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实例登录界面

百度搜索 • 2022-5-22 • app • 阅读 33

实例登录界面,第1张

概述效果图：只有当焦点在输入框中时才会d出键盘，当键盘是d出的时候，点击任何地方键盘都会关闭，  当输入密码的时候猫头鹰会将眼睛捂着，点击其他地方时便会将眼睛打开                   GitHub地址：https://github.com/luofangli/MyCool_login 

效果图：

只有当焦点在输入框中时才会d出键盘，当键盘是d出的时候，点击任何地方键盘都会关闭，

   当输入密码的时候猫头鹰会将眼睛捂着，点击其他地方时便会将眼睛打开

             

                  

GitHub地址：https://github.com/luofangli/MyCool_login

 

详细代码：

 

activity_main.xml中：

<?xml version="1.0" enCoding="utf-8"?>
<androIDx.constraintlayout.Widget.ConstraintLayout xmlns:androID="http://schemas.androID.com/apk/res/androID"
    xmlns:app="http://schemas.androID.com/apk/res-auto"
    xmlns:tools="http://schemas.androID.com/tools"
    androID:layout_wIDth="match_parent"
    androID:layout_height="match_parent"
    androID:background="@drawable/bg"
    tools:context=".MainActivity">

    <ImageVIEw
        androID:ID="@+ID/head_image"
        androID:layout_wIDth="wrap_content"
        androID:layout_height="wrap_content"
        app:layout_constraintBottom_totopOf="@+ID/guIDeline"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:srcCompat="@drawable/head" />

    <ImageVIEw
        androID:ID="@+ID/lefthand"
        androID:layout_wIDth="wrap_content"
        androID:layout_height="wrap_content"
        androID:src="@drawable/icon_hand"
        app:layout_constraintBottom_totopOf="@+ID/guIDeline"
        app:layout_constraintEnd_toStartOf="@+ID/head_image"
        app:layout_constrainttop_totopOf="@+ID/guIDeline" />

    <ImageVIEw
        androID:ID="@+ID/righthand"
        androID:layout_wIDth="wrap_content"
        androID:layout_height="wrap_content"
        app:layout_constraintBottom_totopOf="@+ID/guIDeline"
        app:layout_constraintStart_toEndOf="@+ID/head_image"
        app:layout_constrainttop_totopOf="@+ID/guIDeline"
        app:srcCompat="@drawable/icon_hand" />

    <ImageVIEw
        androID:ID="@+ID/rightArm"
        androID:layout_wIDth="wrap_content"
        androID:layout_height="wrap_content"
        app:layout_constraintStart_toEndOf="@+ID/head_image"
        app:layout_constrainttop_totopOf="@+ID/guIDeline"
        app:srcCompat="@drawable/arm_right" />

    <ImageVIEw
        androID:ID="@+ID/leftArm"
        androID:layout_wIDth="wrap_content"
        androID:layout_height="wrap_content"
        app:layout_constraintEnd_toStartOf="@+ID/head_image"
        app:layout_constrainttop_totopOf="@+ID/guIDeline"
        app:srcCompat="@drawable/arm_left" />

    <androIDx.constraintlayout.Widget.GuIDeline
        androID:ID="@+ID/guIDeline"
        androID:layout_wIDth="wrap_content"
        androID:layout_height="wrap_content"
        androID:orIEntation="horizontal"
        app:layout_constraintGuIDe_percent="0.25" />

    <androIDx.constraintlayout.Widget.GuIDeline
        androID:ID="@+ID/guIDeline2"
        androID:layout_wIDth="wrap_content"
        androID:layout_height="wrap_content"
        androID:orIEntation="horizontal"
        app:layout_constraintGuIDe_percent="0.59" />

    <ImageVIEw
        androID:ID="@+ID/imageVIEw"
        androID:layout_wIDth="0dp"
        androID:layout_height="0dp"
        androID:layout_marginStart="20dp"
        androID:layout_marginEnd="20dp"
        androID:scaleType="centerCrop"
        app:layout_constraintBottom_totopOf="@+ID/guIDeline2"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constrainttop_totopOf="@+ID/guIDeline"
        app:srcCompat="@drawable/bg_blure" />

