Gemini Live sample #53

lethargicpanda · 2025-07-07T18:03:09Z

Add new sample showcasing the Gemini Live API used to support a Todo app.

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Summary of Changes

Hello @lethargicpanda, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a new, fully functional sample application that demonstrates the capabilities of the Gemini Live API within an Android environment. The sample, a voice-controlled Todo list, serves as a practical example of how to integrate real-time conversational AI for interactive user experiences, expanding the existing AI catalog with a cutting-edge feature.

Highlights

New Sample Application: I've added a new sample application named gemini-live-todo to showcase the integration of the Gemini Live API. This sample implements a simple Todo list application that can be interacted with via voice commands.
Gemini Live API Integration: The new Todo sample demonstrates how to initialize a Gemini Live session, define custom tools (functions like addTodo, removeTodo, toggleTodoStatus, getTodoList), and handle function calls from the Gemini model to manage the Todo list state. It also configures speech output and system instructions for the model.
Android Compose UI: The sample features a modern Android UI built with Jetpack Compose, including a TodoScreen that displays the list of tasks and allows for manual input or voice-driven interaction via a floating action button.
Permissions and Dependencies: The application now requests the RECORD_AUDIO permission, which is essential for the Gemini Live API's voice input capabilities. I've also updated libs.versions.toml and the app's build.gradle.kts to include necessary dependencies for Firebase AI, Compose Material3, and Hilt.

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Code Review

The pull request introduces the 'Gemini Live Todo' sample, showcasing voice interaction with a to-do list. Review comments suggest improvements in ID generation, package names, state management, null handling, Java versioning, accessibility, and code clarity.

...mini-live-todo/src/main/java/com/android/ai/samples/geminilivetodo/ui/TodoScreenViewModel.kt

ai-catalog/samples/gemini-live-todo/build.gradle.kts

...og/samples/gemini-live-todo/src/main/java/com/android/ai/samples/geminilivetodo/data/Todo.kt

...amples/gemini-live-todo/src/main/java/com/android/ai/samples/geminilivetodo/ui/TodoScreen.kt

...mini-live-todo/src/main/java/com/android/ai/samples/geminilivetodo/ui/TodoScreenViewModel.kt

ai-catalog/gradle/libs.versions.toml

...og/samples/gemini-live-todo/src/main/java/com/android/ai/samples/geminilivetodo/data/Todo.kt

ai-catalog/app/src/main/AndroidManifest.xml

...amples/gemini-live-todo/src/main/java/com/android/ai/samples/geminilivetodo/ui/TodoScreen.kt

ksemenova

LGTM, let's add tests in future as well

ksemenova · 2025-07-14T19:54:00Z

...mini-live-todo/src/main/java/com/android/ai/samples/geminilivetodo/ui/TodoScreenViewModel.kt

+        viewModelScope.launch {
+            Log.d(TAG, "Start Gemini Live initialization")
+            val liveGenerationConfig = liveGenerationConfig {
+                speechConfig = SpeechConfig(voice = Voice("FENRIR"))


nit: Would be great to document options for Voice as well.

Add UiState.Error to manage Live Sesssion connection error

bentrengrove · 2025-07-17T04:14:00Z

...amples/gemini-live-todo/src/main/java/com/android/ai/samples/geminilivetodo/ui/TodoScreen.kt

+}
+
+@Composable
+fun TodoInput(text: String, onTextChange: (String) -> Unit, onAddClick: () -> Unit) {


Every composable function except top level screen composables should take a modifier parameter

bentrengrove · 2025-07-17T04:14:34Z

...mini-live-todo/src/main/java/com/android/ai/samples/geminilivetodo/ui/TodoScreenViewModel.kt

+    }
+
+    @SuppressLint("MissingPermission")
+    fun toggleLiveSession(activity: Activity) {


You shouldn't ever pass an Activity into the view model because it causes memory leaks.

Permissions requests are done in the UI layer

I opened a separate PR to address this one and the other comment:
#63

bentrengrove · 2025-07-25T04:39:01Z

...amples/gemini-live-todo/src/main/java/com/android/ai/samples/geminilivetodo/ui/TodoScreen.kt

+                }
+                is TodoScreenUiState.Success -> {
+                    val todos = (uiState as TodoScreenUiState.Success).todos
+                    LazyColumn(modifier = Modifier.fillMaxSize()) {


I just noticed that this section is completely copy pasted, you should extract it. But also, I don't think you even need the higher level UIState error, you never use it and you have the error in the LiveSessionState

bentrengrove · 2025-07-25T04:39:19Z

...gemini-live-todo/src/main/java/com/android/ai/samples/geminilivetodo/ui/TodoScreenUiState.kt

+    data object NotReady : LiveSessionState
+    data object Ready : LiveSessionState
+    data object Running : LiveSessionState
+    data object Error : LiveSessionState


Add an error message here

bentrengrove · 2025-07-25T04:39:28Z

...gemini-live-todo/src/main/java/com/android/ai/samples/geminilivetodo/ui/TodoScreenUiState.kt

+        val liveSessionState: LiveSessionState,
+    ) : TodoScreenUiState
+
+    data class Error(


As above, I don't think you need this.

gemini-code-assist bot reviewed Jul 7, 2025

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lethargicpanda assigned bentrengrove and ksemenova Jul 7, 2025

gemini-code-assist bot reviewed Jul 7, 2025

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bentrengrove reviewed Jul 8, 2025

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ksemenova reviewed Jul 8, 2025

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...amples/gemini-live-todo/src/main/java/com/android/ai/samples/geminilivetodo/ui/TodoScreen.kt Show resolved Hide resolved

lethargicpanda changed the title ~~Gemini Live samples~~ Gemini Live sample Jul 11, 2025

ksemenova approved these changes Jul 14, 2025

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ksemenova reviewed Jul 14, 2025

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lethargicpanda and others added 19 commits July 14, 2025 22:00

Add Gemini live todo sample

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Refactoring

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Add UiState.Error for connection error

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Add UiState.Error to manage Live Sesssion connection error

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Add permission runtime

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lethargicpanda force-pushed the gemini-live branch from a18189d to 32712ff Compare July 15, 2025 07:21

lethargicpanda merged commit 8b29724 into main Jul 15, 2025
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lethargicpanda deleted the gemini-live branch July 15, 2025 07:39

bentrengrove reviewed Jul 17, 2025

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bentrengrove reviewed Jul 25, 2025

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Gemini Live sample #53

Gemini Live sample #53

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lethargicpanda commented Jul 7, 2025

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Summary of Changes

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