页面值不更新

[codeceo-net]

package com.reagent.www.ui.user;

import android.os.Bundle;

import androidx.annotation.Nullable; import androidx.databinding.ViewDataBinding; import androidx.lifecycle.ViewModelProviders;

import com.reagent.www.BR; import com.reagent.www.R; import com.reagent.www.app.AppViewModelFactory; import com.reagent.www.data.BaseRepository; import com.reagent.www.databinding.ActivityUserBinding; import com.reagent.www.ui.xpopup.XpopupViewModel; import com.spd.base.mvvm.base.BaseActivity; import com.spd.base.mvvm.base.BaseViewModel;

/**

• @ClassName UserActivity
• @Description TODO
• @Author Mr.Bai
• @Date 2021/4/16 16:21

• @Version 1.0 */ public class UserActivity extends BaseActivity<ActivityUserBinding,UserViewModel> { @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); } @Override public int initContentView(Bundle savedInstanceState) { return R.layout.activity_user; } @Override public int initVariableId() { return BR.viewmodel; } @Override public UserViewModel initViewModel() { //使用自定义的ViewModelFactory来创建ViewModel，如果不重写该方法，则默认会调用LoginViewModel(@NonNull Application application)构造方法 AppViewModelFactory factory = AppViewModelFactory.getInstance(getApplication()); return ViewModelProviders.of(this, factory).get(UserViewModel.class); } @Override public void initData() { super.initData();

  } @Override public void initViewObservable() { binding.tvSex.setText("nan"); } }

package com.reagent.www.ui.user;

import android.app.Application;

import androidx.annotation.NonNull; import androidx.databinding.ObservableField;

import com.reagent.www.data.BaseRepository; import com.spd.base.mvvm.base.BaseViewModel;

/**

• @ClassName UserViewModel
• @Description TODO
• @Author Mr.Bai
• @Date 2021/4/16 16:25

• @Version 1.0 */ public class UserViewModel extends BaseViewModel { public ObservableField titles = new ObservableField<>("wo sgi "); public UserViewModel(@NonNull Application application) { super(application); } public UserViewModel(@NonNull Application application, BaseRepository baseRepository ) { super(application); titles.set("ssss;ll");

  }

  @Override public void onCreate() { super.onCreate(); } @Override protected void onCleared() { super.onCleared(); } @Override public void onDestroy() { super.onDestroy(); } }

<?xml version="1.0" encoding="utf-8"?>

<layout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:binding="http://schemas.android.com/apk/res-auto">

<androidx.constraintlayout.widget.ConstraintLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/colorPrimary">

    <TextView
        android:id="@+id/tv_sex"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@{user.titles}"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>

代码如上 但是页面上的值为什么更新不了，对比其他页面没有错误呀，就是不更新