Examples with ViewModelProvider androidx.lifecycle.ViewModelProvider used on opensource projects

Example 91 with ViewModelProvider

use of androidx.lifecycle.ViewModelProvider in project Signal-Android by WhisperSystems.

the class ConversationFragment method onCreateView.

@Override
public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle bundle) {
    final View view = inflater.inflate(R.layout.conversation_fragment, container, false);
    videoContainer = view.findViewById(R.id.video_container);
    list = view.findViewById(android.R.id.list);
    composeDivider = view.findViewById(R.id.compose_divider);
    layoutTransition = new LayoutTransition();
    transitionListener = new TransitionListener(list);
    scrollToBottomButton = view.findViewById(R.id.scroll_to_bottom);
    scrollToMentionButton = view.findViewById(R.id.scroll_to_mention);
    scrollDateHeader = view.findViewById(R.id.scroll_date_header);
    toolbarShadow = requireActivity().findViewById(R.id.conversation_toolbar_shadow);
    reactionsShade = view.findViewById(R.id.reactions_shade);
    bottomActionBar = view.findViewById(R.id.conversation_bottom_action_bar);
    final LinearLayoutManager layoutManager = new SmoothScrollingLinearLayoutManager(getActivity(), true);
    final ConversationItemAnimator conversationItemAnimator = new ConversationItemAnimator(() -> {
        ConversationAdapter adapter = getListAdapter();
        if (adapter == null) {
            return false;
        } else {
            return Util.hasItems(adapter.getSelectedItems());
        }
    }, () -> conversationViewModel.shouldPlayMessageAnimations() && list.getScrollState() == RecyclerView.SCROLL_STATE_IDLE, () -> list.canScrollVertically(1) || list.canScrollVertically(-1));
    multiselectItemDecoration = new MultiselectItemDecoration(requireContext(), () -> conversationViewModel.getWallpaper().getValue());
    list.setHasFixedSize(false);
    list.setLayoutManager(layoutManager);
    RecyclerViewColorizer recyclerViewColorizer = new RecyclerViewColorizer(list);
    list.addItemDecoration(multiselectItemDecoration);
    list.setItemAnimator(conversationItemAnimator);
    getViewLifecycleOwner().getLifecycle().addObserver(multiselectItemDecoration);
    snapToTopDataObserver = new ConversationSnapToTopDataObserver(list, new ConversationScrollRequestValidator());
    conversationBanner = (ConversationBannerView) inflater.inflate(R.layout.conversation_item_banner, container, false);
    topLoadMoreView = (ViewSwitcher) inflater.inflate(R.layout.load_more_header, container, false);
    bottomLoadMoreView = (ViewSwitcher) inflater.inflate(R.layout.load_more_header, container, false);
    initializeLoadMoreView(topLoadMoreView);
    initializeLoadMoreView(bottomLoadMoreView);
    typingView = (ConversationTypingView) inflater.inflate(R.layout.conversation_typing_view, container, false);
    new ConversationItemSwipeCallback(conversationMessage -> actionMode == null && MenuState.canReplyToMessage(recipient.get(), MenuState.isActionMessage(conversationMessage.getMessageRecord()), conversationMessage.getMessageRecord(), messageRequestViewModel.shouldShowMessageRequest(), groupViewModel.isNonAdminInAnnouncementGroup()), this::handleReplyMessage).attachToRecyclerView(list);
