Android实现自定义验证码输入框效果(实例代码)

<?xml version="1.0" encoding="utf-8"? 
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:gravity="end"
<TextView
android:id="@+id/tv_view_top_tip"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="5dp"
android:textColor="@color/img_code_text_error_color"
android:textSize="12sp"
android:text="error"
/ 
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content" 
<LinearLayout
android:id="@+id/ll_code"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:baselineAligned="false" 
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
android:layout_marginRight="5dp" 
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="6dp"
<TextView
android:id="@+id/tv_code1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="@color/global_text_color_10"
android:textSize="24sp"
android:textStyle="bold"
android:background="@null"
android:layout_centerInParent="true"
android:gravity="center"/ 
<View
android:id="@+id/v1_center_line"
android:layout_width="1.5dp"
android:layout_height="16dp"
android:visibility="invisible"
android:layout_centerInParent="true"
android:background="@color/mainColor"
/ 
</RelativeLayout 
<View
android:id="@+id/v1"
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="@color/mainColor" / 
</LinearLayout 
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
android:layout_marginRight="5dp"
android:layout_marginLeft="5dp" 
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="6dp"
<TextView
android:id="@+id/tv_code2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="@color/global_text_color_10"
android:textSize="24sp"
android:textStyle="bold"
android:background="@null"
android:layout_centerInParent="true"
android:gravity="center"/ 
<View
android:id="@+id/v2_center_line"
android:layout_width="1.5dp"
android:layout_height="16dp"
android:visibility="invisible"
android:layout_centerInParent="true"
android:background="@color/mainColor" / 
</RelativeLayout 
<View
android:id="@+id/v2"
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="@color/global_text_color_grey" / 
</LinearLayout 
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
android:layout_marginRight="5dp"
android:layout_marginLeft="5dp" 
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="6dp"
<TextView
android:id="@+id/tv_code3"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="@color/global_text_color_10"
android:textSize="24sp"
android:textStyle="bold"
android:background="@null"
android:layout_centerInParent="true"
android:gravity="center"/ 
<View
android:id="@+id/v3_center_line"
android:layout_width="1.5dp"
android:layout_height="16dp"
android:visibility="invisible"
android:layout_centerInParent="true"
android:background="@color/mainColor"/ 
</RelativeLayout 
<View
android:id="@+id/v3"
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="@color/global_text_color_grey" / 
</LinearLayout 
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
android:layout_marginRight="5dp"
android:layout_marginLeft="5dp" 
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="6dp"
<TextView
android:id="@+id/tv_code4"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="@color/global_text_color_10"
android:background="@null"
android:textStyle="bold"
android:textSize="24sp"
android:layout_centerInParent="true"
android:gravity="center"/ 
<View
android:id="@+id/v4_center_line"
android:layout_width="1.5dp"
android:layout_height="16dp"
android:visibility="invisible"
android:layout_centerInParent="true"
android:background="@color/mainColor" / 
</RelativeLayout 
<View
android:id="@+id/v4"
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="@color/global_text_color_grey" / 
</LinearLayout 
<LinearLayout
android:id="@+id/ll5_parent"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
android:layout_marginRight="5dp"
android:layout_marginLeft="5dp" 
