Kotlin高仿微信-第17篇-单聊-转账

Kotlin高仿微信-项目实践58篇详细讲解了各个功能点，包括：注册、登录、主页、单聊(文本、表情、语音、图片、小视频、视频通话、语音通话、红包、转账)、群聊、个人信息、朋友圈、支付服务、扫一扫、搜索好友、添加好友、开通VIP等众多功能。

Kotlin高仿微信-项目实践58篇，点击查看详情

效果图：

实现代码：

我的转账页面

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="right">


    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/transfer_me_root_layout"
        android:layout_width="240dp"
        android:layout_height="90dp"
        android:background="@drawable/wc_redpacket_right_normal">

        <TextView
            android:id="@+id/transfer_me_balance"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:text="0.01"
            android:textColor="#ffffff"
            android:textSize="16sp"
            android:textStyle="bold"
            android:layout_marginTop="2dp"
            android:maxLines="1"
            android:ellipsize="end"
            android:singleLine="true"
            app:layout_constraintTop_toTopOf="@+id/transfer_me_icon"
            app:layout_constraintStart_toEndOf="@+id/transfer_me_icon"/>

        <TextView
            android:id="@+id/transfer_me_content"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:text="你发起了一笔转账"
            android:textColor="#ffffff"
            android:textSize="12sp"
            app:layout_constraintTop_toBottomOf="@+id/transfer_me_balance"
            app:layout_constraintStart_toEndOf="@+id/transfer_me_icon"/>

        <TextView
            android:layout_width="match_parent"
            android:layout_height="0.2dp"
            android:layout_marginLeft="20dp"
            android:layout_marginRight="10dp"
            android:background="#ffffff"
            app:layout_constraintBottom_toTopOf="@+id/redpacket_tip"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/transfer_me_icon" />

        <TextView
            android:id="@+id/redpacket_tip"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:layout_marginBottom="6dp"
            android:text="@string/wc_chat_transfer_tip"
            android:textColor="#d9d6c3"
            android:textSize="10sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintStart_toStartOf="parent" />

        <androidx.appcompat.widget.AppCompatImageView
            android:id="@+id/transfer_me_icon"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="20dp"
            android:layout_marginTop="12dp"
            android:src="@drawable/wc_chat_transfer_icon"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

    </androidx.constraintlayout.widget.ConstraintLayout>

</RelativeLayout>

好友的转账页面：

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:app="http://schemas.android.com/apk/res-auto">

    <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/transfer_other_root_layout"
        android:layout_width="240dp"
        android:layout_height="90dp"
        android:background="@drawable/wc_redpacket_left_normal">


        <androidx.appcompat.widget.AppCompatImageView
            android:id="@+id/other_transfer_icon"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="18dp"
            android:layout_marginTop="10dp"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            android:background="@drawable/wc_chat_transfer_icon"/>

        <TextView
            android:id="@+id/transfer_other_balance"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="0.01"
            android:textSize="16sp"
            android:textColor="#ffffff"
            android:textStyle="bold"
            android:layout_marginTop="2dp"
            android:layout_marginLeft="10dp"
            app:layout_constraintStart_toEndOf="@+id/other_transfer_icon"
            app:layout_constraintTop_toTopOf="@+id/other_transfer_icon"/>

        <TextView
            android:id="@+id/transfer_other_content"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="请收款"
            android:textSize="12sp"
            android:textColor="#ffffff"
            android:textStyle="bold"
            android:layout_marginLeft="10dp"
            app:layout_constraintStart_toEndOf="@+id/other_transfer_icon"
            app:layout_constraintTop_toBottomOf="@+id/transfer_other_balance"/>

        <TextView
            android:layout_width="match_parent"
            android:layout_height="0.2dp"
            android:background="#ffffff"
            android:layout_marginLeft="20dp"
            android:layout_marginRight="10dp"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/other_transfer_icon"
            app:layout_constraintBottom_toTopOf="@+id/transfer_tip"/>

        <TextView
            android:id="@+id/transfer_tip"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintBottom_toBottomOf="parent"
            android:layout_marginBottom="6dp"
            android:layout_marginLeft="20dp"
            android:text="@string/wc_chat_transfer_tip"
            android:textSize="10sp"
            android:textColor="#d9d6c3"/>

