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Update Android port

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* doc/emacs/android.texi (Android Windowing): Document how to
display dialogs when Emacs is in the background.
* java/org/gnu/emacs/EmacsDialog.java (display1): Use system
dialogs if possible.
This commit is contained in:
Po Lu 2023-03-14 09:48:02 +08:00
parent e0417a4577
commit 5964051fce
2 changed files with 51 additions and 9 deletions
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45
java/org/gnu/emacs/EmacsDialog.java
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@ -23,8 +23,14 @@ import java.util.List;
import java.util.ArrayList;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Build;
import android.provider.Settings;
import android.util.Log;
import android.widget.Button;
@ -33,6 +39,8 @@ import android.widget.FrameLayout;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
/* Toolkit dialog implementation. This object is built from JNI and
describes a single alert dialog. Then, `inflate' turns it into
@ -225,33 +233,54 @@ public final class EmacsDialog implements DialogInterface.OnDismissListener
/* Internal helper for display run on the main thread. */
@SuppressWarnings("deprecation")
private boolean
display1 ()
{
EmacsActivity activity;
int size;
Context context;
int size, type;
Button buttonView;
EmacsButton button;
AlertDialog dialog;
Window window;
if (EmacsActivity.focusedActivities.isEmpty ())
/* 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 focusedActivities is empty then this dialog may have
been displayed immediately after a popup dialog is
dismissed. */
activity = EmacsActivity.lastFocusedActivity;
context = EmacsActivity.lastFocusedActivity;
if (activity == null)
if (context == null)
return false;
}
else
activity = EmacsActivity.focusedActivities.get (0);
context = EmacsActivity.focusedActivities.get (0);
dialog = dismissDialog = toAlertDialog (activity);
Log.d (TAG, "display1: using context " + context);
dialog = dismissDialog = toAlertDialog (context);
try
{
if (context == EmacsService.SERVICE)
{
/* Apply the system alert window type to make sure this
dialog can be displayed. */
window = dialog.getWindow ();
type = (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O
? WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY
: WindowManager.LayoutParams.TYPE_PHONE);
window.setType (type);
}
dismissDialog.show ();
}
catch (Exception exception)