Method isGif

xutils/src/main/java/org/xutils/image/ImageDecoder.java:140–153

(File file)

    }

    public static boolean isGif(File file) {
        FileInputStream in = null;
        try {
            in = new FileInputStream(file);
            byte[] header = IOUtil.readBytes(in, 0, 3);
            return Arrays.equals(GIF_HEADER, header);
        } catch (Throwable ex) {
            LogUtil.e(ex.getMessage(), ex);
        } finally {
            IOUtil.closeQuietly(in);
        }

        return false;
    }

    /**
     * 转化文件为Bitmap.