edusperoni · Nov 11, 2026 · Nov 11, 2026 · Nov 11, 2026 · Nov 11, 2026 · Nov 11, 2026
diff --git a/apps/automated/src/file-system/file-system-tests.ts b/apps/automated/src/file-system/file-system-tests.ts
@@ -785,3 +785,19 @@ export function test_FileAppendText(done) {
 		.then(() => done())
 		.catch(done);
 }
+
+export function test_FileReadTextKeepsLineBreaks(done) {
+	const content = '\nfirst\r\nsecond\rthird\n\n' + 'more than one read chunk\r\n'.repeat(5000);
+	const file = fs.File.fromPath(fs.path.join(fs.knownFolders.temp().path, `${Date.now()}-line-breaks.txt`));
+	file.writeTextSync(content);
+	TKUnit.assertEqual(file.readTextSync(), content, 'readTextSync should return the file content unchanged');
+	file
+		.readText()
+		.then((value) => {
+			TKUnit.assertEqual(value, content, 'readText should return the file content unchanged');
+
+			return Promise.allSettled([file.remove()]);
+		})
+		.then(() => done())
+		.catch(done);
+}
diff --git a/packages/core/application/application.android.ts b/packages/core/application/application.android.ts
@@ -461,8 +461,6 @@ const BroadcastReceiver = lazy(() => {
 		constructor(onReceiveCallback: (context: android.content.Context, intent: android.content.Intent) => void) {
 			super();
 			this._onReceiveCallback = onReceiveCallback;
-
-			return global.__native(this);
 		}
 
 		public onReceive(context: android.content.Context, intent: android.content.Intent) {
@@ -1327,8 +1325,6 @@ function ensureNativeClasses() {
 	class TNSAccessibilityDelegateImpl extends AccessibilityDelegate {
 		constructor() {
 			super();
-
-			return global.__native(this);
 		}
 
 		private getTnsView(androidView: android.view.View) {

diff --git a/packages/core/file-system/file-system-access.android.ts b/packages/core/file-system/file-system-access.android.ts
@@ -551,42 +551,18 @@ export class FileSystemAccess implements IFileSystemAccess {
 
 	public readTextSync(path: string, onError?: (error: any) => any, encoding?: any) {
 		try {
-			const javaFile = new java.io.File(path);
-			const stream = new java.io.FileInputStream(javaFile);
-
 			let actualEncoding = encoding;
 			if (!actualEncoding) {
 				actualEncoding = textModule.encoding.UTF_8;
 			}
-			const reader = new java.io.InputStreamReader(stream, actualEncoding);
-			const bufferedReader = new java.io.BufferedReader(reader);
-
-			// TODO: We will need to read the entire file to a CharBuffer instead of reading it line by line
-			// TODO: bufferedReader.read(CharBuffer) does not currently work
-			let line = undefined;
-			let result = '';
-			while (line !== null) {
-				line = bufferedReader.readLine();
-				if (line === null) {
-					break;
-				}
 
-				if (result.length > 0) {
-					// add the new line manually to the result
-					// TODO: Try with CharBuffer at a later stage, when the Bridge allows it
-					result += '\n';
-				}
-
-				result += line;
-			}
+			let result = FileSystemAccess._readAllBytes(path).toString(actualEncoding);
 
 			if (actualEncoding === textModule.encoding.UTF_8) {
 				// Remove UTF8 BOM if present. http://www.rgagnon.com/javadetails/java-handle-utf8-file-with-bom.html
 				result = FileSystemAccess._removeUtf8Bom(result);
 			}
 
-			bufferedReader.close();
-
 			return result;
 		} catch (exception) {
 			if (onError) {
@@ -595,6 +571,24 @@ export class FileSystemAccess implements IFileSystemAccess {
 		}
 	}
 
+	private static _readAllBytes(path: string): java.io.ByteArrayOutputStream {
+		const javaFile = new java.io.File(path);
+		const stream = new java.io.FileInputStream(javaFile);
+		try {
+			// length() is only a hint: special files such as /proc entries report 0.
+			const output = new java.io.ByteArrayOutputStream(Math.max(javaFile.length(), 32));
+			const chunk = (<any>Array).create('byte', 65536);
+			let count: number;
+			while ((count = stream.read(chunk)) !== -1) {
+				output.write(chunk, 0, count);
+			}
+
+			return output;
+		} finally {
+			stream.close();
+		}
+	}
+
 	private static _removeUtf8Bom(s: string): string {
 		if (s.charCodeAt(0) === 0xfeff) {
 			s = s.slice(1);