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

package com.wn.wechatclientdemo.fragment.me.payment

import android.os.Bundle
import android.view.View
import androidx.fragment.app.viewModels
import androidx.navigation.NavController
import androidx.navigation.fragment.findNavController
import com.wn.wechatclientdemo.R
import com.wn.wechatclientdemo.databinding.WcTransferMainBinding
import com.wn.wechatclientdemo.fragment.base.BaseDataBindingFragment
import com.wn.wechatclientdemo.utils.*
import com.wn.wechatclientdemo.view.BaseDialogUtils
import com.wn.wechatclientdemo.viewmodel.ChatViewModel
import com.wn.wechatclientdemo.viewmodel.UserViewModel
import kotlinx.android.synthetic.main.wc_transfer_main.*

/**
 * Author : wangning
 * Email : maoning20080809@163.com
 * Date : 2022/5/22 16:43
 * Description : 查看转账详情
 */
class TransferDetailsFragment : BaseDataBindingFragment<WcTransferMainBinding>(){

    override fun getLayoutRes() = R.layout.wc_transfer_main

    private val userViewModel: UserViewModel by viewModels()
    private val chatViewModel: ChatViewModel by viewModels()

    private var navController : NavController? = null
    private var balance: Float = 0.0f
    private var messageId = ""
    private var toUser = ""
    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        super.builder().setTitleContent(R.string.wc_base_top_transfer)

        arguments?.let {
            toUser = it.get(CommonUtils.QRCommon.TO_USER) as String
            messageId = it.get(CommonUtils.Chat.MESSAGE_ID) as String
            var balanceStr  = it.get(CommonUtils.QRCommon.TRANSFER_BALANCE) as String
            TagUtils.d("转账：${toUser}, ${messageId}, ${balanceStr}")
            balance = balanceStr.toFloat()
            trans_main_balance.text = CommonUtils.Base.getFormatBalanceUnit(balance)
        }

        navController = findNavController()
        var account = DataStoreUtils.getAccount()
        var userBean = userViewModel.getUserLocalAsync(toUser)
        var chatBean = chatViewModel.getChatByMessageIdAsync(messageId)
        trans_main_time.text = CommonUtils.Date.getCurrentDate(chatBean.addTime)
        if(account.equals(toUser)){
            if(chatBean.isClick == 1){
                //已经领取
                trans_main_icon.setImageResource(R.drawable.wc_transfer_time_complete)
                trans_main_name.text = BaseUtils.getString(R.string.wc_transfer_receive_other)
                trans_main_receive.visibility = View.GONE
            } else {
                //待收款
                trans_main_name.text = BaseUtils.getString(R.string.wc_transfer_waitfor_other)
                trans_main_receive.visibility = View.VISIBLE
            }
        } else {
            trans_main_name.text = BaseUtils.getString(R.string.wc_transfer_name_me, userBean.nickName)
            trans_main_receive.visibility = View.GONE
        }

        userViewModel.balanceLiveData.observe(viewLifecycleOwner){
            dismissLoadingDialog()
            if(it >0){
                chatViewModel.updateChatClickByMessageIdLocal(1, messageId)
                navController?.popBackStack()
            } else {
                TagUtils.d("收款失败！")
            }
        }

        trans_main_receive.setOnClickListener {
            if(balance < 0){
                ToastUtils.makeText("转账金额不能小于0")
            } else {
                showLoadingDialog()
                userViewModel.updateBalanceServer(toUser, CommonUtils.User.OPERATOR_PLUS, balance)
            }
        }
    }

    override fun onDestroy() {
        super.onDestroy()
    }

    private var loadingUtils : BaseDialogUtils? = null
    //显示加载对话框
    private fun showLoadingDialog(){
        loadingUtils = BaseDialogUtils(requireActivity())
        loadingUtils!!.builder()
            .hideCancel()
            .hideConfirm()
            .setCancelable(true)
            .setOnLoadingClick(object : BaseDialogUtils.OnLoadingClick{
                override fun onClickCancel() {
                    ToastUtils.makeText(requireActivity(), "对话框取消按钮")
                }

                override fun onClickConfirm() {
                    ToastUtils.makeText(requireActivity(), "对话框确定按钮")
                }
            })
        loadingUtils?.show()
    }

    //隐藏加载对话框
    private fun dismissLoadingDialog(){
        loadingUtils?.dismiss()
    }

}

/**
 * Author : wangning
 * Email : maoning20080809@163.com
 * Date : 2022/5/22 16:43
 * Description : 转账
 */
class PaymentTransferFragment : BaseDataBindingFragment<WcPaymentTransferBinding>(), MyDispatchTouchEventListener {

    override fun getLayoutRes() = R.layout.wc_payment_transfer
    private val userViewModel : UserViewModel by viewModels()
    private var navController : NavController? = null

