Java tutorial
//package com.java2s; //License from project: Open Source License import android.content.Context; import android.graphics.Bitmap; import android.graphics.Bitmap.Config; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Rect; import android.graphics.Typeface; public class Main { static Bitmap generatorContactCountIcon(Context context, Bitmap icon) { int iconSize = (int) context.getResources().getDimension(android.R.dimen.app_icon_size); Bitmap contactIcon = Bitmap.createBitmap(iconSize, iconSize, Config.ARGB_8888); Canvas canvas = new Canvas(contactIcon); Paint iconPaint = new Paint(); iconPaint.setDither(true); iconPaint.setFilterBitmap(true); Rect src = new Rect(0, 0, icon.getWidth(), icon.getHeight()); Rect dst = new Rect(0, 0, iconSize, iconSize); canvas.drawBitmap(icon, src, dst, iconPaint); int contacyCount = 11; Paint countPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG); countPaint.setColor(Color.RED); countPaint.setTextSize(20f); countPaint.setTypeface(Typeface.DEFAULT_BOLD); canvas.drawText(String.valueOf(contacyCount), iconSize - 18, 25, countPaint); return contactIcon; } }