单图

 ImageCompress.execute(outfile1.getPath(), new CompressCallback() {
            @Override
            public void compressed(Object obj) {
                if (obj == null) {
                    return;
                }
                String newPath = (String) obj;
                textView1.setText(newPath);
            }
  });

多图

 String[] pathArr = new String[3];
 pathArr[0] = outfile1.getPath();
 pathArr[1] = outfile2.getPath();
 pathArr[2] = outfile3.getPath();

 ImageCompress.execute(pathArr, new CompressCallback() {
            @Override
            public void compressed(Object obj) {
                if (obj == null) {
                    Log.e("a", "a=" + "compress bitmap failed!");
                } else {

                    final String[] ps = ((String[]) obj);

                    String content = "";
                    for (int i = 0; i < ps.length; i++) {
                        content += ps[i] + ", ";
                    }

                    Log.e("压缩结果：", "path = " + content);
                    textView2.setText(content);
                }
            }
  });