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

        super.builder().setTitleContent("")

        var toUser = arguments?.get(CommonUtils.QRCommon.TO_USER) as String
        BaseUtils.showAvatarRounded(toUser, transfer_icon, transfer_name, BaseUtils.getDimension(R.dimen.distance_10))

        DispatchTouchEventUtils.registerDispatchTouchListener(this)
        navController = findNavController()
        transfer_balance.showSoftInputOnFocus = false
        num_keyboard_view.initEditText(transfer_balance)

        num_keyboard_view.setValue(R.string.wc_transfer_txt)

        transfer_balance.setOnClickListener {
            num_keyboard_view.visibility = View.VISIBLE
        }

        num_keyboard_item_recharge.setOnClickListener {
            TagUtils.d("转账金额：${transfer_balance.text}")
            var result = transfer_balance.text.toString()
            if(TextUtils.isEmpty(result)){
                ToastUtils.makeText(requireActivity(), "请输入金额")
                return@setOnClickListener
            }
            //减掉服务器金额
            userViewModel.updateBalanceServer(toUser, CommonUtils.User.OPERATOR_MINUS, transfer_balance.text.toString().toFloat())

            navController?.previousBackStackEntry?.savedStateHandle?.set(CommonUtils.QRCommon.TRANSFER_BALANCE, transfer_balance.text.toString().toFloat())
            //弹出的id为fragment，不能为action
            navController?.popBackStack()
        }

    }

    override fun onDestroy() {
        super.onDestroy()
        DispatchTouchEventUtils.unregisterDispatchTouchListener(this)
    }

    override fun dispatchTouchEvent(ev: MotionEvent) {
        if (ev.action == MotionEvent.ACTION_DOWN) {
            if (SoftInputUtils.isInput(transfer_balance, ev)) {
                num_keyboard_view?.visibility = View.GONE
            }
        }
    }

    override fun onResume() {
        super.onResume()

        transfer_balance.isFocusableInTouchMode = true
        transfer_balance.requestFocus()
        transfer_balance.setOnKeyListener { view, i, keyEvent ->
            if (i == KeyEvent.KEYCODE_BACK && keyEvent.getAction() == KeyEvent.ACTION_DOWN) {
                if(num_keyboard_view.visibility == View.VISIBLE){
                    hideNumKeyboardView()
                    true
                } else {
                    false
                }
            } else {
                false
            }
        }
    }

    private fun hideNumKeyboardView(){
        num_keyboard_view.visibility = View.GONE
    }

    private fun showNumKeyboardView(){
        num_keyboard_view.visibility = View.VISIBLE
    }


}

//发送文本、红包、表情
private fun sendMessage(chatBean: ChatBean){
    if(chatBean == null){
        ToastUtils.makeText(requireActivity(), "发送信息不能为空")
        return
    }
    var content = chatBean.content
    if(TextUtils.isEmpty(content)){
        ToastUtils.makeText(requireActivity(), "发送信息不能为空")
    } else {
        ChatManagerUtils.getInstance().sendMessage(toUserId, content)
        chat_content.setText("")
        CoroutineScope(Dispatchers.IO).launch {
            if(chatBean.contentType == ChatBean.CONTENT_TYPE_REDPACKET){
                var content = chatBean.content
                chatBean.content = CommonUtils.Chat.getRedpacket(content).toString()
            } else if(chatBean.contentType == ChatBean.CONTENT_TYPE_TRANSFER){
                var content = chatBean.content
                chatBean.content = CommonUtils.Chat.getTransfer(content).toString()
            }
            ChatRepository.insertChat(chatBean)
        }
        refreshBase(chatBean)
    }
}


/**
 * 刷新发送、接收聊天信息
 * @param chatBean ChatBean
 */
private fun refreshBase(chatBean: ChatBean){
    CoroutineScope(Dispatchers.Main).launch {
        //chatViewModel.insertChat(chatBean)
        TagUtils.d("ChatFragment refreshBase 刷新聊天信息 ")
        adapter.refresh(chatBean)
        if(chatBean.contentType == ChatBean.CONTENT_TYPE_LOCATION){
            delay(200)
        }
        swipe_target.scrollToPosition(adapter.itemCount -1)
    }
}