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="6dp"
<TextView
android:id="@+id/tv_code5"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="@color/global_text_color_10"
android:background="@null"
android:textStyle="bold"
android:textSize="24sp"
android:layout_centerInParent="true"
android:gravity="center"/ 
<View
android:id="@+id/v5_center_line"
android:layout_width="1.5dp"
android:layout_height="16dp"
android:visibility="invisible"
android:layout_centerInParent="true"
android:background="@color/mainColor" / 
</RelativeLayout 
<View
android:id="@+id/v5"
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="@color/global_text_color_grey" / 
</LinearLayout 
<LinearLayout
android:id="@+id/ll6_parent"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
android:layout_marginLeft="5dp" 
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="6dp"
<TextView
android:id="@+id/tv_code6"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="@color/global_text_color_10"
android:background="@null"
android:textStyle="bold"
android:textSize="24sp"
android:layout_centerInParent="true"
android:gravity="center"/ 
<View
android:id="@+id/v6_center_line"
android:layout_width="1.5dp"
android:layout_height="16dp"
android:visibility="invisible"
android:layout_centerInParent="true"
android:background="@color/mainColor" / 
</RelativeLayout 
<View
android:id="@+id/v6"
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="@color/global_text_color_grey" / 
</LinearLayout 
</LinearLayout 
<EditText
android:id="@+id/et_code"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignTop="@+id/ll_code"
android:layout_alignBottom="@+id/ll_code"
android:background="@android:color/transparent"
android:textColor="@android:color/transparent"
android:cursorVisible="false"
android:inputType="number"/ 
</RelativeLayout 
<TextView
android:id="@+id/tv_get_sms_code"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="9.5dp"
android:paddingBottom="10dp"
android:textColor="@color/text_color_pressed_selector"
android:textSize="12sp"
android:text="@string/resend_verify_code"
/ 
</LinearLayout 
class CustomSmsCodeInputLayout : RelativeLayout, View.OnClickListener {
/**
* 枚举中有两种状态，FOUR四个输入框,SIX6个输入框
*/
enum class InputLineNum(var num: Int){
FOUR(4), SIX(6)
}
override fun onClick(v: View?) {
when(v?.id){
R.id.tv_get_sms_code- {
clearAllInputValues()
if (onClickSmsCodeTvListener != null) {
onClickSmsCodeTvListener?.onClick(tv_get_sms_code)
}
}
}
}
/*启动计时器*/
fun startCountDownTimer() {
cancelCountDownTimer()
/*倒计时60秒，每次执行间隔1秒*/
mCountDownTimerUtil = CountDownTimerUtil(mContext, tv_get_sms_code, 60000, 1000)
mCountDownTimerUtil?.start()
}
/*上下文*/
private var mContext: Context
/*存放验证码集合*/
var codes: ArrayList<String ? = ArrayList()
/*输入相关管理器*/
private var imm: InputMethodManager? = null
private var color_default = Color.parseColor("#999999")
private var color_focus = Color.parseColor("#FF9200")
private var color_centerLine = Color.parseColor("#FF9200")
/*是否显示中间竖线*/
private var isVisibleCenterLine = true
private var defaultInputNum = InputLineNum.SIX
private var mCountDownTimerUtil: CountDownTimerUtil? = null
constructor(context: Context) : super(context){
mContext = context
initView()
}
constructor(context: Context, attrs: AttributeSet) : super(context, attrs){
mContext = context
initView()
}
private fun initView() {
imm = mContext.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager?
LayoutInflater.from(mContext).inflate(R.layout.view_sms_code_input_layout, this)
initEvent()
}
private fun initEvent() {
//验证码输入
et_code.addTextChangedListener(object : TextWatcher {
override fun beforeTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {}
override fun onTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {}
override fun afterTextChanged(editable: Editable?) {
if (editable != null && editable.trim().isNotEmpty()) {
// 每输入
