Java tutorial
//package com.java2s; import java.io.File; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; public class Main { @SuppressWarnings("deprecation") public static Drawable getDrawableFromFile(File pngFile, int density) { Bitmap bmp = BitmapFactory.decodeFile(pngFile.getPath()); bmp.setDensity(density); return new BitmapDrawable(bmp); } public static Drawable getDrawableFromFile(Context context, File pngFile, int density) { Bitmap bmp = BitmapFactory.decodeFile(pngFile.getPath()); if (bmp != null) bmp.setDensity(density); return new BitmapDrawable(context.getResources(), bmp); } public static Drawable getDrawableFromFile(File pngFile) { return Drawable.createFromPath(pngFile.getPath()); } }