Implement submenus on Android

* java/org/gnu/emacs/EmacsActivity.java (onCreate): Set the
default theme to Theme.DeviceDefault.NoActionBar if possible.
(onContextMenuClosed): Add hack for Android bug.
* java/org/gnu/emacs/EmacsContextMenu.java (EmacsContextMenu)
(onMenuItemClick): Set flag upon submenu selection.
(inflateMenuItems): Set onClickListener for submenus as well.
(display1): Clear new flag.
* java/org/gnu/emacs/EmacsDrawRectangle.java (perform): Fix
rectangle bounds.
* java/org/gnu/emacs/EmacsNative.java (EmacsNative):
* java/org/gnu/emacs/EmacsService.java (onCreate): Pass cache
directory.
(sync): New function.
* src/android.c (struct android_emacs_service): New method
`sync'.
(setEmacsParams, initEmacs): Handle cache directory.
(android_init_emacs_service): Initialize new method `sync'.
(android_sync): New function.
* src/androidfns.c (Fx_show_tip): Call both functions.
* src/androidgui.h: Update prototypes.
* src/androidmenu.c (struct android_menu_subprefix)
(android_free_subprefixes, android_menu_show): Handle submenu
prefixes correctly.
* src/androidterm.c (handle_one_android_event): Clear help echo
on MotionNotify like on X.
* src/menu.c (single_menu_item): Enable submenus on Android.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/androidterm.c b/src/androidterm.c
index 4017fec60a5..6f452a52d85 100644
--- a/src/androidterm.c
+++ b/src/androidterm.c
@@ -689,6 +689,16 @@ handle_one_android_event (struct android_display_info *dpyinfo,
       goto OTHER;
 
     case ANDROID_MOTION_NOTIFY:
+
+      previous_help_echo_string = help_echo_string;
+      help_echo_string = Qnil;
+
+      if (hlinfo->mouse_face_hidden)
+        {
+          hlinfo->mouse_face_hidden = false;
+          clear_mouse_face (hlinfo);
+        }
+
       f = any;
 
       if (f)