Java 生成字符串的Hash值: /** * A hashing method that changes a string (like a URL) into a hash suitable for using as a * disk filename. */ public static String hashKeyForDisk(String key) { String cacheKey; try { final MessageDigest mDigest = MessageDigest.g
android通过BitmapFactory.decodeFile获取图片bitmap报内存溢出的解决办法 原方法: public static Bitmap getSmallBitmap(String filePath, int reqWidth, int reqHeight) { final BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; Bitma