wip

2024-04-15 18:19:49 -07:00
parent 03b88c5b4b
commit b0e194898e
17 changed files with 632 additions and 34 deletions
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -82,13 +82,14 @@ dependencies {
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.1"
    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.2"
    implementation "org.jetbrains.kotlinx:kotlinx-datetime:0.3.2"
-    
+
+    implementation "androidx.core:core-ktx:1.12.0"
    implementation "androidx.appcompat:appcompat:1.4.1"
    implementation "androidx.activity:activity-ktx:1.4.0"
    implementation "androidx.fragment:fragment-ktx:1.4.1"
    implementation "androidx.preference:preference-ktx:1.2.0"
    implementation "androidx.recyclerview:recyclerview:1.2.1"
-    implementation "androidx.constraintlayout:constraintlayout:2.1.3"
+    implementation "androidx.constraintlayout:constraintlayout:2.1.4"
    implementation "androidx.gridlayout:gridlayout:1.0.0"
    implementation "androidx.biometric:biometric:1.1.0"
    implementation "androidx.work:work-runtime-ktx:2.7.1"
@@ -116,6 +117,7 @@ dependencies {

    //noinspection GradleDependency
    implementation "com.squareup.okhttp3:okhttp:$okhttp_version"
+    implementation "io.ktor:ktor-network:2.3.10"

    implementation "com.tbuonomo.andrui:viewpagerdotsindicator:4.1.2"

--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -8,10 +8,10 @@
    <uses-permission android:name="android.permission.USE_BIOMETRIC" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="23"/>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="23"/>
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.VIBRATE"/>
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SPECIAL_USE"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC"/>
    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
    <uses-permission android:name="android.permission.NEARBY_WIFI_DEVICES" android:usesPermissionFlags="neverForLocation"
        tools:targetApi="s" />
@@ -54,7 +54,15 @@

        <service android:name=".services.DownloadService"
            android:exported="false"
-            android:foregroundServiceType="specialUse" />
+            android:foregroundServiceType="dataSync" />
+
+        <service android:name=".services.TransferClientService"
+            android:exported="false"
+            android:foregroundServiceType="dataSync" />
+
+        <service android:name=".services.TransferServerService"
+            android:exported="false"
+            android:foregroundServiceType="dataSync" />

        <receiver
            android:name=".receiver.UpdateBroadcastReceiver"
--- a/app/src/main/java/xyz/quaver/pupil/Pupil.kt
+++ b/app/src/main/java/xyz/quaver/pupil/Pupil.kt
@@ -236,6 +236,13 @@ class Pupil : Application() {
                enableVibration(false)
                lockscreenVisibility = Notification.VISIBILITY_SECRET
            })
+
+            manager.createNotificationChannel(NotificationChannel("transfer", getString(R.string.channel_transfer), NotificationManager.IMPORTANCE_LOW).apply {
+                description = getString(R.string.channel_transfer_description)
+                enableLights(false)
+                enableVibration(false)
+                lockscreenVisibility = Notification.VISIBILITY_SECRET
+            })
        }

