HelloAndroid

Hello Android

代碼

button.setOnClickListener {
            val alertDialog = AlertDialog.Builder(this)
            alertDialog.setTitle("提示")
            alertDialog.setIcon(R.mipmap.ic_launcher)
            val message = alertDialog.setMessage("HelloWorld")
            alertDialog.setPositiveButton("確定"
                    /**
                     * 確定操作
                     */
            ) { paramAnonymousDialogInterface, paramAnonymousInt -> }
            alertDialog.setNegativeButton("取消"
                    /**
                     * 取消操作
                     */
            ) { paramAnonymousDialogInterface, paramAnonymousInt -> }

            /***
             * 設置點擊返回鍵不會消失
             * */
            alertDialog.setCancelable(false).create()

            alertDialog.show()

            val intent = Intent()
            intent.action = Intent.ACTION_CALL
            intent.data = Uri.parse("tel://119")
            startActivity(intent)
        }

備註

//創建對象

val alertDialog = AlertDialog.Builder(this)

//設置對話框標題

alertDialog.setTitle("標題")

//設置圖標

alertDialog.setIcon(R.mipmap.ic_launcher)

//設置內容

val message = alertDialog.setMessage("Hello Android")

//設置點擊返回鍵對話框不消失

alertDialog.setCancelable(false).create()

//顯示對話框

alertDialog.show()

控制項id.setOnClickListener{

​ ///事件內容

}

對話框對象AlertDialog

對話框引用android.support.v7.app.AlertDialog