desc:wifi图标只有在有信号才显示，单纯打开开关不显示

app/src/main/java/com/yinuo/safetywatcher/watcher/view/CommonTopBar.kt

@@ -70,9 +70,12 @@ class CommonTopBar : LinearLayout {
     private val wifiCallback = object : WifiHelper.OnWifiLevelCallback {
         override fun onEnable(enable: Boolean) {
             Log.i(this@CommonTopBar.javaClass.name, "wifiCallback onEnable = $enable")
-            if (enable) {
+//            if (enable) {
-                mBinding?.wifi?.visibility = VISIBLE
+//                mBinding?.wifi?.visibility = VISIBLE
-            } else {
+//            } else {
+//                mBinding?.wifi?.visibility = GONE
+//            }
+            if (!enable) {
                 mBinding?.wifi?.visibility = GONE
             }
         }
@@ -80,6 +83,7 @@ class CommonTopBar : LinearLayout {
         override fun onLevel(level: Int) {
             Log.i(this@CommonTopBar.javaClass.name, "wifiCallback onLevel = $level")
             val showLevel = (level + 1) * 20
+            mBinding?.wifi?.visibility = if (showLevel > 0) VISIBLE else GONE
             mBinding?.wifi?.setImageLevel(showLevel)
         }
     }