        AppCompatDelegate.setDefaultNightMode(when (Preferences.get<Boolean>("dark_mode")) {
--- a/app/src/main/java/xyz/quaver/pupil/services/TransferClientService.kt
+++ b/app/src/main/java/xyz/quaver/pupil/services/TransferClientService.kt
@@ -0,0 +1,97 @@
+package xyz.quaver.pupil.services
+
+import android.app.Service
+import android.content.Intent
+import android.content.pm.ServiceInfo
+import android.os.Build
+import android.os.IBinder
+import android.util.Log
+import androidx.core.app.NotificationCompat
+import androidx.core.app.ServiceCompat
+import io.ktor.network.selector.SelectorManager
+import io.ktor.network.sockets.aSocket
+import io.ktor.network.sockets.openReadChannel
+import io.ktor.network.sockets.openWriteChannel
+import io.ktor.utils.io.writeStringUtf8
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.channels.trySendBlocking
+import kotlinx.coroutines.launch
+import xyz.quaver.pupil.R
+
+class TransferClientService : Service() {
+    private val selectorManager = SelectorManager(Dispatchers.IO)
+    private val channel = Channel<String>()
+    private var job: Job? = null
+
+    private fun startForeground() = runCatching {
+        val notification = NotificationCompat.Builder(this, "transfer")
+            .setContentTitle("Pupil")
+            .setContentText("Transfer server is running")
+            .setSmallIcon(R.drawable.ic_notification)
+            .build()
+
+        ServiceCompat.startForeground(
+            this,
+            1,
+            notification,
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC
+            } else 0
+        )
+    }
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        val address = intent?.getStringExtra("address") ?: run {
+            stopSelf(startId)
+            return START_STICKY
+        }
+
+        startForeground()
+
+        Log.d("PUPILD", "Starting service with address $address")
+
+        job?.cancel()
+        job = CoroutineScope(Dispatchers.IO).launch {
+            Log.d("PUPILD", "Connecting to $address")
+
+            val socket = aSocket(selectorManager).tcp().connect(address, 12221)
+
+            Log.d("PUPILD", "Connected to $address")
+
+            val readChannel = socket.openReadChannel()
+            val writeChannel = socket.openWriteChannel(autoFlush = true)
+
+            runCatching {
+                while (true) {
+                    val message = channel.receive()
+                    Log.d("PUPILD", "Sending message $message!")
+                    writeChannel.writeStringUtf8(message)
+                    Log.d("PUPILD", readChannel.readUTF8Line(4).toString())
+                }
+            }.onFailure {
+                socket.close()
+                stopSelf(startId)
+            }
+        }
+
+        return START_STICKY
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        job?.cancel()
+    }
+
+    inner class Binder: android.os.Binder() {
+        fun sendMessage(message: String) {
+            Log.d("PUPILD", "Sending message $message")
+            channel.trySendBlocking(message + '\n')
+        }
+    }
+
+    private val binder = Binder()
+
+    override fun onBind(intent: Intent?): IBinder = binder
+}
--- a/app/src/main/java/xyz/quaver/pupil/services/TransferServerService.kt
+++ b/app/src/main/java/xyz/quaver/pupil/services/TransferServerService.kt
@@ -0,0 +1,102 @@
+package xyz.quaver.pupil.services
+
+import android.app.Service
+import android.content.Intent
+import android.content.pm.ServiceInfo
+import android.os.Build
+import android.os.IBinder
+import android.util.Log
+import androidx.core.app.NotificationCompat
+import androidx.core.app.ServiceCompat
+import io.ktor.network.selector.SelectorManager
+import io.ktor.network.sockets.ServerSocket
+import io.ktor.network.sockets.Socket
+import io.ktor.network.sockets.aSocket
+import io.ktor.network.sockets.openReadChannel
+import io.ktor.network.sockets.openWriteChannel
+import io.ktor.utils.io.writeStringUtf8
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import xyz.quaver.pupil.R
+
+class TransferServerService : Service() {
+    private val selectorManager = SelectorManager(Dispatchers.IO)
+    private var serverSocket: ServerSocket? = null
