Mark all inbox messages as read when leaving the inbox

src/main/assets/changelog-alpha.txt

@@ -1,6 +1,7 @@
 /Alpha 360 (2025-04-21)
 Added video frame step controls (thanks to ecawthorne and japanesephundroid)
 Make floating toolbar buttons respond to left handed mode (thanks to ecawthorne)
+Added option to mark all messages read when leaving inbox (thanks to folkemat)
 
 /Alpha 359 (2025-04-20)
 Added support for emotes in comment flairs (thanks to bharatknv)

src/main/assets/changelog.txt

@@ -3,6 +3,7 @@ Added video playback speed control (thanks to folkemat)
 Added video frame step controls (thanks to ecawthorne and japanesephundroid)
 Added support for emotes in comment flairs (thanks to bharatknv)
 Show label on crossposts, and add "Go to Crosspost Origin" to post menu (thanks to folkemat)
+Added option to mark all messages read when leaving inbox (thanks to folkemat)
 Added "Mark as Read/Unread" fling action, and optional post menu item (thanks to JoshAusHessen and codeofdusk)
 Added preference to prevent posts being marked as read when clicked (thanks to Daniel Ho)
 Remove random subreddit feature which is no longer supported by Reddit (thanks to Mark Yu)

src/main/java/org/quantumbadger/redreader/activities/InboxListingActivity.java

@@ -82,13 +82,16 @@ public final class InboxListingActivity extends ViewsBaseActivity {
 
 	private static final int OPTIONS_MENU_MARK_ALL_AS_READ = 0;
 	private static final int OPTIONS_MENU_SHOW_UNREAD_ONLY = 1;
+	private static final int OPTIONS_MENU_MARK_INBOX_AS_READ_WHEN_BACK = 2;
 
 	public enum InboxType {
 		INBOX, SENT, MODMAIL
 	}
 
 	private static final String PREF_ONLY_UNREAD = "inbox_only_show_unread";
 
+	private static final String PREF_MARK_INBOX_READ_BACK = "inbox_mark_as_read_when_back";
+
 	private GroupedRecyclerViewAdapter adapter;
 
 	private LoadingView loadingView;
@@ -99,6 +102,10 @@ public enum InboxType {
 	private InboxType inboxType;
 	private boolean mOnlyShowUnread;
 
+	private boolean mMarkInboxAsReadWhenBack;
+
+	private boolean mUserWantsBack = false;
+
 	private RRThemeAttributes mTheme;
 	private RedditChangeDataManager mChangeDataManager;
 
@@ -186,6 +193,8 @@ public void onCreate(final Bundle savedInstanceState) {
 
 		mOnlyShowUnread = sharedPreferences.getBoolean(PREF_ONLY_UNREAD, false);
 
+		mMarkInboxAsReadWhenBack = sharedPreferences.getBoolean(PREF_MARK_INBOX_READ_BACK, false);
+
 		switch(inboxType) {
 			case SENT:
 				title = getString(R.string.mainmenu_sent_messages);
@@ -424,9 +433,46 @@ public void onFailure(@NonNull final RRError error) {
 		cm.makeRequest(request);
 	}
 
+	private void markInboxAsRead() {
+		RedditAPI.markAllAsRead(
+				CacheManager.getInstance(this),
+				new APIResponseHandler.ActionResponseHandler(this) {
+					@Override
+					protected void onSuccess() {
+						if (!mUserWantsBack) { //Don't annoy the user
+							General.quickToast(
+									context,
+									R.string.mark_all_as_read_success);
+						}
+					}
+
+					@Override
+					protected void onCallbackException(final Throwable t) {
+						BugReportActivity.addGlobalError(new RRError(
+								"Mark all as Read failed",
+								"Callback exception",
+								true,
+								t));
+					}
+
+					@Override
+					protected void onFailure(@NonNull final RRError error) {
+						if (!mUserWantsBack) { //Don't annoy the user
+							General.showResultDialog(
+									InboxListingActivity.this,
+									error);
+						}
+					}
+				},
+				RedditAccountManager.getInstance(this).getDefaultAccount(),
+				this);
+	}
+
 	@Override
 	public void onBackPressed() {
 		if(General.onBackPressed()) {
+			mUserWantsBack = true;
+			markInboxAsRead();
 			super.onBackPressed();
 		}
 	}
@@ -439,48 +485,40 @@ public boolean onCreateOptionsMenu(final Menu menu) {
 
 		menu.add(0, OPTIONS_MENU_MARK_ALL_AS_READ, 0, R.string.mark_all_as_read);
 		menu.add(0, OPTIONS_MENU_SHOW_UNREAD_ONLY, 1, R.string.inbox_unread_only);
+		menu.add(0, OPTIONS_MENU_MARK_INBOX_AS_READ_WHEN_BACK,
+				2, R.string.mark_inbox_as_read_when_back);
 		menu.getItem(1).setCheckable(true);
 		if(mOnlyShowUnread) {
 			menu.getItem(1).setChecked(true);
 		}
+		menu.getItem(2).setCheckable(true);
+		if(mMarkInboxAsReadWhenBack) {
+			menu.getItem(2).setChecked(true);
+		}
 		return super.onCreateOptionsMenu(menu);
 	}
 
 	@Override
 	public boolean onOptionsItemSelected(final MenuItem item) {
 		switch(item.getItemId()) {
 			case OPTIONS_MENU_MARK_ALL_AS_READ:
-				RedditAPI.markAllAsRead(
-						CacheManager.getInstance(this),
-						new APIResponseHandler.ActionResponseHandler(this) {
-							@Override
-							protected void onSuccess() {
-								General.quickToast(
-										context,
-										R.string.mark_all_as_read_success);
-							}
+				markInboxAsRead();
+				return true;
 
-							@Override
-							protected void onCallbackException(final Throwable t) {
-								BugReportActivity.addGlobalError(new RRError(
-										"Mark all as Read failed",
-										"Callback exception",
-										true,
-										t));
-							}
+			case OPTIONS_MENU_MARK_INBOX_AS_READ_WHEN_BACK: {
 
-							@Override
-							protected void onFailure(@NonNull final RRError error) {
-								General.showResultDialog(
-										InboxListingActivity.this,
-										error);
-							}
-						},
-						RedditAccountManager.getInstance(this).getDefaultAccount(),
-						this);
+				final boolean enabled = !item.isChecked();
 
-				return true;
+				item.setChecked(enabled);
+				mMarkInboxAsReadWhenBack = enabled;
 
+				General.getSharedPrefs(this)
+						.edit()
+						.putBoolean(PREF_MARK_INBOX_READ_BACK, enabled)
+						.apply();
+
+				return true;
+			}
 			case OPTIONS_MENU_SHOW_UNREAD_ONLY: {
 
 				final boolean enabled = !item.isChecked();

src/main/res/values/strings.xml

@@ -1918,4 +1918,6 @@
 	<string name="pref_behaviour_video_frame_step_title">Enable stepping frame by frame</string>
 	<string name="pref_behaviour_video_frame_step_key" translatable="false">pref_behaviour_video_frame_step</string>
 
+	<!-- 2025-04-21 -->
+	<string name="mark_inbox_as_read_when_back">Read all when leaving</string>
 </resources>