Expose Git Remote Settings

This way you can regenerate the SSH Key (if needed) and/or copy it
again. In the future one can add methods to reconfigure the git remote
and add / remove remotes.

lib/screens/settings_git_remote.dart

@@ -0,0 +1,116 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:fimber/fimber.dart';
+
+import 'package:git_bindings/git_bindings.dart';
+import 'package:gitjournal/screens/githostsetup_sshkey.dart';
+import 'package:gitjournal/utils.dart';
+
+class GitRemoteSettingsScreen extends StatefulWidget {
+  @override
+  _GitRemoteSettingsScreenState createState() =>
+      _GitRemoteSettingsScreenState();
+}
+
+class _GitRemoteSettingsScreenState extends State<GitRemoteSettingsScreen> {
+  String publicKey = "";
+
+  @override
+  void initState() {
+    super.initState();
+    getSSHPublicKey().then((String val) {
+      setState(() {
+        publicKey = val;
+      });
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    var textTheme = Theme.of(context).textTheme;
+
+    var body = Column(
+      children: <Widget>[
+        Text(
+          "SSH Public Key -",
+          style: textTheme.body2,
+          textAlign: TextAlign.left,
+        ),
+        const SizedBox(height: 16.0),
+        PublicKeyWidget(publicKey),
+        const SizedBox(height: 16.0),
+        const Divider(),
+        Button(
+          text: "Copy Key",
+          onPressed: () => _copyKeyToClipboard(context),
+        ),
+        Button(
+          text: "Regnerate Key",
+          onPressed: () => _generateSshKey(context),
+        ),
+      ],
+      crossAxisAlignment: CrossAxisAlignment.start,
+    );
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Git Remote Settings'),
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back),
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+        ),
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(16.0),
+        child: body,
+      ),
+    );
+  }
+
+  void _copyKeyToClipboard(BuildContext context) {
+    Clipboard.setData(ClipboardData(text: publicKey));
+    showSnackbar(context, "Public Key copied to Clipboard");
+  }
+
+  void _generateSshKey(BuildContext context) {
+    var comment = "GitJournal " +
+        Platform.operatingSystem +
+        " " +
+        DateTime.now().toIso8601String().substring(0, 10); // only the date
+
+    generateSSHKeys(comment: comment).then((String publicKey) {
+      setState(() {
+        this.publicKey = publicKey;
+        Fimber.d("PublicKey: " + publicKey);
+        _copyKeyToClipboard(context);
+      });
+    });
+  }
+}
+
+class Button extends StatelessWidget {
+  final String text;
+  final Function onPressed;
+
+  Button({@required this.text, @required this.onPressed});
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox(
+      width: double.infinity,
+      child: RaisedButton(
+        child: Text(
+          text,
+          textAlign: TextAlign.center,
+          style: Theme.of(context).textTheme.button,
+        ),
+        color: Theme.of(context).primaryColor,
+        onPressed: onPressed,
+      ),
+    );
+  }
+}

lib/screens/settings_screen.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:gitjournal/settings.dart';
 import 'package:gitjournal/utils.dart';
 import 'package:gitjournal/screens/settings_widgets.dart';
+import 'package:gitjournal/screens/settings_git_remote.dart';
 
 import 'package:dynamic_theme/dynamic_theme.dart';
 
@@ -143,6 +144,16 @@ class SettingsListState extends State<SettingsList> {
       SettingsHeader("Git Author Settings"),
       ListTile(title: gitAuthorForm),
       ListTile(title: gitAuthorEmailForm),
+      ListTile(
+        title: const Text("Git Remote Settings"),
+        subtitle: const Text("Configure where your notes are synced"),
+        onTap: () {
+          var route = MaterialPageRoute(
+            builder: (context) => GitRemoteSettingsScreen(),
+          );
+          Navigator.of(context).push(route);
+        },
+      ),
       const SizedBox(height: 16.0),
       SettingsHeader("Storage"),
       ListPreference(