OnlineFontTest.kt

package language.chat.meet.talk.widget.messages

import android.content.Context
import android.support.text.emoji.EmojiCompat
import android.support.text.emoji.FontRequestEmojiCompatConfig
import android.support.text.emoji.bundled.BundledEmojiCompatConfig
import android.support.v7.widget.GridLayoutManager
import android.text.Editable
import android.text.TextWatcher
import android.util.AttributeSet
import android.view.View
import android.widget.*
import kotlinx.android.synthetic.main.view_message_input.view.*
import language.chat.meet.talk.R
import com.speaky.common.base.BaseRecyclerViewAdapter
import com.speaky.common.utils.Lg
import com.speaky.common.im.model.Emoji
import language.chat.meet.talk.ui.chat.adapter.EmojiListAdapter
import android.support.v4.provider.FontRequest


/**
 * Created by zhangyang on 2017/11/24.
 */
class MessageInput:LinearLayout, View.OnClickListener,TextWatcher{

    private var mMessageInput: EditText? = null
    private var mBtnSend : ImageView? = null
    private var mBtnTranlate : ImageView? = null

    private var inputListener: InputListener? = null

    private var emojiList:ArrayList<Emoji>? = null

    private var input: CharSequence = ""

    constructor(context: Context) : this(context, null)

    constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, 0)

    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr) {
        init(context,attrs)
    }

    private fun init(context: Context,attrs: AttributeSet?){


        val fontRequest = FontRequest(
                "com.google.android.gms.fonts",
                "com.google.android.gms",
                "Noto Color Emoji Compat",
                language.chat.meet.talk.R.array.com_google_android_gms_fonts_certs)

        EmojiCompat.init(FontRequestEmojiCompatConfig(context.applicationContext,fontRequest))
//        EmojiCompat.init(FontRequestEmojiCompatConfig(context.applicationContext,fontRequest))
        createEmojoList()
        initView(context)
    }

    private fun initView(context: Context){
        View.inflate(context, R.layout.view_message_input,this)

        mMessageInput = findViewById(R.id.messageInput)
        mBtnSend = findViewById(R.id.messageSendButton)
        mBtnTranlate = findViewById(R.id.messageTransButton)

        mMessageInput!!.addTextChangedListener(this)
        mBtnSend!!.setOnClickListener(this)
        mBtnTranlate!!.setOnClickListener(this)

        val emojiAdapter = EmojiListAdapter(context, emojiList!!)
        rvEmoji.adapter = emojiAdapter
        rvEmoji.layoutManager = GridLayoutManager(context,9)
        emojiAdapter.setItemClickListener(object: BaseRecyclerViewAdapter.OnItemClickListener{

            override fun onItemClick(view: View?, position: Int) {
                Lg.d("Emoji Adapter onItemClick: $position" )
                val emoji = emojiList?.get(position)
                appendEmoji(emoji!!.unicode)
            }
        })
    }

    private fun createEmojoList(){
        emojiList  = ArrayList()
        emojiList!!.add(Emoji("大拇哥","\uD83D\uDC4D"))
        emojiList!!.add(Emoji("色","\uD83D\uDE0D"))
        emojiList!!.add(Emoji("大哭","\uD83D\uDE2D"))
        emojiList!!.add(Emoji("红心","\u2764\ufe0f"))
        emojiList!!.add(Emoji("亲亲红心","\uD83D\uDE18"))
        emojiList!!.add(Emoji("玫瑰","\uD83C\uDF39"))
        emojiList!!.add(Emoji("鼓掌","\uD83D\uDC4F"))
        emojiList!!.add(Emoji("合掌感恩","\uD83D\uDE4F"))
        emojiList!!.add(Emoji("露齿笑","\uD83D\uDE01"))

