feat(metrics): annotate build start, finish and failure on the charts (ADFA-5509) - #1792
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… (ADFA-5509) Three markers, drawn in the theme's semantic colours: colorSuccess for a build starting and finishing, colorError for one that failed, and the existing colorOnSurface for the Gradle task markers around them. Both the line and its label take the colour; colouring only the line leaves the label unreadable against a coloured rule. The wiring is three calls into hooks that already existed -- prepareBuild, onBuildSuccessful and onBuildFailed -- but two things had to change first, and one of them is the whole point of the ticket. The throttle would have eaten them. The store keeps one annotation every five seconds, because Gradle emits dozens of task events a second, and it keeps the first of each quiet period. A build failure arriving two seconds after a task marker would therefore have been dropped -- the one annotation on the chart actually worth having. Annotations now carry a kind, and only task events are throttled. A build marker also restarts the window, so the next task marker waits its five seconds instead of landing a few pixels away and colliding. Colour had to become per-annotation. applyAnnotations resolved one colour and painted every limit line with it, so the kind is carried through to the renderer and mapped there. The labels are user-facing text, so they are string resources in :resources, unlike the task markers which are raw Gradle task display names. Verified on a Pixel 6 Pro against the sample project: a green dashed marker labelled "Build started" when a build begins, and -- with a deliberate syntax error pushed into MainActivity.kt -- a red marker beside it when the build fails. The source was restored and confirmed byte-identical afterwards. Not verified on the device: the "Build finished" marker. It shares its code path and colour with "Build started", and the tests pin that the two resolve to one colour while a failure resolves to another, but the device check was defeated by the install prompt that follows a successful build: returning from it parks the chart's viewport at the oldest samples in the buffer for a sample or two, and the marker had scrolled out of the window by the time the chart recovered. That viewport glitch is a pre-existing bug of the same family as the rotation and floating-window cases fixed under ADFA-5486, and is being reported separately rather than folded in here. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Five review findings, four of them behaviour a user would have seen. Opening a project drew a build. prepareBuild and onBuildSuccessful also fire for project initialization, which runs no tasks, so merely opening a project stamped a green "Build started" and "Build finished" pair on the charts -- and blamed the sync's own memory spike on a build nobody asked for. BuildInfo.tasks and the result's task list already distinguish the two; a sync now annotates nothing. A cancelled build was reported as a failure. The tooling API surfaces a cancel through onBuildFailed, so stopping a build yourself drew a red "Build failed" rule and left it on the chart for the next hour. GradleBuildService now tells the listener when a cancel is requested -- a defaulted interface method, since only a listener that cares needs it -- and a cancel gets its own kind, drawn in the ordinary text colour because it is neither good news nor bad. The colour tests could not have caught a mistake in the colours. All three asserted only that two resolved colours were equal or unequal, so swapping success and error passed every one of them while the chart told the user a failed build had succeeded. They now assert which attribute each kind resolves to, and were confirmed to fail with the two swapped. Labels moved onto the kind as string ids, which removes three problems at once: the label is resolved at draw time, so markers follow the system language rather than freezing the language they were recorded in -- the store lives in a ViewModel that outlives the activity; recordBuildAnnotation no longer needs a `when` with a silent `return` for the one kind it cannot label; and recordMetricsAnnotation loses the dead `kind` parameter that let any caller give a task name an unthrottled marker in the error colour. Marker colours are resolved once per redraw instead of once per annotation. applyAnnotations runs on every sampling tick across three charts and can hold MAX_ANNOTATIONS markers, and resolveAttr allocates a TypedValue per call. Also: prepareBuild now uses the checked local for its whole body rather than re-reading the WeakReference through the throwing `activity` property, which is what its four sibling handlers already do. Not changed: build start and finish still share one colour. A reviewer argued they should differ so the two ends of a build are distinguishable at a glance, which is a fair point, but green for both was an explicit product decision and the labels already differ. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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…-build-annotations # Conflicts: # app/src/test/java/com/itsaky/androidide/ui/MetricsAnnotationRenderingTest.kt
