Added schedules info button

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

@@ -71,6 +71,7 @@ public class FragmentOptionsSynchronize extends FragmentBase implements SharedPr
     private TextView tvScheduleStart;
     private TextView tvScheduleEnd;
     private CheckBox[] cbDay;
+    private ImageButton ibSchedules;
     private SwitchCompat swNodate;
     private SwitchCompat swUnseen;
     private SwitchCompat swFlagged;
@@ -108,6 +109,7 @@ public class FragmentOptionsSynchronize extends FragmentBase implements SharedPr
         swOptimize = view.findViewById(R.id.swOptimize);
         ibOptimizeInfo = view.findViewById(R.id.ibOptimizeInfo);
         spPollInterval = view.findViewById(R.id.spPollInterval);
+
         swSchedule = view.findViewById(R.id.swSchedule);
         rvExempted = view.findViewById(R.id.rvExempted);
         tvSchedulePro = view.findViewById(R.id.tvSchedulePro);
@@ -122,6 +124,8 @@ public class FragmentOptionsSynchronize extends FragmentBase implements SharedPr
                 view.findViewById(R.id.cbDay5),
                 view.findViewById(R.id.cbDay6)
         };
+        ibSchedules = view.findViewById(R.id.ibSchedules);
+
         swNodate = view.findViewById(R.id.swNodate);
         swUnseen = view.findViewById(R.id.swUnseen);
         swFlagged = view.findViewById(R.id.swFlagged);
@@ -236,6 +240,13 @@ public class FragmentOptionsSynchronize extends FragmentBase implements SharedPr
             });
         }
 
+        ibSchedules.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Helper.viewFAQ(v.getContext(), 78);
+            }
+        });
+
         swNodate.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {

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

@@ -269,6 +269,17 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/cbDay5" />
 
+        <ImageButton
+            android:id="@+id/ibSchedules"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:contentDescription="@string/title_info"
+            android:tooltipText="@string/title_info"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/tvScheduleHint"
+            app:srcCompat="@drawable/twotone_info_24" />
+
         <eu.faircode.email.FixedTextView
             android:id="@+id/tvAdvanced"
             android:layout_width="0dp"