project

project.json

{
  "name": "协程UI示例",
  "main": "main.js",
  "ignore": [
    "build"
  ],
  "packageName": "com.example.cont.ui",
  "versionName": "1.0.0",
  "versionCode": 1,
  "useFeatures": ["continuation"]
}

main.js

"ui";

ui.layout(
    <frame bg="#4fc3f7">
        <text textColor="white" textSize="18sp" layout_gravity="center">
            UI中使用协程
        </text>
    </frame>
);

continuation.delay(5000);
if (!requestScreenCapture()) {
    dialogs.alert("请授予软件截图权限").await();
}


// 退出应用对话框
ui.emitter.on("back_pressed", function(e) {
    e.consumed = true;
    let exit = dialogs.confirm("确定要退出程序").await();
    if (exit) {
        ui.finish();
    }
});