Kotlin高仿微信-第22篇-个人信息-修改昵称

实现代码：

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

    <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@drawable/wc_base_bg">

        <include layout="@layout/wc_base_top_title" />


        <androidx.appcompat.widget.AppCompatEditText
            android:id="@+id/personal_update_name"
            app:layout_constraintTop_toBottomOf="@+id/base_top_root_layout"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintRight_toRightOf="parent"
            android:paddingLeft="20dp"
            android:layout_marginTop="20dp"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingVertical="10dp"
            android:background="@null"
            android:textColor="@color/black"
            android:textSize="20sp"
            android:text="名称"/>

        <androidx.appcompat.widget.AppCompatTextView
            android:id="@+id/personal_update_name_tip"
            app:layout_constraintLeft_toLeftOf="@+id/personal_update_name"
            app:layout_constraintTop_toBottomOf="@+id/personal_update_name"
            android:layout_marginLeft="20dp"
            android:layout_marginTop="10dp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="@color/gray"
            android:textSize="16sp"
            android:text="@string/wc_personal_name_tip"/>

    </androidx.constraintlayout.widget.ConstraintLayout>
</layout>

/**
 * Author : wangning
 * Email : maoning20080809@163.com
 * Date : 2022/6/14 16:36
 * Description : 修改名字
 */
class PersonalUpdateNameFragment : BaseDataBindingFragment<WcPersonalUpdateNameBinding>(){

    override fun getLayoutRes() = R.layout.wc_personal_update_name
    private val userViewModel : UserViewModel by viewModels()

    private var userBean : UserBean? = null

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        super.builder()
            .setTitleContent(R.string.wc_base_top_personal_name)
            .showRightButton()
            .setRightContent(R.string.wc_personal_update_name_button)
            .setOnRightItemClick(object: WcOnItemClickInterface{
            override fun onItemClick(obj: Any) {
                userBean?.let {
                    it.nickName = personal_update_name.text.toString()
                    var userGson = Gson().toJson(it)
                    userViewModel.updateUserServer(userGson)
                }
            }
        })

        var account = DataStoreUtils.getAccount()
        userViewModel.getUserLocal(account)
        userViewModel.userBeanLocal.observe(viewLifecycleOwner){
            it?.let {
                userBean = it
                personal_update_name.setText(it.nickName)
                //光标放在最后
                personal_update_name?.setSelection(it.nickName?.length)
            }
        }

        userViewModel.updateUserServer.observe(viewLifecycleOwner){
            if(it){
                //更改名字成功，同步到本地数据库
                userBean?.let {
                    CoroutineScope(Dispatchers.IO).launch {
                        UserRepository.updateUser(it)
                    }
                }
                ToastUtils.makeText(R.string.wc_personal_update_name_success)
                var eventMsgBean = EventMsgBean(EventMsgBean.TYPE_REFRESH_USER_NAME)
                eventMsgBean.obj = personal_update_name.text.toString()
                EventBus.getDefault().post(eventMsgBean)
                Navigation.findNavController(personal_update_name).popBackStack()
            } else {
                ToastUtils.makeText(R.string.wc_personal_update_name_failure)
            }
        }

    }

}