短视频app源码，提示以按钮弹窗的形式实现

短视频app源码，提示以按钮弹窗的形式实现的相关代码

package com.example.jetpackcompose<br> <br>import android.os.Bundle<br>import androidx.activity.ComponentActivity<br>import androidx.activity.compose.setContent<br>import androidx.compose.material.*<br>import androidx.compose.runtime.Composable<br>import androidx.compose.runtime.MutableState<br>import androidx.compose.runtime.mutableStateOf<br>import androidx.compose.runtime.remember<br>import com.example.jetpackcompose.ui.theme.JetpackComposeTheme<br> <br>class MainActivity : ComponentActivity() {<br>    private lateinit var openDialog: MutableState<Boolean><br>    override fun onCreate(savedInstanceState: Bundle?) {<br>        super.onCreate(savedInstanceState)<br>        setContent {<br>            JetpackComposeTheme {<br>                Surface(color = MaterialTheme.colors.background) {<br>                    openDialog = remember {<br>                        mutableStateOf(false)<br>                    }<br>                    addAlterDialog(openDialog = openDialog)<br>                    addButton(openDialog = openDialog)<br> <br>                }<br>            }<br>        }<br>    }<br>}<br> <br>@Composable<br>fun addButton(openDialog: MutableState<Boolean>) {<br>    Button(onClick = { openDialog.value = true }) {<br>        Text(text = "点击弹窗")<br>    }<br>}<br> <br>@Composable<br>fun addAlterDialog(openDialog: MutableState<Boolean>) {<br>    if (openDialog.value) {<br>        AlertDialog(<br>            onDismissRequest = { openDialog.value = false },<br>            title = { Text(text = "标题") },<br>            text = {<br>                Text(<br>                    text = "文本内容"<br>                )<br>            }, confirmButton = {<br>                TextButton(onClick = { openDialog.value = false }) {<br>                    Text(text = "确认")<br>                }<br>            }, dismissButton = {<br>                TextButton(onClick = { openDialog.value = false }) {<br>                    Text(text = "取消")<br>                }<br>            })<br>    }<br>}