_MODE_DOWN) { View child = getChildAt(mMotionPosition - mFirstPosition); if (child != null) positionSelector(mMotionPosition, child); } else { mSelectorRect.setEmpty(); } }
From source file:cn.iterlog.myapplication.widget.overscroll.StaggeredGridView.java
/** * Measure and layout all currently visible children. * * @param queryAdapter true to requery the adapter for view data *//*w ww .j a v a 2 s . c om*/ final void layoutChildren(boolean queryAdapter) { final int paddingLeft = getPaddingLeft(); final int paddingRight = getPaddingRight(); final int itemMargin = mItemMargin; final int colWidth = (getWidth() - paddingLeft - paddingRight - itemMargin * (mColCount - 1)) / mColCount; mColWidth = colWidth; int rebuildLayoutRecordsBefore = -1; int rebuildLayoutRecordsAfter = -1; Arrays.fill(mItemBottoms, Integer.MIN_VALUE); final int childCount = getChildCount(); int amountRemoved = 0; for (int i = 0; i < childCount; i++) { View child = getChildAt(i); LayoutParams lp = (LayoutParams) child.getLayoutParams(); final int col = lp.column; final int position = mFirstPosition + i; final boolean needsLayout = queryAdapter || child.isLayoutRequested(); if (queryAdapter) { View newView = obtainView(position, child); if (newView == null) { // child has been removed removeViewAt(i); if (i - 1 >= 0) invalidateLayoutRecordsAfterPosition(i - 1); amountRemoved++; continue; } else if (newView != child) { removeViewAt(i); addView(newView, i); child = newView; } lp = (LayoutParams) child.getLayoutParams(); // Might have changed } final int span = Math.min(mColCount, lp.span); final int widthSize = colWidth * span + itemMargin * (span - 1); if (needsLayout) { final int widthSpec = MeasureSpec.makeMeasureSpec(widthSize, MeasureSpec.EXACTLY); final int heightSpec; if (lp.height == LayoutParams.WRAP_CONTENT) { heightSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); } else { heightSpec = MeasureSpec.makeMeasureSpec(lp.height, MeasureSpec.EXACTLY); } child.measure(widthSpec, heightSpec); } int childTop = mItemBottoms[col] > Integer.MIN_VALUE ? mItemBottoms[col] + mItemMargin : child.getTop(); if (span > 1) { int lowest = childTop; for (int j = col + 1; j < col + span; j++) { final int bottom = mItemBottoms[j] + mItemMargin; if (bottom > lowest) { lowest = bottom; } } childTop = lowest; } final int childHeight = child.getMeasuredHeight(); final int childBottom = childTop + childHeight; final int childLeft = paddingLeft + col * (colWidth + itemMargin); final int childRight = childLeft + child.getMeasuredWidth(); child.layout(childLeft, childTop, childRight, childBottom); for (int j = col; j < col + span; j++) { mItemBottoms[j] = childBottom; } final LayoutRecord rec = mLayoutRecords.get(position); if (rec != null && rec.height != childHeight) { // Invalidate our layout records for everything before this. rec.height = childHeight; rebuildLayoutRecordsBefore = position; } if (rec != null && rec.span != span) { // Invalidate our layout records for everything after this. rec.span = span; rebuildLayoutRecordsAfter = position; } } // Update mItemBottoms for any empty columns for (int i = 0; i < mColCount; i++) { if (mItemBottoms[i] == Integer.MIN_VALUE) { mItemBottoms[i] = mItemTops[i]; } } if (rebuildLayoutRecordsBefore >= 0 || rebuildLayoutRecordsAfter >= 0) { if (rebuildLayoutRecordsBefore >= 0) { invalidateLayoutRecordsBeforePosition(rebuildLayoutRecordsBefore); } if (rebuildLayoutRecordsAfter >= 0) { invalidateLayoutRecordsAfterPosition(rebuildLayoutRecordsAfter); } for (int i = 0; i < (childCount - amountRemoved); i++) { final int position = mFirstPosition + i; final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); LayoutRecord rec = mLayoutRecords.get(position); if (rec == null) { rec = new LayoutRecord(); mLayoutRecords.put(position, rec); } rec.column = lp.column; rec.height = child.getHeight(); rec.id = lp.id; rec.span = Math.min(mColCount, lp.span); } } if (this.mSelectorPosition != INVALID_POSITION) { View child = getChildAt(mMotionPosition - mFirstPosition); if (child != null) positionSelector(mMotionPosition, child); } else if (mTouchMode > TOUCH_MODE_DOWN) { View child = getChildAt(mMotionPosition - mFirstPosition); if (child != null) positionSelector(mMotionPosition, child); } else { mSelectorRect.setEmpty(); } }
