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Merged
thatfiredev merged 7 commits into from
Nov 13, 2026
Merged

feat(ai-logic): Add Gemini Nano Banana 2.1 quickstart #2847

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1aeb880
delete gemini-2.5-flash-image sample
thatfiredev Oct 6, 2026
9dd9eee
add Gemini Nano Banana 2.1 sample
thatfiredev Oct 6, 2026
50eaf90
update README.md
thatfiredev Nov 9, 2026
a0e8c20
update for consistency
thatfiredev Nov 9, 2026
de1b6e1
Merge branch 'master' of github.com:firebase/quickstart-android into …
thatfiredev Nov 9, 2026
a3c8f0f
Merge branch 'master' into rpf/nano-banana-2.1
thatfiredev Nov 13, 2026
1f22dc5
Apply suggestion from @thatfiredev
thatfiredev Nov 13, 2026
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11 changes: 6 additions & 5 deletions firebase-ai/README.md
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Expand Up @@ -30,13 +30,14 @@ You can find the implementation for each feature by clicking on the links below:
### Gemini 3 & 4
- [SVG Generator](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/SvgViewModel.kt): Use Gemini 4 Hydrogen to create SVG illustrations
- [Translate text](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/TranslationViewModel.kt): Use Gemini 3.5 Flash-Lite to translate text
- [Gemini 3.1 Flash Image (Nano Banana 2)](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/NanoBanana2ViewModel.kt): Generate and/or edit images using Nano Banana 2
- [Gemini 3 Pro Image (Nano Banana Pro)](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/NanoBananaProViewModel.kt): Generate and/or edit images using Nano Banana Pro
- [Nano Banana 2.1](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/NanoBanana2ViewModel.kt): Generate and/or edit images using Nano Banana 2.1
- [Nano Banana 2 Lite (Gemini 3.1 Flash Image Lite)](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/NanoBananaLiteViewModel.kt): Generate and/or edit images using Nano Banana 2 Lite
- [Nano Banana Pro (Gemini 3 Pro Image)](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/NanoBananaProViewModel.kt): Generate and/or edit images using Nano Banana Pro

### Nano Banana
- [Gemini 3.1 Flash Image (Nano Banana 2)](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/NanoBanana2ViewModel.kt): Generate and/or edit images using Nano Banana 2
- [Gemini 3 Pro Image (Nano Banana Pro)](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/NanoBananaProViewModel.kt): Generate and/or edit images using Nano Banana Pro
- [Gemini 2.5 Flash Image (Nano Banana)](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/NanoBananaViewModel.kt): Generate and/or edit images using Nano Banana
- [Nano Banana 2.1](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/NanoBanana2ViewModel.kt): Generate and/or edit images using Nano Banana 2.1
- [Nano Banana 2 Lite (Gemini 3.1 Flash Image Lite)](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/NanoBananaLiteViewModel.kt): Generate and/or edit images using Nano Banana 2 Lite
- [Nano Banana Pro (Gemini 3 Pro Image)](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/NanoBananaProViewModel.kt): Generate and/or edit images using Nano Banana Pro

### Multimodal understanding
- [Audio Summarization](app/src/main/java/com/google/firebase/quickstart/ai/feature/text/AudioSummarizationViewModel.kt): Use Gemini 3.5 Flash-Lite to summarize an audio file
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2 changes: 1 addition & 1 deletion .../app/src/main/java/com/google/firebase/quickstart/ai/feature/text/NanoBanana2ViewModel.kt
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Expand Up @@ -41,7 +41,7 @@ class NanoBanana2ViewModel : ChatViewModel() {
backend = GenerativeBackend.googleAI(),
useLimitedUseAppCheckTokens = true
).generativeModel(
modelName = "gemini-3.1-flash-image",
modelName = "gemini-nano-banana-2.1",
generationConfig = generationConfig {
responseModalities = listOf(ResponseModality.TEXT, ResponseModality.IMAGE)
// Optionally specify additional configuration
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44 changes: 0 additions & 44 deletions ...i/app/src/main/java/com/google/firebase/quickstart/ai/feature/text/NanoBananaViewModel.kt
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28 changes: 9 additions & 19 deletions ...ai/app/src/main/java/com/google/firebase/quickstart/ai/ui/navigation/FirebaseAISamples.kt
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Expand Up @@ -32,8 +32,6 @@ import com.google.firebase.quickstart.ai.feature.text.NanoBananaLiteRoute
import com.google.firebase.quickstart.ai.feature.text.NanoBananaLiteViewModel
import com.google.firebase.quickstart.ai.feature.text.NanoBananaProRoute
import com.google.firebase.quickstart.ai.feature.text.NanoBananaProViewModel
import com.google.firebase.quickstart.ai.feature.text.NanoBananaRoute
import com.google.firebase.quickstart.ai.feature.text.NanoBananaViewModel
import com.google.firebase.quickstart.ai.feature.text.ServerPromptTemplateRoute
import com.google.firebase.quickstart.ai.feature.text.ServerPromptTemplateViewModel
import com.google.firebase.quickstart.ai.feature.text.SvgRoute
Expand Down Expand Up @@ -97,37 +95,29 @@ val FIREBASE_AI_SAMPLES = listOf(
categories = listOf(Category.MULTIMODAL_UNDERSTANDING)
),
Sample(
title = "Gemini 3.1 Flash Image Lite (Nano Banana Lite)",
description = "Generate and/or edit images using Nano Banana Lite",
route = NanoBananaLiteRoute,
title = "Nano Banana 2.1",
description = "Generate and/or edit images using Nano Banana 2.1",
route = NanoBanana2Route,
screenType = ScreenType.CHAT,
viewModelClass = NanoBananaLiteViewModel::class,
viewModelClass = NanoBanana2ViewModel::class,
categories = listOf(Category.NANO_BANANA, Category.FEATURED)
),
Sample(
title = "Gemini 3.1 Flash Image (Nano Banana 2)",
description = "Generate and/or edit images using Nano Banana 2",
route = NanoBanana2Route,
title = "Nano Banana 2 Lite (Gemini 3.1 Flash Image Lite)",
description = "Generate and/or edit images using Nano Banana 2 Lite",
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route = NanoBananaLiteRoute,
screenType = ScreenType.CHAT,
viewModelClass = NanoBanana2ViewModel::class,
viewModelClass = NanoBananaLiteViewModel::class,
categories = listOf(Category.NANO_BANANA, Category.FEATURED)
),
Sample(
title = "Gemini 3 Pro Image (Nano Banana Pro)",
title = "Nano Banana Pro (Gemini 3 Pro Image)",
description = "Generate and/or edit images using Nano Banana Pro",
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route = NanoBananaProRoute,
screenType = ScreenType.CHAT,
viewModelClass = NanoBananaProViewModel::class,
categories = listOf(Category.NANO_BANANA, Category.FEATURED)
),
Sample(
title = "Gemini 2.5 Flash Image (Nano Banana)",
description = "Generate and/or edit images using Nano Banana",
route = NanoBananaRoute,
screenType = ScreenType.CHAT,
viewModelClass = NanoBananaViewModel::class,
categories = listOf(Category.NANO_BANANA)
),
Sample(
title = "Document comparison (Agent Platform)",
description = "Compare the contents of 2 documents stored in Cloud Storage",
Expand Down
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