카카오톡 채팅 만들기

ChatEditor.cs 소스입니다



using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;

[CustomEditor(typeof(ChatManager))]
public class ChatEditor : Editor
{
ChatManager chatManager;
string text;


void OnEnable()
{
chatManager = target as ChatManager;
}


public override void OnInspectorGUI()
{
base.OnInspectorGUI();

EditorGUILayout.BeginHorizontal();
text = EditorGUILayout.TextArea(text);

if (GUILayout.Button("보내기", GUILayout.Width(60)) && text.Trim() != "")
{
chatManager.Chat(true, text, "나", null);
text = "";
GUI.FocusControl(null);
}

if (GUILayout.Button("받기", GUILayout.Width(60)) && text.Trim() != "")
{
chatManager.Chat(false, text, "타인", null);
text = "";
GUI.FocusControl(null);
}

EditorGUILayout.EndHorizontal();
}

}

AreaScript.cs 소스입니다



using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class AreaScript : MonoBehaviour
{
    public RectTransform AreaRect, BoxRect, TextRect;
    public GameObject Tail;
    public Text TimeText, UserText, DateText;
    public Image UserImage;
    public string Time, User;

}

ChatManager.cs 소스입니다



using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System;
using UnityEngine.UI;



public class ChatManager : MonoBehaviour
{
    public GameObject YellowArea, WhiteArea, DateArea;
    public RectTransform ContentRect;
    public Scrollbar scrollBar;
    public Toggle MineToggle;
    AreaScript LastArea;


    public void ReceiveMessage(string text)
    {
        if (MineToggle.isOn) Chat(true, text, "나", null);
        else Chat(false, text, "타인", null);
    }


    public void LayoutVisible(bool b)
    {
        AndroidJavaClass kotlin = new AndroidJavaClass("com.unity3d.player.SubActivity");
        kotlin.CallStatic("LayoutVisible", b);
    }


    public void Chat(bool isSend, string text, string user, Texture2D picture) 
    {
        if (text.Trim() == "") return;

        bool isBottom = scrollBar.value <= 0.00001f;


        //보내는 사람은 노랑, 받는 사람은 흰색영역을 크게 만들고 텍스트 대입
        AreaScript Area = Instantiate(isSend ? YellowArea : WhiteArea).GetComponent<AreaScript>();
        Area.transform.SetParent(ContentRect.transform, false);
        Area.BoxRect.sizeDelta = new Vector2(600, Area.BoxRect.sizeDelta.y);
        Area.TextRect.GetComponent<Text>().text = text;
        Fit(Area.BoxRect);


        // 두 줄 이상이면 크기를 줄여가면서, 한 줄이 아래로 내려가면 바로 전 크기를 대입 
        float X = Area.TextRect.sizeDelta.x + 42;
        float Y = Area.TextRect.sizeDelta.y;
        if (Y > 49)
        {
            for (int i = 0; i < 200; i++)
            {
                Area.BoxRect.sizeDelta = new Vector2(X - i * 2, Area.BoxRect.sizeDelta.y);
                Fit(Area.BoxRect);

                if (Y != Area.TextRect.sizeDelta.y) { Area.BoxRect.sizeDelta = new Vector2(X - (i * 2) + 2, Y); break; }
            }
        }
        else Area.BoxRect.sizeDelta = new Vector2(X, Y);


        // 현재 것에 분까지 나오는 날짜와 유저이름 대입
        DateTime t = DateTime.Now;
        Area.Time = t.ToString("yyyy-MM-dd-HH-mm");
        Area.User = user;


        // 현재 것은 항상 새로운 시간 대입
        int hour = t.Hour;
        if (t.Hour == 0) hour = 12;
        else if (t.Hour > 12) hour -= 12;
        Area.TimeText.text = (t.Hour > 12 ? "오후 " : "오전 ") + hour + ":" + t.Minute.ToString("D2");


        // 이전 것과 같으면 이전 시간, 꼬리 없애기
        bool isSame = LastArea != null && LastArea.Time == Area.Time && LastArea.User == Area.User;
        if (isSame) LastArea.TimeText.text = "";
        Area.Tail.SetActive(!isSame);