diff --git a/packages/core/http/http-request-internal/index.android.ts b/packages/core/http/http-request-internal/index.android.ts
@@ -3,6 +3,7 @@ import type { Headers, HttpResponse, HttpRequestOptions } from '../../http';
 import { Screen } from '../../platform/screen';
 import * as domainDebugger from '../../debugger';
 import { isObject } from '../../utils';
+import { runtimeCopiesTypedArraysToByteArrays } from '../../utils/android-runtime-version';
 import { HttpResponseEncoding } from '../http-interfaces';
 import { addHeader, getDebugRequestMethodAndBody } from './http-request-internal-common';
 export { addHeader } from './http-request-internal-common';
@@ -163,7 +164,7 @@ function buildJavaOptions(options: HttpRequestOptions) {
 		javaOptions.content = nativeBuffer;
 	} else if (options.content instanceof ArrayBuffer) {
 		const typedArray = new Uint8Array(options.content as ArrayBuffer);
-		const nativeBuffer = java.nio.ByteBuffer.wrap(Array.from(typedArray));
+		const nativeBuffer = java.nio.ByteBuffer.wrap(runtimeCopiesTypedArraysToByteArrays() ? (typedArray as any) : Array.from(typedArray));
 		javaOptions.content = nativeBuffer;
 	}
 	if (typeof options.timeout === 'number') {

diff --git a/packages/core/http/http-request/index.android.ts b/packages/core/http/http-request/index.android.ts
@@ -9,7 +9,12 @@ import { getFilenameFromUrl, parseJSON } from './http-request-common';
 
 const contentHandler: HttpContentHandler = {
 	toArrayBuffer(this: BaseHttpContent) {
-		return Uint8Array.from((this.raw as java.io.ByteArrayOutputStream).toByteArray()).buffer;
+		const bytes = (this.raw as java.io.ByteArrayOutputStream).toByteArray();
+		const buffer: ArrayBuffer = (ArrayBuffer as any).from(java.nio.ByteBuffer.wrap(bytes));
+		// Unlink the drained source ByteBuffer: it pins the byte[] and misleads FileSystemAccess.getBuffer.
+		delete (buffer as any).nativeObject;
+
+		return buffer;
 	},
 	toString(this: BaseHttpContent, encoding?: HttpResponseEncoding) {
 		let str: string;

diff --git a/packages/core/ui/action-bar/index.android.ts b/packages/core/ui/action-bar/index.android.ts
@@ -68,8 +68,6 @@ function initializeMenuItemClickListener(): void {
 	class MenuItemClickListenerImpl extends java.lang.Object implements androidx.appcompat.widget.Toolbar.OnMenuItemClickListener {
 		constructor(public owner: ActionBar) {
 			super();
-
-			return global.__native(this);
 		}
 
 		onMenuItemClick(item: android.view.MenuItem): boolean {

diff --git a/packages/core/ui/button/index.android.ts b/packages/core/ui/button/index.android.ts
@@ -27,8 +27,6 @@ function initializeClickListener(): void {
 	class ClickListenerImpl extends java.lang.Object implements android.view.View.OnClickListener {
 		constructor(public owner: Button) {
 			super();
-
-			return global.__native(this);
 		}
 
 		public onClick(v: android.view.View): void {

diff --git a/packages/core/ui/core/view/index.android.ts b/packages/core/ui/core/view/index.android.ts
@@ -136,8 +136,6 @@ function initializeTouchListener(): void {
 		constructor(owner: View) {
 			super();
 			this.owner = new WeakRef(owner);
-
-			return global.__native(this);
 		}
 
 		onTouch(view: android.view.View, event: android.view.MotionEvent): boolean {
@@ -182,8 +180,6 @@ function initializeDialogFragment() {
 
 				this.getOnBackPressedDispatcher().addCallback(this, callback);
 			}
-
-			return global.__native(this);
 		}
 
 		public onDetachedFromWindow(): void {
@@ -233,8 +229,6 @@ function initializeDialogFragment() {
 
 		constructor() {
 			super();
-
-			return global.__native(this);
 		}
 		public onCreate(savedInstanceState: android.os.Bundle) {
 			super.onCreate(savedInstanceState);