    giphyMp4ProjectionRecycler = initializeGiphyMp4();
    this.groupViewModel = new ViewModelProvider(getParentFragment(), new ConversationGroupViewModel.Factory()).get(ConversationGroupViewModel.class);
    this.messageCountsViewModel = new ViewModelProvider(getParentFragment()).get(MessageCountsViewModel.class);
    this.conversationViewModel = new ViewModelProvider(getParentFragment(), new ConversationViewModel.Factory()).get(ConversationViewModel.class);
    conversationViewModel.getChatColors().observe(getViewLifecycleOwner(), recyclerViewColorizer::setChatColors);
    conversationViewModel.getMessages().observe(getViewLifecycleOwner(), messages -> {
        ConversationAdapter adapter = getListAdapter();
        if (adapter != null) {
            getListAdapter().submitList(messages, () -> {
                list.post(() -> conversationViewModel.onMessagesCommitted(messages));
            });
        }
    });
    conversationViewModel.getConversationMetadata().observe(getViewLifecycleOwner(), this::presentConversationMetadata);
    conversationViewModel.getShowMentionsButton().observe(getViewLifecycleOwner(), shouldShow -> {
        if (shouldShow) {
            ViewUtil.animateIn(scrollToMentionButton, mentionButtonInAnimation);
        } else {
            ViewUtil.animateOut(scrollToMentionButton, mentionButtonOutAnimation, View.INVISIBLE);
        }
    });
    conversationViewModel.getShowScrollToBottom().observe(getViewLifecycleOwner(), shouldShow -> {
        if (shouldShow) {
            ViewUtil.animateIn(scrollToBottomButton, scrollButtonInAnimation);
        } else {
            ViewUtil.animateOut(scrollToBottomButton, scrollButtonOutAnimation, View.INVISIBLE);
        }
    });
    scrollToBottomButton.setOnClickListener(v -> scrollToBottom());
    scrollToMentionButton.setOnClickListener(v -> scrollToNextMention());
    updateToolbarDependentMargins();
    colorizer = new Colorizer();
    conversationViewModel.getNameColorsMap().observe(getViewLifecycleOwner(), nameColorsMap -> {
        colorizer.onNameColorsChanged(nameColorsMap);
        ConversationAdapter adapter = getListAdapter();
        if (adapter != null) {
            adapter.notifyItemRangeChanged(0, adapter.getItemCount(), ConversationAdapter.PAYLOAD_NAME_COLORS);
        }
    });
    conversationUpdateTick = new ConversationUpdateTick(this::updateConversationItemTimestamps);
    getViewLifecycleOwner().getLifecycle().addObserver(conversationUpdateTick);
    listener.getVoiceNoteMediaController().getVoiceNotePlayerViewState().observe(getViewLifecycleOwner(), state -> conversationViewModel.setInlinePlayerVisible(state.isPresent()));
    conversationViewModel.getConversationTopMargin().observe(getViewLifecycleOwner(), topMargin -> {
        lastSeenScrollOffset = topMargin;
        ViewUtil.setTopMargin(scrollDateHeader, topMargin + ViewUtil.dpToPx(8));
    });
    conversationViewModel.getActiveNotificationProfile().observe(getViewLifecycleOwner(), this::updateNotificationProfileStatus);
    initializeScrollButtonAnimations();
    initializeResources();
    initializeMessageRequestViewModel();
    initializeListAdapter();
    conversationViewModel.getSearchQuery().observe(getViewLifecycleOwner(), this::onSearchQueryUpdated);
    return view;
}

