私はフレックスに非常に慣れていないので、何が起こっているのかわかりません（笑）。xml ファイルから大規模なデータベースを作成したいのですが、データベースにレコードを挿入している間、すべてが完了するまでアプリがフリーズします。データベースを作成するAS3ファイルと、ボタンを押してデータベースを作成する実際のビューにビジーインジケーターがあります。これを行うと、コードはビジー インジケーターを表示せずに実行されます。
ビジー インジケータは実際の AS3 ファイルにあるはずだと考えていましたが、どうすればよいかわかりません。誰かが正しい方向を指すのを助けることができますか? ありがとうございました。
enter code here
<fx:Script>
<![CDATA[
import skins.BusyPopUpSkin;
import spark.components.SkinnablePopUpContainer;
private var mPopUp:SkinnablePopUpContainer;
import model.DBcreateDAO;
protected function button1_clickHandler(event:MouseEvent):void
{
// if busy, return
if (mPopUp)
return;
createPopUp();
startOperation();
}
private function createPopUp():void
{
// create the SkinnablePopUpContainer
mPopUp = new SkinnablePopUpContainer();
// set the styles
mPopUp.setStyle("skinClass", BusyPopUpSkin);
mPopUp.setStyle("backgroundColor", 0x000000);
mPopUp.setStyle("backgroundAlpha", 0.3);
layoutPopUp();
// call PopUpManger to open and add
mPopUp.open(this);
positionPopUp();
}
private function layoutPopUp():void
{
// match the popups width, height to the View
mPopUp.width = width;
mPopUp.height = height;
}
private function positionPopUp():void
{
// use the View x, y coords
var point:Point = new Point(x, y);
// convert the View x,y to global so this can be laid out in nested Views
point = parent.localToGlobal(point);
// set the popup's global x,y coords
mPopUp.x = point.x;
mPopUp.y = point.y;
}
private function startOperation():void
{
trace("The busy indicator should be running while the database is being created.");
load(); //function for the actionscript file to make database
}
private function endOperation():void
{
mPopUp.close();
mPopUp = null;
}
private function load():void {
data = srv.create(); //where my function is to create my database in DBcreateDAO.as
}
]]>
</fx:Script>
----私のDBの作成方法を追加----
enter code hereprivate var _sqlConnection:SQLConnection;
public function get sqlConnection():SQLConnection
{
if (_sqlConnection)
return _sqlConnection;
openDatabase(File.documentsDirectory.resolvePath("SongListA.db"));
return _sqlConnection;
}
public function loadDB():Song {
var sql:String = "SELECT id, number, title, artist, item, product FROM song";
var stmt:SQLStatement = new SQLStatement();
stmt.sqlConnection = sqlConnection;
stmt.text = sql;
stmt.execute();
var result:Array = stmt.getResult().data;
if (result && result.length == 1)
return processRow(result[0]);
else
return null;
}
public function create(song:Song):void
{
trace(song.title);
var sql:String =
"INSERT INTO song (id, number, title, artist, item, product) " +
"VALUES (?,?,?,?,?,?)";
var stmt:SQLStatement = new SQLStatement();
stmt.sqlConnection = sqlConnection;
stmt.text = sql;
stmt.parameters[0] = song.id;
stmt.parameters[1] = song.number;
stmt.parameters[2] = song.title;
stmt.parameters[3] = song.artist;
stmt.parameters[4] = song.item;
stmt.parameters[5] = song.product;
stmt.execute();
song.loaded = true;
}
protected function processRow(o:Object):Song
{
var song:Song = new Song();
song.id = o.id;
song.number = o.number == null ? "" : o.number;
song.title = o.title == null ? "" : o.title;
song.artist = o.artist == null ? "" : o.artist;
song.item = o.item == null ? "" : o.item;
song.product = o.product == null ? "" : o.product;
song.loaded = true;
return song;
}
public function openDatabase(file:File):void
{
var newDB:Boolean = true;
if (file.exists)
newDB = false;
_sqlConnection = new SQLConnection();
_sqlConnection.open(file);
if (newDB)
{
startOperation();
createDatabase();
populateDatabase();
}
}
protected function createDatabase():void
{
trace("Creating the database");
var sql:String =
"CREATE TABLE IF NOT EXISTS song ( "+
"id INTEGER PRIMARY KEY AUTOINCREMENT, " +
"number TEXT, " +
"title VTEXT, " +
"artist TEXT, " +
"item TEXT, " +
"product TEXT) ";
var stmt:SQLStatement = new SQLStatement();
stmt.sqlConnection = sqlConnection;
stmt.text = sql;
stmt.execute();
}
protected function populateDatabase(event:Event):void
{
this.addElement(busyIndicator);
var file:File = File.applicationDirectory.resolvePath("SongListFile.xml");
var stream:FileStream = new FileStream();
stream.open(file, FileMode.READ);
var xml:XML = XML(stream.readUTFBytes(stream.bytesAvailable));
stream.close();
for each (var emp:XML in xml.song)
{
var song:Song = new Song();
song.id = emp.id;
song.number = emp.number;
song.title = emp.title;
song.artist = emp.artist;
song.item = emp.item;
song.product = emp.product;
create(song);
}
}