desc:UI线程设置UI

app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HomeActivity.kt

@@ -165,10 +165,12 @@ class HomeActivity : NoOptionsActivity() {
     }
 
     private fun showTipView() {
+        lifecycleScope.launch(Dispatchers.Main) {
             TxtOverlay.getOverlayBitmap()?.let {
                 mBinding.tipView.setImageBitmap(it)
             }
         }
+    }
 
     /**
      * 重启摄像头Runnable