Draggable grid view with divided line.

Add the dependency to your build.gradle.

compile 'com.github.andyken:divideddraggableview:1.2'

You should new the DividedDraggableView and setItemCount,then add your view by calling addChildView.

DividedDraggableView dividedDraggableView = new DividedDraggableView(SampleActivity.this);
dividedDraggableView.setItemCount(mockViews.size());
for (ImageView imageView : mockViews) {
    dividedDraggableView.addChildView(imageView);
}
rootView.addView(dividedDraggableView);

• you can set the attributes at xml or by using DividedDraggableView.Builder.
• you can set the attributes such as rowHeight,itemWidth,itemHeight,rowPadding.
• you can set the gap between group,group line count,group item count.text in group.
• you can set some color attributes like background color,gap color,group color,the color of text in gap.