EuiccChannelManager: check privileges even in "unprivileged" mode

There is no true "unprivileged" mode because we need carrier privileges
either way.

.idea/compiler.xml

@@ -3,11 +3,9 @@
   <component name="CompilerConfiguration">
     <bytecodeTargetLevel target="1.7">
       <module name="OpenEUICC.app" target="17" />
+      <module name="OpenEUICC.app-common" target="17" />
       <module name="OpenEUICC.libs.hidden-apis-shim" target="17" />
       <module name="OpenEUICC.libs.lpac-jni" target="17" />
-      <module name="OpenEUICC.libs.lpad-sm-dp-plus-connector" target="17" />
-      <module name="OpenEUICC.libs.lpad-sm-dp-plus-connector.main" target="17" />
-      <module name="OpenEUICC.libs.lpad-sm-dp-plus-connector.test" target="17" />
     </bytecodeTargetLevel>
   </component>
 </project>

.idea/gradle.xml

@@ -13,6 +13,7 @@
           <set>
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/app" />
+            <option value="$PROJECT_DIR$/app-common" />
             <option value="$PROJECT_DIR$/libs" />
             <option value="$PROJECT_DIR$/libs/hidden-apis-shim" />
             <option value="$PROJECT_DIR$/libs/hidden-apis-stub" />

app-common/.gitignore

@@ -0,0 +1 @@
+/build

app-common/build.gradle

@@ -0,0 +1,45 @@
+plugins {
+    id 'com.android.library'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    namespace 'im.angry.openeuicc.common'
+    compileSdk 34
+
+    defaultConfig {
+        minSdk 30
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles "consumer-rules.pro"
+    }
+
+    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'
+    }
+}
+
+dependencies {
+    implementation project(":libs:lpac-jni")
+    implementation 'androidx.core:core-ktx:1.12.0'
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.10.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.6.2'
+    implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
+    implementation "androidx.cardview:cardview:1.0.0"
+    implementation 'com.journeyapps:zxing-android-embedded:4.3.0'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+}

app-common/proguard-rules.pro

@@ -0,0 +1,21 @@
+# 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-common/src/androidTest/java/im/angry/openeuicc/common/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package im.angry.openeuicc.common
+
+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("im.angry.openeuicc.common.test", appContext.packageName)
+    }
+}

app-common/src/main/AndroidManifest.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:networkSecurityConfig="@xml/network_security_config">
+        <activity
+            android:name="com.journeyapps.barcodescanner.CaptureActivity"
+            android:screenOrientation="fullSensor"
+            tools:replace="screenOrientation" />
+    </application>
+</manifest>

app-common/src/main/java/im/angry/openeuicc/OpenEuiccApplication.kt

@@ -5,21 +5,16 @@ import android.telephony.SubscriptionManager
 import android.telephony.TelephonyManager
 import im.angry.openeuicc.core.EuiccChannelManager
 
-class OpenEuiccApplication : Application() {
+open class OpenEuiccApplication : Application() {
     val telephonyManager by lazy {
         getSystemService(TelephonyManager::class.java)!!
     }
 
-    val euiccChannelManager by lazy {
+    open val euiccChannelManager: EuiccChannelManager by lazy {
         EuiccChannelManager(this)
     }
 
     val subscriptionManager by lazy {
         getSystemService(SubscriptionManager::class.java)!!
     }
-
-    override fun onCreate() {
-        super.onCreate()
-        euiccChannelManager.closeAllStaleChannels()
-    }
 }

app-common/src/main/java/im/angry/openeuicc/core/EuiccChannelManager.kt

@@ -1,5 +1,6 @@
 package im.angry.openeuicc.core
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.os.Handler
 import android.os.HandlerThread
@@ -7,18 +8,17 @@ import android.se.omapi.SEService
 import android.telephony.UiccCardInfo
 import android.util.Log
 import im.angry.openeuicc.OpenEuiccApplication
-import im.angry.openeuicc.util.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlinx.coroutines.withContext
-import java.lang.Exception
 import java.lang.IllegalArgumentException
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
 
