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llama.cpp
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Code Issues Packages Projects Releases Wiki Activity

UI: scaffold Models Management screen and view model

This commit is contained in:
Han Yin 2025-07-07 20:26:32 -07:00
parent 5b3b6126e4
commit 310771f6aa
3 changed files with 64 additions and 16 deletions
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2
examples/llama.android/app/src/main/java/com/example/llama/MainActivity.kt
View File

@ -390,7 +390,7 @@ fun AppContent(
modelsManagementViewModel.toggleImportMenu(false)
},
importFromHuggingFace = {
modelsManagementViewModel.importFromHuggingFace()
modelsManagementViewModel.queryModelsFromHuggingFace()
modelsManagementViewModel.toggleImportMenu(false)
}
)

2
examples/llama.android/app/src/main/java/com/example/llama/ui/screens/ModelsManagementScreen.kt
View File

@ -219,6 +219,8 @@ fun ModelsManagementScreen(
}
is ModelManagementState.Idle -> { /* Idle state, nothing to show */ }
else -> TODO()
}
}

74
examples/llama.android/app/src/main/java/com/example/llama/viewmodel/ModelsManagementViewModel.kt
View File

@ -10,12 +10,15 @@ import com.example.llama.data.model.ModelInfo
import com.example.llama.data.model.ModelSortOrder
import com.example.llama.data.model.filterBy
import com.example.llama.data.model.sortByOrder
import com.example.llama.data.remote.HuggingFaceDownloadInfo
import com.example.llama.data.remote.HuggingFaceModel
import com.example.llama.data.repository.InsufficientStorageException
import com.example.llama.data.repository.ModelRepository
import com.example.llama.util.formatFileByteSize
import com.example.llama.util.getFileNameFromUri
import com.example.llama.util.getFileSizeFromUri
import com.example.llama.viewmodel.ModelManagementState.Deletion
import com.example.llama.viewmodel.ModelManagementState.Download
import com.example.llama.viewmodel.ModelManagementState.Importation
import dagger.hilt.android.lifecycle.HiltViewModel
import dagger.hilt.android.qualifiers.ApplicationContext
@ -130,6 +133,10 @@ class ModelsManagementViewModel @Inject constructor(
_showImportModelMenu.value = show
}
// UI state: HuggingFace models query result
private val _huggingFaceModels = MutableSharedFlow<List<HuggingFaceModel>>()
val huggingFaceModels: SharedFlow<List<HuggingFaceModel>> = _huggingFaceModels
init {
viewModelScope.launch {
combine(
@ -152,13 +159,8 @@ class ModelsManagementViewModel @Inject constructor(
_managementState.value = ModelManagementState.Idle
}
fun viewModelDetails(model: ModelInfo) {
// TODO-han.yin: print logs for now. Would navigate to model details screen or show dialog
Log.i(TAG, "${model.name} metadata: \n" + model.metadata.toString())
}
/**
* First show confirmation instead of starting import immediately
* First show confirmation instead of starting import local file immediately
*/
fun localModelFileSelected(uri: Uri) = viewModelScope.launch {
try {
@ -216,19 +218,57 @@ class ModelsManagementViewModel @Inject constructor(
}
}
// TODO-han.yin: UI TO BE IMPLEMENTED
private val _huggingFaceModels = MutableSharedFlow<List<HuggingFaceModel>>()
val huggingFaceModels: SharedFlow<List<HuggingFaceModel>> = _huggingFaceModels
fun importFromHuggingFace() = viewModelScope.launch {
/**
* Query models on HuggingFace available for download even without signing in
*/
fun queryModelsFromHuggingFace() = viewModelScope.launch {
modelRepository.searchHuggingFaceModels().let { models ->
_huggingFaceModels.emit(models)
Log.d(TAG, "Fetched ${models.size} models from HuggingFace:")
models.forEachIndexed { index, model ->
Log.d(TAG, "#$index: $model")
// TODO-han.yin: remove these logs
// models.forEachIndexed { index, model ->
// Log.d(TAG, "#$index: $model")
// }
}
}
/**
* First show confirmation instead of dispatch download immediately
*/
fun downloadHuggingFaceModelSelected(model: HuggingFaceModel) {
_managementState.value = Download.Confirming(model)
}
/**
* Dispatch download request to [DownloadManager] and update UI
*/
fun downloadHuggingFaceModel(model: HuggingFaceModel) = viewModelScope.launch {
try {
require(!model.gated) { "Model is gated!" }
require(!model.private) { "Model is private!" }
val downloadInfo = model.toDownloadInfo()
requireNotNull(downloadInfo) { "Download URL is missing!" }
val actualSize = modelRepository.getHuggingFaceModelFileSize(downloadInfo)
requireNotNull(actualSize) { "Unknown model file size!" }
Log.d(TAG, "Model file size: ${formatFileByteSize(actualSize)}")
modelRepository.importHuggingFaceModel(downloadInfo, actualSize)
.onSuccess {
_managementState.value = Download.Dispatched(downloadInfo)
}
.onFailure { throw it }
} catch (e: InsufficientStorageException) {
_managementState.value = Download.Error(
message = e.message ?: "Insufficient storage space to download ${model.modelId}",
)
} catch (e: Exception) {
_managementState.value = Download.Error(
message = e.message ?: "Unknown error downloading ${model.modelId}",
)
}
}
/**
@ -283,6 +323,12 @@ sealed class ModelManagementState {
data class Error(val message: String) : Importation()
}
sealed class Download: ModelManagementState() {
data class Confirming(val model: HuggingFaceModel) : Download()
data class Dispatched(val downloadInfo: HuggingFaceDownloadInfo) : Download()
data class Error(val message: String) : Download()
}
sealed class Deletion : ModelManagementState() {
data class Confirming(val models: Map<String, ModelInfo>): ModelManagementState()
data class Deleting(val progress: Float = 0f, val models: Map<String, ModelInfo>) : ModelManagementState()