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Add Video metadata creation sample with Gemini and Media3 #71
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8f853dc
Create a new video-metatdata-creation-sample with Gemini, Firebase an…
MayuriKhinvasara 5a3d33a
Create a new video-metatdata-creation-sample with Gemini, Firebase an…
MayuriKhinvasara 6331d80
Create a new video-metatdata-creation-sample with Gemini, Firebase an…
MayuriKhinvasara 688c239
Create a new video-metatdata-creation-sample with Gemini, Firebase an…
MayuriKhinvasara 58941a1
Create a new video-metatdata-creation-sample with Gemini, Firebase an…
MayuriKhinvasara 91ca1d4
Create a new video-metatdata-creation-sample with Gemini, Firebase an…
MayuriKhinvasara 7995179
Merge remote-tracking branch 'origin/video-metadata-creation' into vi…
MayuriKhinvasara 64e58d2
Merge remote-tracking branch 'origin/video-metadata-creation' into vi…
MayuriKhinvasara f7d8d84
Merge remote-tracking branch 'origin/video-metadata-creation' into vi…
MayuriKhinvasara 8aadc1c
🤖 Apply Spotless formatting
MayuriKhinvasara 8eb2692
Upgrade video metadata sample to use Gemini 2.5 Flash.
MayuriKhinvasara b820bff
Migrate VideoPlayer from Android Views to use new Media3 Compose UI
MayuriKhinvasara 5d74ebf
Reset metadata on video change and update description prompt
MayuriKhinvasara b1ca497
Merge branch 'main' into video-metadata-creation
MayuriKhinvasara b1ec586
🤖 Apply Spotless formatting
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82 changes: 82 additions & 0 deletions
82
ai-catalog/samples/gemini-video-metadata-creation/build.gradle.kts
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|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| /* | ||
| * Copyright 2025 The Android Open Source Project | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| plugins { | ||
| alias(libs.plugins.android.library) | ||
| alias(libs.plugins.jetbrains.kotlin.android) | ||
| alias(libs.plugins.ksp) | ||
| alias(libs.plugins.compose.compiler) | ||
| alias(libs.plugins.hilt.plugin) | ||
| } | ||
|
|
||
| android { | ||
| namespace = "com.android.ai.samples.geminivideometadatacreation" | ||
| compileSdk = 36 | ||
|
|
||
| defaultConfig { | ||
| minSdk = 24 | ||
| testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner" | ||
| } | ||
|
|
||
| buildTypes { | ||
| release { | ||
| isMinifyEnabled = false | ||
| proguardFiles( | ||
| getDefaultProguardFile("proguard-android-optimize.txt"), | ||
| "proguard-rules.pro", | ||
| ) | ||
| } | ||
| } | ||
| compileOptions { | ||
| sourceCompatibility = JavaVersion.VERSION_17 | ||
| targetCompatibility = JavaVersion.VERSION_17 | ||
| } | ||
| kotlinOptions { | ||
| jvmTarget = "17" | ||
| } | ||
| buildFeatures { | ||
| compose = true | ||
| } | ||
| } | ||
|
|
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| dependencies { | ||
|
|
||
| implementation(libs.androidx.core.ktx) | ||
| implementation(libs.androidx.appcompat) | ||
| implementation(libs.androidx.activity.compose) | ||
| implementation(libs.androidx.material.icons.extended) | ||
| implementation(platform(libs.androidx.compose.bom)) | ||
| implementation(libs.hilt.android) | ||
| implementation(libs.hilt.navigation.compose) | ||
| implementation(libs.androidx.material3.android) | ||
| implementation(libs.firebase.common.ktx) | ||
| implementation(libs.androidx.lifecycle.runtime.compose) | ||
| implementation(libs.androidx.ui.tooling.preview.android) | ||
| ksp(libs.hilt.compiler) | ||
| implementation(platform(libs.firebase.bom)) | ||
| implementation(libs.firebase.ai) | ||
|
|
||
| // Media3 ExoPlayer | ||
| implementation(libs.androidx.media3.exoplayer) | ||
| implementation(libs.androidx.media3.ui) | ||
| implementation(libs.androidx.media3.transformer) | ||
| implementation(libs.androidx.media3.ui.compose) | ||
| implementation(libs.kotlinx.coroutines.guava) | ||
|
|
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| androidTestImplementation(libs.androidx.junit) | ||
| androidTestImplementation(libs.androidx.espresso.core) | ||
| androidTestImplementation(platform(libs.androidx.compose.bom)) | ||
| androidTestImplementation(libs.androidx.ui.test.junit4) | ||
| } |
21 changes: 21 additions & 0 deletions
21
ai-catalog/samples/gemini-video-metadata-creation/proguard-rules.pro
