APK decompilation JD-Gui code analysis (Draft Record)

1. Continuous For Loop

Decompilation code:

 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   }

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Actual code:

 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     }

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