1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.nfc.emulatorapp 18 19 import androidx.lifecycle.LiveData 20 import androidx.lifecycle.MutableLiveData 21 import androidx.lifecycle.ViewModel 22 23 class EmulatorViewModel : ViewModel() { 24 private val _uiState: MutableLiveData<EmulatorUiState> = MutableLiveData(EmulatorUiState()) 25 val uiState: LiveData<EmulatorUiState> = _uiState 26 addLognull27 fun addLog(newLog: String) { 28 val existingLog = _uiState.value?.transactionLog 29 _uiState.value = uiState.value?.copy(transactionLog = "$existingLog\n\n$newLog") 30 } 31 setSnoopFilenull32 fun setSnoopFile(file: String) { 33 _uiState.value = uiState.value?.copy(snoopFile = file) 34 } 35 } 36 37 data class EmulatorUiState(val snoopFile: String = "", val transactionLog: String = "") 38 39 data class ApduPair(val command: String, val response: String)