A robust command-line diagnostics skill for monitoring and analyzing Android Activity stacks, Fragments, and screen transitions in real-time.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install android-stack-analyzer
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install android-stack-analyzer using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Android Stack Analyzer?
Android Stack Analyzer is an indispensable developer utility designed to decode complex Android UI component states using straightforward ADB commands. Whether you are debugging a deeply nested back stack or reverse-engineering an application, this Openclaw Skills solution parses activity history, task trees, and fragment structures with zero overhead.
By leveraging system-level window dump parameters, Android Stack Analyzer bridges the gap between raw shell outputs and developer-friendly insights. It helps developers, reverse engineers, and QA specialists isolate focus anomalies, verify window lifecycle state-machine actions, and optimize application UX across various Android platform versions.
Android Stack Analyzer Use Cases
- Debugging UI Transitions: Tracking activity states like RESUMED, PAUSED, or DESTROYED dynamically during screen switches.
- Fragment Verification: Inspecting nested Fragment hierarchies inside specific host Activities to verify runtime transactions.
- Reverse Engineering: Identifying target activity names and layout wrappers of active foreground application processes.
- QA Automation Testing: Automating UI stack state assertions during end-to-end mobile testing workflows using Openclaw Skills scripts.
How Android Stack Analyzer Works
- Establish Connection: Connect the target Android device with USB debugging enabled and authorized under ADB.
- Capture Active Target: Query the active window focus manager using dumpsys window matching options like mCurrentFocus.
- Query Stack History: Retrieve detailed transaction back stacks using optimized task record parsers via dumpsys activity.
- Filter Outputs: Isolate system-level noise using custom package filters to focus exclusively on target application binaries.
- Monitor Real-Time: Run an active continuous loop to track visual shifts and transition lifecycles dynamically as users navigate the interface.
Android Stack Analyzer Setup
Prerequisites
Make sure ADB (Android Debug Bridge) is installed and available in your system path, and that USB Debugging is enabled on your target device.
Running Commands
Depending on your operating system, execute the optimized commands from the Openclaw Skills suite:
For Linux/macOS:
# Find current focused window
adb shell "dumpsys window | grep mCurrentFocus"
# Analyze complete Activity back stack
adb shell "dumpsys activity activities | grep -E 'Hist|ResumedActivity|mFocusedActivity'"
For Windows (CMD):
# Find current focused window
adb shell "dumpsys window | findstr mCurrentFocus"
# Analyze complete Activity back stack
adb shell "dumpsys activity activities | findstr /R \"Hist\\|ResumedActivity\\|mFocusedActivity\""
Android Stack Analyzer Data Schema & Taxonomy
Field Definitions & Output Semantics
| Output Element | Parameter Type | Description |
|---|---|---|
u0 / s0 |
User Context | Indicates User Application (u0) vs System Application (s0) space. |
Hist #X |
Stack Position | Order of Activities in the history stack (higher numbers indicate more recent frames). |
t533 |
Task ID | The unique identifier assigning the Activity to a structural OS Task. |
state= |
Lifecycle State | The current execution status (e.g., INITIALIZING, RESUMED, PAUSED, DESTROYED). |
Real-time Automation Script Structure
This configuration utilizes shell pipelines to format execution metrics as structured streams, facilitating automated trace analytics.
Android Stack Analyzer Advanced Features
- Automated Loop Monitoring: Run real-time monitoring streams to observe user transition lifecycles dynamically at custom polling intervals.
- Fragment Deep-Dives: Inspect internal fragment transaction back-stacks dynamically for any specific package application.
- Targeted Package Filtration: Clean output streams and minimize debugging noise by isolating the dumpsys scope to dedicated application namespaces.
- Cross-Platform Scripting Compatibility: Fully standardized scripts for Windows CMD (using findstr) and Unix environments (using grep) provided out-of-the-box by Openclaw Skills.
SKILL.md
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