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fix: check is disposed fragment is in the FragmentManager (#8201)

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This commit is contained in:
Alexander Vakrilov
2019-12-17 12:04:32 +02:00
committed by GitHub
parent d1858f81b7
commit 4b00376957
3 changed files with 15 additions and 10 deletions
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2
nativescript-core/ui/core/view/view.android.ts
View File

@ -155,6 +155,8 @@ function initializeDialogFragment() {
const ownerId = this.getArguments().getInt(DOMID);
const options = getModalOptions(ownerId);
this.owner = options.owner;
// Set owner._dialogFragment to this in case the DialogFragment was recreated after app suspend
this.owner._dialogFragment = this;
this._fullscreen = options.fullscreen;
this._animated = options.animated;
this._cancelable = options.cancelable;

19
nativescript-core/ui/frame/frame.android.ts
View File

@ -264,13 +264,13 @@ export class Frame extends FrameBase {
!this._currentEntry.fragment.isAdded()) {
return;
}
const fragment: androidx.fragment.app.Fragment = this._currentEntry.fragment;
const fragmentManager: androidx.fragment.app.FragmentManager = fragment.getFragmentManager();
const manager: androidx.fragment.app.FragmentManager = this._getFragmentManager();
const transaction = manager.beginTransaction();
const fragment = this._currentEntry.fragment;
const transaction = fragmentManager.beginTransaction();
const fragmentExitTransition = fragment.getExitTransition();
// Reset animation to its initial state to prevent mirrorered effect when restore current fragment transitions
// Reset animation to its initial state to prevent mirrored effect when restore current fragment transitions
if (fragmentExitTransition && fragmentExitTransition instanceof org.nativescript.widgets.CustomTransition) {
fragmentExitTransition.setResetOnTransitionEnd(true);
}
@ -637,7 +637,7 @@ function clearEntry(entry: BackstackEntry): void {
entry.recreated = false;
entry.fragment = null;
const page = entry.resolvedPage;
if (page._context) {
if (page && page._context) {
entry.resolvedPage._tearDownUI(true);
}
}
@ -1032,6 +1032,12 @@ class FragmentCallbacksImplementation implements AndroidFragmentCallbacks {
}
private loadBitmapFromView(view: android.view.View): android.graphics.Bitmap {
// Don't try to creat bitmaps with no dimensions as this causes a crash
// This might happen when showing and closing dialogs fast.
if (!(view && view.getWidth() > 0 && view.getHeight() > 0)) {
return undefined;
}
// Another way to get view bitmap. Test performance vs setDrawingCacheEnabled
// const width = view.getWidth();
// const height = view.getHeight();
@ -1041,7 +1047,8 @@ class FragmentCallbacksImplementation implements AndroidFragmentCallbacks {
// view.draw(canvas);
view.setDrawingCacheEnabled(true);
const bitmap = android.graphics.Bitmap.createBitmap(view.getDrawingCache());
const drawCache = view.getDrawingCache();
const bitmap = android.graphics.Bitmap.createBitmap(drawCache);
view.setDrawingCacheEnabled(false);
return bitmap;

4
nativescript-core/utils/utils.ios.ts
View File

@ -6,8 +6,6 @@ import {
export { ios };
export * from "./utils-common";
let mainScreenScale;
export function openFile(filePath: string): boolean {
try {
const appPath = ios.getCurrentAppPath();
@ -47,5 +45,3 @@ export function openUrl(location: string): boolean {
return false;
}
mainScreenScale = UIScreen.mainScreen.scale;