        // 타인이 이전 것과 같으면 이미지, 이름 없애기
        if (!isSend)
        {
            Area.UserImage.gameObject.SetActive(!isSame);
            Area.UserText.gameObject.SetActive(!isSame);
            Area.UserText.text = Area.User;
            if(picture != null) Area.UserImage.sprite = Sprite.Create(picture, new Rect(0, 0, picture.width, picture.height), new Vector2(0.5f, 0.5f));
        }


        // 이전 것과 날짜가 다르면 날짜영역 보이기
        if (LastArea != null && LastArea.Time.Substring(0, 10) != Area.Time.Substring(0, 10))
        {
            Transform CurDateArea = Instantiate(DateArea).transform;
            CurDateArea.SetParent(ContentRect.transform, false);
            CurDateArea.SetSiblingIndex(CurDateArea.GetSiblingIndex() - 1);

            string week = "";
            switch (t.DayOfWeek)
            {
                case DayOfWeek.Sunday: week = "일"; break;
                case DayOfWeek.Monday: week = "월"; break;
                case DayOfWeek.Tuesday: week = "화"; break;
                case DayOfWeek.Wednesday: week = "수"; break;
                case DayOfWeek.Thursday: week = "목"; break;
                case DayOfWeek.Friday: week = "금"; break;
                case DayOfWeek.Saturday: week = "토"; break;
            }
            CurDateArea.GetComponent<AreaScript>().DateText.text = t.Year + "년 " + t.Month + "월 " + t.Day + "일 " + week + "요일";
        }


        Fit(Area.BoxRect);
        Fit(Area.AreaRect);
        Fit(ContentRect);
        LastArea = Area;


        // 스크롤바가 위로 올라간 상태에서 메시지를 받으면 맨 아래로 내리지 않음
        if (!isSend && !isBottom) return;
        Invoke("ScrollDelay", 0.03f);
    }


    void Fit(RectTransform Rect) => LayoutRebuilder.ForceRebuildLayoutImmediate(Rect);


    void ScrollDelay() => scrollBar.value = 0;

}

AndroidManifest.xml 소스입니다


<?xml version="1.0" encoding="utf-8"?>
<!-- GENERATED BY UNITY. REMOVE THIS COMMENT TO PREVENT OVERWRITING WHEN EXPORTING AGAIN-->
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.unity3d.player" xmlns:tools="http://schemas.android.com/tools">
  <application>
    <activity android:name="com.unity3d.player.UnityPlayerActivity" android:theme="@style/UnityThemeSelector" android:screenOrientation="portrait" android:launchMode="singleTask" android:configChanges="mcc|mnc|locale|touchscreen|keyboard|keyboardHidden|navigation|orientation|screenLayout|uiMode|screenSize|smallestScreenSize|fontScale|layoutDirection|density" android:hardwareAccelerated="false">
      <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
      </intent-filter>
      <meta-data android:name="unityplayer.UnityActivity" android:value="true" />
      <meta-data android:name="android.notch_support" android:value="true" />
    </activity>
<activity android:name="com.unity3d.player.SubActivity"/>
  
    <meta-data android:name="unity.splash-mode" android:value="0" />
    <meta-data android:name="unity.splash-enable" android:value="True" />
    <meta-data android:name="notch.config" android:value="portrait|landscape" />
    <meta-data android:name="unity.build-id" android:value="ff7df1ad-2ddd-469e-bda3-7dc87c3c105e" />
  </application>
  <uses-feature android:glEsVersion="0x00030000" />
  <uses-feature android:name="android.hardware.vulkan.version" android:required="false" />
  <uses-feature android:name="android.hardware.touchscreen" android:required="false" />
  <uses-feature android:name="android.hardware.touchscreen.multitouch" android:required="false" />
  <uses-feature android:name="android.hardware.touchscreen.multitouch.distinct" android:required="false" />
</manifest>