Eviction now sacrifices task markers before build outcomes. Plain oldest-first eviction dropped a build's own "Build started" while the build was still running: 256 annotations at one per five seconds is about twenty minutes, which a clean build on a phone can exceed. That left an unpaired outcome on the chart and no way to see how long the build took -- which is most of the point of ADFA-5509. Task markers are the padding; the build's moments are the signal. A build marker can no longer come out invisible. resolveAttr discards resolveAttribute's result and hands back TypedValue.data, which for an attribute the theme does not carry is 0 -- fully transparent. colorSuccess is ours rather than Material's, and a floating window is built against a window context whose theme is not the activity's, so this is the same shape as the black-on-black axis labels: correct in every test, invisible on the device. It falls back to the axis text colour, which configure has already set to something legible. The "only task markers are throttled" test asserted isThrottled against its own definition, so it would have passed just as happily with record() ignoring the flag. It now records a task marker and then every build outcome inside the throttle window, and checks all of them survive. Plus both eviction branches, including the one where nothing but outcomes is left. Also refreshes the class KDoc, which still described the store as holding task starts and stops only. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QeW3M24yD6HNhEnbuNW7Hz
A disabled View still consumes a touch and then drops it, so a long press on the arrow at either end of the carousel showed no tooltip -- and that is exactly the arrow whose greyed-out state a user might want explained. The alpha was already there; the isEnabled = false beside it was doing nothing the clamp in step() did not already do, except swallow the help. Test fixture: record() now advances past the throttle window itself. Every caller wanted both halves and had to remember the second, and forgetting it made the store drop the next annotation -- leaving the test asserting against a chart with one fewer marker than it had asked for, which is a passing test for the wrong reason. Also removes a stray blank line between a KDoc and its declaration in three files, where it detaches the doc from what it documents. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QeW3M24yD6HNhEnbuNW7Hz
963e37b bundled three unrelated things because they were what happened to be in the tree. The arrow change is help behaviour -- it is what makes ADFA-5510's tooltip on a dimmed arrow actually fire -- so reviewing it here, on the build-annotations PR, hides it from the reviewer who cares about it. Backed out to exactly the merge base, so the version on ADFA-5510 applies cleanly; it also fixes an accessibility regression this one had. The other two thirds of that commit stay: the test fixture that advances its own clock, and the stray blank lines between a KDoc and what it documents. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QeW3M24yD6HNhEnbuNW7Hz
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📝 Summary
WalkthroughThe change adds typed build annotations, records build lifecycle outcomes, preserves them during task-marker eviction, and renders build markers with outcome-specific labels and theme colors. Tests cover storage, throttling, eviction, labels, and rendering. ChangesBuild metrics annotations
Estimated code review effort: 3 (Moderate) | ~25 minutes Merge Risk: 🟡 Moderate · up to Cancelled builds can be shown as failed builds in the metrics chart. Forward the cancellation notification through the listener wrapper before merging. Sequence Diagram(s)sequenceDiagram
participant GradleBuildService
participant EditorBuildEventListener
participant BaseEditorActivity
participant MetricsAnnotationStore
participant MetricsChartRenderer
GradleBuildService->>EditorBuildEventListener: report build lifecycle event
EditorBuildEventListener->>BaseEditorActivity: recordBuildAnnotation(kind)
BaseEditorActivity->>MetricsAnnotationStore: recordBuild(kind)
MetricsChartRenderer->>MetricsAnnotationStore: read typed annotations
MetricsChartRenderer-->>MetricsChartRenderer: resolve label and theme color
Suggested reviewers: Poem
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 39.39% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 33 functions across 7 files. (1 skipped: 1 unsupported.)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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In
`@app/src/main/java/com/itsaky/androidide/services/builder/GradleBuildService.kt`:
- Line 637: Update the listener wrapper created by wrap() to override and
forward onBuildCancelRequested() to the wrapped event listener, so
cancelCurrentBuild() updates EditorBuildEventListener.cancelRequested and
cancelled builds retain BUILD_CANCELLED status.
In `@app/src/main/java/com/itsaky/androidide/ui/MetricsChartRenderer.kt`:
- Around line 482-483: Add font-scale verification for the metrics chart around
LimitLine and marker label rendering: test at scales 1.0 and 2.0, then add
screenshots for both scales or a concise PR note confirming marker labels remain
readable and unclipped.
