From 9e9faf3be1582ac5cdcaa46dc60287b10c921aa2 Mon Sep 17 00:00:00 2001
From: JosJuice <josjuice@gmail.com>
Date: Sun, 16 Mar 2025 11:24:10 +0100
Subject: [PATCH] Android: Show message when trying to map disconnected device

Having the MotionAlertDialog immediately close is confusing for users.
Let's show a message to tell them what went wrong.
---
 .../dolphinemu/features/input/ui/MotionAlertDialog.kt     | 8 ++++++++
 Source/Android/app/src/main/res/values/strings.xml        | 3 ++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/input/ui/MotionAlertDialog.kt b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/input/ui/MotionAlertDialog.kt
index c3b471899e..12f3ffb138 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/input/ui/MotionAlertDialog.kt
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/input/ui/MotionAlertDialog.kt
@@ -9,6 +9,8 @@ import android.view.InputDevice
 import android.view.KeyEvent
 import android.view.MotionEvent
 import androidx.appcompat.app.AlertDialog
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.dolphinemu.dolphinemu.R
 import org.dolphinemu.dolphinemu.features.input.model.ControllerInterface
 import org.dolphinemu.dolphinemu.features.input.model.InputDetector
 import org.dolphinemu.dolphinemu.features.input.model.view.InputMappingControlSetting
@@ -35,6 +37,12 @@ class MotionAlertDialog(
         running = true
         inputDetector.start(setting.controller.getDefaultDevice(), allDevices)
         periodicUpdate()
+        if (running == false) {
+            MaterialAlertDialogBuilder(activity)
+                .setMessage(R.string.input_binding_disconnected_device)
+                .setPositiveButton(R.string.ok, null)
+                .show()
+        }
     }
 
     override fun onStop() {
diff --git a/Source/Android/app/src/main/res/values/strings.xml b/Source/Android/app/src/main/res/values/strings.xml
index e10a781114..c0b33237af 100644
--- a/Source/Android/app/src/main/res/values/strings.xml
+++ b/Source/Android/app/src/main/res/values/strings.xml
@@ -54,7 +54,8 @@
 
     <string name="input_binding">Input Binding</string>
     <string name="input_binding_description">Press or move an input to bind it to %1$s.</string>
-    <string name="input_binding_no_device">You need to select a device first!</string>
+    <string name="input_binding_no_device">You need to select a device first.</string>
+    <string name="input_binding_disconnected_device">The selected device is disconnected.\n\nPlease reconnect the device or select a different device.</string>
     <string name="input_configure_input">Configure Input</string>
     <string name="input_configure_output">Configure Output</string>
     <string name="input_expression">Expression</string>