[9/n] MainActivity: format channel names in UI code instead

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

@@ -10,8 +10,8 @@ abstract class EuiccChannel(
     val logicalSlotId = port.logicalSlotIndex
     val portId = port.portIndex
     val cardId = port.card.cardId
-    val name = "SLOT $logicalSlotId"
     val removable = port.card.isRemovable
+    val isMEP = port.card.isMultipleEnabledProfilesSupported
 
     abstract val lpa: LocalProfileAssistant
     val valid: Boolean

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

@@ -161,7 +161,7 @@ open class EuiccChannelManager(protected val context: Context) {
         seService = null
     }
 
-    open fun notifyEuiccProfilesChanged(slotId: Int) {
+    open fun notifyEuiccProfilesChanged(logicalSlotId: Int) {
         // No-op for unprivileged
     }
 }

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

@@ -8,6 +8,7 @@ import android.view.LayoutInflater
 import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
+import android.widget.FrameLayout
 import android.widget.ImageButton
 import android.widget.PopupMenu
 import android.widget.TextView
@@ -26,7 +27,7 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import java.lang.Exception
 
-class EuiccManagementFragment : Fragment(), EuiccFragmentMarker, EuiccProfilesChangedListener {
+open class EuiccManagementFragment : Fragment(), EuiccFragmentMarker, EuiccProfilesChangedListener {
     companion object {
         const val TAG = "EuiccManagementFragment"
 
@@ -38,7 +39,7 @@ class EuiccManagementFragment : Fragment(), EuiccFragmentMarker, EuiccProfilesCh
     private lateinit var fab: FloatingActionButton
     private lateinit var profileList: RecyclerView
 
-    private val adapter = EuiccProfileAdapter(listOf())
+    private val adapter = EuiccProfileAdapter()
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -76,18 +77,21 @@ class EuiccManagementFragment : Fragment(), EuiccFragmentMarker, EuiccProfilesCh
         refresh()
     }
 
+    protected open suspend fun onCreateFooterViews(parent: ViewGroup): List<View> = listOf()
+
     @SuppressLint("NotifyDataSetChanged")
     private fun refresh() {
         swipeRefresh.isRefreshing = true
 
         lifecycleScope.launch {
             val profiles = withContext(Dispatchers.IO) {
-                euiccChannelManager.notifyEuiccProfilesChanged(slotId)
+                euiccChannelManager.notifyEuiccProfilesChanged(channel.logicalSlotId)
                 channel.lpa.profiles
             }
 
             withContext(Dispatchers.Main) {
                 adapter.profiles = profiles.operational
+                adapter.footerViews = onCreateFooterViews(profileList)
                 adapter.notifyDataSetChanged()
                 swipeRefresh.isRefreshing = false
             }
@@ -130,7 +134,30 @@ class EuiccManagementFragment : Fragment(), EuiccFragmentMarker, EuiccProfilesCh
             channel.lpa.disableProfile(iccid)
         }
 
-    inner class ViewHolder(private val root: View) : RecyclerView.ViewHolder(root) {
+    sealed class ViewHolder(root: View) : RecyclerView.ViewHolder(root) {
+        enum class Type(val value: Int) {
+            PROFILE(0),
+            FOOTER(1);
+
+            companion object {
+                fun fromInt(value: Int) =
+                    Type.values().first { it.value == value }
+            }
+        }
+    }
+
+    inner class FooterViewHolder: ViewHolder(FrameLayout(requireContext())) {
+        fun attach(view: View) {
+            view.parent?.let { (it as ViewGroup).removeView(view) }
+            (itemView as FrameLayout).addView(view)
+        }
+
+        fun detach() {
+            (itemView as FrameLayout).removeAllViews()
+        }
+    }
+
+    inner class ProfileViewHolder(private val root: View) : ViewHolder(root) {
         private val iccid: TextView = root.findViewById(R.id.iccid)
         private val name: TextView = root.findViewById(R.id.name)
         private val state: TextView = root.findViewById(R.id.state)
@@ -208,16 +235,49 @@ class EuiccManagementFragment : Fragment(), EuiccFragmentMarker, EuiccProfilesCh
             }
     }
 
