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Java LayoutManager类代码示例

本文整理汇总了Java中android.support.v7.widget.RecyclerView.LayoutManager类的典型用法代码示例。如果您正苦于以下问题：Java LayoutManager类的具体用法？Java LayoutManager怎么用？Java LayoutManager使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。


LayoutManager类属于android.support.v7.widget.RecyclerView包，在下文中一共展示了LayoutManager类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: isLastColum

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
private boolean isLastColum(RecyclerView parent, int pos, int spanCount,
                            int childCount) {
    LayoutManager layoutManager = parent.getLayoutManager();
    if (layoutManager instanceof GridLayoutManager) {
        if ((pos + 1) % spanCount == 0)// 如果是最后一列，则不需要绘制右边
        {
            return true;
        }
    } else if (layoutManager instanceof StaggeredGridLayoutManager) {
        int orientation = ((StaggeredGridLayoutManager) layoutManager)
                .getOrientation();
        if (orientation == StaggeredGridLayoutManager.VERTICAL) {
            if ((pos + 1) % spanCount == 0)// 如果是最后一列，则不需要绘制右边
            {
                return true;
            }
        } else {
            childCount = childCount - childCount % spanCount;
            if (pos >= childCount)// 如果是最后一列，则不需要绘制右边
                return true;
        }
    }
    return false;
}
开发者ID:weiwenqiang，项目名称:GitHub，代码行数:25，代码来源:DividerGridItemDecoration.java

示例2: isLastColum

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
private boolean isLastColum(RecyclerView parent, int pos, int spanCount,
                            int childCount) {
    LayoutManager layoutManager = parent.getLayoutManager();
    if (layoutManager instanceof GridLayoutManager) {
        if ((pos + 1) % spanCount == 0)// 如果是最后一列，则不需要绘制右边
        {
            return true;
        }
    } else if (layoutManager instanceof StaggeredGridLayoutManager) {
        StaggeredGridLayoutManager manager = ((StaggeredGridLayoutManager) layoutManager);
        if (manager.getOrientation() == StaggeredGridLayoutManager.VERTICAL) {
            View view = parent.getChildAt(pos);
            if (view != null && ((StaggeredGridLayoutManager.LayoutParams) view.getLayoutParams())
                    .getSpanIndex() == ((StaggeredGridLayoutManager) layoutManager).getSpanCount()) {
                // 如果是最后一列，则不需要绘制右边
                return true;
            }
        } else {
            childCount = childCount - childCount % spanCount;
            if (pos >= childCount)// 如果是最后一列，则不需要绘制右边
                return true;
        }
    }
    return false;
}
开发者ID:weiwenqiang，项目名称:GitHub，代码行数:26，代码来源:DividerGridItemDecoration.java

示例3: getSpanCount

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
private int getSpanCount(RecyclerView parent)
{
	// 列数
	int spanCount = -1;
	LayoutManager layoutManager = parent.getLayoutManager();
	if (layoutManager instanceof GridLayoutManager)
	{

		spanCount = ((GridLayoutManager) layoutManager).getSpanCount();
	} else if (layoutManager instanceof StaggeredGridLayoutManager)
	{
		spanCount = ((StaggeredGridLayoutManager) layoutManager)
				.getSpanCount();
	}
	return spanCount;
}
开发者ID:weiwenqiang，项目名称:GitHub，代码行数:17，代码来源:DividerGridItemDecoration.java

示例4: getSpanCount

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
private int getSpanCount(RecyclerView parent)
{
    // 列数
    int spanCount = -1;
    LayoutManager layoutManager = parent.getLayoutManager();
    if (layoutManager instanceof GridLayoutManager)
    {

        spanCount = ((GridLayoutManager) layoutManager).getSpanCount();
    } else if (layoutManager instanceof StaggeredGridLayoutManager)
    {
        spanCount = ((StaggeredGridLayoutManager) layoutManager)
                .getSpanCount();
    }
    return spanCount;
}
开发者ID:wp521，项目名称:MyFire，代码行数:17，代码来源:DividerGridItemDecoration.java

