Kotlin高仿微信-第33篇-支付-充值

  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 : 2022/5/21 12:46
 * Description : 充值页面，没有接入银行系统，模拟充值成功
 */
class RechargeFragment : BaseDataBindingFragment(), MyDispatchTouchEventListener {

    override fun getLayoutRes() = R.layout.wc_payment_recharge

    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(R.string.wc_base_top_rechange)

        navController = findNavController()


        DispatchTouchEventUtils.registerDispatchTouchListener(this)

        rechange_balance.showSoftInputOnFocus = false
        num_keyboard_view.initEditText(rechange_balance)

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

        num_keyboard_item_recharge.setOnClickListener {
            var result = rechange_balance.text.toString().trim()
            if(TextUtils.isEmpty(result)){
                ToastUtils.makeText(requireActivity(), "请输入金额")
                return@setOnClickListener
            }

            //如果充值额度太大， 不能使用float类型，否则10个亿计算就会出错
            if(result.toFloat() > CommonUtils.Base.MAX_BALANCE){
                ToastUtils.makeText(R.string.wc_payment_balance_max)
                return@setOnClickListener
            }
            TagUtils.d("返回值：${result.toDouble()}")
            var account = DataStoreUtils.getAccount()
            userViewModel.updateBalanceServer(account, CommonUtils.User.OPERATOR_PLUS, result.toFloat())

        }

        userViewModel.balanceLiveData.observe(viewLifecycleOwner){
            if(it > 0){
                ToastUtils.makeText(requireActivity(), "充值成功！")
                //弹出的id为fragment，不能为action
                Navigation.findNavController(num_keyboard_item_recharge).popBackStack(R.id.nav_small_change, true)
                EventBus.getDefault().post(RechargeBalanceBean(it))
            } else {
                ToastUtils.makeText(requireActivity(), "充值失败！")
            }
        }
    }

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

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

    override fun onResume() {
        super.onResume()

        rechange_balance.isFocusableInTouchMode = true
        rechange_balance.requestFocus()
        rechange_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
    }

}

/**
 * Author : wangning
 * Email : maoning20080809@163.com
 * Date : 2022/5/21 14:58
 * Description : 自定义充值键盘
 */
class NumberKeyboardView : RelativeLayout , View.OnClickListener {

    constructor(context: Context) : this(context, null)
    constructor(context: Context, attributeSet: AttributeSet?) : this(context, attributeSet, 0)
    constructor(context: Context, attributeSet: AttributeSet?, defStyleAttr : Int) : super(context, attributeSet, defStyleAttr){
        initView()
    }

    private var view : View? = null
    private var viewList = arrayOfNulls(13)
    private var inputEditText : EditText? = null
    private var result :String = ""

    fun initView() {
        view = LayoutInflater.from(WcApp.getContext()).inflate(R.layout.wc_number_keyboard_item, this, true)

        viewList = arrayOf(findView(R.id.num_keyboard_item_1),findView(R.id.num_keyboard_item_2),findView(R.id.num_keyboard_item_3),findView(R.id.num_keyboard_item_4),
            findView(R.id.num_keyboard_item_5),findView(R.id.num_keyboard_item_6),findView(R.id.num_keyboard_item_7),findView(R.id.num_keyboard_item_8),
            findView(R.id.num_keyboard_item_9),findView(R.id.num_keyboard_item_0),findView(R.id.delete),findView(R.id.num_keyboard_item_spot),findView(R.id.num_keyboard_item_recharge),)

        setListener()
    }

    private fun setListener(){
        for (item in viewList) {
            item?.setOnClickListener(this)
        }
    }

    override fun onClick(v: View) {
        when(v.id) {
            R.id.delete -> {
                if(result.length > 0){
                    result = result.substring(0, result.length - 1)
                    inputEditText?.setText(result)
                    inputEditText?.setSelection(result.length)
                }
            }
            R.id.num_keyboard_item_recharge -> {TagUtils.d("充值222")}
            else -> {
                var numberView = v as TextView
                result += numberView.text.toString()
                inputEditText?.setText(result)
                //光标放在最后
                inputEditText?.setSelection(result.length)
            }
        }
    }

    fun initEditText(inputET: EditText){
        inputEditText = inputET
    }

    //设置充值按钮的背景
    fun setRechargeBackground(resId : Int){
        num_keyboard_item_recharge.setBackgroundResource(resId)
    }

    fun setValue(resId: Int){
        num_keyboard_item_recharge.text = BaseUtils.getString(resId)
    }

    private fun findView(id : Int) : View {
        return view?.findViewById(id)!!
    }


}