-class EuiccChannelManager(private val context: Context) {
+@SuppressLint("MissingPermission") // We rely on ARA-based privileges, not READ_PRIVILEGED_PHONE_STATE
+open class EuiccChannelManager(protected val context: Context) {
     companion object {
         const val TAG = "EuiccChannelManager"
     }
@@ -29,11 +29,13 @@ class EuiccChannelManager(private val context: Context) {
 
     private val lock = Mutex()
 
-    private val tm by lazy {
+    protected val tm by lazy {
         (context.applicationContext as OpenEuiccApplication).telephonyManager
     }
 
-    private val handler = Handler(HandlerThread("EuiccChannelManager").also { it.start() }.looper)
+    private val handler = Handler(HandlerThread("BaseEuiccChannelManager").also { it.start() }.looper)
+
+    protected open fun checkPrivileges() = tm.hasCarrierPrivileges()
 
     private suspend fun connectSEService(): SEService = suspendCoroutine { cont ->
         handler.post {
@@ -50,6 +52,11 @@ class EuiccChannelManager(private val context: Context) {
          }
     }
 
+    protected open fun tryOpenEuiccChannelPrivileged(uiccInfo: UiccCardInfo, channelInfo: EuiccChannelInfo): EuiccChannel? {
+        // No-op when unprivileged
+        return null
+    }
+
     private suspend fun tryOpenEuiccChannel(uiccInfo: UiccCardInfo): EuiccChannel? {
         lock.withLock {
             ensureSEService()
@@ -71,17 +78,7 @@ class EuiccChannelManager(private val context: Context) {
                 uiccInfo.isRemovable
             )
 
-            var euiccChannel: EuiccChannel? = null
+            var euiccChannel: EuiccChannel? = tryOpenEuiccChannelPrivileged(uiccInfo, channelInfo)
-
-            if (uiccInfo.isEuicc && !uiccInfo.isRemovable) {
-                Log.d(TAG, "Using TelephonyManager for slot ${uiccInfo.slotIndex}")
-                // TODO: On Tiramisu, we should also connect all available "ports" for MEP support
-                try {
-                    euiccChannel = TelephonyManagerChannel(channelInfo, tm)
-                } catch (e: IllegalArgumentException) {
-                    // Failed
-                }
-            }
 
             if (euiccChannel == null) {
                 try {
@@ -106,12 +103,15 @@ class EuiccChannelManager(private val context: Context) {
     }
 
     fun findEuiccChannelBySlotBlocking(slotId: Int): EuiccChannel? = runBlocking {
+        if (!checkPrivileges()) return@runBlocking null
         withContext(Dispatchers.IO) {
             findEuiccChannelBySlot(slotId)
         }
     }
 
     suspend fun enumerateEuiccChannels() {
+        if (!checkPrivileges()) return
+
         withContext(Dispatchers.IO) {
             ensureSEService()
 
@@ -127,6 +127,8 @@ class EuiccChannelManager(private val context: Context) {
         get() = channels.toList()
 
     fun invalidate() {
+        if (!checkPrivileges()) return
+
         for (channel in channels) {
             channel.close()
         }
@@ -136,18 +138,7 @@ class EuiccChannelManager(private val context: Context) {
         seService = null
     }
 
-    // Clean up channels left open in TelephonyManager
+    open fun notifyEuiccProfilesChanged(slotId: Int) {
-    // due to a (potentially) forced restart
+        // No-op for unprivileged
-    // This should be called every time the application is restarted
-    fun closeAllStaleChannels() {
-        for (card in tm.uiccCardsInfo) {
-            for (channel in 0 until 10) {
-                try {
-                    tm.iccCloseLogicalChannelBySlot(card.slotIndex, channel)
-                } catch (_: Exception) {
-                    // We do not care
-                }
-            }
-        }
     }
 }

app-common/src/main/java/im/angry/openeuicc/ui/EuiccChannelFragmentUtils.kt

@@ -2,8 +2,8 @@ package im.angry.openeuicc.ui
 
 import android.os.Bundle
 import androidx.fragment.app.Fragment
-import im.angry.openeuicc.core.EuiccChannel
 import im.angry.openeuicc.core.EuiccChannelManager
+import im.angry.openeuicc.core.EuiccChannel
 import im.angry.openeuicc.util.openEuiccApplication
 
