NativeScript/nativescript-core/ui/frame/fragment.android.ts

import {
	AndroidFragmentCallbacks,
	setFragmentCallbacks,
	setFragmentClass,
} from "./frame";

@JavaProxy("com.tns.FragmentClass")
class FragmentClass extends org.nativescript.widgets.FragmentBase {
	// This field is updated in the frame module upon `new` (although hacky this eases the Fragment->callbacks association a lot)
	private _callbacks: AndroidFragmentCallbacks;

	constructor() {
		super();

		return global.__native(this);
	}

	public onHiddenChanged(hidden: boolean): void {
		this._callbacks.onHiddenChanged(this, hidden, super.onHiddenChanged);
	}

	public onCreateAnimator(
		transit: number,
		enter: boolean,
		nextAnim: number
	): android.animation.Animator {
		return this._callbacks.onCreateAnimator(
			this,
			transit,
			enter,
			nextAnim,
			super.onCreateAnimator
		);
	}

	public onStop(): void {
		this._callbacks.onStop(this, super.onStop);
	}

	public onPause(): void {
		this._callbacks.onPause(this, super.onStop);
	}

	public onCreate(savedInstanceState: android.os.Bundle) {
		if (!this._callbacks) {
			setFragmentCallbacks(this);
		}

		this.setHasOptionsMenu(true);
		this._callbacks.onCreate(this, savedInstanceState, super.onCreate);
	}

	public onCreateView(
		inflater: android.view.LayoutInflater,
		container: android.view.ViewGroup,
		savedInstanceState: android.os.Bundle
	) {
		let result = this._callbacks.onCreateView(
			this,
			inflater,
			container,
			savedInstanceState,
			super.onCreateView
		);

		return result;
	}

	public onSaveInstanceState(outState: android.os.Bundle) {
		this._callbacks.onSaveInstanceState(
			this,
			outState,
			super.onSaveInstanceState
		);
	}

	public onDestroyView() {
		this._callbacks.onDestroyView(this, super.onDestroyView);
	}

	public onDestroy() {
		this._callbacks.onDestroy(this, super.onDestroy);
	}

	public toString(): string {
		const callbacks = this._callbacks;
		if (callbacks) {
			return callbacks.toStringOverride(this, super.toString);
		} else {
			super.toString();
		}
	}
}

setFragmentClass(FragmentClass);