Android 读取SD卡中相应文件夹下的图片

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public class SDcardFileUtils {   /**    * path 指的是SD卡中存放图片的文件夹    * @param path    * @return     */

public static String SD = Environment.getExternalStorageDirectory().getPath()+"";
     String path = SD + 存放图片的文件夹   public static List<String> getImagePathFromSD(String path) {      List<String> picList = new ArrayList<String>();      File mfile = new File(path);      if (!mfile.exists()) {         return picList;      }      File[] files = mfile.listFiles();      for (int i = 0; i < files.length; i++) {         File file = files[i];         if (checkIsImageFile(file.getPath())) {            picList.add(file.getPath());         }      }      return picList;   }   private static boolean checkIsImageFile(String fName) {      boolean isImageFile = false;      String FileEnd = fName.substring(fName.lastIndexOf(".") + 1,            fName.length()).toLowerCase();      if (FileEnd.equals("jpg") || FileEnd.equals("png")            || FileEnd.equals("gif") || FileEnd.equals("bmp")) {         isImageFile = true;      } else {         isImageFile = false;      }      return isImageFile;   }}

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