+    private val job = Job()
+
+    private fun startForeground() = runCatching {
+        val notification = NotificationCompat.Builder(this, "transfer")
+            .setContentTitle("Pupil")
+            .setContentText("Transfer server is running")
+            .setSmallIcon(R.drawable.ic_notification)
+            .build()
+
+        ServiceCompat.startForeground(
+            this,
+            1,
+            notification,
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC
+            } else 0
+        )
+    }
+
+    private suspend fun handleConnection(socket: Socket) {
+        val readChannel = socket.openReadChannel()
+        val writeChannel = socket.openWriteChannel(autoFlush = true)
+
+        runCatching {
+            while (true) {
+                if (readChannel.readUTF8Line(8) == "ping") {
+                    writeChannel.writeStringUtf8("pong\n")
+                }
+            }
+        }.onFailure {
+            socket.close()
+        }
+    }
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        val address = intent?.getStringExtra("address") ?: run {
+            stopSelf(startId)
+            return START_STICKY
+        }
+
+        if (serverSocket != null) {
+            return START_STICKY
+        }
+
+        startForeground()
+
+        val serverSocket = aSocket(selectorManager).tcp().bind(address, 12221).also {
+            this@TransferServerService.serverSocket = it
+        }
+
+        CoroutineScope(Dispatchers.IO + job).launch {
+            while (true) {
+                Log.d("PUPILD", "Waiting for connection")
+                val socket = serverSocket.accept()
+                Log.d("PUPILD", "Accepted connection from ${socket.remoteAddress}")
+                launch { handleConnection(socket) }
+            }
+        }
+
+        return START_STICKY
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        job.cancel()
+        serverSocket?.close()
+    }
+
+    inner class Binder: android.os.Binder() {
+        fun getService() = this@TransferServerService
+    }
+
+    private val binder = Binder()
+
+    override fun onBind(intent: Intent?): IBinder = binder
+}
--- a/app/src/main/java/xyz/quaver/pupil/ui/TransferActivity.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/TransferActivity.kt
@@ -3,7 +3,10 @@ package xyz.quaver.pupil.ui
 import android.Manifest
 import android.annotation.SuppressLint
 import android.content.BroadcastReceiver
+import android.content.ComponentName
+import android.content.Intent
 import android.content.IntentFilter
+import android.content.ServiceConnection
 import android.content.pm.ActivityInfo
 import android.content.pm.PackageManager
 import android.net.wifi.WpsInfo
@@ -15,11 +18,13 @@ import android.net.wifi.p2p.WifiP2pManager
 import android.os.Build.VERSION
 import android.os.Build.VERSION_CODES
 import android.os.Bundle
+import android.os.IBinder
 import android.util.Log
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
 import androidx.fragment.app.commit
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LiveData
@@ -27,13 +32,23 @@ import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.flowWithLifecycle
 import androidx.lifecycle.lifecycleScope
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.channels.consumeEach
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.cancellable
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.flow.filterNotNull
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.launch
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.receiver.WifiDirectBroadcastReceiver
+import xyz.quaver.pupil.services.TransferClientService
+import xyz.quaver.pupil.services.TransferServerService
+import xyz.quaver.pupil.ui.fragment.TransferConnectedFragment
 import xyz.quaver.pupil.ui.fragment.TransferDirectionFragment
 import xyz.quaver.pupil.ui.fragment.TransferPermissionFragment
+import xyz.quaver.pupil.ui.fragment.TransferSelectDataFragment
 import xyz.quaver.pupil.ui.fragment.TransferTargetFragment
 import xyz.quaver.pupil.ui.fragment.TransferWaitForConnectionFragment
 import kotlin.coroutines.resume
@@ -66,6 +81,18 @@ class TransferActivity : AppCompatActivity(R.layout.transfer_activity) {
        }
    }

