Added setup menu

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

@@ -34,6 +34,9 @@ import android.os.Bundle;
 import android.os.PowerManager;
 import android.provider.Settings;
 import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
@@ -72,6 +75,8 @@ public class FragmentSetup extends FragmentEx {
     private int colorWarning;
     private Drawable check;
 
+    private boolean inbox = false;
+
     private static final String[] permissions = new String[]{
             Manifest.permission.READ_CONTACTS
     };
@@ -80,6 +85,7 @@ public class FragmentSetup extends FragmentEx {
     @Nullable
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
         setSubtitle(R.string.title_setup);
+        setHasOptionsMenu(true);
 
         textColorPrimary = Helper.resolveColor(getContext(), android.R.attr.textColorPrimary);
         colorWarning = Helper.resolveColor(getContext(), R.attr.colorWarning);
@@ -251,6 +257,9 @@ public class FragmentSetup extends FragmentEx {
             public void onChanged(@Nullable List<EntityAccount> accounts) {
                 done = (accounts != null && accounts.size() > 0);
 
+                inbox = done;
+                getActivity().invalidateOptionsMenu();
+
                 btnIdentity.setEnabled(done);
                 tvAccountDone.setText(done ? R.string.title_setup_done : R.string.title_setup_to_do);
                 tvAccountDone.setTextColor(done ? textColorPrimary : colorWarning);
@@ -323,6 +332,29 @@ public class FragmentSetup extends FragmentEx {
         }
     }
 
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        inflater.inflate(R.menu.menu_setup, menu);
+        super.onCreateOptionsMenu(menu, inflater);
+    }
+
+    @Override
+    public void onPrepareOptionsMenu(Menu menu) {
+        menu.findItem(R.id.menu_inbox).setVisible(inbox);
+        super.onPrepareOptionsMenu(menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.menu_inbox:
+                finish();
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+
     @Override
     public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
         if (requestCode == ActivitySetup.REQUEST_PERMISSION)

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

@@ -0,0 +1,9 @@
+<?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_inbox"
+        android:icon="@drawable/baseline_mail_24"
+        android:title="@string/title_folder_unified"
+        app:showAsAction="always" />
+</menu>