1. Layout Inspector is a tool for debugging and analyzing Android application interface layouts, which can display the hierarchy, properties, and performance data of views or Compose components in real time. Its main values include:

Problem localization: Check layout nesting depth, property errors, or rendering exceptions.
Performance optimization: Identify overdrawing, over-recomposition (Compose), or redundant views.
Design verification: Compare deviations between design drafts and actual layouts.

2. Operation process:

Device boots normally and runs.
Start Layout Inspector, allow Layout Inspector to obtain accessibility permissions and floating window permissions.
Click the floating window on the screen and select layout analysis:
1 Layout range analysis
2 Layout hierarchy analysis
Click on views in the generated drawing grid to view control information: id; layout; width and height; text, etc.
View the hierarchy of controls in the entire screen position in the layout hierarchy

Permission Statement:
1. Implementation through Google Accessibility API:
Capture the screen control tree structure in real time;
Highlight the UI elements operated by the user;
Generate interface layout analysis report (for developers to debug).
2. Permission control
User active authorization: For the first use, you need to enter the system to set the accessibility service permissions of this application manually;
Permission scope limitation: Only \"View interface content\", no device control rights (such as simulated clicks, tampering operations).
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