IT Home reported on May 20 that at today's 2026 Google I/O Developer Conference, Google CEO Sundar Pichai previewed a new feature Android Halo, aimed at improving the transparency of AI assistants on mobile devices.
This feature, unveiled during Google I/O, adds a subtle status indicator at the top of the screen, showing users whether the AI agent is running in real-time on the device.
According to Google, when the AI agent is completing a task, entering real-time mode, or sending a message to the user, Android Halo will display the corresponding status.
No matter which app the user is currently in, this indicator remains at the top, making the task progress always visible and reducing anxiety caused by lack of transparency.
IT之家 notes: This design solves a common problem: users previously had to repeatedly switch back to the assistant app to check the progress of Gemini or other assistants.
Android Halo displays the status directly at the system level, allowing users to keep track of whether the AI agent is still running or has responded, even while handling their current task.
In terms of presentation, Google demonstrated a spark icon located in the top-right corner of the screen to indicate agent activity. Although publicly available information currently focuses on status display, the underlying significance leans more toward system-level transparency — turning AI behavior from a "background black box" into a "foreground perceptible" process.
Google says that Android Halo will first support Gemini Spark, a proactive AI agent capability coming to the Gemini app.
When the feature launches later this year, Android Halo will also support other AI agents. Google also mentioned that more Halo capabilities driven by Gemini Intelligence will be added in the future, but specific details have not been announced yet.
2026 Google I/O Developer Conference Special Feature
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