    <EditText
        androID:ID="@+ID/edittext_name"
        androID:layout_wIDth="0dp"
        androID:layout_height="50dp"
        androID:background="@drawable/shape_text"
        androID:drawableStart="@drawable/iconFont_user"
        androID:ems="10"
        androID:hint="请输入账号"
        androID:inputType="textPersonname"
        androID:paddingStart="10dp"
        app:layout_constraintBottom_totopOf="@+ID/edittext_password"
        app:layout_constraintEnd_toEndOf="@+ID/edittext_password"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toStartOf="@+ID/edittext_password"
        app:layout_constrainttop_toBottomOf="@+ID/head_image" />

    <EditText
        androID:ID="@+ID/edittext_password"
        androID:layout_wIDth="0dp"
        androID:layout_height="50dp"
        androID:layout_marginStart="40dp"
        androID:layout_marginEnd="40dp"
        androID:background="@drawable/shape_text"
        androID:drawableStart="@drawable/iconFont_password"
        androID:ems="10"
        androID:hint="请输入密码"
        androID:inputType="textPassword"
        androID:maxLength="6"
        androID:paddingStart="10dp"
        app:layout_constraintBottom_totopOf="@+ID/guIDeline2"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constrainttop_toBottomOf="@+ID/edittext_name" />

    <button
        androID:ID="@+ID/button_login"
        androID:layout_wIDth="0dp"
        androID:layout_height="60dp"
        androID:text="登录"
        app:layout_constraintEnd_toEndOf="@+ID/imageVIEw"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="@+ID/imageVIEw"
        app:layout_constrainttop_toBottomOf="@+ID/imageVIEw" />

</androIDx.constraintlayout.Widget.ConstraintLayout>


shape_text.xml中：
<?xml version="1.0" enCoding="utf-8"?>
<shape xmlns:androID="http://schemas.androID.com/apk/res/androID"
    androID:shape="rectangle">
    <corners androID:radius="20dp"/>
    <stroke androID:color="@color/white"
        androID:wIDth="1dp"/>
    <solID androID:color="@color/lightGray"/>


</shape>


MainActivity中：
package com.example.my

import androID.animation.Animator
import androID.animation.AnimatorSet
import androID.animation.ObjectAnimator
import androID.content.Context
import androIDx.appcompat.app.AppCompatActivity
import androID.os.Bundle
import androID.text.Editable
import androID.text.TextWatcher
import androID.util.displayMetrics
import androID.util.Log
import androID.vIEw.MotionEvent
import androID.vIEw.VIEw
import androID.vIEw.inputmethod.inputMethodManager
import kotlinx.androID.synthetic.main.activity_main.*
import java.util.function.LongFunction

class MainActivity : AppCompatActivity(),TextWatcher,VIEw.OnFocuschangelistener {
    //左边手臂
    //升起
    private val leftArmAnimatorSet:AnimatorSet by lazy {
        val rotate=ObjectAnimator.offloat(leftArm,"rotation",
            145f)
        val transX = ObjectAnimator.offloat(leftArm,"translationX",
        dp2px(50f))
        val transY = ObjectAnimator.offloat(leftArm,"translationY",
        dp2px(-45f))
        AnimatorSet().apply {
            duration = 500
            playTogether(rotate,transX,transY)
        }
    }
    //降落
    private val leftArmAnimatorSetDown:AnimatorSet by lazy {
        val rotate=ObjectAnimator.offloat(leftArm,"rotation",
                0f)
        val transX = ObjectAnimator.offloat(leftArm,"translationX",
                dp2px(0f))
        val transY = ObjectAnimator.offloat(leftArm,"translationY",
                dp2px(0f))
        AnimatorSet().apply {
            duration = 500
            playTogether(rotate,transX,transY)
        }
    }
    //右边手臂
    //升起
    private val rightArmAnimator:AnimatorSet by lazy {
        val rotate=ObjectAnimator.offloat(rightArm,"rotation",
                -145f)
        val transX = ObjectAnimator.offloat(rightArm,"translationX",
                dp2px(-50f))
        val transY = ObjectAnimator.offloat(rightArm,"translationY",
                dp2px(-45f))
        AnimatorSet().apply {
            duration = 500
            playTogether(rotate,transX,transY)
        }
    }
    //降落
    private val rightArmAnimatorDown:AnimatorSet by lazy {
        val rotate=ObjectAnimator.offloat(rightArm,"rotation",
                0f)
        val transX = ObjectAnimator.offloat(rightArm,"translationX",
                dp2px(0f))
        val transY = ObjectAnimator.offloat(rightArm,"translationY",
                dp2px(0f))
        AnimatorSet().apply {
            duration = 500
            playTogether(rotate,transX,transY)
        }
    }
   //左手掌手掌
    private val lefttAnimatorhandUp:ObjectAnimator by lazy {
        ObjectAnimator.offloat(lefthand,"translationY",dp2px(0f))
   }
    private val leftAnimatorhandDown:ObjectAnimator by lazy {
        ObjectAnimator.offloat(lefthand,"translationY",dp2px(40f))
    }
   //右手掌
   private val righttAnimatorhandUp:ObjectAnimator by lazy {
       ObjectAnimator.offloat(righthand,"translationY",dp2px(0f))
   }
    private val rightAnimatorhandDown:ObjectAnimator by lazy {
        ObjectAnimator.offloat(righthand,"translationY",dp2px(40f))
    }

