Kotlin中自定义dialog

效果

dialog样式

dialog 背景 common_dialog_bg

dialog布局 base_common_dialog_layout

全局工具类 CommonDialog（建造者模式）

import android.app.Activity
import android.app.Dialog
import android.content.Context
import android.content.DialogInterface
import android.text.TextUtils
import android.view.*
import android.widget.TextView
import com.beans.base.R

/**
 * @Author yangtianfu
 * @CreateTime 2020/4/7 11:16
 * @Describe 通用弹窗
 */

class CommonDialog(context: Context?, themeResId: Int) : Dialog(context!!, themeResId) {
    class Builder (private val context: Context) {
        private var title: String? = null
        private var message: String? = null
        private var positiveButtonContent: String? = null
        private var negativeButtonContent: String? = null
        private var positiveButtonListener: DialogInterface.OnClickListener? = null
        private var negativeButtonListener: DialogInterface.OnClickListener? = null
        private var contentView: View? = null
        private var color: Int = 0
        private var withOffSize: Float = 0.toFloat()
        private var heightOffSize: Float = 0.toFloat()


        fun setTitle(title: String): Builder {
            this.title = title
            return this
        }


        fun setTitle(title: Int): Builder {
            this.title = context.getText(title) as String
            return this
        }

        fun setMessage(message: String): Builder {
            this.message = message
            return this
        }

        fun setMessageColor(color: Int): Builder {
            this.color = color
            return this
        }


        fun setPositiveButton(text: String, listener: DialogInterface.OnClickListener): Builder {
            this.positiveButtonContent = text
            this.positiveButtonListener = listener
            return this
        }

        fun setPositiveButton(textId: Int, listener: DialogInterface.OnClickListener): Builder {
            this.positiveButtonContent = context.getText(textId) as String
            this.positiveButtonListener = listener
            return this
        }

        fun setNegativeButton(text: String, listener: DialogInterface.OnClickListener): Builder {
            this.negativeButtonContent = text
            this.negativeButtonListener = listener
            return this
        }

        fun setNegativeButton(textId: Int, listener: DialogInterface.OnClickListener): Builder {
            this.negativeButtonContent = context.getText(textId) as String
            this.negativeButtonListener = listener
            return this
        }

        fun setContentView(v: View): Builder {
            this.contentView = v
            return this
        }

        fun setWith(v: Float): Builder {
            this.withOffSize = v
            return this
        }

        fun setContentView(v: Float): Builder {
            this.heightOffSize = v
            return this
        }

        fun create(): CommonDialog {
            /**
             * 初始化Dialog
             */
            val dialog = CommonDialog(context,
                R.style.custom_dialog2)
            /**
             * 初始化Dialog的布局页面
             */
            val inflater = context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
            val dialogLayoutView = inflater.inflate(R.layout.base_common_dialog_layout,
                null)
            dialog.addContentView(dialogLayoutView, ViewGroup.LayoutParams(
                ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT))

            if (!TextUtils.isEmpty(title)) {
                (dialogLayoutView.findViewById(R.id.tv_dialog_title) as TextView).text = title
            }

            if (color != 0) {
                val viewById = dialogLayoutView.findViewById(R.id.tv_dialog_title) as TextView
                viewById.setTextColor(color)
            }

            if (!TextUtils.isEmpty(message)) {
                (dialogLayoutView.findViewById(R.id.tv_dialog_title) as TextView).text = message
            }

            if (!TextUtils.isEmpty(positiveButtonContent)) {
                (dialogLayoutView.findViewById(R.id.tv_dialog_pos) as TextView).text = positiveButtonContent
                if (positiveButtonListener != null) {
                    (dialog.findViewById(R.id.tv_dialog_pos) as TextView)
                        .setOnClickListener { positiveButtonListener!!.onClick(dialog, -1) }

                }
            } else {
                (dialogLayoutView.findViewById(R.id.tv_dialog_pos) as TextView).visibility = View.GONE
                dialogLayoutView.findViewById(R.id.line).visibility = View.GONE
            }

            if (!TextUtils.isEmpty(negativeButtonContent)) {
                (dialogLayoutView.findViewById(R.id.tv_dialog_neg) as TextView).text = negativeButtonContent
                if (negativeButtonListener != null) {
                    (dialogLayoutView
                        .findViewById(R.id.tv_dialog_neg) as TextView)
                        .setOnClickListener { negativeButtonListener!!.onClick(dialog, -2) }
                }
            } else {
                (dialogLayoutView.findViewById(R.id.tv_dialog_neg) as TextView).visibility = View.GONE
            }
            /**
             * 将初始化完整的布局添加到dialog中
             */
            dialog.setContentView(dialogLayoutView)
            /**
             * 禁止点击Dialog以外的区域时Dialog消失
             */
            dialog.setCanceledOnTouchOutside(false)


            val window = dialog.window
            val context = this.context as Activity
            val windowManager = context.windowManager

            val defaultDisplay = windowManager.defaultDisplay

            val attributes = window!!.attributes

            if (withOffSize.toDouble() != 0.0) {

                attributes.width = (defaultDisplay.width * withOffSize).toInt()
            } else {
                attributes.width = (defaultDisplay.width * 0.77).toInt()

            }
            if (heightOffSize.toDouble() != 0.0) {

                attributes.height = (defaultDisplay.height * heightOffSize).toInt()
            }
            window.attributes = attributes
            return dialog
        }
    }
}

使用

                CommonDialog.Builder(this)
                                .setMessage("推荐导入体验！")
                                .setNegativeButton("导入应用打开",DialogInterface.OnClickListener{
                                    p0,p1 -> p0.dismiss()
                                })
                                .setMessageColor(Color.BLACK)
                                .setPositiveButton("直接打开",DialogInterface.OnClickListener({ dialog, which ->  dialog.dismiss()}))
                                .setWith(0.8f)
                                .create()
                                .show()