HelloAndroid

Hello Android

代码

1button.setOnClickListener {
2            val alertDialog = AlertDialog.Builder(this)
3            alertDialog.setTitle("提示")
4            alertDialog.setIcon(R.mipmap.ic_launcher)
5            val message = alertDialog.setMessage("HelloWorld")
6            alertDialog.setPositiveButton("确定"
7                    /**
8                     * 确定操作
9                     */
10            ) { paramAnonymousDialogInterface, paramAnonymousInt -> }
11            alertDialog.setNegativeButton("取消"
12                    /**
13                     * 取消操作
14                     */
15            ) { paramAnonymousDialogInterface, paramAnonymousInt -> }
16
17            /***
18             * 设置点击返回键不会消失
19             * */
20            alertDialog.setCancelable(false).create()
21
22            alertDialog.show()
23
24            val intent = Intent()
25            intent.action = Intent.ACTION_CALL
26            intent.data = Uri.parse("tel://119")
27            startActivity(intent)
28        }

###备注

//创建对象

val alertDialog = AlertDialog.Builder(this)

//设置对话框标题

alertDialog.setTitle("标题")

//设置图标

alertDialog.setIcon(R.mipmap.ic_launcher)

//设置内容

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

//设置点击返回键对话框不消失

alertDialog.setCancelable(false).create()

//显示对话框

alertDialog.show()

控件id.setOnClickListener{

​ ///事件内容

}

对话框对象AlertDialog

对话框引用android.support.v7.app.AlertDialog