Added setting to disable notification message preview

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

@@ -86,6 +86,7 @@ public class FragmentOptions extends FragmentBase implements SharedPreferences.O
     private SwitchCompat swAutoResize;
     private SwitchCompat swAutoSend;
 
+    private SwitchCompat swNotifyPreview;
     private SwitchCompat swLight;
     private Button btnSound;
 
@@ -104,7 +105,7 @@ public class FragmentOptions extends FragmentBase implements SharedPreferences.O
             "metered", "download",
             "unified", "date", "threading", "avatars", "identicons", "name_email", "preview", "addresses", "autoimages", "actionbar",
             "pull", "swipenav", "autoexpand", "autoclose", "autonext", "collapse", "autoread", "automove", "sender", "autoresize", "autosend",
-            "light", "sound",
+            "notify_preview", "light", "sound",
             "debug",
             "first", "why", "last_update_check", "app_support", "message_swipe", "message_select", "folder_actions", "folder_sync",
             "edit_ref_confirmed", "autosend", "automove", "show_html_confirmed", "show_images_confirmed"
@@ -150,6 +151,7 @@ public class FragmentOptions extends FragmentBase implements SharedPreferences.O
         swAutoResize = view.findViewById(R.id.swAutoResize);
         swAutoSend = view.findViewById(R.id.swAutoSend);
 
+        swNotifyPreview = view.findViewById(R.id.swNotifyPreview);
         swLight = view.findViewById(R.id.swLight);
         btnSound = view.findViewById(R.id.btnSound);
 
@@ -381,6 +383,13 @@ public class FragmentOptions extends FragmentBase implements SharedPreferences.O
             }
         });
 
+        swNotifyPreview.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("notify_preview", checked).apply();
+            }
+        });
+
         swLight.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
@@ -512,6 +521,7 @@ public class FragmentOptions extends FragmentBase implements SharedPreferences.O
         swAutoResize.setChecked(prefs.getBoolean("autoresize", true));
         swAutoSend.setChecked(!prefs.getBoolean("autosend", false));
 
+        swNotifyPreview.setChecked(prefs.getBoolean("notify_preview", true));
         swLight.setChecked(prefs.getBoolean("light", false));
         swDebug.setChecked(prefs.getBoolean("debug", false));
 

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

@@ -552,10 +552,12 @@ public class ServiceSynchronize extends LifecycleService {
             builder.setSubText(accountName);
 
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
-            if (prefs.getBoolean("light", false))
+            boolean light = prefs.getBoolean("light", false);
+            String sound = prefs.getString("sound", null);
+
+            if (light)
                 builder.setLights(Color.GREEN, 1000, 1000);
 
-            String sound = prefs.getString("sound", null);
             if (sound == null) {
                 Uri uri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
                 builder.setSound(uri);
@@ -584,6 +586,7 @@ public class ServiceSynchronize extends LifecycleService {
 
         notifications.add(builder.build());
 
+        boolean preview = prefs.getBoolean("notify_preview", true);
         for (TupleMessageEx message : messages) {
             ContactInfo info = messageContact.get(message);
 
@@ -665,7 +668,7 @@ public class ServiceSynchronize extends LifecycleService {
                 if (!TextUtils.isEmpty(message.subject))
                     mbuilder.setContentText(message.subject);
 
-                if (message.content)
+                if (message.content && preview)
                     try {
                         String body = Helper.readText(EntityMessage.getFile(this, message.id));
                         StringBuilder sb = new StringBuilder();

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

@@ -603,6 +603,44 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tvSectionMisc" />
 
+        <androidx.appcompat.widget.SwitchCompat
+            android:id="@+id/swNotifyPreview"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:layout_marginTop="12dp"
+            android:layout_marginEnd="12dp"
+            android:text="@string/title_advanced_notify_preview"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/vSeparatorMisc"
+            app:switchPadding="12dp" />
+
+        <TextView
+            android:id="@+id/swNotifyPreviewHint"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:layout_marginEnd="60dp"
+            android:text="@string/title_advanced_preview_hint"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textStyle="italic"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/swNotifyPreview" />
+
+        <TextView
+            android:id="@+id/swNotifyPreviewPro"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:layout_marginEnd="60dp"
+            android:text="@string/title_pro_feature"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textStyle="italic"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/swNotifyPreviewHint" />
+
         <androidx.appcompat.widget.SwitchCompat
             android:id="@+id/swLight"
             android:layout_width="match_parent"
@@ -612,7 +650,7 @@
             android:layout_marginEnd="12dp"
             android:text="@string/title_advanced_light"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/vSeparatorMisc"
+            app:layout_constraintTop_toBottomOf="@id/swNotifyPreviewPro"
             app:switchPadding="12dp" />
 
         <Button

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

@@ -157,6 +157,7 @@
     <string name="title_advanced_images">Automatically show images for known contacts</string>
     <string name="title_advanced_actionbar">Conversation action bar</string>
 
+    <string name="title_advanced_notify_preview">Show message preview in notifications</string>
     <string name="title_advanced_light">Use notification light</string>
     <string name="title_advanced_sound">Select notification sound</string>