From source file:com.bloomimpact.bancus.ui.views.VerticalViewPager.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 = measuredHeight - getPaddingTop() - getPaddingBottom(); /*// w w w . jav a 2s .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.heightFactor), MeasureSpec.EXACTLY); child.measure(widthSpec, mChildHeightMeasureSpec); } } } }
From source file:com.aizou.core.widget.pagerIndicator.viewpager.FixedViewPager.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(); /*//from w ww . j a v a 2s. 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); } } } }
From source file:com.github.songnick.viewgroup.ScaleViewPager.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 w w. j a v a2s.c om*/ * 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); Log.e(TAG, " cooooooo "); 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:cn.trinea.android.common.view.CycleViewPager.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)); 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(); /*/*from w w w . j a v a 2 s .c om*/ * 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.ad.view.staggeredgridview.StaggeredGridView.java
/** * Measure and layout all currently visible children. * /*from w w w. jav a 2 s .c o m*/ * @param queryAdapter * true to requery the adapter for view data */ final void layoutChildren(boolean queryAdapter) { final int paddingLeft = getPaddingLeft(); final int paddingRight = getPaddingRight(); final int itemMargin = mItemMargin; final int colWidth = (getWidth() - paddingLeft - paddingRight - itemMargin * (mColCount - 1)) / mColCount; mColWidth = colWidth; int rebuildLayoutRecordsBefore = -1; int rebuildLayoutRecordsAfter = -1; Arrays.fill(mItemBottoms, Integer.MIN_VALUE); final int childCount = getChildCount(); int amountRemoved = 0; for (int i = 0; i < childCount; i++) { View child = getChildAt(i); LayoutParams lp = (LayoutParams) child.getLayoutParams(); final int col = lp.column; final int position = mFirstPosition + i; final boolean needsLayout = queryAdapter || child.isLayoutRequested(); if (queryAdapter) { View newView = obtainView(position, child); if (newView == null) { // child has been removed removeViewAt(i); if (i - 1 >= 0) invalidateLayoutRecordsAfterPosition(i - 1); amountRemoved++; continue; } else if (newView != child) { removeViewAt(i); addView(newView, i); child = newView; } lp = (LayoutParams) child.getLayoutParams(); // Might have // changed } final int span = Math.min(mColCount, lp.span); final int widthSize = colWidth * span + itemMargin * (span - 1); if (needsLayout) { final int widthSpec = MeasureSpec.makeMeasureSpec(widthSize, MeasureSpec.EXACTLY); final int heightSpec; if (lp.height == LayoutParams.WRAP_CONTENT) { heightSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); } else { heightSpec = MeasureSpec.makeMeasureSpec(lp.height, MeasureSpec.EXACTLY); } child.measure(widthSpec, heightSpec); } int childTop = mItemBottoms[col] > Integer.MIN_VALUE ? mItemBottoms[col] + mItemMargin : child.getTop(); if (span > 1) { int lowest = childTop; for (int j = col + 1; j < col + span; j++) { final int bottom = mItemBottoms[j] + mItemMargin; if (bottom > lowest) { lowest = bottom; } } childTop = lowest; } final int childHeight = child.getMeasuredHeight(); final int childBottom = childTop + childHeight; final int childLeft = paddingLeft + col * (colWidth + itemMargin); final int childRight = childLeft + child.getMeasuredWidth(); child.layout(childLeft, childTop, childRight, childBottom); for (int j = col; j < col + span; j++) { mItemBottoms[j] = childBottom; } final LayoutRecord rec = mLayoutRecords.get(position); if (rec != null && rec.height != childHeight) { // Invalidate our layout records for everything before this. rec.height = childHeight; rebuildLayoutRecordsBefore = position; } if (rec != null && rec.span != span) { // Invalidate our layout records for everything after this. rec.span = span; rebuildLayoutRecordsAfter = position; } } // Update mItemBottoms for any empty columns for (int i = 0; i < mColCount; i++) { if (mItemBottoms[i] == Integer.MIN_VALUE) { mItemBottoms[i] = mItemTops[i]; } } if (rebuildLayoutRecordsBefore >= 0 || rebuildLayoutRecordsAfter >= 0) { if (rebuildLayoutRecordsBefore >= 0) { invalidateLayoutRecordsBeforePosition(rebuildLayoutRecordsBefore); } if (rebuildLayoutRecordsAfter >= 0) { invalidateLayoutRecordsAfterPosition(rebuildLayoutRecordsAfter); } for (int i = 0; i < (childCount - amountRemoved); i++) { final int position = mFirstPosition + i; final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); LayoutRecord rec = mLayoutRecords.get(position); if (rec == null) { rec = new LayoutRecord(); mLayoutRecords.put(position, rec); } rec.column = lp.column; rec.height = child.getHeight(); rec.id = lp.id; rec.span = Math.min(mColCount, lp.span); } } if (this.mSelectorPosition != INVALID_POSITION) { View child = getChildAt(mMotionPosition - mFirstPosition); if (child != null) positionSelector(mMotionPosition, child); } else if (mTouchMode > TOUCH_MODE_DOWN) { View child = getChildAt(mMotionPosition - mFirstPosition); if (child != null) positionSelector(mMotionPosition, child); } else { mSelectorRect.setEmpty(); } }
From source file:caesar.feng.framework.widget.StaggeredGrid.ExtendableListView.java
/** * Add a view as a child and make sure it is measured (if necessary) and * positioned properly./* ww w . j ava 2s . com*/ * * @param child The view to add * @param position The position of this child * @param y The y position relative to which this view will be positioned * @param flowDown If true, align top edge to y. If false, align bottom * edge to y. * @param selected Is this position selected? * @param recycled Has this view been pulled from the recycle bin? If so it * does not need to be remeasured. */ private void setupChild(View child, int position, int y, boolean flowDown, boolean selected, boolean recycled) { final boolean isSelected = false; // TODO : selected && shouldShowSelector(); final boolean updateChildSelected = isSelected != child.isSelected(); final int mode = mTouchMode; final boolean isPressed = mode > TOUCH_MODE_DOWN && mode < TOUCH_MODE_SCROLLING && mMotionPosition == position; final boolean updateChildPressed = isPressed != child.isPressed(); final boolean needToMeasure = !recycled || updateChildSelected || child.isLayoutRequested(); int itemViewType = mAdapter.getItemViewType(position); LayoutParams layoutParams; if (itemViewType == ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { layoutParams = generateWrapperLayoutParams(child); } else { layoutParams = generateChildLayoutParams(child); } layoutParams.viewType = itemViewType; layoutParams.position = position; if (recycled || (layoutParams.recycledHeaderFooter && layoutParams.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER)) { if (DBG) Log.d(TAG, "setupChild attachViewToParent position:" + position); attachViewToParent(child, flowDown ? -1 : 0, layoutParams); } else { if (DBG) Log.d(TAG, "setupChild addViewInLayout position:" + position); if (layoutParams.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { layoutParams.recycledHeaderFooter = true; } addViewInLayout(child, flowDown ? -1 : 0, layoutParams, true); } if (updateChildSelected) { child.setSelected(isSelected); } if (updateChildPressed) { child.setPressed(isPressed); } if (needToMeasure) { if (DBG) Log.d(TAG, "setupChild onMeasureChild position:" + position); onMeasureChild(child, layoutParams); } else { if (DBG) Log.d(TAG, "setupChild cleanupLayoutState position:" + position); cleanupLayoutState(child); } final int w = child.getMeasuredWidth(); final int h = child.getMeasuredHeight(); final int childTop = flowDown ? y : y - h; if (DBG) { Log.d(TAG, "setupChild position:" + position + " h:" + h + " w:" + w); } final int childrenLeft = getChildLeft(position); if (needToMeasure) { final int childRight = childrenLeft + w; final int childBottom = childTop + h; onLayoutChild(child, position, flowDown, childrenLeft, childTop, childRight, childBottom); } else { onOffsetChild(child, position, flowDown, childrenLeft, childTop); } }
From source file:com.baiiu.autoloopviewpager.loopvp.LoopViewPager.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)); 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(); /*//from www.j av a2 s . 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); } } } }