Grid item view holder for GirdView which show the border lines properly.

framework_view_griditem.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <View
        android:id="@+id/line_top"
        android:layout_width="match_parent"
        android:layout_height="@dimen/grid_item_line"
        android:layout_alignParentTop="true"
        android:background="@color/line_color" />

    <View
        android:id="@+id/line_bottom"
        android:layout_width="match_parent"
        android:layout_height="@dimen/grid_item_line"
        android:layout_alignParentBottom="true"
        android:background="@color/line_color" />

    <View
        android:id="@+id/line_left"
        android:layout_width="@dimen/grid_item_line"
        android:layout_height="@dimen/home_grid_item_height"
        android:layout_alignParentLeft="true"
        android:background="@color/line_color" />

    <View
        android:id="@+id/line_right"
        android:layout_width="@dimen/grid_item_line"
        android:layout_height="@dimen/home_grid_item_height"
        android:layout_alignParentRight="true"
        android:background="@color/line_color" />

    <FrameLayout
        android:id="@+id/content_layout"
        android:layout_width="match_parent"
        android:layout_height="@dimen/home_grid_item_height"
        android:layout_centerInParent="true" >
    </FrameLayout>

</RelativeLayout>

GridItemView.java

public class GridItemView {
	private View mView = null;
	private FrameLayout mContentLayout = null;
	private View mTopLine = null;
	private View mBottomLine = null;
	private View mLeftLine = null;
	private View mRightLine = null;

	public GridItemView(LayoutInflater inflater, int contentLayoutResId) {
		mView = inflater.inflate(R.layout.framework_view_griditem, null);
		mView.setTag(this);
		//
		mContentLayout = (FrameLayout) mView.findViewById(R.id.content_layout);
		mContentLayout.addView(inflater.inflate(contentLayoutResId, null));
		//
		mTopLine = (View) mView.findViewById(R.id.line_top);
		mBottomLine = (View) mView.findViewById(R.id.line_bottom);
		mLeftLine = (View) mView.findViewById(R.id.line_left);
		mRightLine = (View) mView.findViewById(R.id.line_right);
	}

	public void setLineVisible(int totalCount, int columnCount, int position) {
		// 只有一个item
		if (totalCount < 2) {
			mTopLine.setVisibility(View.VISIBLE);
			mBottomLine.setVisibility(View.VISIBLE);
			mLeftLine.setVisibility(View.VISIBLE);
			mRightLine.setVisibility(View.VISIBLE);
			return;
		}
		// 只有一行
		if (totalCount == columnCount) {
			mTopLine.setVisibility(View.VISIBLE);
			mBottomLine.setVisibility(View.VISIBLE);
			mRightLine.setVisibility(View.VISIBLE);
			if (position == 0) {// 第一个
				mLeftLine.setVisibility(View.VISIBLE);
			} else {// 后面的
				mLeftLine.setVisibility(View.GONE);
			}
			return;
		}
		// 只有一列
		if (columnCount < 2) {
			mLeftLine.setVisibility(View.VISIBLE);
			mRightLine.setVisibility(View.VISIBLE);
			mBottomLine.setVisibility(View.VISIBLE);
			if (position == 0) {// 第一个
				mTopLine.setVisibility(View.VISIBLE);
			} else {// 后面的
				mTopLine.setVisibility(View.GONE);
			}
			return;
		}
		// 至少两行两列
		if (position == 0) {// 0, 0
			mLeftLine.setVisibility(View.VISIBLE);
			mRightLine.setVisibility(View.VISIBLE);
			mTopLine.setVisibility(View.VISIBLE);
			mBottomLine.setVisibility(View.VISIBLE);
		} else if (position / columnCount == 0) {// 第一行
			mLeftLine.setVisibility(View.GONE);
			mRightLine.setVisibility(View.VISIBLE);
			mTopLine.setVisibility(View.VISIBLE);
			mBottomLine.setVisibility(View.VISIBLE);
		} else if(position % columnCount == 0) {//第一列
			mLeftLine.setVisibility(View.VISIBLE);
			mRightLine.setVisibility(View.VISIBLE);
			mTopLine.setVisibility(View.GONE);
			mBottomLine.setVisibility(View.VISIBLE);
		} else {//其他的
			mLeftLine.setVisibility(View.GONE);
			mRightLine.setVisibility(View.VISIBLE);
			mTopLine.setVisibility(View.GONE);
			mBottomLine.setVisibility(View.VISIBLE);
		}
	}

	public View findViewOfContentById(int id) {
		return mContentLayout.findViewById(id);
	}

	public View getView() {
		return mView;
	}

}