Port Android server runtime to GaCy Go

app/src/main/java/com/gacy/android/MainActivity.kt

@@ -1,14 +1,35 @@
 package com.gacy.android
 
 import android.Manifest
+import android.content.ClipData
+import android.content.ClipboardManager
+import android.content.Context
 import android.content.pm.PackageManager
 import android.os.Build
 import android.os.Bundle
+import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.selection.SelectionContainer
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
+import androidx.core.view.WindowCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.WindowInsetsControllerCompat
 import com.gacy.android.ui.screens.MainScreen
 import com.gacy.android.ui.theme.GaCyTheme
 
@@ -16,12 +37,83 @@ class MainActivity : ComponentActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        CrashTracker.breadcrumb(this, "MainActivity: onCreate")
+
+        // ซ่อน Status Bar
+        val windowInsetsController = WindowCompat.getInsetsController(window, window.decorView)
+        windowInsetsController.systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
+        windowInsetsController.hide(WindowInsetsCompat.Type.statusBars()) // ใช้ .systemBars() ถ้าต้องการซ่อน Navigation Bar ด้านล่างด้วย
+
         enableEdgeToEdge()
         requestAppPermissions()
 
         setContent {
             GaCyTheme {
+                var crashReport by remember { mutableStateOf(CrashTracker.getLastCrash(this@MainActivity)) }
+
                 MainScreen()
+
+                if (crashReport != null) {
+                    AlertDialog(
+                        onDismissRequest = {
+                            CrashTracker.clearLastCrash(this@MainActivity)
+                            crashReport = null
+                        },
+                        title = {
+                            Text(
+                                "⚠️ GaCy Crash Report",
+                                fontWeight = FontWeight.Bold,
+                                color = MaterialTheme.colorScheme.error
+                            )
+                        },
+                        text = {
+                            Column {
+                                Text(
+                                    "A fatal error occurred in the previous session:",
+                                    fontSize = 13.sp,
+                                    color = Color.LightGray
+                                )
+                                Spacer(modifier = Modifier.height(8.dp))
+                                SelectionContainer {
+                                    Text(
+                                        text = crashReport ?: "",
+                                        fontSize = 11.sp,
+                                        fontFamily = FontFamily.Monospace,
+                                        modifier = Modifier
+                                            .fillMaxWidth()
+                                            .heightIn(max = 300.dp)
+                                            .verticalScroll(rememberScrollState())
+                                            .background(Color(0xFF1E1E1E), RoundedCornerShape(8.dp))
+                                            .padding(8.dp),
+                                        color = Color(0xFFFF8A80)
+                                    )
+                                }
+                            }
+                        },
+                        confirmButton = {
+                            Button(
+                                onClick = {
+                                    val clipboard = getSystemService(Context.CLIPBOARD_SERVICE) as? ClipboardManager
+                                    val clip = ClipData.newPlainText("GaCy Crash", crashReport)
+                                    clipboard?.setPrimaryClip(clip)
+                                    Toast.makeText(this@MainActivity, "Crash report copied!", Toast.LENGTH_SHORT).show()
+                                }
+                            ) {
+                                Text("Copy Log")
+                            }
+                        },
+                        dismissButton = {
+                            TextButton(
+                                onClick = {
+                                    CrashTracker.clearLastCrash(this@MainActivity)
+                                    crashReport = null
+                                }
+                            ) {
+                                Text("Dismiss")
+                            }
+                        }
+                    )
+                }
             }
         }
     }