+    private var serviceBinder: TransferClientService.Binder? = null
+
+    private val serviceConnection = object : ServiceConnection {
+        override fun onServiceConnected(name: ComponentName?, service: IBinder?) {
+            serviceBinder = service as TransferClientService.Binder
+        }
+
+        override fun onServiceDisconnected(name: ComponentName?) {
+            serviceBinder = null
+        }
+    }
+
    private fun checkPermission(force: Boolean = false): Boolean {
        val permissionRequired = if (VERSION.SDK_INT < VERSION_CODES.TIRAMISU) {
            Manifest.permission.ACCESS_FINE_LOCATION
@@ -110,40 +137,25 @@ class TransferActivity : AppCompatActivity(R.layout.transfer_activity) {
            }

            manager.connect(channel, config, object: WifiP2pManager.ActionListener {
-                override fun onSuccess() {
-                    Log.d("PUPILD", "Connection successful")
-                }
+                override fun onSuccess() { }

                override fun onFailure(reason: Int) {
-                    Log.d("PUPILD", "Connection failed: $reason")
-                    viewModel.setPeers(null)
+                    viewModel.connect(null)
                }
            })
        }
-
-        viewModel.connectionInfo.observe(this) { info ->
-            if (info == null) { return@observe }
-
-            if (info.groupFormed && info.isGroupOwner) {
-                // Do something
-                Log.d("PUPILD", "Group formed and is group owner")
-                Log.d("PUPILD", "Group owner IP: ${info.groupOwnerAddress.hostAddress}")
-            } else if (info.groupFormed) {
-                // Do something
-                Log.d("PUPILD", "Group formed")
-                Log.d("PUPILD", "Group owner IP: ${info.groupOwnerAddress.hostAddress}")
-                Log.d("PUPILD", "Local IP: ${info.groupOwnerAddress.hostAddress}")
-                Log.d("PUPILD", "Is group owner: ${info.isGroupOwner}")
-            }
-        }
-
        lifecycleScope.launch {
-            viewModel.step.flowWithLifecycle(lifecycle, Lifecycle.State.STARTED).collect { step ->
+            viewModel.messageQueue.consumeEach {
+                serviceBinder?.sendMessage(it)
+            }
+
+            viewModel.step.flowWithLifecycle(lifecycle, Lifecycle.State.STARTED).cancellable().collect step@{ step ->
+                Log.d("PUPILD", "Step: $step")
                when (step) {
                    TransferStep.TARGET,
                    TransferStep.TARGET_FORCE -> {
                        if (!checkPermission(step == TransferStep.TARGET_FORCE)) {
-                            return@collect
+                            return@step
                        }

                        manager.discoverPeers(channel, object: WifiP2pManager.ActionListener {
@@ -156,6 +168,17 @@ class TransferActivity : AppCompatActivity(R.layout.transfer_activity) {
                        supportFragmentManager.commit {
                            replace(R.id.fragment_container_view, TransferTargetFragment())
                        }
+
+                        val hostAddress = viewModel.connectionInfo.filterNotNull().first {
+                            it.groupFormed
+                        }.groupOwnerAddress.hostAddress
+
+                        val intent = Intent(this@TransferActivity, TransferClientService::class.java).also {
+                            it.putExtra("address", hostAddress)
+                        }
+                        bindService(intent, serviceConnection, BIND_AUTO_CREATE)
+
+                        viewModel.setStep(TransferStep.SELECT_DATA)
                    }
                    TransferStep.DIRECTION -> {
                        supportFragmentManager.commit {
@@ -168,7 +191,8 @@ class TransferActivity : AppCompatActivity(R.layout.transfer_activity) {
                        }
                    }
                    TransferStep.WAIT_FOR_CONNECTION -> {
-                        if (!checkPermission()) { return@collect }
+                        Log.d("PUPILD", "wait for connection")
+                        if (!checkPermission()) { return@step }

                        runCatching {
                            suspendCoroutine { continuation ->
@@ -206,6 +230,21 @@ class TransferActivity : AppCompatActivity(R.layout.transfer_activity) {
                                    }
                                })
                            }
+
+                            supportFragmentManager.commit {
+                                replace(R.id.fragment_container_view, TransferWaitForConnectionFragment())
+                            }
+
+                            val address = viewModel.connectionInfo.filterNotNull().first {
+                                it.groupFormed && it.isGroupOwner
+                            }.groupOwnerAddress.hostAddress
+
+                            val intent = Intent(this@TransferActivity, TransferServerService::class.java).also {
+                                it.putExtra("address", address)
+                            }
+                            ContextCompat.startForegroundService(this@TransferActivity, intent)
+
+                            viewModel.setStep(TransferStep.CONNECTED)
                        }.onFailure {
                            Log.e("PUPILD", "Failed to create group", it)
                        }
@@ -214,6 +253,16 @@ class TransferActivity : AppCompatActivity(R.layout.transfer_activity) {
                            replace(R.id.fragment_container_view, TransferWaitForConnectionFragment())
                        }
                    }
+                    TransferStep.CONNECTED -> {
+                        supportFragmentManager.commit {
+                            replace(R.id.fragment_container_view, TransferConnectedFragment())
+                        }
+                    }
+                    TransferStep.SELECT_DATA -> {
+                        supportFragmentManager.commit {
+                            replace(R.id.fragment_container_view, TransferSelectDataFragment())
+                        }
+                    }
                }
            }
        }
@@ -236,7 +285,7 @@ class TransferActivity : AppCompatActivity(R.layout.transfer_activity) {
 }

