Handle Android API authorization setup

android/TradeBotMonitor/app/build.gradle.kts

@@ -10,7 +10,7 @@ android {
         applicationId = "xyz.kusoft.tradebotmonitor"
         minSdk = 26
         targetSdk = 36
-        versionCode = 3
-        versionName = "0.2.0"
+        versionCode = 4
+        versionName = "0.2.1"
     }
 }

android/TradeBotMonitor/app/src/main/java/xyz/kusoft/tradebotmonitor/MainActivity.kt

@@ -33,7 +33,6 @@ class MainActivity : Activity() {
     private val executor = Executors.newSingleThreadExecutor()
     private val mainHandler = Handler(Looper.getMainLooper())
     private val scrollPositions = mutableMapOf<String, Int>()
-    private val clockFormat = SimpleDateFormat("HH:mm", Locale("ru", "RU"))
 
     private var snapshot: BotSnapshot? = null
     private var lastError: String = ""
@@ -78,10 +77,10 @@ class MainActivity : Activity() {
         bottomNav = LinearLayout(this).apply {
             orientation = LinearLayout.HORIZONTAL
             gravity = Gravity.CENTER
-            setPadding(dp(10), dp(7), dp(10), dp(9))
+            setPadding(dp(10), dp(7), dp(10), dp(9) + navigationBarInset())
             background = boxDrawable(palette.panel, palette.line, 0)
         }
-        root.addView(bottomNav, LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, dp(64)))
+        root.addView(bottomNav, LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, dp(64) + navigationBarInset()))
 
         renderBottomNav()
         render(saveScroll = false)
@@ -187,7 +186,7 @@ class MainActivity : Activity() {
         box.addView(statusLine("AI Торговля", modeBadgeText()))
         val data = snapshot
         if (data == null) {
-            box.addView(emptyState("Нет данных от API. ${lastError.ifBlank { "Проверь подключение." }}").top(dp(18)))
+            box.addView(connectionStatePanel().top(dp(18)))
             return wrapScroll(box)
         }
 
@@ -211,7 +210,7 @@ class MainActivity : Activity() {
         box.addView(statusLine("Рынки", "12 spot-пар"))
         val data = snapshot
         if (data == null) {
-            box.addView(emptyState("Нет данных от API. ${lastError.ifBlank { "Проверь подключение." }}").top(dp(18)))
+            box.addView(connectionStatePanel().top(dp(18)))
             return wrapScroll(box)
         }
 
@@ -232,7 +231,7 @@ class MainActivity : Activity() {
         box.addView(statusLine("Сделка и риск", prefs.selectedSymbol))
         val data = snapshot
         if (data == null) {
-            box.addView(emptyState("Нет данных от API. ${lastError.ifBlank { "Проверь подключение." }}").top(dp(18)))
+            box.addView(connectionStatePanel().top(dp(18)))
             return wrapScroll(box)
         }
 
@@ -255,7 +254,7 @@ class MainActivity : Activity() {
         box.addView(statusLine("Активы", modeBadgeText()))
         val data = snapshot
         if (data == null) {
-            box.addView(emptyState("Нет данных от API. ${lastError.ifBlank { "Проверь подключение." }}").top(dp(18)))
+            box.addView(connectionStatePanel().top(dp(18)))
             return wrapScroll(box)
         }
 
@@ -662,15 +661,46 @@ class MainActivity : Activity() {
             addView(LinearLayout(this@MainActivity).apply {
                 orientation = LinearLayout.HORIZONTAL
                 gravity = Gravity.CENTER_VERTICAL
-                addView(text(clockFormat.format(Date()), 13f, Typeface.BOLD), LinearLayout.LayoutParams(0, ViewGroup.LayoutParams.WRAP_CONTENT, 1f))
+                addView(text(title, 21f, Typeface.BOLD), LinearLayout.LayoutParams(0, ViewGroup.LayoutParams.WRAP_CONTENT, 1f))
                 addView(statusBadge(badge, if (snapshot?.running == true) "ok" else "warn"))
             })
-            addView(text(title, 21f, Typeface.BOLD).top(dp(18)))
             if (lastError.isNotBlank() && snapshot == null) {
                 addView(text(lastError.take(120), 12f, Typeface.NORMAL, palette.red).top(dp(6)))
             }
         }
 
+    private fun connectionStatePanel(): View {
+        if (!isAuthError()) {
+            return emptyState("Нет данных от API. ${lastError.ifBlank { "Проверь подключение." }}")
+        }
+        val apiInput = input("Адрес API бота", prefs.apiBaseUrl)
+        val authInput = input("Логин и пароль: login:password", prefs.commandToken).apply {
+            inputType = InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_VARIATION_PASSWORD
+        }
+        return section("Нужен вход в API", LinearLayout(this).apply {
+            orientation = LinearLayout.VERTICAL
+            addView(text("Сервер tb.kusoft.xyz отвечает 401, значит он доступен, но требует авторизацию. Введите доступ в формате login:password, приложение само отправит Basic Auth.", 13f, Typeface.NORMAL, palette.muted))
+            addView(apiInput.top(dp(12)))
+            addView(authInput.top(dp(8)))
+            addView(actionRow(
+                "Подключиться" to {
+                    prefs.apiBaseUrl = apiInput.text.toString()
+                    prefs.commandToken = authInput.text.toString()
+                    toast("Доступ сохранен, проверяю API")
+                    refreshData(silent = false)
+                },
+                "Настройки" to {
+                    activeTab = "settings"
+                    renderBottomNav()
+                    render(saveScroll = false)
+                },
+            ).top(dp(10)))
+        })
+    }
+
+    private fun isAuthError(): Boolean =
+        lastError.contains("401")
+
     private fun searchPlaceholder(value: String): View =
         TextView(this).apply {
             text = value
@@ -828,7 +858,7 @@ class MainActivity : Activity() {
     private fun screenContent(): LinearLayout =
         LinearLayout(this).apply {
             orientation = LinearLayout.VERTICAL
-            setPadding(dp(18), dp(16), dp(18), dp(22))
+            setPadding(dp(18), dp(16) + statusBarInset(), dp(18), dp(22))
         }
 
     private fun wrapScroll(content: View): View =
@@ -1042,6 +1072,17 @@ class MainActivity : Activity() {
     private fun dp(value: Int): Int =
         (value * resources.displayMetrics.density).toInt()
 
+    private fun statusBarInset(): Int =
+        systemBarInset("status_bar_height")
+
+    private fun navigationBarInset(): Int =
+        systemBarInset("navigation_bar_height")
+
+    private fun systemBarInset(name: String): Int {
+        val id = resources.getIdentifier(name, "dimen", "android")
+        return if (id > 0) resources.getDimensionPixelSize(id) else 0
+    }
+
     private fun toast(message: String) {
         Toast.makeText(this, message, Toast.LENGTH_LONG).show()
     }

android/TradeBotMonitor/app/src/main/java/xyz/kusoft/tradebotmonitor/TradeBotApi.kt

@@ -76,6 +76,9 @@ class TradeBotApi(
         val text = stream?.bufferedReader(StandardCharsets.UTF_8)?.use(BufferedReader::readText).orEmpty()
         connection.disconnect()
         if (code !in 200..299) {
+            if (code == HttpURLConnection.HTTP_UNAUTHORIZED) {
+                throw IllegalStateException("HTTP 401: сервер требует логин и пароль")
+            }
             throw IllegalStateException("HTTP $code: ${text.take(240)}")
         }
         return if (text.isBlank()) JSONObject() else JSONObject(text)