first picture
Look at the code again
package com.xiayiye5.composefirst.components
import android.widget.Toast
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.material.AlertDialog
import androidx.compose.material.Button
import androidx.compose.material.Divider
import androidx.compose.material.Text
import androidx.compose.runtime.*
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.window.DialogProperties
/*
* Copyright (c) 2022, [email protected] All Rights Reserved.
* # #
* # _oo0oo_ #
* # o8888888o #
* # 88" . "88 #
* # (| -_- |) #
* # 0\ = /0 #
* # ___/`---'\___ #
* # .' \\| |# '. #
* # / \\||| : |||# \ #
* # / _||||| -:- |||||- \ #
* # | | \\\ - #/ | | #
* # | \_| ''\---/'' |_/ | #
* # \ .-\__ '-' ___/-. / #
* # ___'. .' /--.--\ `. .'___ #
* # ."" '< `.___\_<|>_/___.' >' "". #
* # | | : `- \`.;`\ _ /`;.`/ - ` : | | #
* # \ \ `_. \_ __\ /__ _/ .-` / / #
* # =====`-.____`.___ \_____/___.-`___.-'===== #
* # `=---=' #
* # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
* # #
* # 佛祖保佑 永无BUG #
* # #
*/
/**
* @author 下一页5(轻飞扬)
* 创建时间:2022/5/10 21:14
* 个人小站:http://yhsh.wap.ai(已挂)
* 最新小站:http://www.iyhsh.icoc.in
* 联系作者:企鹅 13343401268
* 博客地址:http://blog.csdn.net/xiayiye5
* 项目名称:ComposeFirst
* 文件包名:com.xiayiye5.composefirst.components
* 文件说明:AlertDialog弹框的基本用法-系统内置的弹窗
*/
@Composable
fun AlertDialogSamples() {
var show by remember {
mutableStateOf(false)
}
val app = LocalContext.current.applicationContext
Divider(thickness = 1.dp, color = Color.Red)
Column(Modifier.fillMaxWidth()) {
Button(onClick = { show = true }, modifier = Modifier.fillMaxWidth()) {
Text(text = "点击弹窗")
}
if (show) {
AlertDialog(onDismissRequest = { show = false }, confirmButton = {
Button(onClick = {
show = false
Toast.makeText(app, "点击了确认", Toast.LENGTH_SHORT).show()
}) {
Text(text = "确认")
}
},
//点击外面不消失弹框
properties = DialogProperties(dismissOnClickOutside = false),
dismissButton = {
Button(onClick = {
show = false
Toast.makeText(app, "点击了取消", Toast.LENGTH_SHORT).show()
}) {
Text(text = "取消")
}
}, text = {
Text(text = "是否确认删除?")
}, title = {
Text(text = "警告:删除操作")
}
)
}
}
}
@Preview
@Composable
fun AlertDialogSamplesPreview() {
AlertDialogSamples()
}