Added multiple select hint

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -78,14 +78,16 @@ public class FragmentMessages extends FragmentEx {
     private View popupAnchor;
     private TextView tvSupport;
     private ImageButton ibHintSupport;
-    private ImageButton ibHintActions;
+    private ImageButton ibHintSwipe;
+    private ImageButton ibHintSelect;
     private TextView tvNoEmail;
     private RecyclerView rvMessage;
     private BottomNavigationView bottom_navigation;
     private ProgressBar pbWait;
     private Group grpSupport;
     private Group grpHintSupport;
-    private Group grpHintActions;
+    private Group grpHintSwipe;
+    private Group grpHintSelect;
     private Group grpReady;
     private FloatingActionButton fab;
     private FloatingActionButton fabMove;
@@ -154,14 +156,16 @@ public class FragmentMessages extends FragmentEx {
         popupAnchor = view.findViewById(R.id.popupAnchor);
         tvSupport = view.findViewById(R.id.tvSupport);
         ibHintSupport = view.findViewById(R.id.ibHintSupport);
-        ibHintActions = view.findViewById(R.id.ibHintActions);
+        ibHintSwipe = view.findViewById(R.id.ibHintSwipe);
+        ibHintSelect = view.findViewById(R.id.ibHintSelect);
         tvNoEmail = view.findViewById(R.id.tvNoEmail);
         rvMessage = view.findViewById(R.id.rvFolder);
         bottom_navigation = view.findViewById(R.id.bottom_navigation);
         pbWait = view.findViewById(R.id.pbWait);
         grpSupport = view.findViewById(R.id.grpSupport);
         grpHintSupport = view.findViewById(R.id.grpHintSupport);
-        grpHintActions = view.findViewById(R.id.grpHintActions);
+        grpHintSwipe = view.findViewById(R.id.grpHintSwipe);
+        grpHintSelect = view.findViewById(R.id.grpHintSelect);
         grpReady = view.findViewById(R.id.grpReady);
         fab = view.findViewById(R.id.fab);
         fabMove = view.findViewById(R.id.fabMove);
@@ -179,11 +183,19 @@ public class FragmentMessages extends FragmentEx {
             }
         });
 
-        ibHintActions.setOnClickListener(new View.OnClickListener() {
+        ibHintSwipe.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                prefs.edit().putBoolean("message_actions", true).apply();
-                grpHintActions.setVisibility(View.GONE);
+                prefs.edit().putBoolean("message_swipe", true).apply();
+                grpHintSwipe.setVisibility(View.GONE);
+            }
+        });
+
+        ibHintSelect.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                prefs.edit().putBoolean("message_select", true).apply();
+                grpHintSelect.setVisibility(View.GONE);
             }
         });
 
@@ -685,8 +697,9 @@ public class FragmentMessages extends FragmentEx {
         }
 
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
-        grpHintSupport.setVisibility(prefs.getBoolean("app_support", false) ? View.GONE : View.VISIBLE);
-        grpHintActions.setVisibility(prefs.getBoolean("message_actions", false) || viewType != AdapterMessage.ViewType.THREAD ? View.GONE : View.VISIBLE);
+        grpHintSupport.setVisibility(prefs.getBoolean("app_support", false) || viewType != AdapterMessage.ViewType.UNIFIED ? View.GONE : View.VISIBLE);
+        grpHintSwipe.setVisibility(prefs.getBoolean("message_swipe", false) || viewType == AdapterMessage.ViewType.THREAD ? View.GONE : View.VISIBLE);
+        grpHintSelect.setVisibility(prefs.getBoolean("message_select", false) || viewType != AdapterMessage.ViewType.FOLDER ? View.GONE : View.VISIBLE);
 
         final DB db = DB.getInstance(getContext());
 

app/src/main/res/layout/fragment_folders.xml

@@ -10,9 +10,9 @@
         android:id="@+id/tvHintActions"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_marginEnd="6dp"
         android:layout_marginStart="6dp"
         android:layout_marginTop="6dp"
+        android:layout_marginEnd="6dp"
         android:gravity="center_vertical"
         android:minHeight="33dp"
         android:text="@string/title_hint_folder_actions"
@@ -45,8 +45,8 @@
         style="@style/buttonStyleSmall"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:minHeight="0dp"
         android:minWidth="0dp"
+        android:minHeight="0dp"
         android:textOff="@string/title_show_folders"
         android:textOn="@string/title_hide_folders"
         app:layout_constraintEnd_toEndOf="parent"

app/src/main/res/layout/fragment_messages.xml

@@ -70,7 +70,7 @@
             app:layout_constraintTop_toBottomOf="@id/ibHintSupport" />
 