    private var isopen = false
    overrIDe fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentVIEw(R.layout.activity_main)
        edittext_password.onFocuschangelistener = this
        edittext_password.setonClickListener {
            hIDeOropenBoard_vIEw(it)
        }
        edittext_name.setonClickListener {
            hIDeOropenBoard_vIEw(it)
        }

    }

    overrIDe fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {

    }

    overrIDe fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {

    }

    overrIDe fun afterTextChanged(s: Editable?) {

    }

    overrIDe fun ontouchEvent(event: MotionEvent?): Boolean {
        when(event?.action){
            MotionEvent.ACTION_DOWN->{
            hIDeKeyboard()
            }
        }
        return super.ontouchEvent(event)
    }
    //隐藏键盘
    private fun hIDeKeyboard(){
        val keyboard =getSystemService(Context.input_METHOD_SERVICE) as inputMethodManager
        //this.currentFocus?.windowToken 是获取当前activity的windowToken
        keyboard.hIDeSoftinputFromWindow(this.currentFocus?.windowToken,0)
    }
    //对特定视图键盘的调用
    private fun hIDeOropenBoard_vIEw(v:VIEw){

        val keyboard = getSystemService(Context.input_METHOD_SERVICE) as inputMethodManager
        //keyboard.isActive是键盘的状态，若是打开的则返回true否则返回false
        //
        if (isopen){
            Log.v("lfl","关闭键盘")
            //强制关闭
            keyboard.hIDeSoftinputFromWindow(v.windowToken,0)
            isopen = !isopen
        }else{
            Log.v("lfl","打开键盘")
            //打开
            keyboard.showSoftinput(v,inputMethodManager.SHOW_FORCED)
           isopen = !isopen
        }
    }
    //若键盘是隐藏的则打开，若是打开的则隐藏
    private fun hIDeOropenKeyboard(){
        val keyboard = getSystemService(Context.input_METHOD_SERVICE) as inputMethodManager
        keyboard.toggleSoftinput(0,inputMethodManager.HIDE_NOT_ALWAYS)
    }

    overrIDe fun onFocusChange(v: VIEw?, hasFocus: Boolean) {
       if(v == edittext_password){
           if (hasFocus){
               //焦点在该视图上,蒙上眼睛
                   AnimatorSet().apply {
                       play(leftArmAnimatorSet)
                               .with(rightArmAnimator)
                               .after(leftAnimatorhandDown)
                               .after(rightAnimatorhandDown)
                   }.start()
           }else{
               //焦点没有在该视图上，打开眼睛
                   AnimatorSet().apply {
                       play(leftArmAnimatorSetDown)
                           .with(rightArmAnimatorDown)
                           .after(lefttAnimatorhandUp)
                           .after(righttAnimatorhandUp)
                   }.start()
           }
       }
    }
    //将dp值转换为相应的像素值
    private fun dp2px(dp:float):float{
        return resources.displayMetrics.density*dp
    }
}

 

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