|Related to : Android reading text file from URL and setting arraylist|
|Android ArrayList: check an element exists of another ArrayList|
To be able to use methods to find and search like contains your custom
class MUST implement correctly the hasCode and equals methods.
Here is the link about the implementing hasCode and here about
implementing equals. It is Java Best Practises website that I like
very much and from where I've learned about it.
|LibGDX: Reading from json file to ArrayList|
Your json file has ArrayList<Tile> stored in it and you are
trying to read it as a Tile.
There are two ways to rectify this.
1) You can encapsulate collection of tiles in another class to
2) Read as ArrayList and convert type later.
ArrayList<JsonValue> list = json.fromJson(ArrayList.class,
|ArrayList turn becomes when an app is resumes after onKill in android|
Yes when you killed your app or finish your activity all the object
created into the heap is cleaned by the garbage collector. so after
killing your app or finish your activity your array list object is not
available into the heap memory. so when u access it it always gives
you null value.
so you need to again initialized array list reference variable. to do
you need to store all the array
|How to set image to ImageView from ArrayList in android?|
Within the array will store the names of the pictures, like
R.drawable.img1 , R.drawable.img2...
Then, use the command:
|how to fill string arraylist with userinput EditText android eclipse|
There's a lot of things you'd need to do to achieve this:
Define the EditText in your layout's XML.
Get a reference to it from the Activity by calling
From that reference, call getText().toString() to get the value from
Add that String to your ArrayList.
That's basically the main idea behind what you're trying to achieve. I
could give you the