APK反编译jd-gui代码分析(草稿记录)

1. 连续for循环

反编译代码：

 1 private void removeHideLines()

 2   {

 3     int i = 0;

 4     if (i >= this.lines.size()) {}

 5     for (int j = 0;; j++)

 6     {

 7       if (j >= this.recordLines.size())

 8       {

 9         return;

10         if (((MusicTrackLine)this.lines.get(i)).getX() + ((MusicTrackLine)this.lines.get(i)).getLength() <= 0) {

11           this.lines.remove(i);

12         }

13         i++;

14         break;

15       }

16       if (((MusicTrackLine)this.recordLines.get(j)).getX() + ((MusicTrackLine)this.recordLines.get(j)).getLength() <= 0) {

17         this.recordLines.remove(j);

18       }

19     }

20   }

View Code

实际代码：

 1 private void removeHideLines() {

 2         for (int i = 0; i < lines.size(); i++) {

 3             if (((MusicTrackLine) this.lines.get(i)).getX() + ((MusicTrackLine) this.lines.get(i)).getLength() <= 0) {

 4                 this.lines.remove(i);

 5             }

 6         }

 7         for (int j = 0; j < recordLines.size(); j++) {

 8             if (((MusicTrackLine) this.recordLines.get(j)).getX()

 9                     + ((MusicTrackLine) this.recordLines.get(j)).getLength() <= 0) {

10                 this.recordLines.remove(j);

11             }

12         }

13     }

View Code