 interface EuiccFragmentMarker

app-common/src/main/java/im/angry/openeuicc/ui/EuiccManagementFragment.kt

@@ -19,7 +19,7 @@ import androidx.recyclerview.widget.RecyclerView
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
 import com.google.android.material.floatingactionbutton.FloatingActionButton
 import net.typeblog.lpac_jni.LocalProfileInfo
-import im.angry.openeuicc.R
+import im.angry.openeuicc.common.R
 import im.angry.openeuicc.util.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -82,7 +82,7 @@ class EuiccManagementFragment : Fragment(), EuiccFragmentMarker, EuiccProfilesCh
 
         lifecycleScope.launch {
             val profiles = withContext(Dispatchers.IO) {
-                openEuiccApplication.subscriptionManager.tryRefreshCachedEuiccInfo(channel.cardId)
+                euiccChannelManager.notifyEuiccProfilesChanged(slotId)
                 channel.lpa.profiles
             }
 

app-common/src/main/java/im/angry/openeuicc/ui/MainActivity.kt

@@ -4,27 +4,25 @@ import android.os.Bundle
 import android.telephony.TelephonyManager
 import android.util.Log
 import android.view.Menu
-import android.view.MenuItem
 import android.view.View
 import android.widget.AdapterView
 import android.widget.ArrayAdapter
 import android.widget.Spinner
-import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import androidx.lifecycle.lifecycleScope
-import im.angry.openeuicc.R
+import im.angry.openeuicc.common.R
 import im.angry.openeuicc.core.EuiccChannelManager
 import im.angry.openeuicc.util.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
-class MainActivity : AppCompatActivity() {
+open class MainActivity : AppCompatActivity() {
     companion object {
         const val TAG = "MainActivity"
     }
 
-    private lateinit var manager: EuiccChannelManager
+    protected lateinit var manager: EuiccChannelManager
 
     private lateinit var spinnerAdapter: ArrayAdapter<String>
     private lateinit var spinner: Spinner
@@ -33,7 +31,7 @@ class MainActivity : AppCompatActivity() {
 
     private lateinit var noEuiccPlaceholder: View
 
-    private lateinit var tm: TelephonyManager
+    protected lateinit var tm: TelephonyManager
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -71,32 +69,19 @@ class MainActivity : AppCompatActivity() {
 
         }
 
-        if (tm.supportsDSDS) {
-            val dsds = menu.findItem(R.id.dsds)
-            dsds.isVisible = true
-            dsds.isChecked = tm.dsdsEnabled
-        }
-
         return true
     }
 
-    override fun onOptionsItemSelected(item: MenuItem): Boolean = when (item.itemId) {
-        R.id.dsds -> {
-            tm.dsdsEnabled = !item.isChecked
-            Toast.makeText(this, R.string.toast_dsds_switched, Toast.LENGTH_LONG).show()
-            finish()
-            true
-        }
-        else -> false
-    }
-
     private suspend fun init() {
         withContext(Dispatchers.IO) {
             manager.enumerateEuiccChannels()
             manager.knownChannels.forEach {
                 Log.d(TAG, it.name)
                 Log.d(TAG, it.lpa.eID)
-                openEuiccApplication.subscriptionManager.tryRefreshCachedEuiccInfo(it.cardId)
+                // Request the system to refresh the list of profiles every time we start
+                // Note that this is currently supposed to be no-op when unprivileged,
+                // but it could change in the future
+                manager.notifyEuiccProfilesChanged(it.slotId)
             }
         }
 

app-common/src/main/java/im/angry/openeuicc/ui/ProfileDeleteFragment.kt

@@ -6,7 +6,7 @@ import android.util.Log
 import androidx.appcompat.app.AlertDialog
 import androidx.fragment.app.DialogFragment
 import androidx.lifecycle.lifecycleScope
-import im.angry.openeuicc.R
+import im.angry.openeuicc.common.R
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext

app-common/src/main/java/im/angry/openeuicc/ui/ProfileDownloadFragment.kt

@@ -13,7 +13,7 @@ import androidx.lifecycle.lifecycleScope
 import com.google.android.material.textfield.TextInputLayout
 import com.journeyapps.barcodescanner.ScanContract
 import com.journeyapps.barcodescanner.ScanOptions
-import im.angry.openeuicc.R
+import im.angry.openeuicc.common.R
 import im.angry.openeuicc.util.setWidthPercent
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -132,6 +132,8 @@ class ProfileDownloadFragment : DialogFragment(), EuiccFragmentMarker, Toolbar.O
 
         profileDownloadServer.editText!!.isEnabled = false
         profileDownloadCode.editText!!.isEnabled = false
+        profileDownloadConfirmationCode.editText!!.isEnabled = false
+        profileDownloadIMEI.editText!!.isEnabled = false
 
         progress.isIndeterminate = true
         progress.visibility = View.VISIBLE

app-common/src/main/java/im/angry/openeuicc/ui/ProfileRenameFragment.kt

@@ -13,7 +13,7 @@ import androidx.appcompat.widget.Toolbar
 import androidx.fragment.app.DialogFragment
 import androidx.lifecycle.lifecycleScope
 import com.google.android.material.textfield.TextInputLayout
-import im.angry.openeuicc.R
+import im.angry.openeuicc.common.R
 import im.angry.openeuicc.util.setWidthPercent
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch

app-common/src/main/java/im/angry/openeuicc/util/TelephonyUtils.kt

@@ -0,0 +1,11 @@
+package im.angry.openeuicc.util
+
+import net.typeblog.lpac_jni.LocalProfileInfo
+
+val LocalProfileInfo.displayName: String
+    get() = nickName.ifEmpty { name }
+
+val List<LocalProfileInfo>.operational: List<LocalProfileInfo>
+    get() = filter {
+        it.profileClass == LocalProfileInfo.Clazz.Operational
+    }

app-common/src/main/res/menu/activity_main.xml

@@ -7,11 +7,4 @@
         app:actionViewClass="android.widget.Spinner"
         android:background="?android:attr/colorPrimary"
         app:showAsAction="always" />
-
-    <item
-        android:id="@+id/dsds"
-        android:title="@string/dsds"
-        android:checkable="true"
-        android:visible="false"
-        app:showAsAction="never" />
 </menu>

app-common/src/main/res/values/strings.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="no_euicc">No eUICC card on this device is accessible by this app.\nInsert a supported eUICC card, or try out the privileged OpenEUICC app instead.</string>
+
+    <string name="enabled">Enabled</string>
+    <string name="disabled">Disabled</string>
+    <string name="provider">Provider:</string>
+    <string name="iccid">ICCID:</string>
+
+    <string name="enable">Enable</string>
+    <string name="disable">Disable</string>
+    <string name="delete">Delete</string>
+    <string name="rename">Rename</string>
+
+    <string name="toast_profile_enabled">eSIM profile switched. Please wait for a while when the card is restarting.</string>
+    <string name="toast_profile_enable_failed">Cannot switch to new eSIM profile.</string>
+    <string name="toast_profile_name_too_long">Nickname cannot be longer than 64 characters</string>
+
+    <string name="profile_download">New eSIM</string>
+    <string name="profile_download_server">Server (RSP / SM-DP+)</string>
+    <string name="profile_download_code">Activation Code</string>
+    <string name="profile_download_confirmation_code">Confirmation Code (Optional)</string>
+    <string name="profile_download_imei">IMEI (Optional)</string>
+    <string name="profile_download_scan">Scan QR Code</string>
+    <string name="profile_download_ok">Download</string>
+    <string name="profile_download_failed">Failed to download eSIM. Check your activation / QR code.</string>
+
+    <string name="profile_rename_new_name">New nickname</string>
+
+    <string name="profile_delete_confirm">Are you sure you want to delete the profile %s? This operation is irreversible.</string>
+</resources>

app-common/src/main/res/values/themes.xml

@@ -11,9 +11,11 @@
         <item name="colorOnSecondary">@color/white</item>
         <item name="colorAccent">?attr/colorSecondary</item>
         <!-- Status bar color. -->
-        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <item name="android:statusBarColor">?attr/colorPrimary</item>
+        <item name="android:windowLightStatusBar">true</item>
         <!-- Customize your theme here. -->
         <item name="alertDialogTheme">@style/AlertDialogTheme</item>
+        <item name="android:navigationBarColor">?attr/colorSecondary</item>
     </style>
 
