Feat: TV remote control via D-pad focus navigation using AccessibilityService

android/app/src/main/java/com/yama/client/CaptureService.kt

@@ -21,6 +21,7 @@ import android.provider.Settings
 import android.util.DisplayMetrics
 import android.util.Log
 import android.view.WindowManager
+import android.widget.Toast
 
 class CaptureService : Service() {
 
@@ -39,6 +40,14 @@ class CaptureService : Service() {
         // CS-01 fix: 通过 idrHandler.post 序列化到主线程，避免 TOCTOU 竞争
         @Volatile var instance: CaptureService? = null
 
+        @JvmStatic
+        fun onNativeStatus(msg: String) {
+            val svc = instance ?: return
+            svc.idrHandler.post {
+                Toast.makeText(svc, msg, Toast.LENGTH_LONG).show()
+            }
+        }
+
         @JvmStatic
         fun requestIdr() {
             val svc = instance ?: return
@@ -100,9 +109,16 @@ class CaptureService : Service() {
         super.onCreate()
         instance = this
         createNotificationChannel()
+        // CS-06: start with DATA_SYNC type only; upgrade to MEDIA_PROJECTION in
+        // onStartCommand when the token is actually available.  On Android 14+
+        // (targetSdk 34+) calling startForeground(MEDIA_PROJECTION) without
+        // immediately pairing it with getMediaProjection() causes the system to
+        // kill the service after a ~5-second grace period — the root cause of the
+        // 3-9 s disconnect seen on Google TV when no screen-capture permission
+        // was granted.
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
             startForeground(NOTIF_ID, buildNotification(),
-                android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION)
+                android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC)
         } else {
             startForeground(NOTIF_ID, buildNotification())
         }
@@ -124,12 +140,23 @@ class CaptureService : Service() {
         Log.i(TAG, "CaptureService: server=$ip:$port device=$model res=$res")
 
         // YB-01 fix: so 库加载失败是 Error，不被 catch(Exception) 捕获，需单独处理
+        // ExceptionInInitializerError 包裹 UnsatisfiedLinkError（首次访问 object 时触发）
+        val initRet: Int
         try {
-            YamaBridge.nativeInit(ip, port, androidId, model, osVer, res, user, packageCodePath ?: "")
+            initRet = YamaBridge.nativeInit(ip, port, androidId, model, osVer, res, user, packageCodePath ?: "")
         } catch (e: UnsatisfiedLinkError) {
             Log.e(TAG, "Native library load failed: $e")
             stopSelf()
             return START_NOT_STICKY
+        } catch (e: ExceptionInInitializerError) {
+            Log.e(TAG, "Native library init failed: ${e.cause}")
+            stopSelf()
+            return START_NOT_STICKY
+        }
+        if (initRet != 0) {
+            Log.e(TAG, "nativeInit failed: ret=$initRet")
+            stopSelf()
+            return START_NOT_STICKY
         }
 
         val projResult = intent.getIntExtra(EXTRA_PROJECTION_RESULT, -1)
@@ -139,12 +166,22 @@ class CaptureService : Service() {
             @Suppress("DEPRECATION") intent.getParcelableExtra(EXTRA_PROJECTION_DATA)
 
         if (projResult == android.app.Activity.RESULT_OK && projData != null) {
+            // Android 14+: upgrade foreground type to MEDIA_PROJECTION in the same
+            // start command that calls getMediaProjection(), as required by API 34+.
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                startForeground(NOTIF_ID, buildNotification(),
+                    android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION)
+            }
             val pm = getSystemService(MEDIA_PROJECTION_SERVICE) as MediaProjectionManager
             val mp = pm.getMediaProjection(projResult, projData)
             mediaProjection = mp
             // CS-05 fix: 分辨率为 0 时不启动采集，避免 MediaCodec 配置崩溃
             if (sw > 0 && sh > 0) {
-                startCapture(mp, sw, sh)
+                try {
+                    startCapture(mp, sw, sh)
+                } catch (e: Exception) {
+                    Log.e(TAG, "Screen capture failed: $e — running without capture")
+                }
             } else {
                 Log.e(TAG, "Invalid screen resolution ${sw}x${sh}, skipping capture")
             }
@@ -223,9 +260,14 @@ class CaptureService : Service() {
         // Android 14+ requires callback registered before createVirtualDisplay()
         mp.registerCallback(object : MediaProjection.Callback() {
             override fun onStop() {
-                Log.i(TAG, "MediaProjection stopped")
+                Log.i(TAG, "MediaProjection stopped — switching to dataSync foreground type")
                 stopCapture()
-                stopSelf()
+                // Android 14+: system auto-kills a foreground service whose mediaProjection
+                // is revoked. Re-declare as dataSync-only to survive without screen capture.
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                    startForeground(NOTIF_ID, buildNotification(),
+                        android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC)
+                }
             }
         }, null)