ui: show excluded/included apps in details view

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

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

@@ -219,6 +219,30 @@
                         app:layout_constraintStart_toStartOf="@+id/mtu_label"
                         app:layout_constraintTop_toBottomOf="@+id/mtu_label"
                         tools:text="1500" />
+
+                    <TextView
+                        android:id="@+id/applications_label"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="8dp"
+                        android:labelFor="@+id/applications_text"
+                        android:text="@string/applications"
+                        android:visibility="@{config.interface.includedApplications.isEmpty() &amp;&amp; config.interface.excludedApplications.isEmpty() ? android.view.View.GONE : android.view.View.VISIBLE}"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toBottomOf="@id/listen_port_text" />
+
+                    <TextView
+                        android:id="@+id/applications_text"
+                        style="@style/DetailText"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:contentDescription="@string/dns_servers"
+                        android:onClick="@{ClipboardUtils::copyTextView}"
+                        android:text="@{config.interface.includedApplications.isEmpty() ? @plurals/n_excluded_applications(config.interface.excludedApplications.size(), config.interface.excludedApplications.size()) : @plurals/n_included_applications(config.interface.includedApplications.size(), config.interface.includedApplications.size())}"
+                        android:visibility="@{config.interface.includedApplications.isEmpty() &amp;&amp; config.interface.excludedApplications.isEmpty() ? android.view.View.GONE : android.view.View.VISIBLE}"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toBottomOf="@+id/applications_label"
+                        tools:text="8 excluded" />
                 </androidx.constraintlayout.widget.ConstraintLayout>
             </com.google.android.material.card.MaterialCardView>
 

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

@@ -28,6 +28,14 @@
         <item quantity="one">%d Included Application</item>
         <item quantity="other">%d Included Applications</item>
     </plurals>
+    <plurals name="n_excluded_applications">
+        <item quantity="one">%d excluded</item>
+        <item quantity="other">%d excluded</item>
+    </plurals>
+    <plurals name="n_included_applications">
+        <item quantity="one">%d included</item>
+        <item quantity="other">%d included</item>
+    </plurals>
     <string name="all_applications">All Applications</string>
     <string name="exclude_from_tunnel">Exclude</string>
     <string name="include_in_tunnel">Include only</string>
@@ -50,6 +58,7 @@
     <string name="use_all_applications">Use all apps</string>
     <string name="add_peer">Add peer</string>
     <string name="addresses">Addresses</string>
+    <string name="applications">Applications</string>
     <string name="allow_remote_control_intents_summary_off">External apps may not toggle tunnels (recommended)</string>
     <string name="allow_remote_control_intents_summary_on">External apps may toggle tunnels (advanced)</string>
     <string name="allow_remote_control_intents_title">Allow remote control apps</string>