-    inner class EuiccProfileAdapter(var profiles: List<LocalProfileInfo>) : RecyclerView.Adapter<ViewHolder>() {
-        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
-            val view = LayoutInflater.from(parent.context).inflate(R.layout.euicc_profile, parent, false)
-            return ViewHolder(view)
-        }
+    inner class EuiccProfileAdapter : RecyclerView.Adapter<ViewHolder>() {
+        var profiles: List<LocalProfileInfo> = listOf()
+        var footerViews: List<View> = listOf()
+
+        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder =
+            when (ViewHolder.Type.fromInt(viewType)) {
+                ViewHolder.Type.PROFILE -> {
+                    val view = LayoutInflater.from(parent.context).inflate(R.layout.euicc_profile, parent, false)
+                    ProfileViewHolder(view)
+                }
+                ViewHolder.Type.FOOTER -> {
+                    FooterViewHolder()
+                }
+            }
+
+        override fun getItemViewType(position: Int): Int =
+            when {
+                position < profiles.size -> {
+                    ViewHolder.Type.PROFILE.value
+                }
+                position >= profiles.size && position < profiles.size + footerViews.size -> {
+                    ViewHolder.Type.FOOTER.value
+                }
+                else -> -1
+            }
 
         override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-            holder.setProfile(profiles[position])
+            when (holder) {
+                is ProfileViewHolder -> {
+                    holder.setProfile(profiles[position])
+                }
+                is FooterViewHolder -> {
+                    holder.attach(footerViews[position - profiles.size])
+                }
+            }
         }
 
-        override fun getItemCount(): Int = profiles.size
+        override fun onViewRecycled(holder: ViewHolder) {
+            if (holder is FooterViewHolder) {
+                holder.detach()
+            }
+        }
+
+        override fun getItemCount(): Int = profiles.size + footerViews.size
     }
 }

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

@@ -11,6 +11,7 @@ import android.widget.Spinner
 import androidx.appcompat.app.AppCompatActivity
 import androidx.lifecycle.lifecycleScope
 import im.angry.openeuicc.common.R
+import im.angry.openeuicc.core.EuiccChannel
 import im.angry.openeuicc.core.EuiccChannelManager
 import im.angry.openeuicc.util.*
 import kotlinx.coroutines.Dispatchers
@@ -72,23 +73,26 @@ open class MainActivity : AppCompatActivity() {
         return true
     }
 
+    protected open fun createEuiccManagementFragment(channel: EuiccChannel): EuiccManagementFragment =
+        EuiccManagementFragment.newInstance(channel.slotId, channel.portId)
+
     private suspend fun init() {
         withContext(Dispatchers.IO) {
             manager.enumerateEuiccChannels()
             manager.knownChannels.forEach {
-                Log.d(TAG, it.name)
+                Log.d(TAG, "slot ${it.slotId} port ${it.portId}")
                 Log.d(TAG, it.lpa.eID)
                 // 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)
+                manager.notifyEuiccProfilesChanged(it.logicalSlotId)
             }
         }
 
         withContext(Dispatchers.Main) {
-            manager.knownChannels.forEach { channel ->
-                spinnerAdapter.add(channel.name)
-                fragments.add(EuiccManagementFragment.newInstance(channel.slotId, channel.portId))
+            manager.knownChannels.sortedBy { it.logicalSlotId }.forEach { channel ->
+                spinnerAdapter.add(getString(R.string.channel_name_format, channel.logicalSlotId))
+                fragments.add(createEuiccManagementFragment(channel))
             }
 
             if (fragments.isNotEmpty()) {

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

@@ -3,6 +3,8 @@
     <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="unknown">Unknown</string>
 
+    <string name="channel_name_format">Logical Slot %d</string>
+
     <string name="enabled">Enabled</string>
     <string name="disabled">Disabled</string>
     <string name="provider">Provider:</string>

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

@@ -45,9 +45,9 @@ class PrivilegedEuiccChannelManager(context: Context): EuiccChannelManager(conte
         }
     }
 
-    override fun notifyEuiccProfilesChanged(slotId: Int) {
+    override fun notifyEuiccProfilesChanged(logicalSlotId: Int) {
         (context.applicationContext as OpenEuiccApplication).subscriptionManager.apply {
-            findEuiccChannelBySlotBlocking(slotId)?.let {
+            findEuiccChannelBySlotBlocking(logicalSlotId)?.let {
                 tryRefreshCachedEuiccInfo(it.cardId)
             }
         }

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

@@ -0,0 +1,24 @@
+package im.angry.openeuicc.ui
+
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import im.angry.openeuicc.R
+
+class PrivilegedEuiccManagementFragment: EuiccManagementFragment() {
+    companion object {
+        fun newInstance(slotId: Int, portId: Int): EuiccManagementFragment =
+            newInstanceEuicc(PrivilegedEuiccManagementFragment::class.java, slotId, portId)
+    }
+
+    override suspend fun onCreateFooterViews(parent: ViewGroup): List<View> =
+        if (channel.isMEP) {
+            val view = layoutInflater.inflate(R.layout.footer_mep, parent, false)
+            view.findViewById<Button>(R.id.footer_mep_slot_mapping).setOnClickListener {
+                (requireActivity() as PrivilegedMainActivity).showSlotMappingFragment()
+            }
+            listOf(view)
+        } else {
+            listOf()
+        }
+}