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📒 Files selected for processing (11)
app/src/main/java/com/itsaky/androidide/activities/editor/BaseEditorActivity.ktapp/src/main/java/com/itsaky/androidide/handlers/EditorBuildEventListener.ktapp/src/main/java/com/itsaky/androidide/services/builder/GradleBuildService.ktapp/src/main/java/com/itsaky/androidide/ui/MemoryUsageChartRenderer.ktapp/src/main/java/com/itsaky/androidide/ui/MetricsChartRenderer.ktapp/src/main/java/com/itsaky/androidide/ui/NetworkUsageChartRenderer.ktapp/src/main/java/com/itsaky/androidide/ui/SafeLineChart.ktapp/src/main/java/com/itsaky/androidide/utils/MetricsAnnotationStore.ktapp/src/test/java/com/itsaky/androidide/ui/MetricsAnnotationRenderingTest.ktapp/src/test/java/com/itsaky/androidide/utils/MetricsAnnotationStoreTest.ktresources/src/main/res/values/strings.xml
💤 Files with no reviewable changes (3)
- app/src/main/java/com/itsaky/androidide/ui/MemoryUsageChartRenderer.kt
- app/src/main/java/com/itsaky/androidide/ui/SafeLineChart.kt
- app/src/main/java/com/itsaky/androidide/ui/NetworkUsageChartRenderer.kt
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The feature was unreachable. setEventListener stores wrap(listener), and cancelCurrentBuild calls onBuildCancelRequested on that wrapper -- but wrap overrode five of the interface's six callbacks and not this one, so the call landed on the interface default and stopped there. EditorBuildEventListener.cancelRequested therefore stayed false, and a build the user had stopped went on being annotated BUILD_FAILED: exactly what the kind was added to prevent. The comment at the call site described an intent the wiring did not deliver. The default is what allowed it. `= Unit` was there so that only listeners caring about the distinction had to implement it, and the wrapper then inherited silence instead of being asked to forward. It is now abstract: the compiler asks every implementor, wrapper included, and this class of omission stops being possible. My own test was why it survived. MetricsAnnotationStoreTest calls store.recordBuild(BUILD_CANCELLED) directly, so it proved the store handles the kind while nothing proved the kind could ever be produced -- a test on the destination with the path to it untested. Two tests now, and the first one I wrote was worthless: asserting that the wrapper "overrides every method the interface declares" cannot fail, because Kotlin emits a bridge method on the implementing class for an inherited default, so reflection sees an override that is really a no-op. It passed against the bug. What it checks instead is that no callback has a default implementation at all, which is the property that would have caught this; that one fails against the bug, as does a direct check that a cancel reaches the listener. wrap moved to the companion object -- it closes over nothing but its argument, and building the service under Robolectric to reach a private method brought up the whole tooling stack and crashed the test JVM. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QeW3M24yD6HNhEnbuNW7Hz
Font-scale evidence for the marker labelsChecked on a Pixel (1440x3120, 560dpi) at At 1.0 the markers render as intended — At 2.0 the labels are unchanged, and that turns out to be the substantive answer rather than a pass. Measuring the same text in both screenshots, normalised to the same scale:
So the chart's text — axis labels, legend, and the annotation marker labels, which take their size the same way — does not respond to the system font scale at all. MPAndroidChart sizes text in dp rather than sp. The That means the clipping and overlap this review asked about cannot be caused by font scale: the labels are the same size at every setting, so the row staggering that separates them at 1.0 separates them identically at 2.0. The check passes, but for a reason worth writing down rather than because the layout copes. It also means there is a real accessibility gap, and it is not one this PR introduced: a user who asks for larger text gets it everywhere in the IDE except inside the metrics charts. That is a property of the charting library's defaults across all three pages, so I have not changed it here — it wants its own ticket, and a decision about whether chart text should track One honest limitation on the evidence: at 2.0 I confirmed the markers are drawn and measured the label text size, but I did not capture a clean full-frame screenshot of the labels themselves. The install prompt and the "Installation failed" snackbar that follow a successful build cover the carousel strip, and a marker scrolls off the visible window in about 60 seconds, so every frame I caught had one or the other over it. The size measurement above is taken from the axis and legend text in the same frames, which is drawn through the same path. |
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Two review findings on this PR, both about state outliving the thing it described. cancelRequested was reset after prepareBuild's activity guard. This listener outlives any one activity, so a cancelled build whose onBuildFailed arrived with none attached left the flag set, and the next build to fail inherited it and was drawn as cancelled. The outcome callbacks decided for themselves whether to draw the second half of a marker pair, from the task list they are handed -- which is not the list prepareBuild sees. If those two ever disagreed the chart got a start with no finish, or a finish with no start, which is the one thing a pair exists to avoid. The build that started now decides, through a flag meaning "a start marker was drawn for the build now running", and the outcome follows it. Both flags are cleared before the guard and set only where the marker is actually drawn. Writing it the other way round -- recording the pairing from the task list before knowing whether a marker could be drawn -- would have swapped one asymmetry for its mirror image, a finish with no start, which is what the first attempt did and what the tests caught. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QeW3M24yD6HNhEnbuNW7Hz
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Four new markers on the metrics charts: build start, build finish, build failure and build cancellation — the failure in red, start and finish in green, a cancel in the ordinary label colour.