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| @@ -0,0 +1,21 @@ | ||
| # Add project specific ProGuard rules here. | ||
| # You can control the set of applied configuration files using the | ||
| # proguardFiles setting in build.gradle. | ||
| # | ||
| # For more details, see | ||
| # http://developer.android.com/guide/developing/tools/proguard.html | ||
|
|
||
| # If your project uses WebView with JS, uncomment the following | ||
| # and specify the fully qualified class name to the JavaScript interface | ||
| # class: | ||
| #-keepclassmembers class fqcn.of.javascript.interface.for.webview { | ||
| # public *; | ||
| #} | ||
|
|
||
| # Uncomment this to preserve the line number information for | ||
| # debugging stack traces. | ||
| #-keepattributes SourceFile,LineNumberTable | ||
|
|
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| # If you keep the line number information, uncomment this to | ||
| # hide the original source file name. | ||
| #-renamesourcefileattribute SourceFile |
216 changes: 216 additions & 0 deletions
216
...in/java/com/android/ai/samples/geminivideometadatacreation/VideoMetadataCreationScreen.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,216 @@ | ||
| /* | ||
| * Copyright 2025 The Android Open Source Project | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.android.ai.samples.geminivideometadatacreation | ||
|
|
||
| import android.content.Intent | ||
| import androidx.compose.foundation.layout.Arrangement | ||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.fillMaxHeight | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.material.icons.Icons | ||
| import androidx.compose.material.icons.filled.Code | ||
| import androidx.compose.material3.AlertDialog | ||
| import androidx.compose.material3.Button | ||
| import androidx.compose.material3.CircularProgressIndicator | ||
| import androidx.compose.material3.ExperimentalMaterial3Api | ||
| import androidx.compose.material3.Icon | ||
| import androidx.compose.material3.MaterialTheme | ||
| import androidx.compose.material3.Scaffold | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.material3.TopAppBar | ||
| import androidx.compose.material3.TopAppBarDefaults.topAppBarColors | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.DisposableEffect | ||
| import androidx.compose.runtime.LaunchedEffect | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.runtime.setValue | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.platform.LocalContext | ||
| import androidx.compose.ui.res.stringResource | ||
| import androidx.compose.ui.unit.dp | ||
| import androidx.compose.ui.unit.sp | ||
| import androidx.core.net.toUri | ||
| import androidx.hilt.navigation.compose.hiltViewModel | ||
| import androidx.lifecycle.compose.collectAsStateWithLifecycle | ||
| import androidx.media3.common.MediaItem | ||
| import androidx.media3.exoplayer.ExoPlayer | ||
| import com.android.ai.samples.geminivideometadatacreation.player.VideoPlayer | ||
| import com.android.ai.samples.geminivideometadatacreation.player.VideoSelectionDropdown | ||
| import com.android.ai.samples.geminivideometadatacreation.ui.ButtonGrid | ||
| import com.android.ai.samples.geminivideometadatacreation.ui.OutputTextDisplay | ||
| import com.android.ai.samples.geminivideometadatacreation.ui.ThumbnailScreen | ||
| import com.android.ai.samples.geminivideometadatacreation.util.sampleVideoList | ||
| import com.android.ai.samples.geminivideometadatacreation.viewmodel.MetadataCreationState | ||
| import com.android.ai.samples.geminivideometadatacreation.viewmodel.MetadataType | ||
| import com.android.ai.samples.geminivideometadatacreation.viewmodel.VideoMetadataCreationState | ||
| import com.android.ai.samples.geminivideometadatacreation.viewmodel.VideoMetadataCreationViewModel | ||
|
|
||
| /** | ||
| * Composable function for the AI Video Metadata Creation screen. | ||
| * | ||
| * This screen allows users to select a video, play it, and generate metadata of its content | ||
| * using Firebase AI. It also provides text-to-speech functionality to read out | ||
| */ | ||
| @OptIn(ExperimentalMaterial3Api::class) | ||
| @Composable | ||
| fun VideoMetadataCreationScreen(viewModel: VideoMetadataCreationViewModel = hiltViewModel()) { | ||
| val uiState by viewModel.uiState.collectAsStateWithLifecycle() | ||
