修复可能在lifecycleScope未执行完抛出的异常导致崩溃的问题

app/src/main/java/com/maxrocky/nativeview/fragment/StartFragment.kt

@@ -17,6 +17,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 class StartFragment : Fragment() {
     companion object {
@@ -46,18 +47,25 @@ class StartFragment : Fragment() {
 
         button.setOnClickListener {
             val url = urlEditText.text.trim().toString()
-            if (url.isNotEmpty()) {
+            if (url.isEmpty()) {
+                findNavController().navigate(
+                    R.id.action_startFragment_to_mainFragment,
+                    MainFragment.createStartBundle(url)
+                )
+                return@setOnClickListener
+            }
             lifecycleScope.launch(Dispatchers.IO) {
                 val storageKey = stringPreferencesKey(STORAGE_URL)
                 context?.dataStore?.edit {
                     it[storageKey] = url
                 }
-                }
-            }
+                withContext(Dispatchers.Main) {
                     findNavController().navigate(
                         R.id.action_startFragment_to_mainFragment,
                         MainFragment.createStartBundle(url)
                     )
                 }
             }
+        }
+    }
 }
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