diff --git a/packages/core/ui/date-picker/index.android.ts b/packages/core/ui/date-picker/index.android.ts
@@ -20,8 +20,6 @@ function initializeDateChangedListener(): void {
 	class DateChangedListenerImpl extends java.lang.Object implements android.widget.DatePicker.OnDateChangedListener {
 		constructor(public owner: DatePicker) {
 			super();
-
-			return global.__native(this);
 		}
 
 		onDateChanged(picker: android.widget.DatePicker, year: number, month: number, day: number) {

diff --git a/packages/core/ui/editable-text-base/index.android.ts b/packages/core/ui/editable-text-base/index.android.ts
@@ -55,8 +55,6 @@ function initializeEditTextListeners(): void {
 	class EditTextListenersImpl extends java.lang.Object implements android.text.TextWatcher, android.view.View.OnFocusChangeListener, android.widget.TextView.OnEditorActionListener {
 		constructor(private owner: WeakRef<EditableTextBase>) {
 			super();
-
-			return global.__native(this);
 		}
 
 		public beforeTextChanged(text: string, start: number, count: number, after: number): void {

diff --git a/packages/core/ui/frame/fragment.transitions.android.ts b/packages/core/ui/frame/fragment.transitions.android.ts
@@ -225,8 +225,6 @@ function getAnimationListener(): android.animation.Animator.AnimatorListener {
 		class AnimationListenerImpl extends java.lang.Object implements android.animation.Animator.AnimatorListener {
 			constructor() {
 				super();
-
-				return global.__native(this);
 			}
 
 			onAnimationStart(animator: ExpandedAnimator): void {
@@ -371,8 +369,6 @@ function getTransitionListener(entry: ExpandedEntry, transition: androidx.transi
 				public transition: androidx.transition.Transition,
 			) {
 				super();
-
-				return global.__native(this);
 			}
 
 			public onTransitionStart(transition: androidx.transition.Transition): void {

diff --git a/packages/core/ui/gestures/index.android.ts b/packages/core/ui/gestures/index.android.ts
@@ -50,8 +50,6 @@ function initializeTapAndDoubleTapGestureListener() {
 			this._observer = observer;
 			this._target = target;
 			this._type = type;
-
-			return global.__native(this);
 		}
 
 		public onSingleTapUp(motionEvent: android.view.MotionEvent): boolean {
@@ -129,8 +127,6 @@ function initializePinchGestureListener() {
 
 			this._observer = observer;
 			this._target = target;
-
-			return global.__native(this);
 		}
 
 		public onScaleBegin(detector: android.view.ScaleGestureDetector): boolean {
@@ -182,8 +178,6 @@ function initializeSwipeGestureListener() {
 
 			this._observer = observer;
 			this._target = target;
-
-			return global.__native(this);
 		}
 
 		public onDown(motionEvent: android.view.MotionEvent): boolean {

diff --git a/packages/core/ui/image-cache/index.android.ts b/packages/core/ui/image-cache/index.android.ts
@@ -11,8 +11,6 @@ function ensureLruBitmapCacheClass() {
 	class LruBitmapCache extends android.util.LruCache<string, android.graphics.Bitmap> {
 		constructor(cacheSize: number) {
 			super(cacheSize);
-
-			return global.__native(this);
 		}
 
 		public sizeOf(key: string, bitmap: android.graphics.Bitmap): number {

diff --git a/packages/core/ui/image/index.android.ts b/packages/core/ui/image/index.android.ts
@@ -29,8 +29,6 @@ function initializeImageLoadedListener() {
 	class ImageLoadedListenerImpl extends java.lang.Object implements org.nativescript.widgets.image.Worker.OnImageLoadedListener {
 		constructor(public owner: Image) {
 			super();
-
-			return global.__native(this);
 		}
 
 		public handlesImageUpdate(): boolean {

diff --git a/packages/core/ui/list-picker/index.android.ts b/packages/core/ui/list-picker/index.android.ts
@@ -26,8 +26,6 @@ function initializeNativeClasses(): void {
 	class FormatterImpl extends java.lang.Object implements android.widget.NumberPicker.Formatter {
 		constructor(private owner: ListPicker) {
 			super();
-
-			return global.__native(this);
 		}
 
 		format(index: number): string {
@@ -40,8 +38,6 @@ function initializeNativeClasses(): void {
 	class ValueChangeListenerImpl extends java.lang.Object implements android.widget.NumberPicker.OnValueChangeListener {
 		constructor(private owner: ListPicker) {
 			super();
-
-			return global.__native(this);
 		}
 
 		onValueChange(picker: android.widget.NumberPicker, oldValue: number, newValue: number): void {

