jeezy | JavaScript library for manipulating data | Runtime Evironment library
kandi X-RAY | jeezy Summary
kandi X-RAY | jeezy Summary
jeezy is a JavaScript library for manipulating data. It provides lots of useful functions and has no dependencies, so it won't add a lot of code to your project.
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Top functions reviewed by kandi - BETA
- Converts a data property to an array .
- small function
- Convert a string to titlecase
- Create a mapper case case
- splits a string into two parts
- Calculates correlation matrix of data .
- Sort array by attribute
- Splits a string after the last character
- Splits a string after the first character in the string
- Merge two arrays
jeezy Key Features
jeezy Examples and Code Snippets
Community Discussions
Trending Discussions on jeezy
QUESTION
I think I bit off a little more than I can chew. I'm creating a dummy music player and I wanted to add a button that a user can add a Song() object to the ArrayList. The problem is I add the Song objects to the Array in the onCreate() method. I have a button that inflates a PopUpView and in that view I have another button that takes the getText() from the Edit Fields and adds an item to the ArrayList, when the 'done' button is tapped the PopUPView is dismissed and the new Song() appears in the song list, but when I go back to the main menu and then go back to the song list the new Object that the user adds is no longer there.
...ANSWER
Answered 2021-Jan-20 at 20:03The problem in your code: the songs list is a property of AllSongsActivity. If you close AllSongsActivity - all data from the activity and the songs list will simply disappear!
The simple, but not correct way to save a new song use static modifier for the songs:
static ArrayList songs = new ArrayList() {{ add(new Song("Fever", "Dua Lipa", "POP", true)); add(new Song("Lonely", "Justin Bieber", "POP", false)); }};
The correct way - learn how to store data in a database: https://developer.android.com/training/data-storage/room
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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