     <style name="Theme.OpenEUICC.Input.Cursor" parent="ThemeOverlay.MaterialComponents.TextInputEditText.OutlinedBox">

app-common/src/test/java/im/angry/openeuicc/common/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package im.angry.openeuicc.common
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}

app/build.gradle

@@ -3,33 +3,7 @@ plugins {
     id 'org.jetbrains.kotlin.android'
 }
 
-def getVersionCode = { ->
+apply from: '../helpers.gradle'
-    try {
-        def stdout = new ByteArrayOutputStream()
-        exec {
-            commandLine 'git', 'rev-list', '--first-parent', '--count', 'master'
-            standardOutput = stdout
-        }
-        return Integer.parseInt(stdout.toString().trim())
-    }
-    catch (ignored) {
-        return -1;
-    }
-}
-
-def getVersionName = { ->
-    try {
-        def stdout = new ByteArrayOutputStream()
-        exec {
-            commandLine 'git', 'describe', '--always', '--tags', '--dirty'
-            standardOutput = stdout
-        }
-        return stdout.toString().trim()
-    }
-    catch (ignored) {
-        return null;
-    }
-}
 
 // Signing config, mainly intended for debug builds
 def keystorePropertiesFile = rootProject.file("keystore.properties");
@@ -42,9 +16,9 @@ android {
     defaultConfig {
         applicationId "im.angry.openeuicc"
         minSdk 30
-        targetSdk 31
+        targetSdk 34
-        versionCode getVersionCode()
+        versionCode getGitVersionCode()
-        versionName getVersionName()
+        versionName getGitVersionName()
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -67,7 +41,7 @@ android {
             signingConfig signingConfigs.config
         }
     }
-    applicationVariants.all { variant ->
+    applicationVariants.configureEach { variant ->
         if (variant.name == "debug") {
             variant.outputs.each { o -> o.versionCodeOverride = System.currentTimeSeconds() }
         }
@@ -85,15 +59,9 @@ android {
 dependencies {
     compileOnly project(':libs:hidden-apis-stub')
     implementation project(':libs:hidden-apis-shim')
-    implementation project(":libs:lpac-jni")
+    implementation project(':libs:lpac-jni')
-    implementation 'androidx.core:core-ktx:1.12.0'
+    implementation project(":app-common")
     implementation 'androidx.appcompat:appcompat:1.6.1'
-    implementation 'com.google.android.material:material:1.10.0'
-    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
-    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.6.2'
-    implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
-    implementation "androidx.cardview:cardview:1.0.0"
-    implementation 'com.journeyapps:zxing-android-embedded:4.3.0'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'

app/src/main/AndroidManifest.xml

@@ -3,24 +3,25 @@
     xmlns:tools="http://schemas.android.com/tools"
     tools:ignore="ProtectedPermissions"
     package="im.angry.openeuicc">
+    <uses-feature
+        android:name="android.hardware.telephony"
+        android:required="true" />
 
     <uses-permission android:name="android.permission.MODIFY_PHONE_STATE" />
     <uses-permission android:name="android.permission.READ_PRIVILEGED_PHONE_STATE" />
     <uses-permission android:name="android.permission.WRITE_EMBEDDED_SUBSCRIPTIONS" />
-    <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.SECURE_ELEMENT_PRIVILEGED_OPERATION" />
 
     <application
-        android:name=".OpenEuiccApplication"
+        android:name=".PrivilegedOpenEuiccApplication"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.OpenEUICC"
+        android:theme="@style/Theme.OpenEUICC">
-        android:networkSecurityConfig="@xml/network_security_config">
         <activity
-            android:name=".ui.MainActivity"
+            android:name=".ui.PrivilegedMainActivity"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -48,11 +49,6 @@
                 <category android:name="android.service.euicc.category.EUICC_UI" />
             </intent-filter>
         </activity>
-
-        <activity
-            android:name="com.journeyapps.barcodescanner.CaptureActivity"
-            android:screenOrientation="fullSensor"
-            tools:replace="screenOrientation" />
     </application>
 
