Update Android port

* doc/lispref/commands.texi (Misc Events): Document variable
`disable-inhibit-text-conversion'.
* java/org/gnu/emacs/EmacsDialog.java (display1): Try an
activity that is certain to be focused first.
* lisp/touch-screen.el (touch-screen-track-tap)
(touch-screen-track-drag): Bind
`disable-inhibit-text-conversion'.
* src/keyboard.c (read_key_sequence): Only disable text
conversion if an actual function or numeric key is found in the
key sequence.
(syms_of_keyboard): New variable
`disable-inhibit-text-conversion'.
* src/lread.c (read_filtered_event): Check new variable.
* src/textconv.c (textconv_query): Remove unused label.

1 files changed, 11 insertions, 8 deletions

diff --git a/java/org/gnu/emacs/EmacsDialog.java b/java/org/gnu/emacs/EmacsDialog.java
index de5a37bd5c5..3a5f22021fc 100644
--- a/java/org/gnu/emacs/EmacsDialog.java
+++ b/java/org/gnu/emacs/EmacsDialog.java
@@ -244,23 +244,26 @@ public final class EmacsDialog implements DialogInterface.OnDismissListener
     AlertDialog dialog;
     Window window;
 
-    /* First, try to display a dialog using the service context.  */
-
-    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M
-        || Settings.canDrawOverlays (EmacsService.SERVICE))
-      context = EmacsService.SERVICE;
-    else if (EmacsActivity.focusedActivities.isEmpty ())
+    if (EmacsActivity.focusedActivities.isEmpty ())
       {
         /* If focusedActivities is empty then this dialog may have
            been displayed immediately after a popup dialog is
-           dismissed.  */
+           dismissed.  Or Emacs might legitimately be in the
+           background.  Try the service context first if possible.  */
 
-        context = EmacsActivity.lastFocusedActivity;
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M
+            || Settings.canDrawOverlays (EmacsService.SERVICE))
+          context = EmacsService.SERVICE;
+        else
+          context = EmacsActivity.lastFocusedActivity;
 
         if (context == null)
           return false;
       }
     else
+      /* Display using the activity context when Emacs is in the
+         foreground, as this allows the dialog to be dismissed more
+         consistently.  */
       context = EmacsActivity.focusedActivities.get (0);
 
     Log.d (TAG, "display1: using context " + context);