 enum class TransferStep {
-    TARGET, TARGET_FORCE, DIRECTION, PERMISSION, WAIT_FOR_CONNECTION
+    TARGET, TARGET_FORCE, DIRECTION, PERMISSION, WAIT_FOR_CONNECTION, CONNECTED, SELECT_DATA
 }

 enum class ErrorType {
@@ -258,13 +307,16 @@ class TransferViewModel : ViewModel() {
    private val _peers: MutableLiveData<WifiP2pDeviceList?> = MutableLiveData(null)
    val peers: LiveData<WifiP2pDeviceList?> = _peers

-    private val _connectionInfo: MutableLiveData<WifiP2pInfo?> = MutableLiveData(null)
-    val connectionInfo: LiveData<WifiP2pInfo?> = _connectionInfo
+    private val _connectionInfo: MutableStateFlow<WifiP2pInfo?> = MutableStateFlow(null)
+    val connectionInfo: StateFlow<WifiP2pInfo?> = _connectionInfo

    private val _peerToConnect: MutableLiveData<WifiP2pDevice?> = MutableLiveData(null)
    val peerToConnect: LiveData<WifiP2pDevice?> = _peerToConnect

+    val messageQueue: Channel<String> = Channel()
+
    fun setStep(step: TransferStep) {
+        Log.d("PUPILD", "Set step: $step")
        _step.value = step
    }

@@ -288,7 +340,11 @@ class TransferViewModel : ViewModel() {
        _error.value = error
    }

