修改用户存储的异步操作

app/src/main/java/com/navinfo/volvo/repository/preferences/PreferencesRepository.kt

@@ -15,5 +15,4 @@ interface PreferencesRepository {
     suspend fun getString(key: String): Flow<String?>
     suspend fun saveInt(key: String, content: Int)
     suspend fun getInt(key: String): Flow<Int?>
-    fun getUserName(): String
 }

app/src/main/java/com/navinfo/volvo/repository/preferences/PreferencesRepositoryImp.kt

@@ -51,16 +51,7 @@ class PreferencesRepositoryImp @Inject constructor(
         it[intPreferencesKey(key)]
     }
 
-    override fun loginUser(): Flow<LoginUser?> = loginUser.data
-
-    override fun getUserName(): String {
-        Log.e("jingo", "获取用户名 开始")
-        var username = ""
-        loginUser.data.map {
-            username = it.username
-        }
-        Log.e("jingo", "获取用户名 结束后 $username")
-        return username
+    override fun loginUser(): Flow<LoginUser?> {
+        return loginUser.data
     }
-
 }

app/src/main/java/com/navinfo/volvo/ui/fragments/login/LoginFragment.kt

@@ -63,13 +63,15 @@ class LoginFragment : BaseFragment() {
                 Toast.makeText(context, "请输入密码", Toast.LENGTH_SHORT).show()
                 return@setOnClickListener
             }
-            viewModel.onClickLogin(
-                viewBinding.loginUsername.text.toString(),
-                viewBinding.loginPassword.text.toString()
-            )
-            findNavController().navigate(R.id.action_login_to_home)
+            lifecycleScope.launch{
+                repeatOnLifecycle(Lifecycle.State.STARTED){
+                    viewModel.onClickLogin(
+                        viewBinding.loginUsername.text.toString(),
+                        viewBinding.loginPassword.text.toString()
+                    )
+                    findNavController().navigate(R.id.action_login_to_home)
+                }
+            }
         }
     }
-
-
 }

app/src/main/java/com/navinfo/volvo/ui/fragments/login/LoginViewModel.kt

@@ -7,6 +7,7 @@ import com.navinfo.volvo.repository.preferences.PreferencesRepository
 import com.navinfo.volvo.util.asLiveData
 //import com.navinfo.volvo.repository.preferences.PreferencesRepository
 import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Job
 import kotlinx.coroutines.cancel
 import kotlinx.coroutines.launch
 import javax.inject.Inject
@@ -17,12 +18,8 @@ class LoginViewModel @Inject constructor(private val repository: PreferencesRepo
 
     val user = repository.loginUser()
 
-    fun onClickLogin(name: String, password: String) {
-        if (name != "") {
-            viewModelScope.launch {
-                repository.saveLoginUser(id = "", name = name, password = password)
-            }
-        }
+    suspend fun onClickLogin(name: String, password: String) {
+        repository.saveLoginUser(id = "", name = name, password = password)
     }
 
 //    fun onClickLoginRegister(username: String, password: String) {