Re-add setting to open drawer when pressing back (#6355)

app/src/main/java/de/danoeh/antennapod/activity/MainActivity.java

@@ -493,7 +493,11 @@ public class MainActivity extends CastEnabledActivity {
             String toPage = UserPreferences.getDefaultPage();
             if (NavDrawerFragment.getLastNavFragment(this).equals(toPage)
                     || UserPreferences.DEFAULT_PAGE_REMEMBER.equals(toPage)) {
-                super.onBackPressed();
+                if (UserPreferences.backButtonOpensDrawer() && drawerLayout != null) {
+                    drawerLayout.openDrawer(navDrawer);
+                } else {
+                    super.onBackPressed();
+                }
             } else {
                 loadFragment(toPage, null);
             }

app/src/main/java/de/danoeh/antennapod/preferences/PreferenceUpgrader.java

@@ -133,5 +133,10 @@ public class PreferenceUpgrader {
                         "" + UserPreferences.EPISODE_CACHE_SIZE_UNLIMITED).apply();
             }
         }
+        if (oldVersion < 3000007) {
+            if (prefs.getString("prefBackButtonBehavior", "").equals("drawer")) {
+                prefs.edit().putBoolean(UserPreferences.PREF_BACK_OPENS_DRAWER, true).apply();
+            }
+        }
     }
 }

app/src/main/res/xml/preferences_user_interface.xml

@@ -88,6 +88,11 @@
                 android:title="@string/pref_default_page"
                 android:summary="@string/pref_default_page_sum"
                 android:defaultValue="HomeFragment"/>
+        <SwitchPreferenceCompat
+                android:key="prefBackButtonOpensDrawer"
+                android:title="@string/pref_back_button_opens_drawer"
+                android:summary="@string/pref_back_button_opens_drawer_summary"
+                android:defaultValue="false"/>
         <Preference
                 android:key="prefSwipe"
                 android:summary="@string/swipeactions_summary"

storage/preferences/src/main/java/de/danoeh/antennapod/storage/preferences/UserPreferences.java

@@ -63,6 +63,7 @@ public class UserPreferences {
     public static final String PREF_DEFAULT_PAGE = "prefDefaultPage";
     public static final String PREF_FILTER_FEED = "prefSubscriptionsFilter";
     public static final String PREF_SUBSCRIPTION_TITLE = "prefSubscriptionTitle";
+    public static final String PREF_BACK_OPENS_DRAWER = "prefBackButtonOpensDrawer";
 
     public static final String PREF_QUEUE_KEEP_SORTED = "prefQueueKeepSorted";
     public static final String PREF_QUEUE_KEEP_SORTED_ORDER = "prefQueueKeepSortedOrder";
@@ -869,6 +870,10 @@ public class UserPreferences {
         prefs.edit().putString(PREF_DEFAULT_PAGE, defaultPage).apply();
     }
 
+    public static boolean backButtonOpensDrawer() {
+        return prefs.getBoolean(PREF_BACK_OPENS_DRAWER, false);
+    }
+
     public static boolean timeRespectsSpeed() {
         return prefs.getBoolean(PREF_TIME_RESPECTS_SPEED, false);
     }

ui/i18n/src/main/res/values/strings.xml

@@ -514,6 +514,8 @@
     <string name="behavior">Behavior</string>
     <string name="pref_default_page">Default Page</string>
     <string name="pref_default_page_sum">Screen that is opened when starting AntennaPod.</string>
+    <string name="pref_back_button_opens_drawer">Back button opens drawer</string>
+    <string name="pref_back_button_opens_drawer_summary">Pressing the back button on the default page opens the navigation drawer</string>
     <string name="remember_last_page">Remember last page</string>
     <string name="pref_delete_removes_from_queue_title">Delete removes from Queue</string>
     <string name="pref_delete_removes_from_queue_sum">Automatically remove an episode from the queue when it is deleted.</string>