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：

/*** Author : wangning* Email : maoning20080809@163.com* Date : 2022/4/21 21:18* Description : 根据账户搜索用户*/
class SearchFriendsFragment : BaseDataBindingFragment() {override fun getLayoutRes() = R.layout.wc_fragment_contacts_searchprivate val xmppViewModel : XmppViewModel by viewModels()private val userViewModel : UserViewModel by viewModels()private val contactViewModel : ContactsViewModel by viewModels()private var adapter : SearchContactsAdapter? = null//好友列表private var contactsList : MutableList? = nullprivate var navController : NavController? = nulloverride fun onViewCreated(view: View, savedInstanceState: Bundle?) {super.onViewCreated(view, savedInstanceState)super.builder().setTitleContent("")navController = findNavController()contacts_search_cancel.setOnClickListener {Navigation.findNavController(it).popBackStack()}var account = DataStoreUtils.getAccount()contacts_search_result_layout.setOnClickListener {TagUtils.d("搜索查询：${contacts_search_phone.text.toString()}")//xmppViewModel.searchUserByName(contacts_search_phone.text.toString())userViewModel.getUserLikeAccount(account, contacts_search_phone.text.toString())}contacts_search_phone.addTextChangedListener(object : TextWatcher{override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {}override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {//TagUtils.d("onTextChanged ${s}, , count = ${count}, length = ${s?.length}")if(s?.length!! > 0){var result = getString(R.string.wc_search_friend_tips, s)contacts_search_result_layout.visibility = View.VISIBLEcontacts_search_result_txt.text = result} else {contacts_search_result_layout.visibility = View.GONEcontacts_search_recycler_view.visibility = View.GONE}}override fun afterTextChanged(s: Editable?) {}})userViewModel.getUserListLiveData.observe(viewLifecycleOwner){if(it == null || it.size < 1){ToastUtils.makeText(R.string.search_list_empty)} else {contacts_search_recycler_view.visibility = View.VISIBLEadapter?.refresh(it)}}contactViewModel.getContactsList(account)contactViewModel.contactsListLiveData.observe(viewLifecycleOwner){contactsList = it}/*xmppViewModel.userListDataLiveData.observe(viewLifecycleOwner){contacts_search_recycler_view.visibility = View.VISIBLEadapter?.refresh(it)}*/adapter = SearchContactsAdapter()var linearLayoutManager = LinearLayoutManager(activity)linearLayoutManager.orientation = LinearLayoutManager.VERTICALcontacts_search_recycler_view.layoutManager = linearLayoutManagercontacts_search_recycler_view.adapter = adapteradapter?.setOnItemClickInterface(object : SearchContactsAdapter.OnItemClickInterface{override fun onItemClick(userBean: UserBean) {SoftInputUtils.hideSoftInput(contacts_search_result_layout)navController?.popBackStack(R.id.nav_contacts_add_friends, true)if(isFriend(userBean.account)) {//如果是好友，直接跳转到聊天页面var bundle = bundleOf(ChatFragment.USER_ID to userBean.account)navController?.navigate(R.id.nav_chat, bundle)} else {val bundle = bundleOf("userbean" to userBean)navController?.navigate(R.id.action_contacts_search_friends_details, bundle)}}})}private fun isFriend(searchAccount : String) : Boolean{var resultList = contactsList?.filter {it.toAccount.equals(searchAccount)}return resultList?.size!! > 0}}

/*** Author : wangning* Email : maoning20080809@163.com* Date : 2022/4/22 17:51* Description :*/
class SearchContactsAdapter : RecyclerView.Adapter(){private var userList = ArrayList()private var onItemClickInterface :OnItemClickInterface? = nullfun setOnItemClickInterface(onItemClickInterface :OnItemClickInterface?){this.onItemClickInterface = onItemClickInterface}override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): SearchViewHolder {var view = LayoutInflater.from(parent.context).inflate(R.layout.wc_fragment_contacts_search_item, parent, false)return SearchViewHolder(view)}override fun onBindViewHolder(holder: SearchViewHolder, position: Int) {var userBean = userList.get(position)holder.account.text = BaseUtils.getString(R.string.wc_search_friend_account, userBean.account)holder.account.setOnClickListener {onItemClickInterface?.onItemClick(userBean)}}fun refresh(userList : ArrayList) {if(userList == null || userList.size == 0){this.userList = ArrayList()} else {this.userList = userList}notifyDataSetChanged()}override fun getItemCount(): Int  = userList?.sizeclass SearchViewHolder(itemView : View) : RecyclerView.ViewHolder(itemView) {var account = itemView.findViewById(R.id.contacts_search_item_account)}interface OnItemClickInterface{abstract fun onItemClick(userBean: UserBean)}
}