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MainViewModel.kt
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MainViewModel.kt
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/*
* Copyright 2019 Google LLC
*
* 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
*
* http://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.google.android.samples.dynamiccodeloading
import android.app.Application
import android.content.Context
import android.util.Log
const val PROVIDER_CLASS = "com.google.android.samples.storage.StorageFeatureImpl\$Provider"
class MainViewModel(app: Application) : AbstractMainViewModel(app) {
override fun initializeStorageFeature() {
// We will need this to pass in dependencies to the StorageFeature.Provider
val dependencies = object : StorageFeature.Dependencies {
override fun getContext(): Context = getApplication()
override fun getLogger(): Logger = MainLogger
}
// Our provider is implemented as a Kotlin singleton object, that's why we access it with ".objectInstance"
val storageModuleProvider = Class.forName(PROVIDER_CLASS).kotlin.objectInstance as StorageFeature.Provider
// Get an implementation of StorageFeature using the StorageFeature.Provider interface
storageModule = storageModuleProvider.get(dependencies)
Log.d(TAG, "Loaded storage feature through reflection")
}
}