Places in code with 6 or more lines that are exactly the same.
Intro
- For duplication, we look at places in code where there are 6 or more lines of code that are exactly the same.
- Before duplication is calculated, the code is cleaned to remove empty lines, comments, and frequently duplicated constructs such as imports.
- You should aim at having as little as possible (<5%) of duplicated code as high-level of duplication can lead to maintenance difficulties, poor factoring, and logical contradictions.
- To learn more about duplications and techniques for eliminating duplication, Sokrates recommends the following resources:
- Avoid Repetition, MartinFlower.com (IEEE Software article)
- Refactoring duplicated code, sourcemaking.com
- Beck Design Rules, MartinFowler.com
- DRY (Don't Repeat Yourself) Principle, Wikipedia
- The Cut-and-Paste Programming Software Development Anti-Pattern, sourcemaking.com
- Code Smells / Duplicated Code, Jeff Atwood, codinghorror.com:
- "Duplicated code is the bane of software development. Stamp out duplication whenever possible. You should always be on the lookout for more subtle cases of near-duplication, too. Don't Repeat Yourself!"
- Reducing Coupling, MartinFlower.com (IEEE Software article):
- "There are several ways to describe coupling, but it boils down to this: If changing one module in a program requires changing another module, then coupling exists. ... Duplication always implies coupling, because changing one piece of duplicate code implies changing the other."
Duplication Overall
- 47% duplication:
- 5,133 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
- 2,454 duplicated lines
- 163 duplicates
Duplication per Extension
Duplication per Component (primary)
Duplication Between Components (50+ lines)
Open 3D force graph...
Show more details on duplication between components...
From Component
--> To Component
Duplicated
Lines
File Pairs
Details
Camera2Video/utils (100%)
--> CameraXAdvanced/utils (100%)
592
7 file pairs
details...
Camera2SlowMotion/utils (100%)
--> CameraUtils/lib (100%)
592
7 file pairs
details...
Camera2Basic/utils (100%)
--> Camera2Video/utils (100%)
592
7 file pairs
details...
Camera2Basic/utils (100%)
--> Camera2SlowMotion/utils (100%)
592
7 file pairs
details...
Camera2Basic/utils (100%)
--> CameraXAdvanced/utils (100%)
592
7 file pairs
details...
Camera2Video/utils (100%)
--> CameraUtils/lib (100%)
592
7 file pairs
details...
Camera2SlowMotion/utils (100%)
--> Camera2Video/utils (100%)
592
7 file pairs
details...
Camera2Basic/utils (100%)
--> CameraUtils/lib (100%)
592
7 file pairs
details...
CameraXAdvanced/utils (100%)
--> CameraXVideo/utils (100%)
592
7 file pairs
details...
CameraUtils/lib (100%)
--> CameraXVideo/utils (100%)
592
7 file pairs
details...
Camera2SlowMotion/utils (100%)
--> CameraXVideo/utils (100%)
592
7 file pairs
details...
Camera2Video/utils (100%)
--> CameraXVideo/utils (100%)
592
7 file pairs
details...
Camera2SlowMotion/utils (100%)
--> CameraXAdvanced/utils (100%)
592
7 file pairs
details...
Camera2Basic/utils (100%)
--> CameraXVideo/utils (100%)
592
7 file pairs
details...
CameraUtils/lib (100%)
--> CameraXAdvanced/utils (100%)
592
7 file pairs
details...
Camera2SlowMotion/app (68%)
--> Camera2Video/app (75%)
432
4 file pairs
details...
Camera2Basic/app (32%)
--> Camera2SlowMotion/app (41%)
262
4 file pairs
details...
Camera2Basic/app (31%)
--> Camera2Video/app (44%)
254
4 file pairs
details...
Camera2Extensions/app (6%)
--> Camera2Video/app (10%)
58
2 file pairs
details...
