fix(android): guard access to some toast properties

android/modules/ui/src/java/ti/modules/titanium/ui/widget/TiUINotification.java

@@ -32,13 +32,6 @@ public TiUINotification(TiViewProxy proxy)
 	@Override
 	public void processProperties(KrollDict d)
 	{
-
-		float horizontalMargin = toast.getHorizontalMargin();
-		float verticalMargin = toast.getVerticalMargin();
-		int offsetX = toast.getXOffset();
-		int offsetY = toast.getYOffset();
-		int gravity = toast.getGravity();
-
 		if (proxy.hasProperty(TiC.PROPERTY_MESSAGE)) {
 			toast.setText(TiConvert.toString(proxy.getProperty(TiC.PROPERTY_MESSAGE)));
 		}
@@ -49,30 +42,43 @@ public void processProperties(KrollDict d)
 			toast.setDuration(duration);
 		}
 
-		//float horizontalMargin, float verticalMargin
-		if (proxy.hasProperty("horizontalMargin")) {
-			horizontalMargin = TiConvert.toFloat(proxy.getProperty("horizontalMargin"));
-		}
+		// Only change layout if we have custom margins
+		if (proxy.hasProperty("horizontalMargin") || proxy.hasProperty("verticalMargin")) {
+			float horizontalMargin = toast.getHorizontalMargin();
+			float verticalMargin = toast.getVerticalMargin();
 
-		if (proxy.hasProperty("verticalMargin")) {
-			verticalMargin = TiConvert.toFloat(proxy.getProperty("verticalMargin"));
-		}
+			// float horizontalMargin, float verticalMargin
+			if (proxy.hasProperty("horizontalMargin")) {
+				horizontalMargin = TiConvert.toFloat(proxy.getProperty("horizontalMargin"));
+			}
 
-		toast.setMargin(horizontalMargin, verticalMargin);
+			if (proxy.hasProperty("verticalMargin")) {
+				verticalMargin = TiConvert.toFloat(proxy.getProperty("verticalMargin"));
+			}
 
-		if (proxy.hasProperty("offsetX")) {
-			offsetX = TiConvert.toInt(proxy.getProperty("offsetX"));
+			toast.setMargin(horizontalMargin, verticalMargin);
 		}
 
-		if (proxy.hasProperty("offsetY")) {
-			offsetY = TiConvert.toInt(proxy.getProperty("offsetY"));
-		}
+		// Only change gravity if we have custom offsets / gravity
+		if (proxy.hasProperty("offsetX") || proxy.hasProperty("offsetY") || proxy.hasProperty("gravity")) {
+			int offsetX = toast.getXOffset();
+			int offsetY = toast.getYOffset();
+			int gravity = toast.getGravity();
 
-		if (proxy.hasProperty("gravity")) {
-			gravity = TiConvert.toInt(proxy.getProperty("gravity"));
-		}
+			if (proxy.hasProperty("offsetX")) {
+				offsetX = TiConvert.toInt(proxy.getProperty("offsetX"));
+			}
+
+			if (proxy.hasProperty("offsetY")) {
+				offsetY = TiConvert.toInt(proxy.getProperty("offsetY"));
+			}
 
-		toast.setGravity(gravity, offsetX, offsetY);
+			if (proxy.hasProperty("gravity")) {
+				gravity = TiConvert.toInt(proxy.getProperty("gravity"));
+			}
+
+			toast.setGravity(gravity, offsetX, offsetY);
+		}
 
 		super.processProperties(d);
 	}

tests/Resources/ti.ui.notification.test.js

@@ -0,0 +1,48 @@
+/*
+ * Appcelerator Titanium Mobile
+ * Copyright (c) 2021-Present by Axway. All Rights Reserved.
+ * Licensed under the terms of the Apache Public License
+ * Please see the LICENSE included with this distribution for details.
+ */
+/* eslint-env mocha */
+/* eslint no-unused-expressions: "off" */
+/* eslint promise/no-callback-in-promise: "off" */
+'use strict';
+const should = require('./utilities/assertions');
+
+describe('Titanium.UI.Notification', function () {
+	this.timeout(10000);
+
+	let window;
+	afterEach(done => {
+		if (window && !window.closed) {
+			window.close().then(() => done()).catch(_e => done());
+		} else {
+			window = null;
+			done();
+		}
+	});
+
+	describe('methods', () => {
+		describe('#show()', () => {
+			it('is a Function', () => {
+				const notification = Ti.UI.createNotification({
+					title: 'Hello world',
+					duration: Ti.UI.NOTIFICATION_DURATION_SHORT
+				});
+
+				should(notification).have.a.property('show').which.is.a.Function();
+			});
+
+			it('does not crash', finish => {
+				const notification = Ti.UI.createNotification({
+					title: 'Hello world',
+					duration: Ti.UI.NOTIFICATION_DURATION_SHORT
+				});
+
+				window = Ti.UI.createWindow();
+				window.open().then(notification.show).catch(finish);
+			});
+		});
+	});
+});