移动应用
5949
Hello Android
代码
button.setOnClickListener { val alertDialog = AlertDialog.Builder(this) alertDialog.setTitle("提示") alertDialog.setIcon(R.mipmap.ic_launcher) val message = alertDialog.setMessage("HelloWorld") alertDialog.setPositiveButton("确定" /** * 确定操作 */ ) { paramAnonymousDialogInterface, paramAnonymousInt -> } alertDialog.setNegativeButton("取消" /** * 取消操作 */ ) { paramAnonymousDialogInterface, paramAnonymousInt -> } /*** * 设置点击返回键不会消失 * */ alertDialog.setCancelable(false).create() alertDialog.show() val intent = Intent() intent.action = Intent.ACTION_CALL intent.data = Uri.parse("tel://119") startActivity(intent) }
###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