1 files changed, 62 insertions, 0 deletions
diff --git a/cashier/src/main/java/net/taler/cashier/MainActivity.kt b/cashier/src/main/java/net/taler/cashier/MainActivity.kt
new file mode 100644
index 0000000..b238054
--- /dev/null
+++ b/cashier/src/main/java/net/taler/cashier/MainActivity.kt
@@ -0,0 +1,62 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.cashier
+
+import android.content.Intent
+import android.content.Intent.*
+import android.os.Bundle
+import androidx.activity.viewModels
+import androidx.appcompat.app.AppCompatActivity
+import androidx.navigation.NavController
+import androidx.navigation.fragment.NavHostFragment
+import kotlinx.android.synthetic.main.activity_main.*
+
+class MainActivity : AppCompatActivity() {
+
+    private val viewModel: MainViewModel by viewModels()
+    private lateinit var nav: NavController
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+        setSupportActionBar(toolbar)
+        val navHostFragment =
+            supportFragmentManager.findFragmentById(R.id.nav_host_fragment) as NavHostFragment
+        nav = navHostFragment.navController
+    }
+
+    override fun onStart() {
+        super.onStart()
+        if (!viewModel.hasConfig()) {
+            nav.navigate(viewModel.configDestination)
+        }
+    }
+
+    override fun onBackPressed() {
+        if (!viewModel.hasConfig() && nav.currentDestination?.id == R.id.configFragment) {
+            // we are in the configuration screen and need a config to continue
+            val intent = Intent(ACTION_MAIN).apply {
+                addCategory(CATEGORY_HOME)
+                flags = FLAG_ACTIVITY_NEW_TASK
+            }
+            startActivity(intent)
+        } else {
+            super.onBackPressed()
+        }
+    }
+
+}