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

@@ -4,6 +4,7 @@ import android.view.Menu
 import android.view.MenuItem
 import android.widget.Toast
 import im.angry.openeuicc.R
+import im.angry.openeuicc.core.EuiccChannel
 import im.angry.openeuicc.util.*
 
 class PrivilegedMainActivity : MainActivity() {
@@ -20,6 +21,9 @@ class PrivilegedMainActivity : MainActivity() {
         return true
     }
 
+    internal fun showSlotMappingFragment() =
+        SlotMappingFragment().show(supportFragmentManager, SlotMappingFragment.TAG)
+
     override fun onOptionsItemSelected(item: MenuItem): Boolean = when (item.itemId) {
         R.id.dsds -> {
             tm.dsdsEnabled = !item.isChecked
@@ -28,9 +32,12 @@ class PrivilegedMainActivity : MainActivity() {
             true
         }
         R.id.slot_mapping -> {
-            SlotMappingFragment().show(supportFragmentManager, SlotMappingFragment.TAG)
+            showSlotMappingFragment()
             true
         }
         else -> super.onOptionsItemSelected(item)
     }
+
+    override fun createEuiccManagementFragment(channel: EuiccChannel): EuiccManagementFragment =
+        PrivilegedEuiccManagementFragment.newInstance(channel.slotId, channel.portId)
 }

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

@@ -111,11 +111,11 @@ class SlotMappingFragment: DialogFragment(), OnMenuItemClickListener {
     }
 
     private suspend fun buildHelpText() = withContext(Dispatchers.IO) {
-        var nLogicalSlots = adapter.mappings.size
+        val nLogicalSlots = adapter.mappings.size
 
         val cards = openEuiccApplication.telephonyManager.uiccCardsInfoCompat
 
-        var nPhysicalSlots = cards.size
+        val nPhysicalSlots = cards.size
         var idxMepCard = -1
         var nMepPorts = 0
 

app/src/main/res/layout/footer_mep.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/footer_mep_text"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="40dp"
+        android:layout_marginEnd="40dp"
+        android:gravity="center"
+        android:text="@string/footer_mep"
+        android:textStyle="italic"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toTopOf="@id/footer_mep_slot_mapping"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+    <Button
+        android:id="@+id/footer_mep_slot_mapping"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/slot_mapping"
+        android:textColor="?attr/colorAccent"
+        style="?android:attr/borderlessButtonStyle"
+        app:layout_constraintTop_toBottomOf="@id/footer_mep_text"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -6,12 +6,14 @@
 
     <string name="toast_dsds_switched">DSDS state switched. Please wait until the modem restarts.</string>
 
+    <string name="footer_mep">Multiple Enabled Profiles (MEP) is supported by this slot. To enable or disable this feature, use the \"Slot Mapping\" tool.</string>
+
     <string name="slot_mapping">Slot Mapping</string>
     <string name="slot_mapping_logical_slot">Logical slot %d:</string>
     <string name="slot_mapping_port">Slot %d Port %d</string>
-    <string name="slot_mapping_help">Your phone has %d logical and %d physical SIM slots.%s\n\nSelect which physical slot and/or "port" you want each logical slot to correspond to. Note that not all mapping modes may be supported by hardware.</string>
-    <string name="slot_mapping_help_mep">\n\nPhysical slot %d supports Multiple Enabled Profiles (MEP). To use this feature, associate its %d virtual "ports" to different logical slots shown above.</string>
-    <string name="slot_mapping_help_dsds">\nDual SIM mode is supported but disabled.</string>
+    <string name="slot_mapping_help">Your phone has %d logical and %d physical SIM slots.%s\n\nSelect which physical slot and/or \"port\" you want each logical slot to correspond to. Note that not all mapping modes may be supported by hardware.</string>
+    <string name="slot_mapping_help_mep">\n\nPhysical slot %d supports Multiple Enabled Profiles (MEP). To use this feature, assign its %d virtual \"ports\" to different logical slots shown above.\n\nWith MEP enabled, the \"ports\" will behave like separate eSIM slots in OpenEUICC, except with a shared profile list.</string>
+    <string name="slot_mapping_help_dsds">\nDual SIM mode is supported but disabled. If your device comes with an internal eSIM chip, it might not be enabled by default. Change mapping above or enable dual SIM to access your eSIM.</string>
     <string name="slot_mapping_completed">Your new slot mapping has been set. Please wait until modem refreshes the slots.</string>
     <string name="slot_mapping_failure">The specified mapping might be invalid or unsupported by hardware.</string>
 </resources>