Example 92 with ViewModelProvider

use of androidx.lifecycle.ViewModelProvider in project bitcoin-wallet by bitcoin-wallet.

the class WalletAddressDialogFragment method onCreate.

@Override
public void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    log.info("opening dialog {}", getClass().getName());
    viewModel = new ViewModelProvider(getParentFragment()).get(WalletAddressViewModel.class);
    viewModel.qrCode.observe(this, qrCode -> {
        final BitmapDrawable qrDrawable = new BitmapDrawable(getResources(), qrCode);
        qrDrawable.setFilterBitmap(false);
        imageView.setImageDrawable(qrDrawable);
    });
    viewModel.currentAddress.observe(this, currentAddress -> {
        final CharSequence label = WalletUtils.formatAddress(currentAddress, Constants.ADDRESS_FORMAT_GROUP_SIZE, Constants.ADDRESS_FORMAT_LINE_SIZE);
        labelView.setText(label);
    });
}

Example 93 with ViewModelProvider

use of androidx.lifecycle.ViewModelProvider in project bitcoin-wallet by bitcoin-wallet.

the class AddressBookActivity method onCreate.

@Override
protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    final FragmentManager fragmentManager = getSupportFragmentManager();
    setContentView(R.layout.address_book_content);
    final ViewPager2 pager = findViewById(R.id.address_book_pager);
    final ViewPagerTabs pagerTabs = findViewById(R.id.address_book_pager_tabs);
    pagerTabs.addTabLabels(TAB_LABELS);
    final boolean twoPanes = getResources().getBoolean(R.bool.address_book_two_panes);
    walletActivityViewModel = new ViewModelProvider(this).get(AbstractWalletActivityViewModel.class);
    walletActivityViewModel.wallet.observe(this, wallet -> invalidateOptionsMenu());
    viewModel = new ViewModelProvider(this).get(AddressBookViewModel.class);
    viewModel.pageTo.observe(this, new Event.Observer<Integer>() {

        @Override
        protected void onEvent(final Integer position) {
            if (!twoPanes)
                pager.setCurrentItem(position, true);
        }
    });
    viewModel.showEditAddressBookEntryDialog.observe(this, new Event.Observer<Address>() {

        @Override
        protected void onEvent(final Address address) {
            EditAddressBookEntryFragment.edit(fragmentManager, address);
        }
    });
    viewModel.showScanOwnAddressDialog.observe(this, new Event.Observer<Void>() {

        @Override
        protected void onEvent(final Void v) {
            final DialogBuilder dialog = DialogBuilder.dialog(AddressBookActivity.this, R.string.address_book_options_scan_title, R.string.address_book_options_scan_own_address);
            dialog.singleDismissButton(null);
            dialog.show();
        }
    });
    viewModel.showScanInvalidDialog.observe(this, new Event.Observer<Void>() {

        @Override
        protected void onEvent(final Void v) {
            final DialogBuilder dialog = DialogBuilder.dialog(AddressBookActivity.this, R.string.address_book_options_scan_title, R.string.address_book_options_scan_invalid);
            dialog.singleDismissButton(null);
            dialog.show();
        }
    });
    if (twoPanes) {
        final RecyclerView recyclerView = (RecyclerView) pager.getChildAt(0);
        recyclerView.setClipToPadding(false);
        recyclerView.getViewTreeObserver().addOnGlobalLayoutListener(() -> {
            final int width = recyclerView.getWidth();
            recyclerView.setPadding(0, 0, width / 2, 0);
            pager.setCurrentItem(0);
        });
        pager.setUserInputEnabled(false);
        pagerTabs.setMode(ViewPagerTabs.Mode.STATIC);
    } else {
        pager.setPageTransformer(new ZoomOutPageTransformer());
        pager.registerOnPageChangeCallback(pagerTabs.getPageChangeCallback());
        pagerTabs.setMode(ViewPagerTabs.Mode.DYNAMIC);
    }
    pager.setOffscreenPageLimit(1);
    pager.setAdapter(new AddressBookActivity.PagerAdapter());
}

Example 94 with ViewModelProvider

use of androidx.lifecycle.ViewModelProvider in project bitcoin-wallet by bitcoin-wallet.

the class WalletTransactionsFragment method onCreate.