-    fun connect(device: WifiP2pDevice) {
+    fun connect(device: WifiP2pDevice?) {
        _peerToConnect.value = device
    }
+
+    fun ping() {
+        messageQueue.trySend("ping")
+    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/fragment/TransferConnectedFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/fragment/TransferConnectedFragment.kt
@@ -0,0 +1,10 @@
+package xyz.quaver.pupil.ui.fragment
+
+import androidx.fragment.app.Fragment
+import xyz.quaver.pupil.R
+
+class TransferConnectedFragment: Fragment(R.layout.transfer_connected_fragment) {
+
+
+
+}
--- a/app/src/main/java/xyz/quaver/pupil/ui/fragment/TransferSelectDataFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/fragment/TransferSelectDataFragment.kt
@@ -0,0 +1,37 @@
+package xyz.quaver.pupil.ui.fragment
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import xyz.quaver.pupil.databinding.TransferSelectDataFragmentBinding
+import xyz.quaver.pupil.ui.TransferViewModel
+
+class TransferSelectDataFragment: Fragment() {
+
+    private var _binding: TransferSelectDataFragmentBinding? = null
+    private val binding get() = _binding!!
+
+    private val viewModel: TransferViewModel by activityViewModels()
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        _binding = TransferSelectDataFragmentBinding.inflate(inflater, container, false)
+
+        binding.checkAll.setOnCheckedChangeListener {  _, isChecked ->
+            viewModel.ping()
+        }
+
+        return binding.root
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+}
--- a/app/src/main/res/drawable/check.xml
+++ b/app/src/main/res/drawable/check.xml
@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M9,12.75 L11.25,15 15,9.75M21,12a9,9 0,1 1,-18 0,9 9,0 0,1 18,0Z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="1.5"
+      android:fillColor="#00000000"
+      android:strokeColor="@color/colorPrimaryDark"
+      android:strokeLineCap="round"/>
+</vector>
--- a/app/src/main/res/drawable/download.xml
+++ b/app/src/main/res/drawable/download.xml
@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M3,16.5v2.25A2.25,2.25 0,0 0,5.25 21h13.5A2.25,2.25 0,0 0,21 18.75V16.5M16.5,12 L12,16.5m0,0L7.5,12m4.5,4.5V3"
+      android:strokeLineJoin="round"
+      android:strokeWidth="1.5"
+      android:fillColor="#00000000"
+      android:strokeColor="@color/material_blue_700"
+      android:strokeLineCap="round"/>
+</vector>
--- a/app/src/main/res/drawable/heart.xml
+++ b/app/src/main/res/drawable/heart.xml
@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M21,8.25c0,-2.485 -2.099,-4.5 -4.688,-4.5 -1.935,0 -3.597,1.126 -4.312,2.733 -0.715,-1.607 -2.377,-2.733 -4.313,-2.733C5.1,3.75 3,5.765 3,8.25c0,7.22 9,12 9,12s9,-4.78 9,-12Z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="1.5"
+      android:fillColor="#00000000"
+      android:strokeColor="@color/material_pink_600"
+      android:strokeLineCap="round"/>
+</vector>
--- a/app/src/main/res/drawable/history_rounded.xml
+++ b/app/src/main/res/drawable/history_rounded.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="48dp"
+    android:height="48dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+  <path
+      android:fillColor="@color/material_orange_500"
+      android:pathData="M477,840q-142,0 -243.5,-95.5T121,509q-1,-12 7.5,-21t21.5,-9q12,0 20.5,8.5T181,509q11,115 95,193t201,78q127,0 215,-89t88,-216q0,-124 -89,-209.5T477,180q-68,0 -127.5,31T246,293h75q13,0 21.5,8.5T351,323q0,13 -8.5,21.5T321,353L172,353q-13,0 -21.5,-8.5T142,323v-148q0,-13 8.5,-21.5T172,145q13,0 21.5,8.5T202,175v76q52,-61 123.5,-96T477,120q75,0 141,28t115.5,76.5Q783,273 811.5,338T840,478q0,75 -28.5,141t-78,115Q684,783 618,811.5T477,840ZM511,466 L626,579q9,9 9,21.5t-9,21.5q-9,9 -21,9t-21,-9L460,500q-5,-5 -7,-10.5t-2,-11.5v-171q0,-13 8.5,-21.5T481,277q13,0 21.5,8.5T511,307v159Z"/>
+</vector>
--- a/app/src/main/res/layout/transfer_connected_fragment.xml
+++ b/app/src/main/res/layout/transfer_connected_fragment.xml
@@ -0,0 +1,28 @@
+<?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">
+
+    <androidx.appcompat.widget.AppCompatImageView
+        android:id="@+id/icon"
+        android:layout_width="48dp"
+        android:layout_height="48dp"
+        android:layout_marginTop="48dp"
+        app:srcCompat="@drawable/check"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent" />
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Device connected"
+        android:textAlignment="center"
+        android:textSize="28sp"
+        android:textStyle="bold"
+        app:layout_constraintTop_toBottomOf="@id/icon" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/transfer_select_data_fragment.xml
+++ b/app/src/main/res/layout/transfer_select_data_fragment.xml
@@ -0,0 +1,196 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <androidx.appcompat.widget.AppCompatImageView
+        android:id="@+id/icon"
+        android:layout_width="48dp"
+        android:layout_height="48dp"
+        android:layout_marginTop="48dp"
+        app:srcCompat="@drawable/check"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent" />
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Choose data to transfer"
+        android:textAlignment="center"
+        android:textSize="28sp"
+        android:textStyle="bold"
+        app:layout_constraintTop_toBottomOf="@id/icon" />
+
+    <CheckBox
+        android:id="@+id/check_all"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/textView"
+        app:layout_constraintStart_toStartOf="parent"
+        android:layout_marginStart="32dp"
+        android:layout_marginTop="32dp" />
+
+    <TextView
+        android:id="@+id/check_all_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="All"
+        app:layout_constraintTop_toBottomOf="@id/check_all"
+        app:layout_constraintLeft_toLeftOf="@id/check_all"
+        app:layout_constraintRight_toRightOf="@id/check_all"
+        android:layout_marginTop="-8dp"/>
+
+    <TextView
+        android:id="@+id/selected_count"
+        android:layout_width="wrap_content"
+        android:layout_height="0dp"
+        android:text="3 items selected"
+        android:textStyle="bold"
+        android:textSize="24sp"
+        android:gravity="center_vertical"
+        app:layout_constraintTop_toTopOf="@id/check_all"
+        app:layout_constraintBottom_toTopOf="@id/selected_size"
+        app:layout_constraintStart_toEndOf="@id/check_all" />
+
+    <TextView
+        android:id="@+id/selected_size"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="37.8 GB / About 28 minutes"
+        android:gravity="center_vertical"
+        app:layout_constraintTop_toTopOf="@id/check_all_label"
+        app:layout_constraintBottom_toBottomOf="@id/check_all_label"
+        app:layout_constraintStart_toStartOf="@id/selected_count" />
+
+    <View
+        android:id="@+id/divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="?android:attr/dividerHorizontal"
+        app:layout_constraintTop_toBottomOf="@id/check_all_label"
+        android:layout_marginVertical="16dp"
+        android:layout_marginHorizontal="16dp"/>
+
+    <CheckBox
+        android:id="@+id/check_favorites"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/divider"
+        app:layout_constraintLeft_toLeftOf="parent"
+        android:layout_marginStart="32dp"
+        android:layout_marginTop="32dp"/>
+
+    <androidx.appcompat.widget.AppCompatImageView
+        android:id="@+id/favorites_icon"
+        android:layout_width="48dp"
+        android:layout_height="48dp"
+        android:layout_margin="16dp"
+        app:srcCompat="@drawable/heart"
+        app:layout_constraintStart_toEndOf="@id/check_favorites"
+        app:layout_constraintTop_toTopOf="@id/check_favorites"
+        app:layout_constraintBottom_toBottomOf="@id/check_favorites"/>
+
+    <TextView
+        android:id="@+id/favorites_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Favorites"
+        android:textSize="28sp"
+        app:layout_constraintTop_toTopOf="@id/favorites_icon"
+        app:layout_constraintBottom_toTopOf="@id/favorites_count"
+        app:layout_constraintStart_toEndOf="@id/favorites_icon"
+        android:layout_marginStart="16dp" />
+
+    <TextView
+        android:id="@+id/favorites_count"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="275 items"
+        app:layout_constraintTop_toBottomOf="@id/favorites_label"
+        app:layout_constraintBottom_toBottomOf="@id/favorites_icon"
+        app:layout_constraintStart_toStartOf="@id/favorites_label" />
+
+    <CheckBox
+        android:id="@+id/check_history"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/check_favorites"
+        app:layout_constraintLeft_toLeftOf="parent"
+        android:layout_marginStart="32dp"
+        android:layout_marginTop="32dp"/>
+
+    <androidx.appcompat.widget.AppCompatImageView
+        android:id="@+id/history_icon"
+        android:layout_width="48dp"
+        android:layout_height="48dp"
+        android:layout_margin="16dp"
+        app:srcCompat="@drawable/history_rounded"
+        app:layout_constraintStart_toEndOf="@id/check_history"
+        app:layout_constraintTop_toTopOf="@id/check_history"
+        app:layout_constraintBottom_toBottomOf="@id/check_history"/>
+
+    <TextView
+        android:id="@+id/history_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="History"
+        android:textSize="28sp"
+        app:layout_constraintTop_toTopOf="@id/history_icon"
+        app:layout_constraintBottom_toTopOf="@id/history_count"
+        app:layout_constraintStart_toEndOf="@id/history_icon"
+        android:layout_marginStart="16dp" />
+
+    <TextView
+        android:id="@+id/history_count"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="2375 items"
+        app:layout_constraintTop_toBottomOf="@id/history_label"
+        app:layout_constraintBottom_toBottomOf="@id/history_icon"
+        app:layout_constraintStart_toStartOf="@id/history_label" />
+
+    <CheckBox
+        android:id="@+id/check_downloads"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/check_history"
+        app:layout_constraintLeft_toLeftOf="parent"
+        android:layout_marginStart="32dp"
+        android:layout_marginTop="32dp"/>
+
+    <androidx.appcompat.widget.AppCompatImageView
+        android:id="@+id/downloads_icon"
+        android:layout_width="48dp"
+        android:layout_height="48dp"
+        android:layout_margin="16dp"
+        app:srcCompat="@drawable/download"
+        app:layout_constraintStart_toEndOf="@id/check_downloads"
+        app:layout_constraintTop_toTopOf="@id/check_downloads"
+        app:layout_constraintBottom_toBottomOf="@id/check_downloads"/>
+
+    <TextView
+        android:id="@+id/downloads_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Downloads"
+        android:textSize="28sp"
+        app:layout_constraintTop_toTopOf="@id/downloads_icon"
+        app:layout_constraintBottom_toTopOf="@id/downloads_count"
+        app:layout_constraintStart_toEndOf="@id/downloads_icon"
+        android:layout_marginStart="16dp" />
+
+    <TextView
+        android:id="@+id/downloads_count"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="881 items"
+        app:layout_constraintTop_toBottomOf="@id/downloads_label"
+        app:layout_constraintBottom_toBottomOf="@id/downloads_icon"
+        app:layout_constraintStart_toStartOf="@id/downloads_label" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -48,6 +48,7 @@
    <string name="main_drawer_downloads">ダウンロード</string>
    <string name="main_jump_title">ページ移動</string>
    <string name="main_jump_message">現ページ番号: %1$d\nページ数: %2$d</string>
+    <string name="channel_transfer">転送</string>
    <string name="unable_to_connect">hitomi.laに接続できません</string>
    <string name="main_move_to_page">%1$dページへ移動</string>
    <string name="settings_clear_downloads">ダウンロード削除</string>
@@ -160,4 +161,5 @@
    <string name="settings_networking">ネットワーク</string>
    <string name="settings_recover_downloads">ダウンロードデータベースを再構築</string>
    <string name="settings_transfer_data">他の機器にデータを転送</string>
+    <string name="channel_transfer_description">他の機器へのデータ転送の進捗度を表示</string>
 </resources>
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -47,6 +47,7 @@
    <string name="main_drawer_downloads">다운로드</string>
    <string name="main_jump_title">페이지 이동</string>
    <string name="main_jump_message">현재 페이지: %1$d\n페이지 수: %2$d</string>
+    <string name="channel_transfer">전송</string>
    <string name="unable_to_connect">hitomi.la에 연결할 수 없습니다</string>
    <string name="main_move_to_page">%1$d 페이지로 이동</string>
    <string name="settings_clear_downloads">다운로드 삭제</string>
@@ -160,4 +161,5 @@
    <string name="settings_networking">네트워크</string>
    <string name="settings_recover_downloads">다운로드 데이터베이스 복구</string>
    <string name="settings_transfer_data">다른 기기에 데이터 전송</string>
+    <string name="channel_transfer_description">다른 기기에 데이터 전송 시 상태 표시</string>
 </resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -43,6 +43,9 @@
    <string name="channel_update">Update</string>
    <string name="channel_update_description">Shows update progress</string>

+    <string name="channel_transfer">Transfer</string>
+    <string name="channel_transfer_description">Shows progress of transferring data to another device</string>
+
    <string name="unable_to_connect">Unable to connect to hitomi.la</string>

    <string name="lock_corrupted">Lock file corrupted! Please re-install Pupil</string>