A simple view that builds out a grid.

frag_deleteme.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <tv.revolt.android.view.IAPWatchGridView
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

</LinearLayout>

IAPWatchGridView.java

package tv.revolt.android.view;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.util.AttributeSet;
import android.view.View;

/**
 * @author npike
 *
 */
public class IAPWatchGridView extends View {

	private Paint mPaintGrid;
	private int mCellWidth = 30;
	private int mCellHeight = mCellWidth;
	private int mStrokeWidth = 5;

	public IAPWatchGridView(Context context, AttributeSet attrs) {
		super(context, attrs);
		 
		
		mPaintGrid = new Paint();
		mPaintGrid.setStyle(Style.STROKE);
		mPaintGrid.setColor(Color.BLACK);
		mPaintGrid.setStrokeWidth(mStrokeWidth);
	}

	@Override
	protected void onDraw(Canvas canvas) {
		if (getWidth() > 0 && getHeight() > 0) {
			
			// Fill the canvas with our background color
			canvas.drawColor(Color.GRAY);
			
			// draw the grid
			for (int x = 0; x < getWidth(); x += mCellWidth) {
				for (int y = 0; y < getHeight(); y += mCellHeight) {
					canvas.drawRect(x, y, x+mCellWidth, y+mCellHeight, mPaintGrid);
				}
			}
			
		} else {
			// View probably hasn't been measured yet.
			super.onDraw(canvas);
		}
	}
}