et_code.setText("")
when(defaultInputNum){
InputLineNum.FOUR -  {
regexMaxInputSize(editable, InputLineNum.FOUR.num)
}
InputLineNum.SIX -  {
regexMaxInputSize(editable, InputLineNum.SIX.num)
}
}
}
}
})
// 监听验证码删除按键
et_code.setOnKeyListener(object : View.OnKeyListener {
override fun onKey(view: View, keyCode: Int, keyEvent: KeyEvent): Boolean {
if (keyCode == KeyEvent.KEYCODE_DEL && keyEvent.action == KeyEvent.ACTION_DOWN && codes?.size!!   0) {
codes!!.removeAt(codes?.size!! - 1)
//回退的时候如果顶部的提示语显示则隐藏掉
if (tv_view_top_tip.visibility == View.VISIBLE){
tv_view_top_tip.visibility = View.INVISIBLE
}
showCode()
return true
}
return false
}
})
tv_get_sms_code.setOnClickListener(this)
}
/*控制可输入的最大长度*/
private fun regexMaxInputSize(editable: Editable, maxSize: Int) {
if (codes?.size!! < maxSize) {
// 过滤掉由空格键引起的字符串出现空长串的问题，使用正则替换规则（\s*）可以替换掉绝大多数空白字符或空格
codes?.add(editable.toString().replace(Regex("\s*"), ""))
showCode()
}
}
/**
* 显示输入的验证码
*/
private fun showCode() {
var code1: String? = ""
var code2: String? = ""
var code3: String? = ""
var code4: String? = ""
var code5: String? = ""
var code6: String? = ""
if (codes?.size!!  = 1) {
code1 = codes?.get(0)
}
if (codes?.size!!  = 2) {
code2 = codes?.get(1)
}
if (codes?.size!!  = 3) {
code3 = codes?.get(2)
}
if (codes?.size!!  = 4) {
code4 = codes?.get(3)
}
if (codes?.size!!  = 5) {
code5 = codes?.get(4)
}
if (codes?.size!!  = 6) {
code6 = codes?.get(5)
}
tv_code1.text = code1
tv_code2.text = code2
tv_code3.text = code3
tv_code4.text = code4
tv_code5.text = code5
tv_code6.text = code6
setColor()//设置高亮颜色
callBack()//回调
}
/**
* 设置高亮颜色
*/
private fun setColor() {
v1.setBackgroundColor(color_default)
v2.setBackgroundColor(color_default)
v3.setBackgroundColor(color_default)
v4.setBackgroundColor(color_default)
v5.setBackgroundColor(color_default)
v6.setBackgroundColor(color_default)
if (codes?.size == 0) {
v1.setBackgroundColor(color_focus)
updateCenterLineColor(v1_center_line)
}
if (codes?.size == 1) {
v2.setBackgroundColor(color_focus)
updateCenterLineColor(v2_center_line)
}
if (codes?.size == 2) {
v3.setBackgroundColor(color_focus)
updateCenterLineColor(v3_center_line)
}
if (codes?.size!! == 3) {
v4.setBackgroundColor(color_focus)
updateCenterLineColor(v4_center_line)
}
if (codes?.size == 4) {
v5.setBackgroundColor(color_focus)
updateCenterLineColor(v5_center_line)
}
if (codes?.size!! == 5) {
v6.setBackgroundColor(color_focus)
updateCenterLineColor(v6_center_line)
}
if ((defaultInputNum == InputLineNum.FOUR && codes?.size!!  = 4)
|| (defaultInputNum == InputLineNum.SIX && codes?.size!!  = 6)) {
invisibleAllCenterLine()
}
}
/**
* 回调
*/
private fun callBack() {
if (onInputListener == null) {
return
}
if ((defaultInputNum == InputLineNum.FOUR && codes?.size == 4)
||(defaultInputNum == InputLineNum.SIX && codes?.size == 6)) {
/*zi自动收起软键盘*/
dismissSoftInput()
onInputListener!!.onSuccess(getPhoneCode())
} else {
onInputListener!!.onInput()
}
}
//定义回调
interface OnInputListener {
fun onSuccess(code: String)
fun onInput()
}
/**
* 显示键盘
*/
fun showSoftInput() {
//显示软键盘
if (imm != null && et_code != null) {
et_code.requestFocus() //需先获得焦点才能主动弹出软键盘
et_code.postDelayed({ imm?.showSoftInput(et_code, InputMethodManager.SHOW_FORCED) }, 200)
}
}
/**
* 英藏键盘
*/
fun dismissSoftInput() {
et_code.requestFocus()
//某些情况下必须延迟一定时间在执行，不然英藏不了
et_code.postDelayed({ imm?.hideSoftInputFromWindow(et_code.windowToken, 0) }, 200) //强制隐藏键盘
}
/**
* 获得手机号验证码
* @return 验证码
*/
fun getPhoneCode(): String {
val sb = StringBuilder()
return if (!codes!!.isEmpty()) {
for (code in codes!!) {
sb.append(code)
}
sb.toString()
}else{
""
}
}
/*更新竖线显示以及颜色*/
private fun updateCenterLineColor(view: View){
if (isVisibleCenterLine) {
invisibleAllCenterLine()
view.visibility = View.VISIBLE
}
}
/*英藏所有竖线*/
private fun invisibleAllCenterLine() {
v1_center_line.visibility = View.INVISIBLE