UnityPlayerActivity.java 소스입니다

package com.unity3d.player;

import android.app.Activity;
import android.content.Intent;
import android.content.res.Configuration;
import android.graphics.PixelFormat;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.os.Process;




public class UnityPlayerActivity extends Activity implements IUnityPlayerLifecycleEvents
{
    protected UnityPlayer mUnityPlayer; // don't change the name of this variable; referenced from native code

    // Override this in your custom UnityPlayerActivity to tweak the command line arguments passed to the Unity Android Player
    // The command line arguments are passed as a string, separated by spaces
    // UnityPlayerActivity calls this from 'onCreate'
    // Supported: -force-gles20, -force-gles30, -force-gles31, -force-gles31aep, -force-gles32, -force-gles, -force-vulkan
    // See https://docs.unity3d.com/Manual/CommandLineArguments.html
    // @param cmdLine the current command line arguments, may be null
    // @return the modified command line string or null
    protected String updateUnityCommandLineArguments(String cmdLine)
    {
        return cmdLine;
    }

    // Setup activity layout
    @Override protected void onCreate(Bundle savedInstanceState)
    {
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        super.onCreate(savedInstanceState);

        String cmdLine = updateUnityCommandLineArguments(getIntent().getStringExtra("unity"));
        getIntent().putExtra("unity", cmdLine);

        mUnityPlayer = new UnityPlayer(this, this);
        setContentView(mUnityPlayer);
        mUnityPlayer.requestFocus();



        int activity_sub_id = getResources().getIdentifier( "activity_sub", "layout", getPackageName());
        int send_et_id = getResources().getIdentifier( "send_et", "id", getPackageName());
        int send_btn_id = getResources().getIdentifier( "send_btn", "id", getPackageName());

        SubActivity.SubFun(this, activity_sub_id, send_et_id, send_btn_id);
    }

    // When Unity player unloaded move task to background
    @Override public void onUnityPlayerUnloaded() {
        moveTaskToBack(true);
    }

    // When Unity player quited kill process
    @Override public void onUnityPlayerQuitted() {
        Process.killProcess(Process.myPid());
    }

    @Override protected void onNewIntent(Intent intent)
    {
        // To support deep linking, we need to make sure that the client can get access to
        // the last sent intent. The clients access this through a JNI api that allows them
        // to get the intent set on launch. To update that after launch we have to manually
        // replace the intent with the one caught here.
        setIntent(intent);
        mUnityPlayer.newIntent(intent);
    }

    // Quit Unity
    @Override protected void onDestroy ()
    {
        mUnityPlayer.destroy();
        super.onDestroy();
    }

    // Pause Unity
    @Override protected void onPause()
    {
        super.onPause();
        mUnityPlayer.pause();
    }

    // Resume Unity
    @Override protected void onResume()
    {
        super.onResume();
        mUnityPlayer.resume();
    }

    // Low Memory Unity
    @Override public void onLowMemory()
    {
        super.onLowMemory();
        mUnityPlayer.lowMemory();
    }

    // Trim Memory Unity
    @Override public void onTrimMemory(int level)
    {
        super.onTrimMemory(level);
        if (level == TRIM_MEMORY_RUNNING_CRITICAL)
        {
            mUnityPlayer.lowMemory();
        }
    }

    // This ensures the layout will be correct.
    @Override public void onConfigurationChanged(Configuration newConfig)
    {
        super.onConfigurationChanged(newConfig);
        mUnityPlayer.configurationChanged(newConfig);
    }

    // Notify Unity of the focus change.
    @Override public void onWindowFocusChanged(boolean hasFocus)
    {
        super.onWindowFocusChanged(hasFocus);
        mUnityPlayer.windowFocusChanged(hasFocus);
    }

    // For some reason the multiple keyevent type is not supported by the ndk.
    // Force event injection by overriding dispatchKeyEvent().
    @Override public boolean dispatchKeyEvent(KeyEvent event)
    {
        if (event.getAction() == KeyEvent.ACTION_MULTIPLE)
            return mUnityPlayer.injectEvent(event);
        return super.dispatchKeyEvent(event);
    }

