some more progress on android app

src/apps/Android/app/src/main/AndroidManifest.xml

@@ -29,4 +29,5 @@
     <uses-feature android:name="android.hardware.camera" android:required="true" />
     <uses-feature android:name="android.hardware.camera.autofocus" android:required="true" />
     <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.INTERNET" />
 </manifest>

src/apps/Android/app/src/main/java/com/janishutz/libreevent/ApiClient.kt

@@ -26,7 +26,7 @@ class ApiClient {
             connection.doOutput = true
 
             // Create the JSON request body
-            val jsonRequest = "{\"username\":\"$username\",\"password\":\"$password\"}"
+            val jsonRequest = "{\"email\":\"$username\",\"password\":\"$password\"}"
 
             // Write the JSON data to the output stream
             val outputStream = DataOutputStream(connection.outputStream)
@@ -50,8 +50,7 @@ class ApiClient {
                 // Return the response as a String
                 return response.toString()
             } else {
-                // Handle the error (e.g., authentication failed)
-                // You can also throw an exception here if needed
+                println(responseCode)
                 return "status-code-non-ok"
             }
         } catch (e: Exception) {
@@ -61,7 +60,7 @@ class ApiClient {
     }
 
     fun checkTicket(apiUrl: String, username: String, password: String, ticket: String): String {
-        val url = URL("$apiUrl/app/ticketLookup")
+        val url = URL("https://$apiUrl/app/ticketLookup")
         val connection = url.openConnection() as HttpURLConnection
 
         // Set the request method to POST
@@ -76,7 +75,7 @@ class ApiClient {
         connection.doOutput = true
 
         // Create the JSON request body
-        val jsonRequest = "{\"username\":\"$username\",\"password\":\"$password\",\"ticketID\":$ticket}"
+        val jsonRequest = "{\"email\":\"$username\",\"password\":\"$password\",\"ticketID\":$ticket}"
 
         // Write the JSON data to the output stream
         val outputStream = DataOutputStream(connection.outputStream)

src/apps/Android/app/src/main/java/com/janishutz/libreevent/MainActivity.kt

@@ -1,23 +1,43 @@
 package com.janishutz.libreevent
 
+import android.app.AlertDialog
 import android.content.Intent
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.os.StrictMode
+import android.os.StrictMode.ThreadPolicy
 import android.widget.Button
 import android.widget.EditText
-import android.app.AlertDialog
-import com.janishutz.libreevent.ApiClient
+import androidx.appcompat.app.AppCompatActivity
+
 
 class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
 
+        val policy = ThreadPolicy.Builder().permitAll().build()
+        StrictMode.setThreadPolicy(policy)
+
+        val sharedPref = getPreferences( MODE_PRIVATE )
+
+        val hasSwitched = intent.hasExtra("hasSwitched")
+
         val loginButton = findViewById<Button>(R.id.loginButton)
         val urlEditText = findViewById<EditText>(R.id.url)
         val usernameEditText = findViewById<EditText>(R.id.username)
         val passwordEditText = findViewById<EditText>(R.id.password)
 
+        if (sharedPref.getString( "url", null ).toString() != "null" && sharedPref.getString( "username", null ).toString() != "null" ) {
+            urlEditText.setText(sharedPref.getString( "url", null ).toString())
+            usernameEditText.setText(sharedPref.getString( "username", null ).toString())
+        }
+
+        if (sharedPref.getString( "loginOk", null ).toString() != "null" && !hasSwitched) {
+            println(sharedPref.getString( "loginOk", null ).toString())
+            val switchIntent = Intent(this, ScannerActivity::class.java)
+            startActivity(switchIntent)
+        }
+
         loginButton.setOnClickListener {
             val url = urlEditText.text.toString()
             val username = usernameEditText.text.toString()
@@ -30,6 +50,13 @@ class MainActivity : AppCompatActivity() {
         val res = ApiClient().authenticateUser( url, username, password )
         println( res )
         if ( res == "authOk" ) {
+            val sharedPref = getPreferences( MODE_PRIVATE )
+            val editor = sharedPref.edit()
+            editor.putString( "username", username )
+            editor.putString( "password", password )
+            editor.putString( "url", url )
+            editor.putString( "loginOk", "true" )
+            editor.apply()
             val switchIntent = Intent(this, ScannerActivity::class.java)
             startActivity(switchIntent)
         } else if ( res == "status-code-non-ok" ) {

src/apps/Android/app/src/main/java/com/janishutz/libreevent/ScannerActivity.kt

@@ -1,9 +1,12 @@
 package com.janishutz.libreevent
 
 import android.Manifest
+import android.app.AlertDialog
+import android.content.Intent
 import android.content.pm.PackageManager
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.widget.Button
 import androidx.core.app.ActivityCompat
 import com.journeyapps.barcodescanner.BarcodeCallback
 import com.journeyapps.barcodescanner.BarcodeResult
@@ -23,6 +26,19 @@ class ScannerActivity : CaptureActivity() {
 
         barcodeView = findViewById(R.id.barcodeScannerView)
 
+        val logoutButton = findViewById<Button>(R.id.logoutButton)
+        logoutButton.setOnClickListener {
+            val sharedPref = getPreferences( MODE_PRIVATE )
+            val editor = sharedPref.edit()
+            editor.remove( "loginOk" )
+            editor.remove( "username" )
+            editor.remove( "url" )
+            editor.apply()
+            val switchIntent = Intent(this, MainActivity::class.java)
+            switchIntent.putExtra("hasSwitched", true)
+            startActivity(switchIntent)
+        }
+
         // Check for camera permission and request if not granted
         if (ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
             ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.CAMERA), CAMERA_PERMISSION_REQUEST)
@@ -43,16 +59,17 @@ class ScannerActivity : CaptureActivity() {
                     handleScanResult(scannedData)
                 }
             }
-
-            override fun possibleResultPoints(resultPoints: List<com.google.zxing.ResultPoint>?) {
-                // Optional: Handle possible result points
-            }
         })
     }
 
     private fun handleScanResult(result: String) {
         if ( lastScanned != result ) {
             println(result)
+            val sharedPref = getPreferences( MODE_PRIVATE )
+
+            ApiClient().checkTicket( sharedPref.getString( "url", null ).toString(),
+                sharedPref.getString( "username", null ).toString(),
+                sharedPref.getString( "password", null ).toString(), result )
             lastScanned = result
         }
     }
@@ -79,7 +96,15 @@ class ScannerActivity : CaptureActivity() {
             if (grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                 setupScanner()
             } else {
-                // Handle permission denied
+                val alertDialogBuilder = AlertDialog.Builder(this)
+                alertDialogBuilder.setTitle("Camera access required!")
+                alertDialogBuilder.setMessage("Please ensure that camera access is enabled in settings")
+                alertDialogBuilder.setIcon(android.R.drawable.ic_dialog_alert)
+
+                alertDialogBuilder.setPositiveButton("OK") { dialog, _ ->
+                    dialog.dismiss()
+                }
+                alertDialogBuilder.show()
             }
         }
     }

src/apps/Android/app/src/main/res/layout/activity_scanner.xml

@@ -10,6 +10,13 @@
     <com.journeyapps.barcodescanner.DecoratedBarcodeView
         android:id="@+id/barcodeScannerView"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="match_parent" >
+
+        <Button
+            android:id="@+id/logoutButton"
+            android:layout_width="122dp"
+            android:layout_height="wrap_content"
+            android:text="Log out" />
+    </com.journeyapps.barcodescanner.DecoratedBarcodeView>
 
 </FrameLayout>