         <TextView
-            android:id="@+id/tvHintActions"
+            android:id="@+id/tvHintSwipe"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:gravity="center_vertical"
@@ -79,26 +79,57 @@
             android:text="@string/title_hint_message_actions"
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             android:textColor="?android:attr/textColorPrimary"
-            app:layout_constraintEnd_toStartOf="@+id/ibHintActions"
+            app:layout_constraintEnd_toStartOf="@+id/ibHintSwipe"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/vSeparatorHintSupport" />
 
         <ImageButton
-            android:id="@+id/ibHintActions"
+            android:id="@+id/ibHintSwipe"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:src="@drawable/baseline_close_24"
-            app:layout_constraintBottom_toBottomOf="@id/tvHintActions"
+            app:layout_constraintBottom_toBottomOf="@id/tvHintSwipe"
             app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintTop_toTopOf="@id/tvHintActions" />
+            app:layout_constraintTop_toTopOf="@id/tvHintSwipe" />
 
         <View
-            android:id="@+id/vSeparatorHintActions"
+            android:id="@+id/vSeparatorHintSwipe"
             android:layout_width="match_parent"
             android:layout_height="1dp"
             android:background="?attr/colorSeparator"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/tvHintActions" />
+            app:layout_constraintTop_toBottomOf="@id/tvHintSwipe" />
+
+        <TextView
+            android:id="@+id/tvHintSelect"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:gravity="center_vertical"
+            android:minHeight="33dp"
+            android:padding="6dp"
+            android:text="@string/title_hint_message_selection"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textColor="?android:attr/textColorPrimary"
+            app:layout_constraintEnd_toStartOf="@+id/ibHintSwipe"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/vSeparatorHintSwipe" />
+
+        <ImageButton
+            android:id="@+id/ibHintSelect"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@drawable/baseline_close_24"
+            app:layout_constraintBottom_toBottomOf="@id/tvHintSelect"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="@id/tvHintSelect" />
+
+        <View
+            android:id="@+id/vSeparatorHintSelect"
+            android:layout_width="match_parent"
+            android:layout_height="1dp"
+            android:background="?attr/colorSeparator"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/ibHintSelect" />
 
         <TextView
             android:id="@+id/tvNoEmail"
@@ -109,7 +140,7 @@
             app:layout_constraintBottom_toTopOf="@+id/bottom_navigation"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent" />
+            app:layout_constraintTop_toBottomOf="@id/vSeparatorHintSelect" />
 
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/rvFolder"
@@ -120,7 +151,7 @@
             app:layout_constraintBottom_toTopOf="@+id/bottom_navigation"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/vSeparatorHintActions" />
+            app:layout_constraintTop_toBottomOf="@id/vSeparatorHintSelect" />
 
         <ProgressBar
             android:id="@+id/pbWait"
@@ -131,7 +162,7 @@
             app:layout_constraintBottom_toTopOf="@+id/bottom_navigation"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent" />
+            app:layout_constraintTop_toBottomOf="@id/vSeparatorHintSelect" />
 
         <com.google.android.material.bottomnavigation.BottomNavigationView
             android:id="@+id/bottom_navigation"
@@ -159,10 +190,16 @@
             app:constraint_referenced_ids="tvHintSupport,ibHintSupport,vSeparatorHintSupport" />
 
         <androidx.constraintlayout.widget.Group
-            android:id="@+id/grpHintActions"
+            android:id="@+id/grpHintSwipe"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            app:constraint_referenced_ids="tvHintSwipe,ibHintSwipe,vSeparatorHintSwipe" />
+
+        <androidx.constraintlayout.widget.Group
+            android:id="@+id/grpHintSelect"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:constraint_referenced_ids="tvHintActions,ibHintActions,vSeparatorHintActions" />
+            app:constraint_referenced_ids="tvHintSelect,ibHintSelect,vSeparatorHintSelect" />
 
         <androidx.constraintlayout.widget.Group
             android:id="@+id/grpReady"

app/src/main/res/values/strings.xml

@@ -269,6 +269,7 @@
     <string name="title_hint_folder_actions">Long press for options</string>
     <string name="title_hint_support">If you have a question or a problem, please use the support menu to get help</string>
     <string name="title_hint_message_actions">Swipe left to trash; swipe right to archive (if available)</string>
+    <string name="title_hint_message_selection">Long press a message to start selecting multiple messages</string>
     <string name="title_hint_sync">Downloading messages can take some time, depending on the number of messages, the speed of your internet connection and your email provider</string>
 
     <string name="title_open_link">Open link</string>