elastic / AndroidSDKMirror-28 - Conditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 195,227 units with 1,914,822 lines of code in units (77.4% of code).

147 very complex units (38,822 lines of code)
644 complex units (72,060 lines of code)
4,533 medium complex units (229,660 lines of code)
11,630 simple units (305,933 lines of code)
178,273 very simple units (1,268,347 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
public final void dumpLocked() in android/os/BatteryStats.java	1579	254	6
private void performTraversals() in android/view/ViewRootImpl.java	637	207	0
public void onUpgrade() in com/android/providers/settings/DatabaseHelper.java	1312	173	3
public long interceptKeyBeforeDispatching() in com/android/server/policy/PhoneWindowManager.java	415	170	3
private void applyLevelLimits() in android/media/MediaCodecInfo.java	546	163	0
protected void dump() in com/android/server/AppOpsService.java	449	156	3
public final void dumpCheckinLocked() in android/os/BatteryStats.java	652	155	5
static String requestToString() in com/android/internal/telephony/RIL.java	300	149	1
public void handleMessage() in com/android/internal/telephony/uicc/SIMRecords.java	550	147	1
static public String guessContentTypeFromStream() in java/net/URLConnection.java	115	145	1
private void startOtherServices() in com/android/server/SystemServer.java	975	138	0
public void layoutWindowLw() in com/android/server/policy/PhoneWindowManager.java	368	136	3
public boolean processMessage() in com/android/server/wifi/WifiStateMachine.java	529	132	1
private int onUpgradeLocked() in com/android/providers/settings/SettingsProvider.java	613	129	3
final void processNextBroadcastLocked() in com/android/server/am/BroadcastQueue.java	475	121	2
private boolean resumeTopActivityInnerLocked() in com/android/server/am/ActivityStack.java	292	114	2
public void handleMessage() in com/android/internal/telephony/ServiceStateTracker.java	371	112	1
private Package parseBaseApkCommon() in android/content/pm/PackageParser.java	451	109	6
public int interceptKeyBeforeQueueing() in com/android/server/policy/PhoneWindowManager.java	305	107	2
int onShellCommand() in com/android/server/DeviceIdleController.java	406	105	2
private String decodeIeee80211StatusCode() in com/android/server/wifi/util/FrameParser.java	199	104	1
private void grantDefaultSystemHandlerPermissions() in com/android/server/pm/permission/DefaultPermissionGrantPolicy.java	440	104	1
void dumpPackageLPr() in com/android/server/pm/Settings.java	346	103	9
public boolean processMessage() in com/android/server/wifi/WifiStateMachine.java	264	99	1
public void handleMessage() in com/android/internal/telephony/dataconnection/DcTracker.java	307	98	1
private void updatePowerState() in com/android/server/display/DisplayPowerController.java	277	97	0
private String printNextItem() in android/os/BatteryStats.java	321	94	4
public void handleMessage() in com/android/server/BluetoothManagerService.java	386	94	1
protected String getLogRecString() in com/android/server/wifi/WifiStateMachine.java	401	94	1
private boolean parseBaseApplication() in android/content/pm/PackageParser.java	421	93	5
private int subParse() in java/text/SimpleDateFormat.java	282	92	9
protected synchronized void handlePollCalls() in com/android/internal/telephony/GsmCdmaCallTracker.java	260	91	1
public void addProperty() in com/android/vcard/VCardEntry.java	258	91	1
public void handleMessage() in com/android/systemui/statusbar/CommandQueue.java	243	90	1
public int addWindow() in com/android/server/wm/WindowManagerService.java	314	90	12
private void dumpInner() in com/android/server/am/ProcessStatsService.java	380	90	2
private void readPermissionsFromXml() in com/android/server/SystemConfig.java	329	89	2
void moveToState() in android/app/FragmentManager.java	266	86	5
public void handleMessage() in com/android/server/wm/WindowManagerService.java	375	86	1
public void writeToParcelNoRecycle() in android/view/accessibility/AccessibilityNodeInfo.java	216	85	2
void executeMessage() in com/android/internal/view/IInputConnectionWrapper.java	336	84	1
private boolean grantSignaturePermission() in com/android/server/pm/permission/PermissionManagerService.java	160	84	4
private long acquireRead() in java/util/concurrent/locks/StampedLock.java	174	84	2
public void roll() in java/util/JapaneseImperialCalendar.java	335	82	2
void moveToState() in androidx/fragment/app/FragmentManager.java	253	82	5
public int nextToken() in java/io/StreamTokenizer.java	204	81	0
public static String errnoName() in android/system/OsConstants.java	240	80	1
public static long parse() in java/util/Date.java	170	80	1
private boolean handleToken() in android/text/format/TimeFormatter.java	234	79	3
protected void layoutChildren() in android/widget/ListView.java	261	79	0