From 33b9d81eee0efad2fe1a277d5e380589b28d00a8 Mon Sep 17 00:00:00 2001
From: Damyan Ivanov <dam+mobileledger@ktnx.net>
Date: Sun, 22 Dec 2019 09:13:32 +0200
Subject: [PATCH] use getViewLifecycleOwner when observing LiveData from
 fragments

---
 .../ui/account_summary/AccountSummaryFragment.java         | 5 +++--
 .../mobileledger/ui/activity/NewTransactionFragment.java   | 4 ++--
 .../ui/transaction_list/TransactionListFragment.java       | 7 ++++---
 3 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/account_summary/AccountSummaryFragment.java b/app/src/main/java/net/ktnx/mobileledger/ui/account_summary/AccountSummaryFragment.java
index bb484929..6482dfd1 100644
--- a/app/src/main/java/net/ktnx/mobileledger/ui/account_summary/AccountSummaryFragment.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/account_summary/AccountSummaryFragment.java
@@ -54,7 +54,8 @@ public class AccountSummaryFragment extends MobileLedgerListFragment {
         debug("flow", "AccountSummaryFragment.onCreate()");
         setHasOptionsMenu(true);
 
-        Data.backgroundTasksRunning.observe(this, this::onBackgroundTaskRunningChanged);
+        Data.backgroundTasksRunning.observe(this.getViewLifecycleOwner(),
+                this::onBackgroundTaskRunningChanged);
     }
     public void onAttach(@NotNull Context context) {
         super.onAttach(context);
@@ -93,7 +94,7 @@ public class AccountSummaryFragment extends MobileLedgerListFragment {
         manageFabOnScroll();
 
         swiper = mActivity.findViewById(R.id.account_swiper);
-        Colors.themeWatch.observe(this, this::themeChanged);
+        Colors.themeWatch.observe(getViewLifecycleOwner(), this::themeChanged);
         swiper.setOnRefreshListener(() -> {
             debug("ui", "refreshing accounts via swipe");
             Data.scheduleTransactionListRetrieval(mActivity);
diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionFragment.java b/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionFragment.java
index 5cbbab71..54c55fa5 100644
--- a/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionFragment.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionFragment.java
@@ -98,7 +98,7 @@ public class NewTransactionFragment extends Fragment {
         listAdapter = new NewTransactionItemsAdapter(viewModel, mProfile);
         list.setAdapter(listAdapter);
         list.setLayoutManager(new LinearLayoutManager(activity));
-        Data.profile.observe(this, profile -> {
+        Data.profile.observe(getViewLifecycleOwner(), profile -> {
             mProfile = profile;
             listAdapter.setProfile(profile);
         });
@@ -142,7 +142,7 @@ public class NewTransactionFragment extends Fragment {
         }).attachToRecyclerView(list);
 
         viewModel.isSubmittable()
-                 .observe(this, isSubmittable -> {
+                 .observe(getViewLifecycleOwner(), isSubmittable -> {
                      if (isSubmittable) {
                          if (fab != null) {
                              fab.show();
diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java b/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java
index 8de45dce..d71c0b41 100644
--- a/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java
@@ -56,7 +56,8 @@ public class TransactionListFragment extends MobileLedgerListFragment {
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setHasOptionsMenu(true);
-        Data.backgroundTasksRunning.observe(this, this::onBackgroundTaskRunningChanged);
+        Data.backgroundTasksRunning.observe(getViewLifecycleOwner(),
+                this::onBackgroundTaskRunningChanged);
     }
     @Override
     public void onAttach(@NotNull Context context) {
@@ -111,7 +112,7 @@ public class TransactionListFragment extends MobileLedgerListFragment {
             Data.scheduleTransactionListRetrieval(mActivity);
         });
 
-        Colors.themeWatch.observe(this, this::themeChanged);
+        Colors.themeWatch.observe(getViewLifecycleOwner(), this::themeChanged);
 
         vAccountFilter = mActivity.findViewById(R.id.transaction_list_account_name_filter);
         accNameFilter = mActivity.findViewById(R.id.transaction_filter_account_name);
@@ -124,7 +125,7 @@ public class TransactionListFragment extends MobileLedgerListFragment {
             Globals.hideSoftKeyboard(mActivity);
         });
 
-        Data.accountFilter.observe(this, this::onAccountNameFilterChanged);
+        Data.accountFilter.observe(getViewLifecycleOwner(), this::onAccountNameFilterChanged);
 
         TransactionListViewModel.updating.addObserver(
                 (o, arg) -> swiper.setRefreshing(TransactionListViewModel.updating.get()));
-- 
2.39.5