Android development implementation tool class to obtain sdcard size and memory size

public class SDCardUtil {
  /**
    * SD card
    * @param context
    */
  public static void getSDCardInfo(Context context){
    try {
      File path = ();
      StatFs s = new StatFs(());
      long availableBlocks = ();
      long blockCount = ();
      long blockSize = ();
      long totalsize = blockSize * blockCount;
      long availsize = blockSize * availableBlocks;
      String totalsizeStr = (context, totalsize);
      String availsizeStr = (context, availsize);
    } catch (Exception e) {
      ();
    }
  }
  /**
    * Mobile phone memory
    * @param context
    */
  public static void getDataInfo(Context context){
    try {
      File path = ();
      StatFs s = new StatFs(());
      long availableBlocks = ();
      long blockCount = ();
      long blockSize = ();
      long totalsize = blockSize * blockCount;
      long availsize = blockSize * availableBlocks;
      String totalsizeStr = (context, totalsize);
      String availsizeStr = (context, availsize);
    } catch (Exception e) {
      ();
    }
  }
}