43.Android Base64Util

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43.Android Base64Util

public class Base64Util {    /**     * bitmap轉成base64     *     * @param bitmap bitmap     * @return base64     */    public String bitmapToBase64(Bitmap bitmap) {        // 將Bitmap轉換成字串        String base64;        ByteArrayOutputStream bStream = new ByteArrayOutputStream();        bitmap.compress(Bitmap.CompressFormat.PNG, 100, bStream);        byte[] bytes = bStream.toByteArray();        base64 = Base64.encodeToString(bytes, Base64.DEFAULT);        return base64;    }    /**     * base64轉成bitmap     *     * @param base64 base64     * @return bitmap     */    public Bitmap base64ToBitmap(String base64) {        // 將字串轉換成Bitmap類型        Bitmap bitmap = null;        try {            byte[] bitmapArray;            bitmapArray = Base64.decode(base64, Base64.DEFAULT);            bitmap = BitmapFactory.decodeByteArray(bitmapArray, 0,                    bitmapArray.length);        } catch (Exception e) {            e.printStackTrace();        }        return bitmap;    }}

43.Android Base64Util