@Override
public void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    this.fragmentManager = getChildFragmentManager();
    setHasOptionsMenu(true);
    activityViewModel = new ViewModelProvider(activity).get(WalletActivityViewModel.class);
    viewModel = new ViewModelProvider(this).get(WalletTransactionsViewModel.class);
    viewModel.direction.observe(this, direction -> activity.invalidateOptionsMenu());
    viewModel.transactions.observe(this, transactions -> {
        if (transactions.isEmpty()) {
            viewGroup.setDisplayedChild(0);
            final WalletTransactionsViewModel.Direction direction = viewModel.direction.getValue();
            final WarningType warning = viewModel.warning.getValue();
            final SpannableStringBuilder emptyText = new SpannableStringBuilder(getString(direction == WalletTransactionsViewModel.Direction.SENT ? R.string.wallet_transactions_fragment_empty_text_sent : R.string.wallet_transactions_fragment_empty_text_received));
            emptyText.setSpan(new StyleSpan(Typeface.BOLD), 0, emptyText.length(), SpannableStringBuilder.SPAN_POINT_MARK);
            if (direction != WalletTransactionsViewModel.Direction.SENT)
                emptyText.append("\n\n").append(getString(R.string.wallet_transactions_fragment_empty_text_howto));
            if (warning == WarningType.BACKUP) {
                final int start = emptyText.length();
                emptyText.append("\n\n").append(getString(R.string.wallet_transactions_fragment_empty_remind_backup));
                emptyText.setSpan(new StyleSpan(Typeface.BOLD), start, emptyText.length(), SpannableStringBuilder.SPAN_POINT_MARK);
            }
            emptyView.setText(emptyText);
        } else {
            viewGroup.setDisplayedChild(1);
        }
    });
    viewModel.selectedTransaction.observe(this, transactionId -> {
        adapter.setSelectedTransaction(transactionId);
        final int position = adapter.positionOf(transactionId);
        if (position != RecyclerView.NO_POSITION)
            recyclerView.smoothScrollToPosition(position);
    });
    viewModel.list.observe(this, listItems -> {
        adapter.submitList(listItems);
        activityViewModel.transactionsLoadingFinished();
    });
    viewModel.showBitmapDialog.observe(this, new Event.Observer<Bitmap>() {

        @Override
        protected void onEvent(final Bitmap bitmap) {
            BitmapFragment.show(fragmentManager, bitmap);
        }
    });
    viewModel.showEditAddressBookEntryDialog.observe(this, new Event.Observer<Address>() {

        @Override
        protected void onEvent(final Address address) {
            EditAddressBookEntryFragment.edit(fragmentManager, address);
        }
    });
    viewModel.showReportIssueDialog.observe(this, new Event.Observer<Sha256Hash>() {

        @Override
        protected void onEvent(final Sha256Hash transactionHash) {
            ReportIssueDialogFragment.show(fragmentManager, R.string.report_issue_dialog_title_transaction, R.string.report_issue_dialog_message_issue, Constants.REPORT_SUBJECT_ISSUE, transactionHash);
        }
    });
    adapter = new TransactionsAdapter(activity, this, this);
}

Example 95 with ViewModelProvider

use of androidx.lifecycle.ViewModelProvider in project bitcoin-wallet by bitcoin-wallet.

the class BlockListFragment method onCreate.

@Override
public void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    walletActivityViewModel = new ViewModelProvider(activity).get(AbstractWalletActivityViewModel.class);
    walletActivityViewModel.wallet.observe(this, wallet -> maybeSubmitList());
    activityViewModel = new ViewModelProvider(activity).get(NetworkMonitorViewModel.class);
    activityViewModel.selectedItem.observe(this, item -> {
        if (item instanceof Sha256Hash) {
            final Sha256Hash blockHash = (Sha256Hash) item;
            adapter.setSelectedBlock(blockHash);
            final int position = adapter.positionOf(blockHash);
            if (position != RecyclerView.NO_POSITION)
                recyclerView.smoothScrollToPosition(position);
        } else {
            adapter.setSelectedBlock(null);
        }
    });
    viewModel = new ViewModelProvider(this).get(BlockListViewModel.class);
    viewModel.blocks.observe(this, blocks -> {
        maybeSubmitList();
        viewGroup.setDisplayedChild(1);
        viewModel.getTransactions().loadTransactions();
    });
    viewModel.getTransactions().observe(this, transactions -> maybeSubmitList());
    viewModel.getTime().observe(this, time -> maybeSubmitList());
    adapter = new BlockListAdapter(activity, this, this);
}