 </manifest>

app/src/main/java/im/angry/openeuicc/PrivilegedOpenEuiccApplication.kt

@@ -0,0 +1,15 @@
+package im.angry.openeuicc
+
+import im.angry.openeuicc.core.EuiccChannelManager
+import im.angry.openeuicc.core.PrivilegedEuiccChannelManager
+
+class PrivilegedOpenEuiccApplication: OpenEuiccApplication() {
+    override val euiccChannelManager: EuiccChannelManager by lazy {
+        PrivilegedEuiccChannelManager(this)
+    }
+
+    override fun onCreate() {
+        super.onCreate()
+        (euiccChannelManager as PrivilegedEuiccChannelManager).closeAllStaleChannels()
+    }
+}

app/src/main/java/im/angry/openeuicc/core/PrivilegedEuiccChannelManager.kt

@@ -0,0 +1,49 @@
+package im.angry.openeuicc.core
+
+import android.content.Context
+import android.telephony.UiccCardInfo
+import android.util.Log
+import im.angry.openeuicc.OpenEuiccApplication
+import im.angry.openeuicc.util.*
+import java.lang.Exception
+import java.lang.IllegalArgumentException
+
+class PrivilegedEuiccChannelManager(context: Context): EuiccChannelManager(context) {
+    override fun checkPrivileges() = true // TODO: Implement proper system app check
+
+    override fun tryOpenEuiccChannelPrivileged(uiccInfo: UiccCardInfo, channelInfo: EuiccChannelInfo): EuiccChannel? {
+        if (uiccInfo.isEuicc && !uiccInfo.isRemovable) {
+            Log.d(TAG, "Using TelephonyManager for slot ${uiccInfo.slotIndex}")
+            // TODO: On Tiramisu, we should also connect all available "ports" for MEP support
+            try {
+                return TelephonyManagerChannel(channelInfo, tm)
+            } catch (e: IllegalArgumentException) {
+                // Failed
+            }
+        }
+        return null
+    }
+
+    // Clean up channels left open in TelephonyManager
+    // due to a (potentially) forced restart
+    // This should be called every time the application is restarted
+    fun closeAllStaleChannels() {
+        for (card in tm.uiccCardsInfo) {
+            for (channel in 0 until 10) {
+                try {
+                    tm.iccCloseLogicalChannelBySlot(card.slotIndex, channel)
+                } catch (_: Exception) {
+                    // We do not care
+                }
+            }
+        }
+    }
+
+    override fun notifyEuiccProfilesChanged(slotId: Int) {
+        (context.applicationContext as OpenEuiccApplication).subscriptionManager.apply {
+            findEuiccChannelBySlotBlocking(slotId)?.let {
+                tryRefreshCachedEuiccInfo(it.cardId)
+            }
+        }
+    }
+}

app/src/main/java/im/angry/openeuicc/ui/LuiActivity.kt

@@ -6,7 +6,7 @@ import androidx.appcompat.app.AppCompatActivity
 class LuiActivity : AppCompatActivity() {
     override fun onStart() {
         super.onStart()
-        startActivity(Intent(this, MainActivity::class.java))
+        startActivity(Intent(this, PrivilegedMainActivity::class.java))
         finish()
     }
 }

app/src/main/java/im/angry/openeuicc/ui/PrivilegedMainActivity.kt

@@ -0,0 +1,32 @@
+package im.angry.openeuicc.ui
+
+import android.view.Menu
+import android.view.MenuItem
+import android.widget.Toast
+import im.angry.openeuicc.R
+import im.angry.openeuicc.util.*
+
+class PrivilegedMainActivity : MainActivity() {
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        super.onCreateOptionsMenu(menu)
+        menuInflater.inflate(R.menu.activity_main_privileged, menu)
+
+        if (tm.supportsDSDS) {
+            val dsds = menu.findItem(R.id.dsds)
+            dsds.isVisible = true
+            dsds.isChecked = tm.dsdsEnabled
+        }
+
+        return true
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean = when (item.itemId) {
+        R.id.dsds -> {
+            tm.dsdsEnabled = !item.isChecked
+            Toast.makeText(this, R.string.toast_dsds_switched, Toast.LENGTH_LONG).show()
+            finish()
+            true
+        }
+        else -> super.onOptionsItemSelected(item)
+    }
+}