示例5: onCreate

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_animation_picture);
    picturesRv = (RecyclerView) findViewById(R.id.rv_picture);
    smartRefreshLayout = (SmartRefreshLayout) findViewById(R.id.smart_refresh_layout_picture);
    smartRefreshLayout.setOnRefreshLoadmoreListener(this);
    LayoutManager layoutManager = new GridLayoutManager(this,3);
    picturesRv.setLayoutManager(layoutManager);
    pictureAdapter = new PictureAdapter(pictureList,this);
    picturesRv.setAdapter(pictureAdapter);
    if(!pictureList.isEmpty()){
        smartRefreshLayout.finishLoadmore();
        smartRefreshLayout.finishRefresh();
        pictureAdapter.notifyDataSetChanged();
    }else {
    smartRefreshLayout.autoRefresh();
    }
}
开发者ID:NicoLiutong，项目名称:miaosou，代码行数:20，代码来源:AnimationPicture.java

示例6: onMoved

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
public void onMoved(RecyclerView recyclerView, ViewHolder viewHolder, int fromPos, ViewHolder target, int toPos, int x, int y) {
    LayoutManager layoutManager = recyclerView.getLayoutManager();
    if (layoutManager instanceof ViewDropHandler) {
        ((ViewDropHandler) layoutManager).prepareForDrop(viewHolder.itemView, target.itemView, x, y);
        return;
    }
    if (layoutManager.canScrollHorizontally()) {
        if (layoutManager.getDecoratedLeft(target.itemView) <= recyclerView.getPaddingLeft()) {
            recyclerView.scrollToPosition(toPos);
        }
        if (layoutManager.getDecoratedRight(target.itemView) >= recyclerView.getWidth() - recyclerView.getPaddingRight()) {
            recyclerView.scrollToPosition(toPos);
        }
    }
    if (layoutManager.canScrollVertically()) {
        if (layoutManager.getDecoratedTop(target.itemView) <= recyclerView.getPaddingTop()) {
            recyclerView.scrollToPosition(toPos);
        }
        if (layoutManager.getDecoratedBottom(target.itemView) >= recyclerView.getHeight() - recyclerView.getPaddingBottom()) {
            recyclerView.scrollToPosition(toPos);
        }
    }
}
开发者ID:JackChan1999，项目名称:letv，代码行数:24，代码来源:ItemTouchHelper.java

示例7: findSwipedView

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
private ViewHolder findSwipedView(MotionEvent motionEvent) {
    LayoutManager lm = this.mRecyclerView.getLayoutManager();
    if (this.mActivePointerId == -1) {
        return null;
    }
    int pointerIndex = MotionEventCompat.findPointerIndex(motionEvent, this.mActivePointerId);
    float dy = MotionEventCompat.getY(motionEvent, pointerIndex) - this.mInitialTouchY;
    float absDx = Math.abs(MotionEventCompat.getX(motionEvent, pointerIndex) - this.mInitialTouchX);
    float absDy = Math.abs(dy);
    if (absDx < ((float) this.mSlop) && absDy < ((float) this.mSlop)) {
        return null;
    }
    if (absDx > absDy && lm.canScrollHorizontally()) {
        return null;
    }
    if (absDy > absDx && lm.canScrollVertically()) {
        return null;
    }
    View child = findChildView(motionEvent);
    if (child != null) {
        return this.mRecyclerView.getChildViewHolder(child);
    }
    return null;
}
开发者ID:JackChan1999，项目名称:letv，代码行数:25，代码来源:ItemTouchHelper.java

示例8: setMeasuredDimension

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
public void setMeasuredDimension(Rect childrenBounds, int wSpec, int hSpec) {
    int height;
    int width;
    if (this.mCachedBorders == null) {
        super.setMeasuredDimension(childrenBounds, wSpec, hSpec);
    }
    int horizontalPadding = getPaddingLeft() + getPaddingRight();
    int verticalPadding = getPaddingTop() + getPaddingBottom();
    if (this.mOrientation == 1) {
        height = LayoutManager.chooseSize(hSpec, childrenBounds.height() + verticalPadding, getMinimumHeight());
        width = LayoutManager.chooseSize(wSpec, this.mCachedBorders[this.mCachedBorders.length - 1] + horizontalPadding, getMinimumWidth());
    } else {
        width = LayoutManager.chooseSize(wSpec, childrenBounds.width() + horizontalPadding, getMinimumWidth());
        height = LayoutManager.chooseSize(hSpec, this.mCachedBorders[this.mCachedBorders.length - 1] + verticalPadding, getMinimumHeight());
    }
    setMeasuredDimension(width, height);
}
开发者ID:JackChan1999，项目名称:letv，代码行数:18，代码来源:GridLayoutManager.java