Stacked on #1791 (ADFA-5510). Review that first; this PR's diff is the last commit only.
The throttle would have eaten them
This is the part the ticket depends on.
MetricsAnnotationStorekeeps one annotation every five seconds — deliberately, because Gradle emits dozens of task events a second — and keeps the first of each quiet period. A build failure arriving two seconds after a task marker would have been silently dropped, which is the one annotation on the chart actually worth having.Annotations now carry a
Kind, and onlyTASKis throttled. A build marker also restarts the window, so the first task marker after "Build started" waits its five seconds instead of landing a few pixels away and colliding with it.Colours
BUILD_STARTED,BUILD_FINISHED?attr/colorSuccessBUILD_FAILED?attr/colorErrorBUILD_CANCELLED?attr/colorOnSurface— the user's own doing, so neither good news nor badTASK?attr/colorOnSurface(unchanged)Theme attributes rather than literals —
colorSuccessis already declared inattrs.xmland bound togreen_500. Both the line and its label take the colour; colouring only the line leaves the label unreadable against a coloured rule.I originally warned that green would clash with the Gradle Daemon's line on the memory chart. That was wrong —
PROC_GRADLE_DAEMONis declared and given a colour but never passed towatchProcess, so no green line is ever drawn. Filed separately as ADFA-5514, since the daemon turns out to be the largest memory consumer during a build (855 MB, against 732 MB for the IDE and 162 MB for the tooling server) and it is the one series the chart omits.A cancelled build is not a failed one
This section was missing from the description until now, along with the API change it required — the body described three markers when the change adds four kinds.
The tooling API reports a cancelled build through
onBuildFailed, so without this a build the user deliberately stopped came back in the error colour, labelled as a failure: their own action reported to them as a fault.EditorBuildEventListenerkeeps acancelRequestedflag, set fromonBuildCancelRequestedand read byonBuildFailedto choose betweenBUILD_CANCELLEDandBUILD_FAILED.GradleBuildService.EventListener.onBuildCancelRequested()is abstract, not defaulted, and that is load-bearing rather than a style choice. The service wraps its listener in an anonymousEventListenerthat forwards each callback onto the UI thread; a defaulted method is quietly inherited there as the no-op instead of being forwarded, so the cancel never reaches the real listener and the flag is never set. Abstract makes a missed forward a compile error. It does mean every implementer ofEventListenergains a method.The flags are cleared in
prepareBuildbefore the activity check, because this listener outlives any one activity: an outcome that arrived with none attached would otherwise leave both set for the next build to inherit — a stale cancel mislabelling a real failure, or a stale pairing drawing a finish for a build that never started.preparing a build clears a stale cancel, even with no activity attachedpins that.Two follow-ups from reviewing this area, filed rather than folded in:
prepareBuildruns has its flag cleared by it, so the build is annotated as failed. Real ordering hazard, and I could not construct a repro; the fix wants the cancel keyed to a build id rather than to main-thread ordering.resolveAttrdiscardsresolveAttribute's result and returnsTypedValue.data, which is 0 (transparent) for an attribute the theme does not carry. This PR works around it at its own call site with a private helper, becausecolorSuccessis ours rather than Material's and a floating window is built against a window context whose theme is not the activity's. 39 call sites repo-wide have the same exposure, which is why it is a ticket and not a second private helper.Verification
On a Pixel 6 Pro against the sample project:
MainActivity.kt. The file was restored afterwards and confirmed byte-identical.onBuildSuccessfulreaches the recorder, a one-line call identical in shape to the two that do work.The reason the third check failed is itself a finding: returning from the install prompt that follows a successful build parks the chart's viewport at the oldest samples in the buffer for a sample or two, so the marker had scrolled out of the window by the time the chart recovered. Same family as the rotation and floating-window viewport bugs fixed under ADFA-5486; reported separately rather than folded in here.
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