Converted from Eclipse to Android Studio 3.0.1

.gitignore

@@ -1,3 +1,114 @@
-/assets
-/bin
-/gen
+
+# Created by https://www.gitignore.io/api/androidstudio
+
+### AndroidStudio ###
+# Covers files to be ignored for android development using Android Studio.
+
+# Built application files
+*.apk
+*.ap_
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+
+# Gradle files
+.gradle
+.gradle/
+build/
+
+# Signing files
+.signing/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio
+/*/build/
+/*/local.properties
+/*/out
+/*/*/build
+/*/*/production
+captures/
+.navigation/
+*.ipr
+*~
+*.swp
+
+# Android Patch
+gen-external-apklibs
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+
+# NDK
+obj/
+
+# IntelliJ IDEA
+*.iml
+*.iws
+/out/
+
+# https://stackoverflow.com/questions/26336709/android-studio-should-the-entire-idea-directory-be-in-git-ignore
+.idea
+
+# Keystore files
+*.jks
+
+# OS-specific files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Legacy Eclipse project files
+.classpath
+.project
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+
+# virtual machine crash logs (Reference: http://www.java.com/en/download/help/error_hotspot.xml)
+hs_err_pid*
+
+## Plugin-specific files:
+
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+### AndroidStudio Patch ###
+# Google Services plugin
+google-services.json
+
+!/gradle/wrapper/gradle-wrapper.jar
+
+# End of https://www.gitignore.io/api/androidstudio

app/build.gradle

@@ -0,0 +1,21 @@
+apply plugin: 'com.android.application'
+android {
+    compileSdkVersion 'Giesecke Devrient GmbH:Open Mobile API:21'
+    buildToolsVersion '27.0.3'
+
+    defaultConfig {
+        applicationId "com.gieseckedevrient.android.hellosmartcard"
+        minSdkVersion 4
+        targetSdkVersion 15
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
+        }
+    }
+}
+
+dependencies {
+}

app/release/output.json

@@ -0,0 +1 @@
+[{"outputType":{"type":"APK"},"apkInfo":{"type":"MAIN","splits":[],"versionCode":1,"versionName":"1.0.1-SNAPSHOT","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}]

app/src/main/java/com/gieseckedevrient/android/hellosmartcard/Eduroam.java

@@ -0,0 +1,55 @@
+package com.gieseckedevrient.android.hellosmartcard;
+
+import android.util.Log;
+
+import nl.mansoft.openmobileapi.util.CommandApdu;
+import nl.mansoft.openmobileapi.util.ResponseApdu;
+
+import java.io.IOException;
+
+public class Eduroam {
+    private final String TAG = Eduroam.class.getSimpleName();
+    public final static int OFFSET_USER = 0x00;
+    public final static int OFFSET_PASSWORD = 0x20;
+    private SmartcardIO mSmartcardIO;
+
+    public Eduroam(SmartcardIO smartcardIO) {
+        mSmartcardIO = smartcardIO;
+    }
+
+    public ResponseApdu selectEduroam() throws IOException {
+        CommandApdu c = new CommandApdu((byte)0x00, (byte)0xA4, (byte)0x00, (byte)0x00, new byte[] { 0x10, 0x00 });
+        return mSmartcardIO.runAPDU(c);
+    }
+
+    public ResponseApdu readEduroam() throws IOException {
+        ResponseApdu result = selectEduroam();
+        if (result.isSuccess()) {
+            Log.d(TAG, "reading eduroam");
+            CommandApdu c = new CommandApdu((byte)0x00, (byte)0xB0, (byte)0x00, (byte)0x00);
+            result = mSmartcardIO.runAPDU(c);
+        }
+        return result;
+    }
+
+    public boolean updateEduroam(byte[] data) throws IOException {
+        boolean result = false;
+        if (selectEduroam() != null) {
+            Log.d(TAG, "updating eduroam");
+            CommandApdu c = new CommandApdu((byte)0x00, (byte)0xD6, (byte)0x00, (byte)0x00, data);
+            result = mSmartcardIO.runAPDU(c) != null;
+        }
+        return result;
+    }
+
+    public static String readStringFromByteArray(byte[] barr, int offset) {
+        String result = "";
+        byte b;
+        int i = offset;
+        while ((b = barr[i++]) != (byte) 0xFF) {
+            result += (char) b;
+        }
+        return result;
+    }
+
+}