app/src/main/java/im/angry/openeuicc/util/PrivilegedTelephonyUtils.kt

@@ -2,7 +2,6 @@ package im.angry.openeuicc.util
 
 import android.telephony.SubscriptionManager
 import android.telephony.TelephonyManager
-import net.typeblog.lpac_jni.LocalProfileInfo
 import java.lang.Exception
 
 val TelephonyManager.supportsDSDS: Boolean
@@ -23,11 +22,3 @@ fun SubscriptionManager.tryRefreshCachedEuiccInfo(cardId: Int) {
         }
     }
 }
-
-val LocalProfileInfo.displayName: String
-    get() = nickName.ifEmpty { name }
-
-val List<LocalProfileInfo>.operational: List<LocalProfileInfo>
-    get() = filter {
-        it.profileClass == LocalProfileInfo.Clazz.Operational
-    }

app/src/main/res/menu/activity_main_privileged.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/dsds"
+        android:title="@string/dsds"
+        android:checkable="true"
+        android:visible="false"
+        app:showAsAction="never" />
+</menu>

app/src/main/res/values/strings.xml

@@ -1,35 +1,8 @@
 <resources>
     <string name="app_name">OpenEUICC</string>
-
     <string name="no_euicc">No eUICC found on this device.\nOn some devices, you may need to enable dual SIM first in the menu of this app.</string>
 
     <string name="dsds">Dual SIM</string>
 
-    <string name="enabled">Enabled</string>
-    <string name="disabled">Disabled</string>
-    <string name="provider">Provider:</string>
-    <string name="iccid">ICCID:</string>
-
-    <string name="enable">Enable</string>
-    <string name="disable">Disable</string>
-    <string name="delete">Delete</string>
-    <string name="rename">Rename</string>
-
-    <string name="toast_profile_enabled">eSIM profile switched. Please wait for a while when the card is restarting.</string>
-    <string name="toast_profile_enable_failed">Cannot switch to new eSIM profile.</string>
-    <string name="toast_profile_name_too_long">Nickname cannot be longer than 64 characters</string>
     <string name="toast_dsds_switched">DSDS state switched. Please wait until the modem restarts.</string>
-
-    <string name="profile_download">New eSIM</string>
-    <string name="profile_download_server">Server (RSP / SM-DP+)</string>
-    <string name="profile_download_code">Activation Code</string>
-    <string name="profile_download_confirmation_code">Confirmation Code (Optional)</string>
-    <string name="profile_download_imei">IMEI (Optional)</string>
-    <string name="profile_download_scan">Scan QR Code</string>
-    <string name="profile_download_ok">Download</string>
-    <string name="profile_download_failed">Failed to download eSIM. Check your activation / QR code.</string>
-
-    <string name="profile_rename_new_name">New nickname</string>
-
-    <string name="profile_delete_confirm">Are you sure you want to delete the profile %s? This operation is irreversible.</string>
 </resources>

helpers.gradle

@@ -0,0 +1,27 @@
+ext.getGitVersionCode = { ->
+    try {
+        def stdout = new ByteArrayOutputStream()
+        exec {
+            commandLine 'git', 'rev-list', '--first-parent', '--count', 'master'
+            standardOutput = stdout
+        }
+        return Integer.parseInt(stdout.toString().trim())
+    }
+    catch (ignored) {
+        return -1;
+    }
+}
+
+ext.getGitVersionName = { ->
+    try {
+        def stdout = new ByteArrayOutputStream()
+        exec {
+            commandLine 'git', 'describe', '--always', '--tags', '--dirty'
+            standardOutput = stdout
+        }
+        return stdout.toString().trim()
+    }
+    catch (ignored) {
+        return null;
+    }
+}

settings.gradle

@@ -17,3 +17,4 @@ include ':app'
 include ':libs:hidden-apis-stub'
 include ':libs:hidden-apis-shim'
 include ':libs:lpac-jni'
+include ':app-common'