示例9: isLastColum

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
private boolean isLastColum(RecyclerView parent, int pos, int spanCount,
                            int childCount) {
    LayoutManager layoutManager = parent.getLayoutManager();
    if (layoutManager instanceof GridLayoutManager) {
        if ((pos + 1) % spanCount == 0)
        // 如果是最后一列，则不需要绘制右边
        {
            return true;
        }
    } else if (layoutManager instanceof StaggeredGridLayoutManager) {
        int orientation = ((StaggeredGridLayoutManager) layoutManager)
                .getOrientation();
        if (orientation == StaggeredGridLayoutManager.VERTICAL) {
            if ((pos + 1) % spanCount == 0)// 如果是最后一列，则不需要绘制右边
            {
                return true;
            }
        } else {
            childCount = childCount - childCount % spanCount;
            if (pos >= childCount)// 如果是最后一列，则不需要绘制右边
                return true;
        }
    }
    return false;
}
开发者ID:zuoni1018，项目名称:CoordinatorLayoutExample-master，代码行数:26，代码来源:DividerGridItemDecoration.java

示例10: isLastRaw

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
private boolean isLastRaw(RecyclerView parent, int pos, int spanCount,
                          int childCount) {
    LayoutManager layoutManager = parent.getLayoutManager();
    if (layoutManager instanceof GridLayoutManager) {
        childCount = childCount - childCount % spanCount;
        if (pos >= childCount)// 如果是最后一行，则不需要绘制底部
            return true;
    } else if (layoutManager instanceof StaggeredGridLayoutManager) {
        int orientation = ((StaggeredGridLayoutManager) layoutManager)
                .getOrientation();
        // StaggeredGridLayoutManager 且纵向滚动
        if (orientation == StaggeredGridLayoutManager.VERTICAL) {
            childCount = childCount - childCount % spanCount;
            // 如果是最后一行，则不需要绘制底部
            if (pos >= childCount)
                return true;
            // StaggeredGridLayoutManager 且横向滚动
        } else {
            // 如果是最后一行，则不需要绘制底部
            if ((pos + 1) % spanCount == 0) {
                return true;
            }
        }
    }
    return false;
}
开发者ID:zuoni1018，项目名称:CoordinatorLayoutExample-master，代码行数:27，代码来源:DividerGridItemDecoration.java

示例11: isLastColumn

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
private boolean isLastColumn(RecyclerView parent, int pos, int spanCount, int childCount) {
    LayoutManager layoutManager = parent.getLayoutManager();
    if (layoutManager instanceof GridLayoutManager) {
        if ((pos + 1) % spanCount == 0) {
            // 如果是最后一列，则不需要绘制右边
            return true;
        }
    } else if (layoutManager instanceof StaggeredGridLayoutManager) {
        int orientation = ((StaggeredGridLayoutManager) layoutManager).getOrientation();
        if (orientation == StaggeredGridLayoutManager.VERTICAL) {
            if ((pos + 1) % spanCount == 0) {
                // 如果是最后一列，则不需要绘制右边
                return true;
            }
        } else {
            childCount = childCount - childCount % spanCount;
            if (pos >= childCount) {
                // 如果是最后一列，则不需要绘制右边
                return true;
            }
        }
    }
    return false;
}
开发者ID:liying2008，项目名称:Simpler，代码行数:25，代码来源:GridItemDividerDecoration.java

示例12: isLastRaw

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
private boolean isLastRaw(RecyclerView parent, int pos, int spanCount, int childCount) {
    LayoutManager layoutManager = parent.getLayoutManager();
    if (layoutManager instanceof GridLayoutManager) {
        childCount = childCount - childCount % spanCount;
        if (pos >= childCount) {
            // 如果是最后一行，则不需要绘制底部
            return true;
        }
    } else if (layoutManager instanceof StaggeredGridLayoutManager) {
        int orientation = ((StaggeredGridLayoutManager) layoutManager).getOrientation();
        // StaggeredGridLayoutManager 且纵向滚动
        if (orientation == StaggeredGridLayoutManager.VERTICAL) {
            childCount = childCount - childCount % spanCount;
            // 如果是最后一行，则不需要绘制底部
            if (pos >= childCount)
                return true;
        } else {
            // StaggeredGridLayoutManager 且横向滚动
            // 如果是最后一行，则不需要绘制底部
            if ((pos + 1) % spanCount == 0) {
                return true;
            }
        }
    }
    return false;
}
开发者ID:liying2008，项目名称:Simpler，代码行数:27，代码来源:GridItemDividerDecoration.java

