v9.4.4: 修试用提示页遥控器选不了/关不掉(焦点+关闭按钮+BACK) + Login/AiSettings补BACK

app/src/main/java/com/iptv807/tv/AiSettingsActivity.kt

@@ -96,4 +96,8 @@ class AiSettingsActivity : Activity() {
             }.start()
         }
     }
+    override fun onKeyDown(keyCode: Int, event: android.view.KeyEvent?): Boolean {
+        if (keyCode == android.view.KeyEvent.KEYCODE_BACK) { finish(); return true }
+        return super.onKeyDown(keyCode, event)
+    }
 }