kotlin使用建造者模式自定义对话框

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 imageid: Int = 0    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 setImageHeader(Imageid: Int): Builder {       this.imageid = Imageid      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 {      /**       * 利用我们刚才自定义的样式初始化Dialog       */      val dialog = CommonDialog(context,          R.style.dialogStyle)      /**       * 下面就初始化Dialog的布局页面       */      val inflater = context          .getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater      val dialogLayoutView = inflater.inflate(R.layout.dialog_layout,          null)      dialog.addContentView(dialogLayoutView, ViewGroup.LayoutParams(          ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT))       if (imageid != 0) {        (dialogLayoutView.findViewById<View>(R.id.iv_image_header) as ImageView)            .setImageResource(imageid)      } else {        (dialogLayoutView.findViewById<View>(R.id.iv_image_header) as ImageView).visibility = View.GONE      }       if (!TextUtils.isEmpty(title)) {        (dialogLayoutView.findViewById<View>(R.id.tv_dialog_title) as TextView).text = title      } else {        // Log.w(context.getClass().toString(), "未设置对话框标题！");      }       if (color != 0) {        val viewById = dialogLayoutView.findViewById<View>(R.id.dialog_content) as TextView        viewById.setTextColor(color)      }       if (!TextUtils.isEmpty(message)) {        (dialogLayoutView.findViewById<View>(R.id.dialog_content) as TextView).text = message      } else if (contentView != null) {        (dialogLayoutView            .findViewById<View>(R.id.dialog_llyout_content) as LinearLayout)            .removeAllViews()        (dialogLayoutView            .findViewById<View>(R.id.dialog_llyout_content) as LinearLayout).addView(            contentView, ViewGroup.LayoutParams(            ViewGroup.LayoutParams.WRAP_CONTENT,            ViewGroup.LayoutParams.WRAP_CONTENT))      } else {        (dialogLayoutView.findViewById<View>(R.id.dialog_content) as TextView).visibility = View.INVISIBLE      }       if (!TextUtils.isEmpty(positiveButtonContent)) {        (dialogLayoutView.findViewById<View>(R.id.tv_dialog_pos) as TextView).text = positiveButtonContent        if (positiveButtonListener != null) {          (dialog.findViewById<View>(R.id.tv_dialog_pos) as TextView)              .setOnClickListener { positiveButtonListener!!.onClick(dialog, -1) }         }      } else {        (dialogLayoutView.findViewById<View>(R.id.tv_dialog_pos) as TextView).visibility = View.GONE        dialogLayoutView.findViewById<View>(R.id.line).visibility = View.GONE      }       if (!TextUtils.isEmpty(negativeButtonContent)) {        (dialogLayoutView.findViewById<View>(R.id.tv_dialog_neg) as TextView).text = negativeButtonContent        if (negativeButtonListener != null) {          (dialogLayoutView              .findViewById<View>(R.id.tv_dialog_neg) as TextView)              .setOnClickListener { negativeButtonListener!!.onClick(dialog, -2) }        }      } else {        (dialogLayoutView.findViewById<View>(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    }  }

CommonDialog.Builder(this).        setImageHeader(R.mipmap.icon_gantan_tankuang)        .setTitle("你是否要注销账户")        .setMessage("注销后需重新注册才能使用牛返返优惠")        .setPositiveButton("确定注销", DialogInterface.OnClickListener { p0, p1 ->          p0?.dismiss()          DestroyAccount()        })        .setNegativeButton("取消", DialogInterface.OnClickListener { p0, p1 -> p0?.dismiss() })        .setWith(0.77f)        .create()        .show()