Android: Hide controller mappings button when controller type is None

Also removed the make_sure_continuous_scan_enabled message.
It doesn't make sense with the new UX.

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsActivity.java

@@ -310,6 +310,12 @@ public void onMenuTagAction(@NonNull MenuTag menuTag, int value)
     mPresenter.onMenuTagAction(menuTag, value);
   }
 
+  @Override
+  public boolean hasMenuTagActionForValue(@NonNull MenuTag menuTag, int value)
+  {
+    return mPresenter.hasMenuTagActionForValue(menuTag, value);
+  }
+
   @Override
   public boolean onSupportNavigateUp()
   {

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsActivityPresenter.java

@@ -153,26 +153,45 @@ public void onMenuTagAction(@NonNull MenuTag menuTag, int value)
 
     if (menuTag.isWiimoteMenu())
     {
-      switch (value)
+      if (value == 1) // Emulated Wii Remote
       {
-        case 1:
-          mView.showSettingsFragment(menuTag, null, true, mGameId);
-          break;
-
-        case 2:
-          mView.showToastMessage(mActivity.getString(R.string.make_sure_continuous_scan_enabled));
-          break;
+        mView.showSettingsFragment(menuTag, null, true, mGameId);
       }
     }
 
     if (menuTag.isWiimoteExtensionMenu())
     {
-      if (value != 0) // None
+      if (value != 0) // Not disabled
       {
         Bundle bundle = new Bundle();
         bundle.putInt(SettingsFragmentPresenter.ARG_CONTROLLER_TYPE, value);
         mView.showSettingsFragment(menuTag, bundle, true, mGameId);
       }
     }
   }
+
+  public boolean hasMenuTagActionForValue(@NonNull MenuTag menuTag, int value)
+  {
+    if (menuTag.isSerialPort1Menu())
+    {
+      return (value != 0 && value != 255); // Not disabled or dummy
+    }
+
+    if (menuTag.isGCPadMenu())
+    {
+      return (value != 0); // Not disabled
+    }
+
+    if (menuTag.isWiimoteMenu())
+    {
+      return (value == 1); // Emulated Wii Remote
+    }
+
+    if (menuTag.isWiimoteExtensionMenu())
+    {
+      return (value != 0); // Not disabled
+    }
+
+    return false;
+  }
 }

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsActivityView.java

@@ -64,11 +64,20 @@ public interface SettingsActivityView
    * Called by a containing Fragment to tell the containing Activity that the user wants to open the
    * MenuTag associated with a setting.
    *
-   * @param menuTag The MenuTag to open.
-   * @param value   The current value of the associated setting.
+   * @param menuTag The MenuTag of the setting.
+   * @param value   The current value of the setting.
    */
   void onMenuTagAction(@NonNull MenuTag menuTag, int value);
 
+  /**
+   * Returns whether anything will happen when the user wants to open the MenuTag associated with a
+   * setting, given the current value of the setting.
+   *
+   * @param menuTag The MenuTag of the setting.
+   * @param value   The current value of the setting.
+   */
+  boolean hasMenuTagActionForValue(@NonNull MenuTag menuTag, int value);
+
   /**
    * Show loading dialog while loading the settings
    */

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsAdapter.java

@@ -472,6 +472,11 @@ public void onMenuTagAction(@NonNull MenuTag menuTag, int value)
     mView.onMenuTagAction(menuTag, value);
   }
 
+  public boolean hasMenuTagActionForValue(@NonNull MenuTag menuTag, int value)
+  {
+    return mView.hasMenuTagActionForValue(menuTag, value);
+  }
+
   @Override
   public void onClick(DialogInterface dialog, int which)
   {

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsFragment.java

@@ -231,6 +231,11 @@ public void onMenuTagAction(@NonNull MenuTag menuTag, int value)
     mActivity.onMenuTagAction(menuTag, value);
   }
 
+  public boolean hasMenuTagActionForValue(@NonNull MenuTag menuTag, int value)
+  {
+    return mActivity.hasMenuTagActionForValue(menuTag, value);
+  }
+
   private void setInsets()
   {
     ViewCompat.setOnApplyWindowInsetsListener(mBinding.listSettings, (v, windowInsets) ->

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsFragmentView.java

@@ -76,8 +76,17 @@ public interface SettingsFragmentView
    * Have the fragment tell the containing Activity that the user wants to open the MenuTag
    * associated with a setting.
    *
-   * @param menuTag The MenuTag to open.
-   * @param value   The current value of the associated setting.
+   * @param menuTag The MenuTag of the setting.
+   * @param value   The current value of the setting.
    */
   void onMenuTagAction(@NonNull MenuTag menuTag, int value);
+
+  /**
+   * Returns whether anything will happen when the user wants to open the MenuTag associated with a
+   * setting, given the current value of the setting.
+   *
+   * @param menuTag The MenuTag of the setting.
+   * @param value   The current value of the setting.
+   */
+  boolean hasMenuTagActionForValue(@NonNull MenuTag menuTag, int value);
 }

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/viewholder/SingleChoiceViewHolder.java

@@ -101,7 +101,8 @@ else if (item instanceof StringSingleChoiceSetting)
       getSelectedValue = setting::getSelectedValueIndex;
     }
 
-    if (menuTag != null)
+    if (menuTag != null &&
+            adapter.hasMenuTagActionForValue(menuTag, getSelectedValue.apply(settings)))
     {
       mBinding.buttonMoreSettings.setVisibility(View.VISIBLE);
 

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

@@ -683,7 +683,6 @@ It can efficiently compress both junk data and encrypted Wii data.
     <string name="replug_gc_adapter">GameCube Adapter couldn\'t be opened. Please re-plug the device.</string>
     <string name="disabled_gc_overlay_notice">GameCube Controller 1 is set to \"None\"</string>
     <string name="ignore_warning_alert_messages">Ignore for this session</string>
-    <string name="make_sure_continuous_scan_enabled">Please make sure Continuous Scanning is enabled in Core Settings.</string>
 
     <!-- UI CPU Core selection -->
     <string name="jit_recompiler_x86">JIT Recompiler for x86–64 (recommended)</string>