EML: use floating action button

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

@@ -54,6 +54,7 @@ import androidx.preference.PreferenceManager;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.android.material.snackbar.Snackbar;
 import com.sun.mail.imap.IMAPFolder;
 
@@ -94,6 +95,7 @@ public class ActivityEML extends ActivityBase {
     private TextView tvHeaders;
     private TextView tvAuthentication;
     private ContentLoadingProgressBar pbWait;
+    private FloatingActionButton fabSave;
     private Group grpReady;
 
     private boolean draft;
@@ -136,6 +138,7 @@ public class ActivityEML extends ActivityBase {
         tvHeaders = findViewById(R.id.tvHeaders);
         tvAuthentication = findViewById(R.id.tvAuthentication);
         pbWait = findViewById(R.id.pbWait);
+        fabSave = findViewById(R.id.fabSave);
         grpReady = findViewById(R.id.grpReady);
 
         rvAttachment.setHasFixedSize(false);
@@ -211,6 +214,13 @@ public class ActivityEML extends ActivityBase {
             }
         });
 
+        fabSave.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                onMenuSave();
+            }
+        });
+
         // Initialize
         vSeparatorAttachments.setVisibility(View.GONE);
         grpReady.setVisibility(View.GONE);
@@ -568,14 +578,11 @@ public class ActivityEML extends ActivityBase {
                 .setChecked(junk);
 
         if (draft && BuildConfig.DEBUG)
-            menu.findItem(R.id.menu_save)
-                    .setIcon(R.drawable.twotone_drafts_24);
+            fabSave.setImageResource(R.drawable.twotone_drafts_24);
         else if (junk && BuildConfig.DEBUG)
-            menu.findItem(R.id.menu_save)
-                    .setIcon(R.drawable.twotone_report_24);
+            fabSave.setImageResource(R.drawable.twotone_report_24);
         else
-            menu.findItem(R.id.menu_save)
-                    .setIcon(R.drawable.twotone_move_to_inbox_24);
+            fabSave.setImageResource(R.drawable.twotone_move_to_inbox_24);
 
         return super.onPrepareOptionsMenu(menu);
     }
@@ -586,9 +593,6 @@ public class ActivityEML extends ActivityBase {
         if (itemId == android.R.id.home) {
             finish();
             return true;
-        } else if (itemId == R.id.menu_save) {
-            onMenuSave();
-            return true;
         } else if (itemId == R.id.menu_draft) {
             draft = !draft;
             if (draft)

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

@@ -5,7 +5,7 @@
     android:layout_height="match_parent"
     tools:context="eu.faircode.email.ActivityEML">
 
-    <ScrollView
+    <androidx.core.widget.NestedScrollView
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:orientation="vertical"
@@ -17,7 +17,8 @@
 
         <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="match_parent"
-            android:layout_height="wrap_content">
+            android:layout_height="wrap_content"
+            android:paddingBottom="90dp">
 
             <TextView
                 android:id="@+id/tvHint"
@@ -356,7 +357,7 @@
                 android:layout_height="0dp"
                 app:constraint_referenced_ids="cardMessage,cardStructure" />
         </androidx.constraintlayout.widget.ConstraintLayout>
-    </ScrollView>
+    </androidx.core.widget.NestedScrollView>
 
     <eu.faircode.email.ContentLoadingProgressBar
         android:id="@+id/pbWait"
@@ -368,4 +369,17 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/fabSave"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="end|bottom"
+        android:layout_margin="@dimen/fab_padding"
+        android:contentDescription="@string/title_save"
+        app:backgroundTint="?attr/colorFabBackground"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:srcCompat="@drawable/twotone_move_to_inbox_24"
+        app:tint="?attr/colorFabForeground" />
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/menu/menu_eml.xml

@@ -1,12 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
-    <item
-        android:id="@+id/menu_save"
-        android:icon="@drawable/twotone_move_to_inbox_24"
-        android:title="@string/title_save"
-        app:showAsAction="always" />
-
     <item
         android:id="@+id/menu_draft"
         android:checkable="true"

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

@@ -2352,7 +2352,10 @@
     <string name="title_hint_junk">Spam filtering should be done by the email server and cannot be done reliably on a battery powered device with limited capabilities.</string>
     <string name="title_hint_junk_learn">By moving messages to and from the spam folder, the email server "learns" what spam is</string>
     <string name="title_hint_contact_actions">Long press for options</string>
-    <string name="title_hint_eml">This is a summary of the content of a raw message file. Save the raw message with the save icon in the action bar to view all content.</string>
+    <string name="title_hint_eml">
+        This is a summary of the contents of a raw message file.
+        You can use the bottom-right button to save the message to the inbox to view all content.
+    </string>
 
     <string name="title_open_link">Open link</string>
     <string name="title_image_link">Image link</string>