| From Component --> To Component |
Duplicated Lines |
File Pairs | Details |
|---|---|---|---|
| Camera2Video/utils (100%) --> CameraXAdvanced/utils (100%) |
592 | 7 file pairs | details... |
| Camera2SlowMotion/utils (100%) --> CameraUtils/lib (100%) |
592 | 7 file pairs | details... |
| Camera2Basic/utils (100%) --> Camera2Video/utils (100%) |
592 | 7 file pairs | details... |
| Camera2Basic/utils (100%) --> Camera2SlowMotion/utils (100%) |
592 | 7 file pairs | details... |
| Camera2Basic/utils (100%) --> CameraXAdvanced/utils (100%) |
592 | 7 file pairs | details... |
| Camera2Video/utils (100%) --> CameraUtils/lib (100%) |
592 | 7 file pairs | details... |
| Camera2SlowMotion/utils (100%) --> Camera2Video/utils (100%) |
592 | 7 file pairs | details... |
| Camera2Basic/utils (100%) --> CameraUtils/lib (100%) |
592 | 7 file pairs | details... |
| CameraXAdvanced/utils (100%) --> CameraXVideo/utils (100%) |
592 | 7 file pairs | details... |
| CameraUtils/lib (100%) --> CameraXVideo/utils (100%) |
592 | 7 file pairs | details... |
| Camera2SlowMotion/utils (100%) --> CameraXVideo/utils (100%) |
592 | 7 file pairs | details... |
| Camera2Video/utils (100%) --> CameraXVideo/utils (100%) |
592 | 7 file pairs | details... |
| Camera2SlowMotion/utils (100%) --> CameraXAdvanced/utils (100%) |
592 | 7 file pairs | details... |
| Camera2Basic/utils (100%) --> CameraXVideo/utils (100%) |
592 | 7 file pairs | details... |
| CameraUtils/lib (100%) --> CameraXAdvanced/utils (100%) |
592 | 7 file pairs | details... |
| Camera2SlowMotion/app (68%) --> Camera2Video/app (75%) |
432 | 4 file pairs | details... |
| Camera2Basic/app (32%) --> Camera2SlowMotion/app (41%) |
262 | 4 file pairs | details... |
| Camera2Basic/app (31%) --> Camera2Video/app (44%) |
254 | 4 file pairs | details... |
| Camera2Extensions/app (6%) --> Camera2Video/app (10%) |
58 | 2 file pairs | details... |
Longest Duplicates
The list of 20 longest duplicates.
| Size | # | Folders | Files | Lines | Code |
|---|---|---|---|---|---|
| 100 | x 2 | Camera2Video/utils/src/m...le/android/camera/utilsCameraXAdvanced/utils/sr...le/android/camera/utils |  Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | Camera2SlowMotion/utils/...le/android/camera/utilsCameraUtils/lib/src/main...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | Camera2Basic/utils/src/m...le/android/camera/utilsCamera2Video/utils/src/m...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | Camera2Basic/utils/src/m...le/android/camera/utilsCamera2SlowMotion/utils/...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | Camera2Basic/utils/src/m...le/android/camera/utilsCameraXAdvanced/utils/sr...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | Camera2Video/utils/src/m...le/android/camera/utilsCameraUtils/lib/src/main...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | Camera2SlowMotion/utils/...le/android/camera/utilsCamera2Video/utils/src/m...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | Camera2Basic/utils/src/m...le/android/camera/utilsCameraUtils/lib/src/main...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | CameraXAdvanced/utils/sr...le/android/camera/utilsCameraXVideo/utils/src/m...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | CameraUtils/lib/src/main...le/android/camera/utilsCameraXVideo/utils/src/m...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | Camera2SlowMotion/utils/...le/android/camera/utilsCameraXVideo/utils/src/m...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | Camera2Video/utils/src/m...le/android/camera/utilsCameraXVideo/utils/src/m...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | Camera2SlowMotion/utils/...le/android/camera/utilsCameraXAdvanced/utils/sr...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | Camera2Basic/utils/src/m...le/android/camera/utilsCameraXVideo/utils/src/m...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 100 | x 2 | CameraUtils/lib/src/main...le/android/camera/utilsCameraXAdvanced/utils/sr...le/android/camera/utils | Yuv.ktYuv.kt |
1:168 (100%)1:168 (100%) | view |
| 57 | x 2 | Camera2SlowMotion/app/sr...amera2/slowmo/fragmentsCamera2Video/app/src/mai...camera2/video/fragments | CameraFragment.ktCameraFragment.kt |
325:419 (26%)270:364 (31%) | view |
| 44 | x 2 | Camera2Video/utils/src/m...le/android/camera/utilsCameraUtils/lib/src/main...le/android/camera/utils | YuvToRgbConverter.ktYuvToRgbConverter.kt |
17:97 (100%)17:97 (100%) | view |
| 44 | x 2 | Camera2SlowMotion/utils/...le/android/camera/utilsCameraUtils/lib/src/main...le/android/camera/utils | YuvToRgbConverter.ktYuvToRgbConverter.kt |
17:97 (100%)17:97 (100%) | view |
| 44 | x 2 | Camera2SlowMotion/utils/...le/android/camera/utilsCamera2Video/utils/src/m...le/android/camera/utils | YuvToRgbConverter.ktYuvToRgbConverter.kt |
17:97 (100%)17:97 (100%) | view |
| 44 | x 2 | Camera2Basic/utils/src/m...le/android/camera/utilsCamera2SlowMotion/utils/...le/android/camera/utils | YuvToRgbConverter.ktYuvToRgbConverter.kt |
17:97 (100%)17:97 (100%) | view |
Duplicated Units
The list of top 10 duplicated units.
