translate TimeUtil into English

translate TimeUtil into English

app/src/main/java/com/frank/ffmpeg/util/TimeUtil.java

@@ -6,7 +6,7 @@ import java.util.Date;
 import java.util.Locale;
 
 /**
- * 时间转换工具类
+ * the tool of time transforming
  * Created by frank on 2018/11/12.
  */
 
@@ -15,9 +15,10 @@ public class TimeUtil {
     private static final String YMDHMS = "yyyy-MM-dd HH:mm:ss";
 
     /**
-     * 时间戳年月日时分秒
+     * convert timestramp into String
+     *
      * @param time time
-     * @return 年月日时分秒 yyyy/MM/dd HH:mm:ss
+     * @return yyyy/MM/dd HH:mm:ss
      */
     public static String getDetailTime(long time) {
         SimpleDateFormat format = new SimpleDateFormat(YMDHMS, Locale.getDefault());
@@ -26,9 +27,10 @@ public class TimeUtil {
     }
 
     /**
-     * 时间转为时间戳
+     * convert normal time into timestamp
+     *
      * @param time time
-     * @return 时间戳
+     * @return timestamp
      */
     public static long getLongTime(String time, Locale locale) {
         SimpleDateFormat simpleDateFormat = new SimpleDateFormat(YMDHMS, locale);
@@ -52,9 +54,10 @@ public class TimeUtil {
     }
 
     /**
-     * 获取视频时长
+     * convert timestamp into video time
+     *
      * @param time time
-     * @return 视频时长
+     * @return video time
      */
     public static String getVideoTime(long time) {
         if (time <= 0)

app/src/main/java/com/frank/ffmpeg/view/VideoPreviewBar.java

@@ -19,7 +19,7 @@ import com.frank.ffmpeg.util.ScreenUtil;
 import com.frank.ffmpeg.util.TimeUtil;
 
 /**
- * 视频拖动实时预览的控件
+ * the custom view of preview SeekBar
  * Created by frank on 2019/11/16.
  */