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我是黑莓開發的新手。我正在嘗試申請一個名稱和三個複選框結果(即盒子是否已被選中)。我創建了一個屏幕。但我無法將數據保存在數據庫中,我想到了使用SQLite。在BlackBerry中使用SQLite
請幫助我,告訴我如何繼續,我有一個困惑,我會在哪裏編寫數據庫編碼,即在主屏幕類或我必須創建另一個單獨的類。
這是主屏幕編碼。
package medicine;
import net.rim.device.api.ui.container.MainScreen;
import net.rim.device.api.ui.component.EditField;
import net.rim.device.api.ui.component.SeparatorField;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.component.CheckboxField;
import net.rim.device.api.ui.component.ButtonField;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.UiApplication;
public class EnterSuccessScreen extends MainScreen implements FieldChangeListener{
EditField nameField;
CheckboxField medicineCheckbox1;
CheckboxField medicineCheckbox2;
CheckboxField medicineCheckbox3;
ButtonField submitButton;
public EnterSuccessScreen(){
add(new LabelField("Please enter your details:"));
add(new SeparatorField());
nameField = new EditField("Medicine Name:", "");
add(nameField);
add(new SeparatorField());
add(new SeparatorField());
add(new LabelField("Time To Take the Medicine:"));
medicineCheckbox1 = new CheckboxField(" 9 a.m.", false,Field.FIELD_LEFT);
add(medicineCheckbox1);
medicineCheckbox2 = new CheckboxField(" 12 p.m.", false,Field.FIELD_LEFT);
add(medicineCheckbox2);
medicineCheckbox3 = new CheckboxField(" 3 p.m.", false,Field.FIELD_LEFT);
add(medicineCheckbox3);
add(new SeparatorField());
submitButton = new ButtonField("Submit", ButtonField.CONSUME_CLICK);
add(submitButton);
submitButton.setChangeListener(this);
}
public void fieldChanged(Field field, int context){
if (field == submitButton) {
submit();
}
else{}
}
private void submit(){
SubmitSuccessScreen submitSuccessScreen = new SubmitSuccessScreen();
UiApplication.getUiApplication().pushScreen(submitSuccessScreen);
}
}