| val context = LocalContext.current | ||
| var isDropdownExpanded by remember { mutableStateOf(false) } | ||
|
|
||
| val exoPlayer = remember(context) { | ||
| ExoPlayer.Builder(context).build().apply { | ||
| playWhenReady = true | ||
| } | ||
| } | ||
|
|
||
| LaunchedEffect(uiState.selectedVideoUri) { | ||
| uiState.selectedVideoUri?.let { | ||
| exoPlayer.setMediaItem(MediaItem.fromUri(it)) | ||
| exoPlayer.prepare() | ||
| } | ||
| } | ||
|
|
||
| Scaffold( | ||
| topBar = { | ||
| TopAppBar( | ||
| colors = topAppBarColors( | ||
| containerColor = MaterialTheme.colorScheme.primaryContainer, | ||
| titleContentColor = MaterialTheme.colorScheme.primary, | ||
| ), | ||
| title = { | ||
| Text(text = stringResource(R.string.video_metadata_creation_title)) | ||
| }, | ||
| actions = { | ||
| SeeCodeButton() | ||
| }, | ||
| ) | ||
| }, | ||
| ) { innerPadding -> | ||
| Column( | ||
| modifier = Modifier | ||
| .padding(16.dp) | ||
| .padding(innerPadding) | ||
| .fillMaxHeight(), | ||
| verticalArrangement = Arrangement.spacedBy(8.dp), | ||
| ) { | ||
| VideoSelectionDropdown( | ||
| selectedVideoUri = uiState.selectedVideoUri, | ||
| isDropdownExpanded = isDropdownExpanded, | ||
| videoOptions = sampleVideoList, | ||
| onVideoUriSelected = { uri -> | ||
| viewModel.onVideoSelected(uri) | ||
| }, | ||
| onDropdownExpanded = { isDropdownExpanded = it }, | ||
| ) | ||
|
|
||
| VideoPlayer( | ||
| player = exoPlayer, | ||
| modifier = Modifier | ||
| .fillMaxWidth() | ||
| .weight(0.25f), | ||
| ) | ||
|
|
||
| MetadataCreationSection( | ||
| uiState = uiState, | ||
| onDismissError = { viewModel.dismissError() }, | ||
| onMetadataTypeClicked = { | ||
| viewModel.onMetadataTypeSelected(it) | ||
| viewModel.createMetadata(it) | ||
| }, | ||
| modifier = Modifier.weight(0.75f), | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| DisposableEffect(key1 = exoPlayer) { | ||
| onDispose { | ||
| exoPlayer.release() | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Composable | ||
| private fun MetadataCreationSection( | ||
| uiState: VideoMetadataCreationState, | ||
| onDismissError: () -> Unit, | ||
| onMetadataTypeClicked: (MetadataType) -> Unit, | ||
| modifier: Modifier = Modifier, | ||
| ) { | ||
| Column( | ||
| verticalArrangement = Arrangement.spacedBy(16.dp), | ||
| modifier = modifier, | ||
| ) { | ||
| ButtonGrid( | ||
| selectedMetadataType = uiState.selectedMetadataType, | ||
| onMetadataCreationClicked = onMetadataTypeClicked, | ||
| ) | ||
|
|
||
| when (val metadataCreationState = uiState.metadataCreationState) { | ||
| is MetadataCreationState.InProgress -> { | ||
| CircularProgressIndicator(modifier = Modifier.align(Alignment.CenterHorizontally)) | ||
| } | ||
|
|
||
| is MetadataCreationState.Error -> { | ||
| AlertDialog( | ||
| onDismissRequest = onDismissError, | ||
| title = { Text("Error") }, | ||
| text = { Text(metadataCreationState.message) }, | ||
| confirmButton = { | ||
| Button(onClick = onDismissError) { | ||
| Text("OK") | ||
| } | ||
| }, | ||
| ) | ||
| } | ||
|
|
||
| is MetadataCreationState.Success -> { | ||
| Column(modifier = Modifier.weight(1f), verticalArrangement = Arrangement.spacedBy(16.dp)) { | ||
| OutputTextDisplay(metadataCreationState.metadataText) | ||
| ThumbnailScreen(thumbnailState = metadataCreationState.thumbnailState) | ||
| } | ||
| } | ||
|
|
||
| MetadataCreationState.Idle -> { | ||
| // Default state - No button is selected unless exp licitly selected | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Composable | ||
| fun SeeCodeButton() { | ||
| val context = LocalContext.current | ||
| val githubLink = | ||
| "https://github.com/android/ai-samples/tree/main/ai-catalog/samples/gemini-video-metadata-creation" | ||
| Button( | ||
| onClick = { | ||
| val intent = Intent(Intent.ACTION_VIEW, githubLink.toUri()) | ||
| context.startActivity(intent) | ||
| }, | ||
| ) { | ||
| Icon(Icons.Filled.Code, contentDescription = "See code") | ||
| Text( | ||
| modifier = Modifier.padding(start = 8.dp), | ||
| fontSize = 12.sp, | ||
| text = stringResource(R.string.see_code), | ||
| ) | ||
| } | ||
| } | ||
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Can we reset the content of
OutputTextDisplaywhen the user selects a different video?Uh oh!
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Ack. Fixed