Option to prevent rationale dialog from being cancelled by the user

permissions/src/main/java/com/nabinbhandari/android/permissions/Permissions.java

@@ -152,9 +152,12 @@ public static class Options implements Serializable {
 
         String settingsText = "Settings";
         String rationaleDialogTitle = "Permissions Required";
+        String rationaleDialogNegativeButton = null;
+        String rationaleDialogPositiveButton = null;
         String settingsDialogTitle = "Permissions Required";
         String settingsDialogMessage = "Required permission(s) have been set" +
                 " not to ask again! Please provide them from settings.";
+        boolean rationaleDialogCancelable = true;
         boolean sendBlockedToSettings = true;
         boolean createNewTask = false;
 
@@ -193,6 +196,28 @@ public Options setRationaleDialogTitle(String rationaleDialogTitle) {
             return this;
         }
 
+        /**
+         * Sets a custom text for the rationale dialog's negative button.
+         *
+         * @param rationaleDialogNegativeButton cancel button text.
+         * @return same instance.
+         */
+        public Options setRationaleDialogNegativeButton(String rationaleDialogNegativeButton) {
+            this.rationaleDialogNegativeButton = rationaleDialogNegativeButton;
+            return this;
+        }
+
+        /**
+         * Sets a custom text for the rationale dialog's positive button.
+         *
+         * @param rationaleDialogPositiveButton positive button text.
+         * @return same instance.
+         */
+        public Options setRationaleDialogPositiveButton(String rationaleDialogPositiveButton) {
+            this.rationaleDialogPositiveButton = rationaleDialogPositiveButton;
+            return this;
+        }
+
         /**
          * Sets the title text of the dialog which asks user to go to settings, in the case when
          * permission(s) have been set not to ask again.
@@ -230,6 +255,17 @@ public Options sendDontAskAgainToSettings(boolean send) {
             sendBlockedToSettings = send;
             return this;
         }
+
+        /**
+         * Sets whether or not the rationale dialog should be cancelable.
+         *
+         * @param cancelable if true, the rationale dialog will be cancelable.
+         * @return same instance.
+         */
+        public Options setRationaleDialogCancelable(boolean cancelable) {
+            rationaleDialogCancelable = cancelable;
+            return this;
+        }
     }
 
 }

permissions/src/main/java/com/nabinbhandari/android/permissions/PermissionsActivity.java

@@ -92,16 +92,26 @@ public void onClick(DialogInterface dialog, int which) {
                 }
             }
         };
-        new AlertDialog.Builder(this).setTitle(options.rationaleDialogTitle)
-                .setMessage(rationale)
-                .setPositiveButton(android.R.string.ok, listener)
-                .setNegativeButton(android.R.string.cancel, listener)
-                .setOnCancelListener(new DialogInterface.OnCancelListener() {
-                    @Override
-                    public void onCancel(DialogInterface dialog) {
-                        deny();
-                    }
-                }).create().show();
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(this).setTitle(options.rationaleDialogTitle);
+        builder.setMessage(rationale);
+
+        if (options.rationaleDialogCancelable) {
+            String negativeButtonText = options.rationaleDialogNegativeButton != null ? options.rationaleDialogNegativeButton : getString(android.R.string.cancel);
+            builder.setNegativeButton(negativeButtonText, listener)
+                    .setOnCancelListener(new DialogInterface.OnCancelListener() {
+                        @Override
+                        public void onCancel(DialogInterface dialog) {
+                            deny();
+                        }
+                    });
+        } else {
+            builder.setCancelable(false);
+        }
+
+        String positiveButtonText = options.rationaleDialogPositiveButton != null ? options.rationaleDialogPositiveButton : getString(android.R.string.ok);
+        builder.setPositiveButton(positiveButtonText, listener)
+                .create().show();
     }
 
     @SuppressWarnings("NullableProblems")