v2_center_line.visibility = View.INVISIBLE
v3_center_line.visibility = View.INVISIBLE
v4_center_line.visibility = View.INVISIBLE
v5_center_line.visibility = View.INVISIBLE
v6_center_line.visibility = View.INVISIBLE
}
/*设置顶部提示是否显示*/
fun setTopTipVisible(isVisible: Boolean){
tv_view_top_tip.visibility = if(isVisible) View.VISIBLE else View.INVISIBLE
}
/*设置当前项中间竖线是否显示*/
fun setCurrentCenterLineVisible(isVisible: Boolean){
isVisibleCenterLine = isVisible
//显示竖线的话默认显示出第一条
v1_center_line.visibility = if(isVisibleCenterLine) View.VISIBLE else View.INVISIBLE
}
/*设置底部获取短信按钮是否显示*/
fun setBottomSmsTvVisible(isVisible: Boolean){
tv_get_sms_code.visibility = if(isVisible) View.VISIBLE else View.GONE
}
/*设置顶部提示字样*/
fun setTopTipText(text: String){
tv_view_top_tip.text = text
}
/*设置顶部提示字样颜色*/
fun setTopTipTextColor(textColor: Int){
tv_view_top_tip.setTextColor(textColor)
}
/*设置当前指定项下环线颜色*/
fun setCurrentIndexLineColor(underlineColor: Int){
color_focus = underlineColor
v1.setBackgroundColor(color_focus)
}
/*设置当前指定项的中间线颜色*/
fun setCenterLineColor(centerLineColor: Int){
color_centerLine = centerLineColor
v1_center_line.setBackgroundColor(color_centerLine)
}
/*设置不是当前指定项下划线颜色*/
fun setAnotherIndexLineColor(underlineColor: Int){
color_default = underlineColor
}
/*设置顶部提示的字样和颜色*/
fun setTopTextAndColor(text: String, textColor: Int){
tv_view_top_tip.text = text
tv_view_top_tip.setTextColor(textColor)
}
/*允许的输入类型*/
fun setInputType(type: Int) {
et_code?.inputType = type
}
/*更新获取短信按钮状态*/
fun updateGetSmsTvEnable(isEnable: Boolean){
tv_get_sms_code.isEnabled = isEnable
tv_get_sms_code.setTextColor(mContext.resources.getColor(R.color.global_text_color_6c))
}
/*需要展示的输入框数量*/
fun setShowInputNum(num: InputLineNum){
defaultInputNum = num
when(defaultInputNum){
InputLineNum.FOUR -  {
ll5_parent.visibility = View.GONE
ll6_parent.visibility = View.GONE
}
InputLineNum.SIX -  {
ll5_parent.visibility = View.VISIBLE
ll6_parent.visibility = View.VISIBLE
}
}
}
/*关闭清除计时器*/
fun cancelCountDownTimer(){
if (mCountDownTimerUtil != null){
mCountDownTimerUtil?.cancel()
mCountDownTimerUtil = null
}
}
/**清除所有输入的值*/
fun clearAllInputValues(){
setTopTipVisible(false)
codes?.clear()
showCode()
}
/**
* 获取到验证码进行弹窗显示
*/
fun showSmsCodeDialogTip(msg: String, title: String){
val msgSplit = msg.toList()
DialogCreator.createTitleDialog(
mContext as Activity,
title,
msg,
DialogViewInfo("知道了"){ _,_ - 
codes?.clear()
msgSplit.forEach { item -  codes?.add(item.toString()) }
showCode()
}
).subscribe()
}
/**
* 验证出错时抖动输入框提示
*/
fun startShakeTip(){
val animX = ObjectAnimator.ofFloat(this, "translationX", 0F, 5F, -10F, 0F)
val animY = ObjectAnimator.ofFloat(this, "translationY", 0F, 5F, -10F, 0F)
val animatorSet = AnimatorSet()
animatorSet.playTogether(animX, animY) // 同时执行x、y轴的动画
animatorSet.interpolator = CycleInterpolator(2F)// 执行2次
animatorSet.duration = 500 // 1秒后结束
animatorSet.doOnEnd {
clearAllInputValues()
animatorSet.cancel()
}
animatorSet.start()
}
/*输入框监听回调《供外部调用》*/
private var onInputListener: OnInputListener? = null
fun setOnInputListener(onInputListener: OnInputListener) {
this.onInputListener = onInputListener
}
/*获取验证码点击回调《供外部调用》*/
private var onClickSmsCodeTvListener: OnClickListener? = null
fun setOnClickSmsCodeTvListener(onClickSmsCodeTvListener: OnClickListener){
this.onClickSmsCodeTvListener = onClickSmsCodeTvListener
}
}

//ll_sms_input就是CustomSmsCodeInputLayout
ll_sms_input.run {
//里边的配置可以自行选择配置
setTopTipVisible(false)
setCurrentCenterLineVisible(true)
setBottomSmsTvVisible(true)
setShowInputNum(CustomSmsCodeInputLayout.InputLineNum.SIX)//这里加载的是六个输入框
setCurrentIndexLineColor(resources.getColor(R.color.global_text_color_grey))
//设置输入类型只能是数字
setInputType(InputType.TYPE_CLASS_NUMBER or InputType.TYPE_NUMBER_FLAG_SIGNED)
showSoftInput()
}
ll_sms_input.setOnInputListener()//做输入完成后的监听
ll_sms_input.setOnClickSmsCodeTvListener()//点击重新获取按钮的监听