diff --git a/packages/core/ui/list-view/index.android.ts b/packages/core/ui/list-view/index.android.ts
@@ -43,8 +43,6 @@ function initializeItemClickListener(): void {
 	class ItemClickListenerImpl extends java.lang.Object implements android.widget.AdapterView.OnItemClickListener {
 		constructor(public owner: ListView) {
 			super();
-
-			return global.__native(this);
 		}
 
 		onItemClick<T extends android.widget.Adapter>(parent: android.widget.AdapterView<T>, convertView: android.view.View, index: number, id: number) {
@@ -846,8 +844,6 @@ function ensureListViewAdapterClass() {
 	class ListViewAdapter extends android.widget.BaseAdapter {
 		constructor(public owner: ListView) {
 			super();
-
-			return global.__native(this);
 		}
 
 		public getCount() {

diff --git a/packages/core/ui/search-bar/index.android.ts b/packages/core/ui/search-bar/index.android.ts
@@ -32,9 +32,6 @@ function initializeNativeClasses(): void {
 	class CompatQueryTextListenerImpl extends java.lang.Object implements androidx.appcompat.widget.SearchView.OnQueryTextListener {
 		constructor(private owner: SearchBar) {
 			super();
-
-			// @ts-ignore
-			return global.__native(this);
 		}
 
 		onQueryTextChange(newText: string): boolean {
@@ -70,9 +67,6 @@ function initializeNativeClasses(): void {
 	class CompatCloseListenerImpl extends java.lang.Object implements androidx.appcompat.widget.SearchView.OnCloseListener {
 		constructor(private owner: SearchBar) {
 			super();
-
-			// @ts-ignore
-			return global.__native(this);
 		}
 
 		onClose(): boolean {

diff --git a/packages/core/ui/segmented-bar/index.android.ts b/packages/core/ui/segmented-bar/index.android.ts
@@ -47,8 +47,6 @@ function initializeNativeClasses(): void {
 	class TabChangeListenerImpl extends java.lang.Object implements android.widget.TabHost.OnTabChangeListener {
 		constructor(public owner: SegmentedBar) {
 			super();
-
-			return global.__native(this);
 		}
 
 		onTabChanged(id: string): void {
@@ -69,8 +67,6 @@ function initializeNativeClasses(): void {
 	class TabContentFactoryImpl extends java.lang.Object implements android.widget.TabHost.TabContentFactory {
 		constructor(public owner: SegmentedBar) {
 			super();
-
-			return global.__native(this);
 		}
 
 		createTabContent(tag: string): android.view.View {
@@ -92,8 +88,6 @@ function initializeNativeClasses(): void {
 	class TabHostImpl extends android.widget.TabHost {
 		constructor(context: android.content.Context, attrs: android.util.AttributeSet) {
 			super(context, attrs);
-
-			return global.__native(this);
 		}
 
 		public onAttachedToWindow(): void {

diff --git a/packages/core/ui/slider/index.android.ts b/packages/core/ui/slider/index.android.ts
@@ -21,8 +21,6 @@ function initializeListenerClass(): void {
 		class SeekBarChangeListenerImpl extends java.lang.Object implements android.widget.SeekBar.OnSeekBarChangeListener {
 			constructor() {
 				super();
-
-				return global.__native(this);
 			}
 
 			onProgressChanged(seekBar: OwnerSeekBar, progress: number, fromUser: boolean): void {

diff --git a/packages/core/ui/switch/index.android.ts b/packages/core/ui/switch/index.android.ts
@@ -21,8 +21,6 @@ function initializeCheckedChangeListener(): void {
 	class CheckedChangeListenerImpl extends java.lang.Object implements android.widget.CompoundButton.OnCheckedChangeListener {
 		constructor(private owner: Switch) {
 			super();
-
-			return global.__native(this);
 		}
 
 		onCheckedChanged(buttonView: android.widget.CompoundButton, isChecked: boolean): void {

diff --git a/packages/core/ui/tab-view/index.android.ts b/packages/core/ui/tab-view/index.android.ts
@@ -56,8 +56,6 @@ function initializeNativeClasses() {
 
 		constructor() {
 			super();
-
-			return global.__native(this);
 		}
 
 		static newInstance(tabId: number, index: number): TabFragmentImplementation {
@@ -158,8 +156,6 @@ function initializeNativeClasses() {
 
 		constructor(private owner: WeakRef<TabView>) {
 			super();
-
-			return global.__native(this);
 		}
 
 		getCount() {