feat: MVP implementation - Kiosk Browser

- Fullscreen WebView with immersive mode - URL whitelist system - Admin PIN-protected settings - Boot receiver for auto-launch - Idle timeout with homepage reset - Lock Task Mode support - Material Design 3 UI Team: Pluto (coordinator), Margaret, Spirit
2026-02-03 09:09:20 -06:00
parent 43d91e89ca
commit 6dc1a73d2e
17 changed files with 727 additions and 13 deletions
@@ -0,0 +1,106 @@
+package farm.hobbs.kioskbrowser
+
+import android.os.Bundle
+import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.stringPreferencesKey
+import farm.hobbs.kioskbrowser.databinding.ActivityAdminBinding
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.runBlocking
+import android.text.InputType
+import android.widget.EditText
+
+class AdminActivity : AppCompatActivity() {
+
+    private lateinit var binding: ActivityAdminBinding
+    private val adminPin = "1234" // Default PIN - should be configurable
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        
+        // Require PIN before showing settings
+        showPinDialog()
+    }
+
+    private fun showPinDialog() {
+        val input = EditText(this).apply {
+            inputType = InputType.TYPE_CLASS_NUMBER or InputType.TYPE_NUMBER_VARIATION_PASSWORD
+            hint = "Enter Admin PIN"
+        }
+
+        AlertDialog.Builder(this)
+            .setTitle("Admin Access")
+            .setMessage("Enter PIN to access settings")
+            .setView(input)
+            .setPositiveButton("OK") { _, _ ->
+                if (input.text.toString() == getStoredPin()) {
+                    setupUI()
+                } else {
+                    Toast.makeText(this, "Invalid PIN", Toast.LENGTH_SHORT).show()
+                    finish()
+                }
+            }
+            .setNegativeButton("Cancel") { _, _ -> finish() }
+            .setCancelable(false)
+            .show()
+    }
+
+    private fun getStoredPin(): String {
+        return runBlocking {
+            dataStore.data.first()[stringPreferencesKey("admin_pin")] ?: adminPin
+        }
+    }
+
+    private fun setupUI() {
+        binding = ActivityAdminBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        loadCurrentSettings()
+
+        binding.btnSave.setOnClickListener {
+            saveSettings()
+        }
+
+        binding.btnExit.setOnClickListener {
+            finish()
+        }
+
+        binding.btnExitKiosk.setOnClickListener {
+            // Exit kiosk mode completely
+            finishAffinity()
+        }
+    }
+
+    private fun loadCurrentSettings() {
+        runBlocking {
+            dataStore.data.first().let { prefs ->
+                binding.etHomepage.setText(
+                    prefs[stringPreferencesKey("homepage")] ?: "https://hobbs.farm"
+                )
+                binding.etWhitelist.setText(
+                    prefs[stringPreferencesKey("whitelist")] ?: "hobbs.farm"
+                )
+                binding.etIdleTimeout.setText(
+                    prefs[stringPreferencesKey("idle_timeout")] ?: "300"
+                )
+                binding.etAdminPin.setText(
+                    prefs[stringPreferencesKey("admin_pin")] ?: "1234"
+                )
+            }
+        }
+    }
+
+    private fun saveSettings() {
+        runBlocking {
+            dataStore.edit { prefs ->
+                prefs[stringPreferencesKey("homepage")] = binding.etHomepage.text.toString()
+                prefs[stringPreferencesKey("whitelist")] = binding.etWhitelist.text.toString()
+                prefs[stringPreferencesKey("idle_timeout")] = binding.etIdleTimeout.text.toString()
+                prefs[stringPreferencesKey("admin_pin")] = binding.etAdminPin.text.toString()
+            }
+        }
+        Toast.makeText(this, "Settings saved", Toast.LENGTH_SHORT).show()
+    }
+}