体验优化: 拆除Splash屏2秒线程硬等待，改为异步检查就绪状态

app/src/main/java/com/stand/standapp/SplashActivity.kt

@@ -7,14 +7,37 @@ import android.os.Looper
 import androidx.appcompat.app.AppCompatActivity
 
 class SplashActivity : AppCompatActivity() {
+    private val handler = Handler(Looper.getMainLooper())
+    private var checkCount = 0
+    private val maxChecks = 20 // 最多检查20次(2秒)
+
+    private val checkInitRunnable = object : Runnable {
+        override fun run() {
+            if (MyApplication.pNative != null || checkCount >= maxChecks) {
+                navigateToLogin()
+            } else {
+                checkCount++
+                handler.postDelayed(this, 100)
+            }
+        }
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_splash)
 
-        // 延迟 2 秒进入登录界面
-        Handler(Looper.getMainLooper()).postDelayed({
-            startActivity(Intent(this, LoginActivity::class.java))
-            finish()
-        }, 2000)
+        // 异步检查PTT JNI初始化状态，避免硬等待2秒
+        handler.post(checkInitRunnable)
+    }
+
+    private fun navigateToLogin() {
+        if (isFinishing || isDestroyed) return
+        startActivity(Intent(this, LoginActivity::class.java))
+        finish()
+    }
+
+    override fun onDestroy() {
+        handler.removeCallbacks(checkInitRunnable)
+        super.onDestroy()
     }
 }