    // Pass any events not handled by (unfocused) views straight to UnityPlayer
    @Override public boolean onKeyUp(int keyCode, KeyEvent event)     { return mUnityPlayer.injectEvent(event); }
    @Override public boolean onKeyDown(int keyCode, KeyEvent event)   { return mUnityPlayer.injectEvent(event); }
    @Override public boolean onTouchEvent(MotionEvent event)          { return mUnityPlayer.injectEvent(event); }
    /*API12*/ public boolean onGenericMotionEvent(MotionEvent event)  { return mUnityPlayer.injectEvent(event); }

}

SubActivity.kt 소스입니다

package com.unity3d.player

import android.app.Activity

import android.content.Context

import android.text.Editable

import android.text.TextWatcher

import android.view.LayoutInflater

import android.view.View

import android.view.inputmethod.InputMethodManager

import android.widget.*

import com.unity3d.player.UnityPlayer

class  SubActivity{

    companion object {

        lateinit var mContext : Activity

        lateinit var fl : FrameLayout

        lateinit var imm : InputMethodManager

        @JvmStatic fun SubFun(_mContext : Activity, activity_sub_id : Int, send_et_id : Int, send_btn_id : Int) {

            mContext = _mContext

            imm = mContext.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager

            // activity_sub.xml 뷰 추가, 이후에 mContext.뷰를 가져올 수 있음

            val inflater = mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater

            fl = inflater.inflate(activity_sub_id, null) as FrameLayout

            val paramll = FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT)

            mContext.addContentView(fl, paramll)

            val send_et_view = mContext.findViewById<EditText>(send_et_id)

            val send_btn_view = mContext.findViewById<Button>(send_btn_id)

            // 에딧텍스트 글자가 있으면 보내기 활성화

            send_et_view.addTextChangedListener(object : TextWatcher{

                override fun afterTextChanged(p0: Editable?) {}

                override fun beforeTextChanged(p0: CharSequence?, p1: Int, p2: Int, p3: Int) {}

                override fun onTextChanged(p0: CharSequence?, p1: Int, p2: Int, p3: Int) {

                    if(p0?.trim().toString() != "") send_btn_view.visibility = View.VISIBLE

                    else send_btn_view.visibility = View.GONE

                }

            })

            send_btn_view.setOnClickListener{

                // 호출할 게임오브젝트 이름, 함수명, 매개변수 하나

                UnityPlayer.UnitySendMessage("ChatManager", "ReceiveMessage", send_et_view.text.toString())

                send_et_view.setText("")

            }

            LayoutVisible(false)

        }

        @JvmStatic fun LayoutVisible(isVisible : Boolean) {

            mContext.runOnUiThread{

                if(isVisible) fl.visibility = View.VISIBLE

                else

                {

                    fl.visibility = View.GONE

                    imm.hideSoftInputFromWindow(mContext.window.currentFocus?.windowToken, 0)

                }

            }

        }

    }

}

activity_sub.xml 소스입니다

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#00FF0000"
    >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:weightSum="1"
        android:layout_gravity="bottom"
        >

        <EditText
            android:id="@+id/send_et"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:textSize="20sp"
            android:text=""
            android:padding="7dp"
            android:background="#fff"
            />

        <Button
            android:id="@+id/send_btn"
            android:layout_width="50dp"
            android:layout_height="match_parent"
            android:drawableBottom="@drawable/ic_send_black_32dp"
            android:paddingBottom="4dp"
            android:background="#FFD500"
            android:visibility="gone"
            />

    </LinearLayout>

</FrameLayout>










ic_send_black_32dp.xml 소스입니다


<vector android:height="32dp" android:viewportHeight="24.0"
    android:viewportWidth="24.0" android:width="32dp" xmlns:android="http://schemas.android.com/apk/res/android">
    <path android:fillColor="#FF000000" android:pathData="M2.01,21L23,12 2.01,3 2,10l15,2 -15,2z"/>

</vector>