示例13: isLastColum

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
private boolean isLastColum(RecyclerView parent, int pos, int spanCount, int childCount) {
    LayoutManager layoutManager = parent.getLayoutManager();
    if (layoutManager instanceof GridLayoutManager) {
        if ((pos + 1) % spanCount == 0) {
            return true;
        }
    } else if (layoutManager instanceof StaggeredGridLayoutManager) {
        if (((StaggeredGridLayoutManager) layoutManager).getOrientation() == 1) {
            if ((pos + 1) % spanCount == 0) {
                return true;
            }
        } else if (pos >= childCount - (childCount % spanCount)) {
            return true;
        }
    }
    return false;
}
开发者ID:JackChan1999，项目名称:boohee_v5.6，代码行数:18，代码来源:DividerGridItemDecoration.java

示例14: isLastRaw

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
private boolean isLastRaw(RecyclerView parent, int pos, int spanCount, int childCount) {
    LayoutManager layoutManager = parent.getLayoutManager();
    if (layoutManager instanceof GridLayoutManager) {
        if (pos >= childCount - (childCount % spanCount)) {
            return true;
        }
    } else if (layoutManager instanceof StaggeredGridLayoutManager) {
        if (((StaggeredGridLayoutManager) layoutManager).getOrientation() == 1) {
            if (pos >= childCount - (childCount % spanCount)) {
                return true;
            }
        } else if ((pos + 1) % spanCount == 0) {
            return true;
        }
    }
    return false;
}
开发者ID:JackChan1999，项目名称:boohee_v5.6，代码行数:18，代码来源:DividerGridItemDecoration.java

示例15: findSwapTargets

import android.support.v7.widget.RecyclerView.LayoutManager; //导入依赖的package包/类
private List<ViewHolder> findSwapTargets(ViewHolder viewHolder) {
    if (this.mSwapTargets == null) {
        this.mSwapTargets = new ArrayList();
        this.mDistances = new ArrayList();
    } else {
        this.mSwapTargets.clear();
        this.mDistances.clear();
    }
    int margin = this.mCallback.getBoundingBoxMargin();
    int left = Math.round(this.mSelectedStartX + this.mDx) - margin;
    int top = Math.round(this.mSelectedStartY + this.mDy) - margin;
    int right = (viewHolder.itemView.getWidth() + left) + (margin * 2);
    int bottom = (viewHolder.itemView.getHeight() + top) + (margin * 2);
    int centerX = (left + right) / 2;
    int centerY = (top + bottom) / 2;
    LayoutManager lm = this.mRecyclerView.getLayoutManager();
    int childCount = lm.getChildCount();
    for (int i = 0; i < childCount; i++) {
        View other = lm.getChildAt(i);
        if (other != viewHolder.itemView && other.getBottom() >= top && other.getTop() <= bottom && other.getRight() >= left && other.getLeft() <= right) {
            ViewHolder otherVh = this.mRecyclerView.getChildViewHolder(other);
            if (this.mCallback.canDropOver(this.mRecyclerView, this.mSelected, otherVh)) {
                int dx = Math.abs(centerX - ((other.getLeft() + other.getRight()) / 2));
                int dy = Math.abs(centerY - ((other.getTop() + other.getBottom()) / 2));
                int dist = (dx * dx) + (dy * dy);
                int pos = 0;
                int cnt = this.mSwapTargets.size();
                int j = 0;
                while (j < cnt && dist > ((Integer) this.mDistances.get(j)).intValue()) {
                    pos++;
                    j++;
                }
                this.mSwapTargets.add(pos, otherVh);
                this.mDistances.add(pos, Integer.valueOf(dist));
            }
        }
    }
    return this.mSwapTargets;
}
开发者ID:JackChan1999，项目名称:boohee_v5.6，代码行数:40，代码来源:ItemTouchHelper.java


注：本文中的android.support.v7.widget.RecyclerView.LayoutManager类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。