Android 学习 之 SD卡相关
1.获取SD的路径字符串
public static String getSDCardPath() {boolean sdCardExist = Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED); // 判断sd卡是否存在if (sdCardExist) {File sdDir = Environment.getExternalStorageDirectory();// 获取跟目录return sdDir.getPath();}return null;}??