Java tutorial
//package com.java2s; //License from project: Open Source License import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Bitmap.Config; public class Main { public static int BACKGROUND_COLOR = Color.argb(255, 128, 128, 128); public static Bitmap drawEmptyBackground(int size) { Bitmap bitmap = Bitmap.createBitmap(size, size, Config.RGB_565); Canvas cv = new Canvas(bitmap); Paint background = new Paint(); background.setColor(BACKGROUND_COLOR); cv.drawRect(0, 0, size, size, background); return bitmap; } }