Kotlin高仿微信-第5篇-主页-通讯录

 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 : 2022/4/7 13:13
 * description : 通讯录页面
 */
class ContactsFragment : BaseDataBindingFragment() {

    override fun getLayoutRes() = R.layout.wc_fragment_contacts

    private val contactsViewModel : ContactsViewModel by viewModels()

    private var adapter : ContactsAdapter = ContactsAdapter()

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        //TagUtils.d("新联系人 onViewCreated ")

        contacts_new_friends.builder()
            .hideRightImage()
            .hideContent()
            .setTitle("新的朋友")
            .setRootClick(View.OnClickListener {
                //Navigation.findNavController(it).navigate(R.id.action_contacts_friends)
                ToastUtils.showBaseTip()
            })
            .setLeftImage(R.drawable.wc_friends_contacts)

        if(!EventBus.getDefault().isRegistered(this)){
            EventBus.getDefault().register(this)
        }

        var linearLayoutManager = LinearLayoutManager(requireContext())
        linearLayoutManager.orientation = LinearLayoutManager.VERTICAL
        contacts_recyclerview.layoutManager = linearLayoutManager
        contacts_recyclerview.adapter = adapter

        var account = DataStoreUtils.getAccount()
        contactsViewModel.getContactsList(account)
        contactsViewModel.contactsListLiveData.observe(viewLifecycleOwner) {
            adapter.refresh(it)
        }

        adapter.setOnItemClickInterface(object : ContactsAdapter.OnItemClickInterface{
            override fun onItemClick(contactsBean: ContactsBean) {

                var account = DataStoreUtils.getAccount()
                var chatccount = ""
                if(account.equals(contactsBean.fromAccount)){
                    chatccount = contactsBean.toAccount
                } else {
                    chatccount = contactsBean.fromAccount
                }

                var bundle = bundleOf(ChatFragment.USER_ID to chatccount)
                Navigation.findNavController(contacts_recyclerview).navigate(R.id.action_chat, bundle)
            }
        })

    }

    /*override fun onResume() {
        super.onResume()
        TagUtils.d("通讯录 onHiddenChanged = onResume")
    }

    override fun onStop() {
        super.onStop()
        TagUtils.d("通讯录 onHiddenChanged = onStop ")
    }

    override fun onHiddenChanged(hidden: Boolean) {
        super.onHiddenChanged(hidden)
        TagUtils.d("通讯录 onHiddenChanged = ${hidden}")
        if(!hidden){
            TagUtils.d("通讯录 onHiddenChanged = ")
        }
    }*/

    @Subscribe(threadMode = ThreadMode.MAIN)
    fun onMessageCallback(eventMsgBean: EventMsgBean) {
        //TagUtils.d("刷新联系人列表 type = ${eventMsgBean.type}")
        if(eventMsgBean.type == EventMsgBean.TYPE_REFRESH_CONTACTS){
            refresh()
        }
    }

    fun refresh(){
        var account = DataStoreUtils.getAccount()
        contactsViewModel.getContactsList(account)
    }

    override fun onDestroy() {
        super.onDestroy()
        EventBus.getDefault().unregister(this)
    }


}

/**
 * Author : wangning
 * Email : maoning20080809@163.com
 * Date : 2022/4/24 12:09
 * Description : 通讯录
 */
class ContactsAdapter : RecyclerView.Adapter() {

    private var contactList : MutableList = ArrayList()
    private var onItemClickInterface : OnItemClickInterface? = null
    fun setOnItemClickInterface(onItemClickInterface: OnItemClickInterface){
        this.onItemClickInterface = onItemClickInterface
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ContactsViewHolder {
        var view = LayoutInflater.from(parent.context).inflate(R.layout.wc_contacts_item, parent, false)
        return ContactsViewHolder(view)
    }

    override fun onBindViewHolder(holder: ContactsViewHolder, position: Int) {
        var contactsBean = contactList.get(position)
        contactsBean?.let {

            var account = DataStoreUtils.getAccount()
            var avatarAccount = ""
            if(account.equals(contactsBean.fromAccount)){
                avatarAccount = contactsBean.toAccount
            } else {
                avatarAccount = contactsBean.fromAccount
            }
            BaseUtils.showAvatarRounded(avatarAccount, holder.avatar, holder.name, BaseUtils.getDimension(R.dimen.distance_4), R.drawable.wc_avatar_default)

            holder.rootLayout.setOnClickListener {
                onItemClickInterface?.onItemClick(contactsBean)
            }
        }
    }

    fun refresh(contactList : MutableList) {
        this.contactList = contactList
        notifyDataSetChanged()
    }

    override fun getItemCount() = contactList?.size

    class ContactsViewHolder(itemView : View) : RecyclerView.ViewHolder(itemView) {

        var avatar = itemView.findViewById(R.id.contacts_item_avatar)
        var name = itemView.findViewById(R.id.contacts_item_name)
        var rootLayout = itemView.findViewById(R.id.contacts_item_layout)
    }

    interface OnItemClickInterface{
        fun onItemClick(contactsBean: ContactsBean)
    }
}