Initial commit

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    namespace 'com.vogel.nfc_reader'
+    compileSdk 33
+
+    defaultConfig {
+        applicationId "com.vogel.nfc_reader"
+        minSdk 24
+        targetSdk 33
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary true
+        }
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+    buildFeatures {
+        compose true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion '1.2.0'
+    }
+    packagingOptions {
+        resources {
+            excludes += '/META-INF/{AL2.0,LGPL2.1}'
+        }
+    }
+}
+
+dependencies {
+
+    implementation("androidx.core:core-ktx:1.7.0")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.3.1")
+    implementation("androidx.activity:activity-compose:1.3.1")
+    implementation("androidx.compose.ui:ui:$compose_ui_version")
+    implementation("androidx.compose.ui:ui-tooling-preview:$compose_ui_version")
+    implementation("androidx.compose.material:material:1.2.0")
+    implementation("androidx.navigation:navigation-runtime-ktx:2.5.3")
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+    androidTestImplementation("androidx.compose.ui:ui-test-junit4:$compose_ui_version")
+    debugImplementation("androidx.compose.ui:ui-tooling:$compose_ui_version")
+    debugImplementation("androidx.compose.ui:ui-test-manifest:$compose_ui_version")
+
+    // Dagger-Hilt
+    implementation("androidx.hilt:hilt-navigation-compose:1.0.0")
+    implementation("androidx.navigation:navigation-compose:2.5.3")
+
+    implementation project(':nfc_reader')
+}

app/proguard-rules.pro

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+# 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
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/vogel/nfc_reader/ExampleInstrumentedTest.kt

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+package com.vogel.nfc_reader
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.vogel.nfc_reader", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-feature
+        android:name="android.hardware.nfc"
+        android:required="true" />
+    <uses-permission android:name="android.permission.NFC" />
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.NFCReader"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/title_activity_main_activity"
+            android:theme="@style/Theme.NFCReader">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+
+            </intent-filter>
+
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/vogel/nfc_reader/MainActivity.kt

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+package com.vogel.nfc_reader
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.viewModels
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.Button
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.lifecycleScope
+import com.vogel.nfc_reader.nfc.model.CardData
+import com.vogel.nfc_reader.nfc.utils.NFCState
+import com.vogel.nfc_reader.ui.theme.NFCReaderTheme
+import dagger.hilt.android.AndroidEntryPoint
+
+@AndroidEntryPoint
+class MainActivity : ComponentActivity() {
+
+    private val viewModel by viewModels<MainViewModel>()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        val cardStateText = mutableStateOf("")
+        val settingsButtonVisible = mutableStateOf(false)
+
+        lifecycleScope.launchWhenStarted {
+            viewModel.cardReaderObservable.event.collect {
+                settingsButtonVisible.value = false
+                cardStateText.value = when (it) {
+                    NFCState.CardLost -> "Keep it steady. Card lost!"
+                    is NFCState.Error -> getErrorLabel(it.throwable)
+                    NFCState.Disabled -> {
+                        settingsButtonVisible.value = true
+                        "NFC Disabled"
+                    }
+
+                    NFCState.NotSupported -> "NFC Not Supported"
+                    NFCState.ReadyToScan -> "Ready to Scan"
+                    NFCState.StartReading -> "Reading card..."
+                    is NFCState.Success -> getCardLabel(it.card)
+                }
+            }
+        }
+        setContent {
+            NFCReaderTheme {
+                CardDataScreen(
+                    data = cardStateText.value,
+                    settingsButtonVisible = settingsButtonVisible.value
+                ) {
+                    viewModel.cardReader.openSettings(this)
+                }
+            }
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        viewModel.cardReaderObservable.start(this)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        viewModel.cardReaderObservable.stop(this)
+    }
+
+    companion object {
+        internal fun getCardLabel(cardData: CardData): String {
+            return """
+                AID: ${cardData.aids.joinToString(" | ")}
+                Type: ${cardData.types.joinToString(" | ")}
+                State: ${cardData.state.name}
+                
+                Number: ${cardData.formattedNumber}
+                Expires: ${cardData.formattedDate}
+                
+                Valid: ${cardData.isValid}
+                
+                Holder: ${cardData.holderLastName}
+                
+            """.trimIndent()
+        }
+
+        internal fun getErrorLabel(error: Throwable): String {
+            return """
+                ERROR
+                Message: ${error.message ?: error.cause?.message}
+                
+            """.trimIndent()
+        }
+    }
+
+    @Composable
+    fun CardDataScreen(
+        data: String,
+        settingsButtonVisible: Boolean,
+        openNfcSettings: () -> Unit = {}
+    ) {
+        Column(
+            modifier = Modifier
+                .background(MaterialTheme.colors.background)
+                .fillMaxSize(),
+            verticalArrangement = Arrangement.Center,
+            horizontalAlignment = Alignment.CenterHorizontally
+        ) {
+            Text(text = data)
+            if (settingsButtonVisible) {
+                Button(
+                    onClick = openNfcSettings,
+                    modifier = Modifier.padding(top = 15.dp)
+                ) {
+                    Text("SETTINGS")
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/vogel/nfc_reader/MainViewModel.kt

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+package com.vogel.nfc_reader
+
+
+import androidx.lifecycle.ViewModel
+import com.vogel.nfc_reader.nfc.api.CardReader
+import com.vogel.nfc_reader.nfc.api.CardReaderObservable
+
+class MainViewModel : ViewModel() {
+    val cardReader = CardReader.newInstance()
+    val cardReaderObservable = CardReaderObservable.newInstance(cardReader)
+}

app/src/main/java/com/vogel/nfc_reader/ui/theme/Color.kt

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+package com.vogel.components.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+
+val Orange = Color(0xFFFF8A05)
+val OrangeAlt = Color(0xFFFFAA4C)
+val OrangeBackground = Color(0xFFc26a05)
+val Blue = Color(0xFF000E31)
+val BlueItem = Color(0xFF035397)

app/src/main/java/com/vogel/nfc_reader/ui/theme/Shape.kt

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+package com.vogel.components.ui.theme
+
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.Shapes
+import androidx.compose.ui.unit.dp
+
+val Shapes = Shapes(
+    small = RoundedCornerShape(4.dp),
+    medium = RoundedCornerShape(4.dp),
+    large = RoundedCornerShape(0.dp)
+)