About QLAndroid
This app is an Android version of QL, a Domain Specific Language for Questionnaires A DSL for auto-generated interactive questionnaire sheets. Questionnaires are characterized by conditional entry fields and...
This app is an Android version of QL, a Domain Specific Language for Questionnaires
A DSL for auto-generated interactive questionnaire sheets. Questionnaires are characterized by conditional entry fields and (spreadsheet-like) dependency-directed computation. It reads from a text file the content(source code), conducting lexical and syntactic analysis, and auto-generates interactive Android UI Views. The application allows the user to export in PDF format the results of the filled form, and view them via the default PDF Viewer app of the smartphone device. ANTLR java parser and the java programming languages is used for the implementation of this project.
Example
The following example presents a possible textual representation of a simple questionnaire.
form Box1HouseOwning {
hasSoldHouse: “Did you sell a house in 2010?” boolean
hasBoughtHouse: “Did you by a house in 2010?” boolean
hasMaintLoan: “Did you enter a loan for maintenance/reconstruction?” boolean
if (hasSoldHouse) {
sellingPrice: “Price the house was sold for:” money
privateDebt: “Private debts for the sold house:” money
valueResidue: “Value residue:” money(sellingPrice - privateDebt)
}
}
This simple form should generate into a GUI.
Features:
1.QL IDE
-QL Editor
-QL Console
-Utility buttons (run code, clear code and load sample code)
2.Auto-generated interactive questionnaire form
3.Export Utilities
-PDF format
Syntax
QL consists of questions grouped in a top-level form construct. First, each question identified by a name that at the same time represents the result of the question. In other words the name of a question is also the variable that holds the answer. Second, a question has a label that contains the actual question text presented to the user. (Note that technically this is a presentation issue that could be in a separate language for layout and styling, but to make QL standalone we need it here. See below for more on the layout language.) Third, every question has a type. Finally, a question can optionally be associated to an expression: this makes the question computed. A questionnaire consists of a number of questions arranged in sequential and conditional structures, and grouping constructs. Sequential composition prescribes the order of presentation. Conditional structures associate an enabling condition to a question, in which case the question should only be presented to the user if and when the condition becomes true. The expression language used in conditions is the same as the expressions used in computed questions. Grouping does not have any semantics except to associate a single condition to multiple questions at once. For expressions we restrict ourselves to booleans (e.g., && , || and ! ), comparisons (
Previous Versions
Here you can find the changelog of QLAndroid since it was posted on our website on 2016-12-28 02:31:36.
The latest version is 1.2 and it was updated on 2024-03-29 09:28:28. See below the changes in each version.
QLAndroid version 1.2
Updated At: 2013-09-19
Disclaimer
Official Google Play Link
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