Integrate logcat for launching Android emulators/devices

[dungngminh]

Description

This PR will add logcat for launching Android devices/emulators

Screen.Recording.2026-04-05.at.00.50.13.mov

Type of Change

• 🔥 New feature (non-breaking change which adds functionality)
• ✨ Enhancement (non-breaking change which improves existing functionality)
• 🛠️ Bug fix (non-breaking change which fixes an issue)
• 🧹 Code refactor
• 📝 Documentation
• 🗑️ Chore
• 📦 Build configuration change
• ✅ Test

Summary by CodeRabbit

• New Features
  • Added logcat dialog for viewing real-time logs from running Android emulators and devices
  • Logcat view supports dynamic filtering with keyboard shortcuts (e.g., / to filter, ↑/↓ to navigate, a to toggle auto-scroll, c to clear logs, o to open detected file paths)
  • Press l on a running device to launch the logcat viewer

[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

📝 Walkthrough

Walkthrough

This change introduces a logcat dialog feature for viewing live Android device and emulator logs. It adds a new dialog component with log streaming, dynamic filtering, keyboard navigation, and helper utilities for log parsing. The feature is integrated into the device list with a keyboard shortcut (L key).

Changes

Cohort / File(s)	Summary
Version Updates CHANGELOG.md, pubspec.yaml	Added version 0.4.0 release notes and bumped project version from 0.3.2 to 0.4.0; updated nocterm dependency from ^0.5.1 to ^0.6.0.
Logcat Core Components lib/plugins/logcat/logcat_dialog.dart, lib/plugins/logcat/logcat_filter_bar.dart, lib/plugins/logcat/logcat_helper.dart	Introduced new logcat dialog with adb process streaming, in-memory log buffering, and keyboard-driven navigation. Added UI component for filter input with help text. Implemented utilities for threadtime-style log parsing, level detection, crash identification, and filter matching.
Device List Integration lib/components/device_list_component.dart	Extended constructor with optional onDeviceLogcatRequested callback; added keyboard handler for L key that invokes logcat action only when selected device is running.
App Integration lib/simutil_app.dart	Wired logcat callback into Android devices and emulators panels; added logcat action indicator to idle status messages; implemented handler to display logcat dialog with device and adb path context.

Sequence Diagram

sequenceDiagram
    actor User
    participant DeviceList as DeviceList Component
    participant App as SimUtil App
    participant LogcatDialog as Logcat Dialog
    participant ADB as ADB Process
    participant UI as Logcat UI

    User->>DeviceList: Press L key on running device
    DeviceList->>App: onDeviceLogcatRequested(device)
    App->>LogcatDialog: showLogcatDialog(context, device, adbPath)
    LogcatDialog->>ADB: spawn adb logcat -s <device_id>
    ADB-->>LogcatDialog: stdout stream (log lines)
    LogcatDialog->>LogcatDialog: Parse each line (level, format)
    LogcatDialog->>LogcatDialog: Buffer in sliding window
    LogcatDialog->>UI: Render filtered logs
    UI-->>User: Display log output
    User->>UI: Press / to filter
    UI->>UI: Show LogcatFilterBar
    User->>UI: Type filter pattern
    UI->>LogcatDialog: Apply filter
    LogcatDialog->>LogcatDialog: lineMatchesFilter(line, filter)
    LogcatDialog->>UI: Update filtered view
    User->>UI: Press Escape or click close
    LogcatDialog->>ADB: Kill process
    LogcatDialog->>LogcatDialog: Dispose resources

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Estimated code review effort

🎯 4 (Complex) | ⏱️ ~50 minutes

Poem

🐰 A logcat dialog hops into view,
With adb streams and filtering too!
L-key shortcut, logs flow in streams,
Keyboard dance through a device's dreams—
Crashes found, filters applied with care,
Debugging speed through the Android air!

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: adding logcat functionality to the application for Android devices and emulators, matching the substantial file additions across logcat-related modules.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feature/integrate-logcat-dialog

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