        emojiList!!.add(Emoji("尴尬流汗","\uD83D\uDE05"))
        emojiList!!.add(Emoji("俏皮","\uD83D\uDE09"))
        emojiList!!.add(Emoji("戴墨镜酷酷的","\uD83D\uDE0E"))
        emojiList!!.add(Emoji("可爱小手","\uD83E\uDD17"))
        emojiList!!.add(Emoji("思考","\uD83E\uDD14"))
//        emojiList!!.add(Emoji("竖眉毛","\uD83E\uDD28"))
        emojiList!!.add(Emoji("Sleep","\uD83D\uDE34"))
        emojiList!!.add(Emoji("白眼","\uD83D\uDE44"))
        emojiList!!.add(Emoji("拉链嘴","\uD83E\uDD10"))
        emojiList!!.add(Emoji("吃惊","\uD83D\uDE2F"))

        emojiList!!.add(Emoji("睡觉，鼻涕泡","\uD83D\uDE2A"))
        emojiList!!.add(Emoji("睡觉，打呼噜","\uD83D\uDE34"))
        emojiList!!.add(Emoji("吐舌头","\uD83D\uDE1B"))
        emojiList!!.add(Emoji("伤心，半圆嘴","\uD83D\uDE26"))
        emojiList!!.add(Emoji("吃惊，吓死了","\uD83D\uDE31"))
        emojiList!!.add(Emoji("么么哒","\uD83D\uDE17"))
        emojiList!!.add(Emoji("晕了","\uD83D\uDE35"))
        emojiList!!.add(Emoji("骂人","\uD83E\uDD2C"))
        emojiList!!.add(Emoji("吐舌头","\uD83D\uDE1B"))

        emojiList!!.add(Emoji("头戴光环","\uD83D\uDE07"))
        emojiList!!.add(Emoji("OK","\uD83D\uDC4C"))
        emojiList!!.add(Emoji("红唇","\uD83D\uDC8B"))
        emojiList!!.add(Emoji("钱眼儿","\uD83E\uDD11"))
        emojiList!!.add(Emoji("气死老娘了","\uD83D\uDE24"))
        emojiList!!.add(Emoji("爆炸","\uD83D\uDCA5"))
        emojiList!!.add(Emoji("爱的手语","\uD83E\uDD1F"))
        emojiList!!.add(Emoji("yeah","\u270c\ufe0f"))
        emojiList!!.add(Emoji("恶魔","\uD83D\uDE08"))
    }

    fun setOnFocusListener(listener: OnFocusChangeListener?): MessageInput{
        mMessageInput!!.onFocusChangeListener = listener
        return this
    }

    fun appendEmoji(unicode: String){
        mMessageInput?.let {
            it.append(unicode)
        }
    }

    /**
     * Sets callback for 'submit' button.
     *
     * @param inputListener input callback
     */
    fun setInputListener(inputListener: InputListener) {
        this.inputListener = inputListener
    }

    override fun afterTextChanged(s: Editable?) {
        Lg.d("xxnjdlys","afterTextChanged")
    }

    override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {
        Lg.d("xxnjdlys","beforeTextChanged")
    }

    override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
        input = s?:""
        mBtnSend!!.setEnabled(input!!.length > 0)
    }

    fun clearText(){
        mMessageInput!!.setText("")
    }

    override fun onClick(v: View?) {
        val id = v!!.id
        if (id == R.id.messageSendButton) {
            val isSubmitted = onSubmit()
            if (isSubmitted) {
                mMessageInput!!.setText("")
            }
        }
        if (id == R.id.messageTransButton) {
            onTranslate()
        }
    }

    private fun onSubmit(): Boolean {
        return inputListener != null && inputListener!!.onSubmit(input)
    }

    private fun onTranslate() {
        inputListener?.onTranslate(input)
    }

    /**
     * Interface definition for a callback to be invoked when user pressed 'submit' button
     */
    interface InputListener {

        /**
         * Fires when user presses 'send' button.
         *
         * @param input input entered by user
         * @return if input text is valid, you must return `true` and input will be cleared, otherwise return false.
         */
        fun onSubmit(input: CharSequence): Boolean

        fun onTranslate(input: CharSequence)
    }
}