| Size | # | Folders | Files | Lines | Code |
|---|---|---|---|---|---|
| 29 | x 6 | Camera2Basic/utils/src/m...le/android/camera/utilsCamera2SlowMotion/utils/...le/android/camera/utilsCameraUtils/lib/src/main...le/android/camera/utilsCameraXAdvanced/utils/sr...le/android/camera/utilsCamera2Video/utils/src/m...le/android/camera/utilsCameraXVideo/utils/src/m...le/android/camera/utils | YuvToRgbConverter.ktYuvToRgbConverter.ktYuvToRgbConverter.ktYuvToRgbConverter.ktYuvToRgbConverter.ktYuvToRgbConverter.kt |
57:90 57:90 57:90 57:90 57:90 57:90 | view |
| 21 | x 6 | Camera2Basic/utils/src/m...le/android/camera/utilsCamera2SlowMotion/utils/...le/android/camera/utilsCameraUtils/lib/src/main...le/android/camera/utilsCameraXAdvanced/utils/sr...le/android/camera/utilsCamera2Video/utils/src/m...le/android/camera/utilsCameraXVideo/utils/src/m...le/android/camera/utils | ExifUtils.ktExifUtils.ktExifUtils.ktExifUtils.ktExifUtils.ktExifUtils.kt |
46:73 46:73 46:73 46:73 46:73 46:73 | view |
| 21 | x 6 | Camera2Basic/utils/src/m...le/android/camera/utilsCamera2SlowMotion/utils/...le/android/camera/utilsCameraUtils/lib/src/main...le/android/camera/utilsCameraXAdvanced/utils/sr...le/android/camera/utilsCamera2Video/utils/src/m...le/android/camera/utilsCameraXVideo/utils/src/m...le/android/camera/utils | CameraSizes.ktCameraSizes.ktCameraSizes.ktCameraSizes.ktCameraSizes.ktCameraSizes.kt |
50:79 50:79 50:79 50:79 50:79 50:79 | view |
| 12 | x 2 | Camera2Basic/app/src/mai...camera2/basic/fragmentsCamera2Extensions/app/sr...a2/extensions/fragments | CameraFragment.ktCameraFragment.kt |
277:289 277:289 | view |
| 12 | x 2 | Camera2SlowMotion/app/sr...amera2/slowmo/fragmentsCamera2Video/app/src/mai...camera2/video/fragments | CameraFragment.ktCameraFragment.kt |
396:408 341:353 | view |
| 11 | x 3 | Camera2Basic/app/src/mai...camera2/basic/fragmentsCamera2SlowMotion/app/sr...amera2/slowmo/fragmentsCamera2Video/app/src/mai...camera2/video/fragments | PermissionsFragment.ktPermissionsFragment.ktPermissionsFragment.kt |
50:62 52:64 52:64 | view |
| 10 | x 6 | Camera2Basic/utils/src/m...le/android/camera/utilsCamera2SlowMotion/utils/...le/android/camera/utilsCameraUtils/lib/src/main...le/android/camera/utilsCameraXAdvanced/utils/sr...le/android/camera/utilsCamera2Video/utils/src/m...le/android/camera/utilsCameraXVideo/utils/src/m...le/android/camera/utils | OrientationLiveData.ktOrientationLiveData.ktOrientationLiveData.ktOrientationLiveData.ktOrientationLiveData.ktOrientationLiveData.kt |
37:47 37:47 37:47 37:47 37:47 37:47 | view |
| 8 | x 3 | Camera2Basic/app/src/mai...camera2/basic/fragmentsCamera2SlowMotion/app/sr...amera2/slowmo/fragmentsCamera2Video/app/src/mai...camera2/video/fragments | PermissionsFragment.ktPermissionsFragment.ktPermissionsFragment.kt |
37:48 39:50 39:50 | view |
| 7 | x 4 | Camera2Basic/app/src/mai...camera2/basic/fragmentsCameraXBasic/app/src/mai.../cameraxbasic/fragmentsCamera2SlowMotion/app/sr...amera2/slowmo/fragmentsCamera2Video/app/src/mai...camera2/video/fragments | CameraFragment.ktCameraFragment.ktCameraFragment.ktCameraFragment.kt |
137:144 163:170 186:193 176:183 | view |
| 7 | x 3 | Camera2Basic/app/src/mai...camera2/basic/fragmentsCamera2SlowMotion/app/sr...amera2/slowmo/fragmentsCamera2Video/app/src/mai...camera2/video/fragments | CameraFragment.ktCameraFragment.ktCameraFragment.kt |
446:453 438:445 381:388 | view |