Optimize UI event handling to reduce main thread saturation#8
Merged
Conversation
Contributor
lateautumn233
commented
May 16, 2026
- MainHomeFragment.onDaemonEvent: ignore output events
- VMEventHandler.onDaemonEvent: short-circuit output before main-thread post
- VM stdout/stderr/uart bursts no longer trigger home summary refresh or onVMStateChanged dispatch, fixing main thread saturation during VM boot
- MainHomeFragment.onDaemonEvent: ignore output events - VMEventHandler.onDaemonEvent: short-circuit output before main-thread post - VM stdout/stderr/uart bursts no longer trigger home summary refresh or onVMStateChanged dispatch, fixing main thread saturation during VM boot
There was a problem hiding this comment.
Pull request overview
This PR reduces UI work caused by high-frequency VM output events during boot by preventing those events from triggering home summary refreshes or VM state callback dispatch.
Changes:
- Filters
outputdaemon events inMainHomeFragment. - Short-circuits
outputevents inVMEventHandlerbefore posting to the main thread.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
app/src/main/java/cn/classfun/droidvm/ui/main/home/MainHomeFragment.java |
Skips home refreshes for VM output events. |
app/src/main/java/cn/classfun/droidvm/lib/daemon/VMEventHandler.java |
Avoids main-thread state dispatch for VM output events. |
💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.