Ghiyats Hanif - Android Templates

Android Templates

Transcript

1. Speed up your development time with Templates (Code Generators) @ghiyatshanif
2. Why Do We Need Templates?
3. Templates == (not so) ancient magic spells
4. Types of Templates in Android Studio • Live Templates • File Templates • Group of File Templates
5. Live Templates “frequently-used or custom code constructs that you can insert into your source code file quickly, efficiently and accurately.” • Toast - show a toast message • inn - check if not null • fori - create for loop • exfun - create extension function • etc..
7. How To
9. Pros & Cons • • • •
10. File Templates File templates are specifications of the default contents to be generated when creating a new file. Depending on the type of file you are creating, templates provide initial code and formatting that is expected to be in all files of that type (according to industry standards, your corporate policy, or for other reasons). • Creation of type of classes which repeated everywhere (e.g Adapter, Fragment)
11. How To
12. • You can introduce your own variable by placing it like ${your_variable_name}$ • Avoid using variable name as the predefined ones: ◦ ${NAME} ◦ ${PACKAGE_NAME} ◦ ${USER} ◦ etc.
14. Pros & Cons • • •
15. Android File Templates (Group of File Templates) Group of - File templates are specifications of the default contents to be generated when creating a new file. Depending on the type of file you are creating, templates provide initial code and formatting that is expected to be in all files of that type (according to industry standards, your corporate policy, or for other reasons). • Creation of default/blank activity. It generates -> activity class, manifest declaration, activity's layout xml • In the era of MVx feature creation is quite a long journey • Using FreeMarker.org convention
16. Android File Templates Structure
17. Template.xml • Handles Creation of the wizard by defining sets of parameters • Boolean -> CheckBox • String -> Input Text • Enum -> Dropdown
18. Template.xml
19. Recipe.xml.ftl Define how templates will be implemented Instantiate -> It provides bridge between Template files and input content received from templates.xml Merge  -> merges your template code into your project files. Dependency -> add dependencies to the app build.gradle file.
20. Recipe.xml.ftl Define how templates will be implemented copy ->  It copies the contents from template to project folder. open — it opens the files you want to open on the launch after codes are generated from Templates.
21. Recipe.xml.ftl
22. Globals.xml.ftl
23. Root Folder
24. Pros & Cons • • • • • •
25. Demo! @ghiyatshanif
26. How To share templates across teammates • Live Templates & File Templates ◦ are saved in android studio settings, export/import settings file ◦ Set shared settings repository • Android File Templates ◦ Save it in repository ◦ Or manually paste it to Teammates' Android Studio Directory
27. References
28. Thank You! @ghiyatshanif