android 保存bitmap到SD卡

android 保存bitmap到SD卡

/**
      * 保存bitmap到SD卡
      * @param bitName 保存的名字
      * @param mBitmap 图片对像
      * return 生成压缩图片后的图片路径
      */
    @SuppressLint("SdCardPath") 
    public static String saveMyBitmap(String bitName,Bitmap mBitmap) {
        File f = new File("/sdcard/" + bitName + ".png");

        try {
            f.createNewFile();
        } catch (IOException e) {
            System.out.println("在保存图片时出错：" + e.toString());
        }
        FileOutputStream fOut = null;
        try {
            fOut = new FileOutputStream(f);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        try {
            mBitmap.compress(Bitmap.CompressFormat.PNG, 100, fOut);
        } catch (Exception e) {
            return "create_bitmap_error";
        }
        try {
            fOut.flush();
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            fOut.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

        return "/sdcard/" + bitName + ".png";
    }

   /**
     * 保存bitmap到SD卡
     * @param bitmap
     * @param imagename
     */
    public static String saveBitmapToSDCard(Bitmap bitmap, String imagename) {
        String path = "/sdcard/" + "img-" + imagename + ".jpg";
        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(path);
            if (fos != null) {
                bitmap.compress(Bitmap.CompressFormat.JPEG, 90, fos);
                fos.close();
            }

            return path;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }