tv: begin to wire up databindings

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

ui/src/main/java/com/wireguard/android/activity/TvMainActivity.kt

@@ -8,14 +8,14 @@ package com.wireguard.android.activity
 import android.os.Bundle
 import android.widget.Toast
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AppCompatActivity
 import androidx.lifecycle.lifecycleScope
-import com.google.android.material.button.MaterialButton
+import com.wireguard.android.Application
-import com.wireguard.android.R
+import com.wireguard.android.databinding.TvActivityBinding
-import com.wireguard.android.model.ObservableTunnel
 import com.wireguard.android.util.TunnelImporter
 import kotlinx.coroutines.launch
 
-class TvMainActivity : BaseActivity() {
+class TvMainActivity : AppCompatActivity() {
     private val tunnelFileImportResultLauncher = registerForActivityResult(ActivityResultContracts.GetContent()) { data ->
         lifecycleScope.launch {
             TunnelImporter.importTunnel(contentResolver, data) {
@@ -24,18 +24,14 @@ class TvMainActivity : BaseActivity() {
         }
     }
 
-    override fun onSelectedTunnelChanged(oldTunnel: ObservableTunnel?, newTunnel: ObservableTunnel?) {
-    }
-
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.tv_activity)
+        val binding = TvActivityBinding.inflate(layoutInflater)
-        findViewById<MaterialButton>(R.id.import_button).setOnClickListener {
+        lifecycleScope.launch { binding.tunnels = Application.getTunnelManager().getTunnels() }
+        binding.importButton.setOnClickListener {
             tunnelFileImportResultLauncher.launch("*/*")
         }
-    }
+        binding.executePendingBindings()
-
+        setContentView(binding.root)
-    companion object {
-        const val TAG = "WireGuard/TvMainActivity"
     }
 }

ui/src/main/res/layout/tv_activity.xml

@@ -1,31 +1,45 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<layout 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"
+    xmlns:tools="http://schemas.android.com/tools">
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
 
-    <androidx.recyclerview.widget.RecyclerView
+    <data>
-        android:id="@+id/tunnel_list"
+
+        <import type="com.wireguard.android.model.ObservableTunnel" />
+
+        <variable
+            name="tunnels"
+            type="com.wireguard.android.databinding.ObservableKeyedArrayList&lt;String, ObservableTunnel&gt;" />
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
+        android:layout_height="match_parent">
-        android:layout_marginTop="16dp"
-        android:orientation="horizontal"
-        app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
-        app:layout_constraintBottom_toTopOf="@id/import_button"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        tools:itemCount="10"
-        tools:listitem="@layout/tv_tunnel_list_item" />
 
-    <com.google.android.material.button.MaterialButton
+        <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/import_button"
+            android:id="@+id/tunnel_list"
-        style="?attr/textAppearanceButton"
+            android:layout_width="match_parent"
-        android:layout_width="wrap_content"
+            android:layout_height="match_parent"
-        android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
-        android:layout_margin="16dp"
+            android:orientation="horizontal"
-        android:text="@string/create_from_file"
+            app:items="@{tunnels}"
-        app:layout_constraintBottom_toBottomOf="parent"
+            app:layout="@{@layout/tv_tunnel_list_item}"
-        app:layout_constraintEnd_toEndOf="parent" />
+            app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
+            app:layout_constraintBottom_toTopOf="@id/import_button"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:itemCount="10"
+            tools:listitem="@layout/tv_tunnel_list_item" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/import_button"
+            style="?attr/textAppearanceButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            android:text="@string/create_from_file"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>

ui/src/main/res/layout/tv_tunnel_list_item.xml

@@ -9,10 +9,6 @@
 
         <import type="com.wireguard.android.backend.Tunnel.State" />
 
-        <variable
-            name="collection"
-            type="com.wireguard.android.databinding.ObservableKeyedArrayList&lt;String, ObservableTunnel&gt;" />
-
         <variable
             name="key"
             type="String" />
@@ -20,11 +16,6 @@
         <variable
             name="item"
             type="com.wireguard.android.model.ObservableTunnel" />
-
-        <!-- Unused on TV but we retain this so the existing Adapter and ViewHolder can be reused -->
-        <variable
-            name="fragment"
-            type="com.wireguard.android.fragment.TunnelListFragment" />
     </data>
 
     <com.google.android.material.card.MaterialCardView