Prevent crash on showing AlertDialogWpp

Before showing an `AlertDialogWpp`, check if the underlying `Activity` context is finishing or destroyed to prevent a `WindowManager$BadTokenException`.

Signed-off-by: Dev4Mod <[email protected]>

Author: Dev4Mod

app/src/main/java/com/wmods/wppenhacer/xposed/core/components/AlertDialogWpp.java

@@ -1,5 +1,6 @@
 package com.wmods.wppenhacer.xposed.core.components;
 
+import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.Context;
@@ -178,6 +179,12 @@ public void dismiss() {
     }
 
     public void show() {
+        if (mContext instanceof Activity) {
+            Activity activity = (Activity) mContext;
+            if (activity.isFinishing() || activity.isDestroyed()) {
+                return;
+            }
+        }
         if (isSystemDialog()) {
             mAlertDialog.show();
             return;