A cikin duniyar shirye-shiryen Java, ฦalubale ษaya na gama gari da masu haษakawa ke fuskanta shine yadda ake samun taga a ajin mai sarrafawa. Masu sarrafawa sune ฦashin bayan kowace aikace-aikacen JavaFX yayin da suke sarrafa bayanan aikace-aikacen da kuma ayyukan gaba ษaya. A yau, za mu rufe irin wannan batu kuma mu koyi yadda ake aiwatar da mafita, tattauna tsarin mataki-mataki, nutsewa cikin ษakunan karatu da ayyuka masu alaฦa, da bincika yanayi iri ษaya inda wannan ilimin zai iya taimakawa. Don haka, bari mu fara tafiya zuwa duniyar shirye-shiryen Java da masu sarrafa taga.
Gabatarwa
JavaFX sanannen ษakin karatu ne don ฦirฦirar wadatattun mu'amalar mai amfani da hoto don aikace-aikacen zamani. ฦaya daga cikin fasaloli masu ฦarfi da yawa shine ikon raba dabaru na aikace-aikacen zuwa masu sarrafawa, yana sa lambar ta fi tsari da sauฦi don kiyayewa. Koyaya, wani lokacin mai haษakawa na iya buฦatar yin aiki tare da taga kai tsaye, kuma anan shine ฦalubalen samun taga daga mai sarrafawa. Za mu duba wannan tare da maganin mu wanda yayi amfani da horo aji yayin da ake cin gajiyar sassauฦan JavaFX da haษakawa.
Shigar da Window a cikin Mai Gudanarwa
Tushen maganin yana cikin ajin Stage - ษayan manyan tubalan ginin JavaFX. Mataki yana wakiltar babban taga a cikin aikace-aikacen JavaFX kuma ya ฦunshi yanki na gani don yanayin aikace-aikacen ku. Don samun taga a cikin mai sarrafawa, ya kamata ku wuce bayanin matakin zuwa mai sarrafawa da zarar an ฦirฦira shi.
public class Main extends Application { @Override public void start(Stage primaryStage) throws Exception { FXMLLoader loader = new FXMLLoader(getClass().getResource("MainWindow.fxml")); Parent root = loader.load(); MainWindowController controller = loader.getController(); controller.setWindow(primaryStage); primaryStage.setTitle("Sample Application"); primaryStage.setScene(new Scene(root)); primaryStage.show(); } public static void main(String[] args) { launch(args); } }
Na farko, FXMLLoader yana loda fayil ษin FXML, wanda ke bayyana ฦirar mai amfani na aikace-aikacen. Sa'an nan, amfani da samunController() Hanyar, muna samun nuni zuwa MainWindowController kuma mu wuce matakin farko na mai sarrafawa, yana ba shi damar shiga taga kai tsaye.
Ajin MainWindowController zai yi kama da haka:
public class MainWindowController { private Stage window; public void setWindow(Stage window) { this.window = window; } // Other methods go here }
Yanzu, mai sarrafawa yana da cikakkiyar damar shiga taga kuma yana iya aiwatar da ayyuka daban-daban akansa dangane da buฦatun aikace-aikacen.
Dakunan karatu na JavaFX da Ayyuka
JavaFX babban ษakin karatu ne mai ฦarfi wanda ke ba da fasali da yawa don ฦirฦirar aikace-aikace masu jan hankali, abubuwan gani. Tare da horo aji, yana ba da wasu azuzuwan da yawa da kuma abubuwan haษin gwiwa don ฦirฦirar cikakken UI don aikace-aikacen ku. Wasu daga cikin mahimman abubuwan sun haษa da:
- scene: Akwati don duk abubuwan gani na aikace-aikacen. Kowane Mataki yana da Fage, kuma Gidan Yanar Gizo yana da alhakin sarrafa matakan gani na mai amfani.
- FXMLLoader: Yana loda fayilolin .fxml waษanda ke ayyana mahaษin mai amfani, yana sauฦaฦa tsara tsararrun shimfidu na UI da raba dabaru na UI daga lambar baya.
- kumburi: Node yana wakiltar kowane abu na gani a aikace-aikacen JavaFX, kamar lakabi, maษalli, da shimfidu. Duk abubuwan abubuwan gani a cikin aikace-aikacen sun gaji daga Node.
- Iyaye: ฦararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwararren ฦwaฦwalwa na ฦaฦwalwa na ฦaฦwalwa na ฦaฦwalwa na ฦaฦwalwa na ฦaฦwalwa na ฦaฦwalwa na ฦaฦฦarfan ฦaฦwal ) wanda ke ba da damar ษaya ko fiye da nodes na yara, wanda za a iya tsara shi bisa ga ฦayyadaddun ฦayyadaddun ฦa'idodin iyaye.
Gudanar da Makamantan Al'amurra
Samun taga a cikin mai sarrafawa shine kawai amfani da amfani guda ษaya don aiki tare da ษakunan karatu da ayyuka na JavaFX, amma akwai wasu al'amuran da yawa inda wannan ilimin zai iya taimakawa sosai. Misali:
- Abun Ciki Mai Sauฦi: Fahimtar yadda ake aiki tare da misalin taga zai iya taimakawa ฦirฦirar aikace-aikacen da ke canzawa tsakanin abun ciki daban-daban a cikin taga guda, haษaka ฦwarewar mai amfani.
- Bayyanar Tagan Na Musamman: Samun kai tsaye zuwa taga a cikin mai sarrafawa yana bawa mai haษakawa damar canza kamannin sa dangane da zaษin mai amfani ko buฦatun aikace-aikacen, kamar canza launuka, bayyanannu ko siffa.
- Ikon taga: Yin aiki tare da misalin taga, mai haษakawa na iya ba wa masu amfani ฦarin iko akan taga, kamar haษakawa, rage girman, haษakawa, ko rufe taga da tsari.
A ฦarshe, sanin yadda ake samun taga a cikin mai sarrafawa fasaha ce mai mahimmanci ga masu haษaka JavaFX. Ta hanyar fahimtar yadda ake aiki tare da ajin Stage da makamantansu a cikin JavaFX, masu haษakawa na iya haษaka damar aikace-aikacen su kuma ฦirฦirar mu'amalar masu amfani masu inganci da gogewa.